diff mbox series

[2/2] drm/tests: Change "igt_" prefix to "drm_"

Message ID 20220830211603.191734-2-mairacanal@riseup.net (mailing list archive)
State New
Headers show
Series [1/2] drm/tests: Split drm_framebuffer_create_test into parameterized tests | expand

Commit Message

Maira Canal Aug. 30, 2022, 9:16 p.m. UTC
With the introduction of KUnit, IGT is no longer the only option to run
the DRM unit tests, as the tests can be run through kunit-tool or on
real hardware with CONFIG_KUNIT.

Therefore, remove the "igt_" prefix from the tests and replace it with
the "drm_" prefix, making the tests' names independent from the tool
used.

Signed-off-by: Maíra Canal <mairacanal@riseup.net>
---
 drivers/gpu/drm/tests/drm_buddy_test.c        |  84 +++++-----
 .../gpu/drm/tests/drm_damage_helper_test.c    |  84 +++++-----
 .../gpu/drm/tests/drm_dp_mst_helper_test.c    |   8 +-
 .../gpu/drm/tests/drm_format_helper_test.c    |   8 +-
 drivers/gpu/drm/tests/drm_format_test.c       |  20 +--
 drivers/gpu/drm/tests/drm_mm_test.c           | 155 +++++++++---------
 drivers/gpu/drm/tests/drm_plane_helper_test.c |   4 +-
 drivers/gpu/drm/tests/drm_rect_test.c         |  16 +-
 8 files changed, 190 insertions(+), 189 deletions(-)

Comments

Jani Nikula Aug. 31, 2022, 9:30 a.m. UTC | #1
On Tue, 30 Aug 2022, Maíra Canal <mairacanal@riseup.net> wrote:
> With the introduction of KUnit, IGT is no longer the only option to run
> the DRM unit tests, as the tests can be run through kunit-tool or on
> real hardware with CONFIG_KUNIT.
>
> Therefore, remove the "igt_" prefix from the tests and replace it with
> the "drm_" prefix, making the tests' names independent from the tool
> used.

No strong feelings, but I wonder if having a prefix indicating it's a
test would be helpful to avoid any name clashes. As is, the drm_
prefixed names introduced here smell like regular drm functions, and
will also pop up in any code tagging tools such as cscope or GNU global.

BR,
Jani.


>
> Signed-off-by: Maíra Canal <mairacanal@riseup.net>
> ---
>  drivers/gpu/drm/tests/drm_buddy_test.c        |  84 +++++-----
>  .../gpu/drm/tests/drm_damage_helper_test.c    |  84 +++++-----
>  .../gpu/drm/tests/drm_dp_mst_helper_test.c    |   8 +-
>  .../gpu/drm/tests/drm_format_helper_test.c    |   8 +-
>  drivers/gpu/drm/tests/drm_format_test.c       |  20 +--
>  drivers/gpu/drm/tests/drm_mm_test.c           | 155 +++++++++---------
>  drivers/gpu/drm/tests/drm_plane_helper_test.c |   4 +-
>  drivers/gpu/drm/tests/drm_rect_test.c         |  16 +-
>  8 files changed, 190 insertions(+), 189 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
> index d76f83833e75..a9393d788390 100644
> --- a/drivers/gpu/drm/tests/drm_buddy_test.c
> +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
> @@ -13,7 +13,7 @@
>  
>  #include "../lib/drm_random.h"
>  
> -#define IGT_TIMEOUT(name__)                                                    \
> +#define TIMEOUT(name__)								\
>  	unsigned long name__ = jiffies + MAX_SCHEDULE_TIMEOUT
>  
>  static unsigned int random_seed;
> @@ -24,7 +24,7 @@ static inline u64 get_size(int order, u64 chunk_size)
>  }
>  
>  __printf(2, 3)
> -static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
> +static bool __timeout(unsigned long timeout, const char *fmt, ...)
>  {
>  	va_list va;
>  
> @@ -43,8 +43,8 @@ static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>  	return true;
>  }
>  
> -static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
> -			     struct drm_buddy_block *block, bool buddy)
> +static void __dump_block(struct kunit *test, struct drm_buddy *mm,
> +			 struct drm_buddy_block *block, bool buddy)
>  {
>  	kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=%d\n",
>  		  block->header, drm_buddy_block_state(block),
> @@ -52,20 +52,20 @@ static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>  			  drm_buddy_block_size(mm, block), !block->parent, buddy);
>  }
>  
> -static void igt_dump_block(struct kunit *test, struct drm_buddy *mm,
> -			   struct drm_buddy_block *block)
> +static void dump_block(struct kunit *test, struct drm_buddy *mm,
> +		       struct drm_buddy_block *block)
>  {
>  	struct drm_buddy_block *buddy;
>  
> -	__igt_dump_block(test, mm, block, false);
> +	__dump_block(test, mm, block, false);
>  
>  	buddy = drm_get_buddy(block);
>  	if (buddy)
> -		__igt_dump_block(test, mm, buddy, true);
> +		__dump_block(test, mm, buddy, true);
>  }
>  
> -static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
> -			   struct drm_buddy_block *block)
> +static int check_block(struct kunit *test, struct drm_buddy *mm,
> +		       struct drm_buddy_block *block)
>  {
>  	struct drm_buddy_block *buddy;
>  	unsigned int block_state;
> @@ -137,8 +137,8 @@ static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>  	return err;
>  }
>  
> -static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
> -			    struct list_head *blocks, u64 expected_size, bool is_contiguous)
> +static int check_blocks(struct kunit *test, struct drm_buddy *mm,
> +			struct list_head *blocks, u64 expected_size, bool is_contiguous)
>  {
>  	struct drm_buddy_block *block;
>  	struct drm_buddy_block *prev;
> @@ -150,7 +150,7 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>  	total = 0;
>  
>  	list_for_each_entry(block, blocks, link) {
> -		err = igt_check_block(test, mm, block);
> +		err = check_block(test, mm, block);
>  
>  		if (!drm_buddy_block_is_allocated(block)) {
>  			kunit_err(test, "block not allocated\n");
> @@ -190,16 +190,16 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>  
>  	if (prev) {
>  		kunit_err(test, "prev block, dump:\n");
> -		igt_dump_block(test, mm, prev);
> +		dump_block(test, mm, prev);
>  	}
>  
>  	kunit_err(test, "bad block, dump:\n");
> -	igt_dump_block(test, mm, block);
> +	dump_block(test, mm, block);
>  
>  	return err;
>  }
>  
> -static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
> +static int check_mm(struct kunit *test, struct drm_buddy *mm)
>  {
>  	struct drm_buddy_block *root;
>  	struct drm_buddy_block *prev;
> @@ -233,7 +233,7 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>  			break;
>  		}
>  
> -		err = igt_check_block(test, mm, root);
> +		err = check_block(test, mm, root);
>  
>  		if (!drm_buddy_block_is_free(root)) {
>  			kunit_err(test, "root not free\n");
> @@ -289,18 +289,18 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>  
>  	if (prev) {
>  		kunit_err(test, "prev root(%u), dump:\n", i - 1);
> -		igt_dump_block(test, mm, prev);
> +		dump_block(test, mm, prev);
>  	}
>  
>  	if (root) {
>  		kunit_err(test, "bad root(%u), dump:\n", i);
> -		igt_dump_block(test, mm, root);
> +		dump_block(test, mm, root);
>  	}
>  
>  	return err;
>  }
>  
> -static void igt_mm_config(u64 *size, u64 *chunk_size)
> +static void mm_config(u64 *size, u64 *chunk_size)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	u32 s, ms;
> @@ -321,7 +321,7 @@ static void igt_mm_config(u64 *size, u64 *chunk_size)
>  	*size = (u64)s << 12;
>  }
>  
> -static void igt_buddy_alloc_pathological(struct kunit *test)
> +static void drm_buddy_alloc_pathological(struct kunit *test)
>  {
>  	u64 mm_size, size, start = 0;
>  	struct drm_buddy_block *block;
> @@ -402,7 +402,7 @@ static void igt_buddy_alloc_pathological(struct kunit *test)
>  	drm_buddy_fini(&mm);
>  }
>  
> -static void igt_buddy_alloc_smoke(struct kunit *test)
> +static void drm_buddy_alloc_smoke(struct kunit *test)
>  {
>  	u64 mm_size, chunk_size, start = 0;
>  	unsigned long flags = 0;
> @@ -411,9 +411,9 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>  	int i;
>  
>  	DRM_RND_STATE(prng, random_seed);
> -	IGT_TIMEOUT(end_time);
> +	TIMEOUT(end_time);
>  
> -	igt_mm_config(&mm_size, &chunk_size);
> +	mm_config(&mm_size, &chunk_size);
>  
>  	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, chunk_size),
>  			       "buddy_init failed\n");
> @@ -430,7 +430,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>  		LIST_HEAD(tmp);
>  		int order, err;
>  
> -		KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +		KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>  				       "pre-mm check failed, abort\n");
>  
>  		order = max_order;
> @@ -466,19 +466,19 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>  
>  			total += drm_buddy_block_size(&mm, block);
>  
> -			if (__igt_timeout(end_time, NULL)) {
> +			if (__timeout(end_time, NULL)) {
>  				timeout = true;
>  				break;
>  			}
>  		} while (total < mm.size);
>  
>  		if (!err)
> -			err = igt_check_blocks(test, &mm, &blocks, total, false);
> +			err = check_blocks(test, &mm, &blocks, total, false);
>  
>  		drm_buddy_free_list(&mm, &blocks);
>  
>  		if (!err) {
> -			KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +			KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm),
>  					       "post-mm check failed\n");
>  		}
>  
> @@ -492,7 +492,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>  	drm_buddy_fini(&mm);
>  }
>  
> -static void igt_buddy_alloc_pessimistic(struct kunit *test)
> +static void drm_buddy_alloc_pessimistic(struct kunit *test)
>  {
>  	u64 mm_size, size, start = 0;
>  	struct drm_buddy_block *block, *bn;
> @@ -587,7 +587,7 @@ static void igt_buddy_alloc_pessimistic(struct kunit *test)
>  	drm_buddy_fini(&mm);
>  }
>  
> -static void igt_buddy_alloc_optimistic(struct kunit *test)
> +static void drm_buddy_alloc_optimistic(struct kunit *test)
>  {
>  	u64 mm_size, size, start = 0;
>  	struct drm_buddy_block *block;
> @@ -633,7 +633,7 @@ static void igt_buddy_alloc_optimistic(struct kunit *test)
>  	drm_buddy_fini(&mm);
>  }
>  
> -static void igt_buddy_alloc_range(struct kunit *test)
> +static void drm_buddy_alloc_range(struct kunit *test)
>  {
>  	unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION;
>  	u64 offset, size, rem, chunk_size, end;
> @@ -641,12 +641,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>  	struct drm_buddy mm;
>  	LIST_HEAD(blocks);
>  
> -	igt_mm_config(&size, &chunk_size);
> +	mm_config(&size, &chunk_size);
>  
>  	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, size, chunk_size),
>  			       "buddy_init failed");
>  
> -	KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +	KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>  			       "pre-mm check failed, abort!");
>  
>  	rem = mm.size;
> @@ -671,7 +671,7 @@ static void igt_buddy_alloc_range(struct kunit *test)
>  				    "alloc_range start offset mismatch, found=%llx, expected=%llx\n",
>  							drm_buddy_block_offset(block), offset);
>  
> -		KUNIT_ASSERT_FALSE(test, igt_check_blocks(test, &mm, &tmp, size, true));
> +		KUNIT_ASSERT_FALSE(test, check_blocks(test, &mm, &tmp, size, true));
>  
>  		list_splice_tail(&tmp, &blocks);
>  
> @@ -686,12 +686,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>  
>  	drm_buddy_free_list(&mm, &blocks);
>  
> -	KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm), "post-mm check failed\n");
> +	KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm), "post-mm check failed\n");
>  
>  	drm_buddy_fini(&mm);
>  }
>  
> -static void igt_buddy_alloc_limit(struct kunit *test)
> +static void drm_buddy_alloc_limit(struct kunit *test)
>  {
>  	u64 size = U64_MAX, start = 0;
>  	struct drm_buddy_block *block;
> @@ -735,12 +735,12 @@ static int drm_buddy_init_test(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_buddy_tests[] = {
> -	KUNIT_CASE(igt_buddy_alloc_limit),
> -	KUNIT_CASE(igt_buddy_alloc_range),
> -	KUNIT_CASE(igt_buddy_alloc_optimistic),
> -	KUNIT_CASE(igt_buddy_alloc_pessimistic),
> -	KUNIT_CASE(igt_buddy_alloc_smoke),
> -	KUNIT_CASE(igt_buddy_alloc_pathological),
> +	KUNIT_CASE(drm_buddy_alloc_limit),
> +	KUNIT_CASE(drm_buddy_alloc_range),
> +	KUNIT_CASE(drm_buddy_alloc_optimistic),
> +	KUNIT_CASE(drm_buddy_alloc_pessimistic),
> +	KUNIT_CASE(drm_buddy_alloc_smoke),
> +	KUNIT_CASE(drm_buddy_alloc_pathological),
>  	{}
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_damage_helper_test.c b/drivers/gpu/drm/tests/drm_damage_helper_test.c
> index bf250bd08d7e..91005b051c5c 100644
> --- a/drivers/gpu/drm/tests/drm_damage_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_damage_helper_test.c
> @@ -111,7 +111,7 @@ static void check_damage_clip(struct kunit *test, struct drm_rect *r,
>  			   r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
>  }
>  
> -static void igt_damage_iter_no_damage(struct kunit *test)
> +static void drm_damage_iter_no_damage(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -129,7 +129,7 @@ static void igt_damage_iter_no_damage(struct kunit *test)
>  	check_damage_clip(test, &clip, 0, 0, 2048, 2048);
>  }
>  
> -static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
> +static void drm_damage_iter_no_damage_fractional_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -150,7 +150,7 @@ static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>  	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>  }
>  
> -static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_no_damage_src_moved(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -169,7 +169,7 @@ static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>  	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>  }
>  
> -static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
> +static void drm_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -189,7 +189,7 @@ static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>  	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>  }
>  
> -static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
> +static void drm_damage_iter_no_damage_not_visible(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -207,7 +207,7 @@ static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>  
> -static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
> +static void drm_damage_iter_no_damage_no_crtc(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -225,7 +225,7 @@ static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>  
> -static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
> +static void drm_damage_iter_no_damage_no_fb(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -243,7 +243,7 @@ static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>  
> -static void igt_damage_iter_simple_damage(struct kunit *test)
> +static void drm_damage_iter_simple_damage(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -266,7 +266,7 @@ static void igt_damage_iter_simple_damage(struct kunit *test)
>  	check_damage_clip(test, &clip, 0, 0, 1024, 768);
>  }
>  
> -static void igt_damage_iter_single_damage(struct kunit *test)
> +static void drm_damage_iter_single_damage(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -288,7 +288,7 @@ static void igt_damage_iter_single_damage(struct kunit *test)
>  	check_damage_clip(test, &clip, 256, 192, 768, 576);
>  }
>  
> -static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_intersect_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -311,7 +311,7 @@ static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>  	check_damage_clip(test, &clip, 256, 192, 1024, 768);
>  }
>  
> -static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_outside_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -333,7 +333,7 @@ static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>  
> -static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_fractional_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -358,7 +358,7 @@ static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>  	check_damage_clip(test, &clip, 10, 10, 256, 330);
>  }
>  
> -static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -385,7 +385,7 @@ static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit
>  	check_damage_clip(test, &clip, 10, 4, 1029, 330);
>  }
>  
> -static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -410,7 +410,7 @@ static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *t
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>  
> -static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_single_damage_src_moved(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -435,7 +435,7 @@ static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>  	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>  }
>  
> -static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
> +static void drm_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -462,7 +462,7 @@ static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *tes
>  	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>  }
>  
> -static void igt_damage_iter_damage(struct kunit *test)
> +static void drm_damage_iter_damage(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -490,7 +490,7 @@ static void igt_damage_iter_damage(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>  }
>  
> -static void igt_damage_iter_damage_one_intersect(struct kunit *test)
> +static void drm_damage_iter_damage_one_intersect(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -520,7 +520,7 @@ static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>  	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>  }
>  
> -static void igt_damage_iter_damage_one_outside(struct kunit *test)
> +static void drm_damage_iter_damage_one_outside(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -544,7 +544,7 @@ static void igt_damage_iter_damage_one_outside(struct kunit *test)
>  	check_damage_clip(test, &clip, 240, 200, 280, 250);
>  }
>  
> -static void igt_damage_iter_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_damage_src_moved(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -571,7 +571,7 @@ static void igt_damage_iter_damage_src_moved(struct kunit *test)
>  	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>  }
>  
> -static void igt_damage_iter_damage_not_visible(struct kunit *test)
> +static void drm_damage_iter_damage_not_visible(struct kunit *test)
>  {
>  	struct drm_damage_mock *mock = test->priv;
>  	struct drm_atomic_helper_damage_iter iter;
> @@ -599,27 +599,27 @@ static void igt_damage_iter_damage_not_visible(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_damage_helper_tests[] = {
> -	KUNIT_CASE(igt_damage_iter_no_damage),
> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src),
> -	KUNIT_CASE(igt_damage_iter_no_damage_src_moved),
> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved),
> -	KUNIT_CASE(igt_damage_iter_no_damage_not_visible),
> -	KUNIT_CASE(igt_damage_iter_no_damage_no_crtc),
> -	KUNIT_CASE(igt_damage_iter_no_damage_no_fb),
> -	KUNIT_CASE(igt_damage_iter_simple_damage),
> -	KUNIT_CASE(igt_damage_iter_single_damage),
> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_src),
> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_src),
> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src),
> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src),
> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src),
> -	KUNIT_CASE(igt_damage_iter_single_damage_src_moved),
> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved),
> -	KUNIT_CASE(igt_damage_iter_damage),
> -	KUNIT_CASE(igt_damage_iter_damage_one_intersect),
> -	KUNIT_CASE(igt_damage_iter_damage_one_outside),
> -	KUNIT_CASE(igt_damage_iter_damage_src_moved),
> -	KUNIT_CASE(igt_damage_iter_damage_not_visible),
> +	KUNIT_CASE(drm_damage_iter_no_damage),
> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src),
> +	KUNIT_CASE(drm_damage_iter_no_damage_src_moved),
> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src_moved),
> +	KUNIT_CASE(drm_damage_iter_no_damage_not_visible),
> +	KUNIT_CASE(drm_damage_iter_no_damage_no_crtc),
> +	KUNIT_CASE(drm_damage_iter_no_damage_no_fb),
> +	KUNIT_CASE(drm_damage_iter_simple_damage),
> +	KUNIT_CASE(drm_damage_iter_single_damage),
> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_src),
> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_src),
> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src),
> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_fractional_src),
> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_fractional_src),
> +	KUNIT_CASE(drm_damage_iter_single_damage_src_moved),
> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src_moved),
> +	KUNIT_CASE(drm_damage_iter_damage),
> +	KUNIT_CASE(drm_damage_iter_damage_one_intersect),
> +	KUNIT_CASE(drm_damage_iter_damage_one_outside),
> +	KUNIT_CASE(drm_damage_iter_damage_src_moved),
> +	KUNIT_CASE(drm_damage_iter_damage_not_visible),
>  	{ }
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> index 1d2fade56227..88fc661b5559 100644
> --- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> @@ -16,7 +16,7 @@
>  
>  #include "../display/drm_dp_mst_topology_internal.h"
>  
> -static void igt_dp_mst_calc_pbn_mode(struct kunit *test)
> +static void drm_dp_mst_calc_pbn_mode(struct kunit *test)
>  {
>  	int pbn, i;
>  	const struct {
> @@ -177,7 +177,7 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
>  	return result;
>  }
>  
> -static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
> +static void drm_dp_mst_sideband_msg_req_decode(struct kunit *test)
>  {
>  	struct drm_dp_sideband_msg_req_body in = { 0 };
>  	u8 data[] = { 0xff, 0x0, 0xdd };
> @@ -271,8 +271,8 @@ static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_dp_mst_helper_tests[] = {
> -	KUNIT_CASE(igt_dp_mst_calc_pbn_mode),
> -	KUNIT_CASE(igt_dp_mst_sideband_msg_req_decode),
> +	KUNIT_CASE(drm_dp_mst_calc_pbn_mode),
> +	KUNIT_CASE(drm_dp_mst_sideband_msg_req_decode),
>  	{ }
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
> index 828487071796..322240d7fceb 100644
> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
> @@ -192,7 +192,7 @@ static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
>  KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
>  		  convert_xrgb8888_case_desc);
>  
> -static void xrgb8888_to_rgb332_test(struct kunit *test)
> +static void drm_fb_xrgb8888_to_rgb332_test(struct kunit *test)
>  {
>  	const struct convert_xrgb8888_case *params = test->param_value;
>  	const struct convert_to_rgb332_result *result = &params->rgb332_result;
> @@ -222,7 +222,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
>  	KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
>  }
>  
> -static void xrgb8888_to_rgb565_test(struct kunit *test)
> +static void drm_fb_xrgb8888_to_rgb565_test(struct kunit *test)
>  {
>  	const struct convert_xrgb8888_case *params = test->param_value;
>  	const struct convert_to_rgb565_result *result = &params->rgb565_result;
> @@ -256,8 +256,8 @@ static void xrgb8888_to_rgb565_test(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_format_helper_test_cases[] = {
> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>  	{}
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c
> index afb4bca72187..ed8b4a2dd849 100644
> --- a/drivers/gpu/drm/tests/drm_format_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_test.c
> @@ -9,7 +9,7 @@
>  
>  #include <drm/drm_fourcc.h>
>  
> -static void igt_check_drm_format_block_width(struct kunit *test)
> +static void drm_format_block_width_test(struct kunit *test)
>  {
>  	const struct drm_format_info *info = NULL;
>  
> @@ -50,7 +50,7 @@ static void igt_check_drm_format_block_width(struct kunit *test)
>  	KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
>  }
>  
> -static void igt_check_drm_format_block_height(struct kunit *test)
> +static void drm_format_block_height_test(struct kunit *test)
>  {
>  	const struct drm_format_info *info = NULL;
>  
> @@ -91,7 +91,7 @@ static void igt_check_drm_format_block_height(struct kunit *test)
>  	KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
>  }
>  
> -static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
> +static void drm_format_min_pitch_for_single_plane_test(struct kunit *test)
>  {
>  	const struct drm_format_info *info = NULL;
>  
> @@ -177,7 +177,7 @@ static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>  			(uint64_t)(UINT_MAX - 1) * 4);
>  }
>  
> -static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
> +static void drm_format_min_pitch_for_multi_planar_test(struct kunit *test)
>  {
>  	const struct drm_format_info *info = NULL;
>  
> @@ -256,7 +256,7 @@ static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>  			(uint64_t)(UINT_MAX - 1) / 2);
>  }
>  
> -static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
> +static void drm_format_min_pitch_for_tiled_format_test(struct kunit *test)
>  {
>  	const struct drm_format_info *info = NULL;
>  
> @@ -281,11 +281,11 @@ static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_format_tests[] = {
> -	KUNIT_CASE(igt_check_drm_format_block_width),
> -	KUNIT_CASE(igt_check_drm_format_block_height),
> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_single_plane),
> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_multi_planar),
> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_tiled_format),
> +	KUNIT_CASE(drm_format_block_width_test),
> +	KUNIT_CASE(drm_format_block_height_test),
> +	KUNIT_CASE(drm_format_min_pitch_for_single_plane_test),
> +	KUNIT_CASE(drm_format_min_pitch_for_multi_planar_test),
> +	KUNIT_CASE(drm_format_min_pitch_for_tiled_format_test),
>  	{ }
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
> index 1e2c1aa524bd..a50fd1ef2af5 100644
> --- a/drivers/gpu/drm/tests/drm_mm_test.c
> +++ b/drivers/gpu/drm/tests/drm_mm_test.c
> @@ -191,7 +191,7 @@ static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm
>  	return ok;
>  }
>  
> -static void igt_mm_init(struct kunit *test)
> +static void drm_mm_check_init(struct kunit *test)
>  {
>  	const unsigned int size = 4096;
>  	struct drm_mm mm;
> @@ -245,7 +245,7 @@ static void igt_mm_init(struct kunit *test)
>  	drm_mm_takedown(&mm);
>  }
>  
> -static void igt_mm_debug(struct kunit *test)
> +static void drm_mm_debug(struct kunit *test)
>  {
>  	struct drm_mm mm;
>  	struct drm_mm_node nodes[2];
> @@ -341,7 +341,7 @@ static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
>  	return true;
>  }
>  
> -static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
> +static int __drm_mm_reserve(struct kunit *test, unsigned int count, u64 size)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	struct drm_mm mm;
> @@ -349,7 +349,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>  	unsigned int *order, n, m, o = 0;
>  	int ret, err;
>  
> -	/* For exercising drm_mm_reserve_node(struct kunit *test, ), we want to check that
> +	/* For exercising drm_mm_reserve_node(), we want to check that
>  	 * reservations outside of the drm_mm range are rejected, and to
>  	 * overlapping and otherwise already occupied ranges. Afterwards,
>  	 * the tree and nodes should be intact.
> @@ -463,7 +463,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>  	return ret;
>  }
>  
> -static void igt_mm_reserve(struct kunit *test)
> +static void drm_mm_reserve(struct kunit *test)
>  {
>  	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>  	int n;
> @@ -471,9 +471,9 @@ static void igt_mm_reserve(struct kunit *test)
>  	for_each_prime_number_from(n, 1, 54) {
>  		u64 size = BIT_ULL(n);
>  
> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size - 1));
> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size));
> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size + 1));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size - 1));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size + 1));
>  
>  		cond_resched();
>  	}
> @@ -524,7 +524,7 @@ static bool expect_insert_fail(struct kunit *test, struct drm_mm *mm, u64 size)
>  	return false;
>  }
>  
> -static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
> +static int __drm_mm_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	const struct insert_mode *mode;
> @@ -660,7 +660,7 @@ static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool r
>  	return ret;
>  }
>  
> -static void igt_mm_insert(struct kunit *test)
> +static void drm_mm_insert(struct kunit *test)
>  {
>  	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>  	unsigned int n;
> @@ -668,20 +668,20 @@ static void igt_mm_insert(struct kunit *test)
>  	for_each_prime_number_from(n, 1, 54) {
>  		u64 size = BIT_ULL(n);
>  
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, false));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, false));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, false));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, false));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, false));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, false));
>  
>  		cond_resched();
>  	}
>  }
>  
> -static void igt_mm_replace(struct kunit *test)
> +static void drm_mm_replace(struct kunit *test)
>  {
>  	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>  	unsigned int n;
>  
> -	/* Reuse igt_insert to exercise replacement by inserting a dummy node,
> +	/* Reuse __drm_mm_insert to exercise replacement by inserting a dummy node,
>  	 * then replacing it with the intended node. We want to check that
>  	 * the tree is intact and all the information we need is carried
>  	 * across to the target node.
> @@ -690,9 +690,9 @@ static void igt_mm_replace(struct kunit *test)
>  	for_each_prime_number_from(n, 1, 54) {
>  		u64 size = BIT_ULL(n);
>  
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, true));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, true));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, true));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, true));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, true));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, true));
>  
>  		cond_resched();
>  	}
> @@ -808,7 +808,8 @@ static bool assert_contiguous_in_range(struct kunit *test, struct drm_mm *mm,
>  	return true;
>  }
>  
> -static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size, u64 start, u64 end)
> +static int __drm_mm_insert_range(struct kunit *test, unsigned int count, u64 size,
> +				 u64 start, u64 end)
>  {
>  	const struct insert_mode *mode;
>  	struct drm_mm mm;
> @@ -820,7 +821,7 @@ static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size,
>  	DRM_MM_BUG_ON(!size);
>  	DRM_MM_BUG_ON(end <= start);
>  
> -	/* Very similar to __igt_insert(struct kunit *test, ), but now instead of populating the
> +	/* Very similar to __drm_mm_insert(), but now instead of populating the
>  	 * full range of the drm_mm, we try to fill a small portion of it.
>  	 */
>  
> @@ -921,7 +922,7 @@ static int insert_outside_range(struct kunit *test)
>  	return 0;
>  }
>  
> -static void igt_mm_insert_range(struct kunit *test)
> +static void drm_mm_insert_range(struct kunit *test)
>  {
>  	const unsigned int count = min_t(unsigned int, BIT(13), max_iterations);
>  	unsigned int n;
> @@ -933,21 +934,21 @@ static void igt_mm_insert_range(struct kunit *test)
>  		const u64 size = BIT_ULL(n);
>  		const u64 max = count * size;
>  
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 1, max));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max - 1));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max / 2));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, max / 2, max / 2));
> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size,
> -							    max / 4 + 1, 3 * max / 4 - 1));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 1, max));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max - 1));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max / 2));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
> +							       max / 2, max / 2));
> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
> +							       max / 4 + 1, 3 * max / 4 - 1));
>  
>  		cond_resched();
>  	}
>  }
>  
> -static int prepare_igt_frag(struct kunit *test, struct drm_mm *mm,
> -			    struct drm_mm_node *nodes, unsigned int num_insert,
> -			    const struct insert_mode *mode)
> +static int prepare_frag(struct kunit *test, struct drm_mm *mm, struct drm_mm_node *nodes,
> +			unsigned int num_insert, const struct insert_mode *mode)
>  {
>  	unsigned int size = 4096;
>  	unsigned int i;
> @@ -987,7 +988,7 @@ static u64 get_insert_time(struct kunit *test, struct drm_mm *mm,
>  	return ktime_to_ns(ktime_sub(ktime_get(), start));
>  }
>  
> -static void igt_mm_frag(struct kunit *test)
> +static void drm_mm_frag(struct kunit *test)
>  {
>  	struct drm_mm mm;
>  	const struct insert_mode *mode;
> @@ -997,15 +998,15 @@ static void igt_mm_frag(struct kunit *test)
>  
>  	/* We need 4 * insert_size nodes to hold intermediate allocated
>  	 * drm_mm nodes.
> -	 * 1 times for prepare_igt_frag(struct kunit *test, )
> -	 * 1 times for get_insert_time(struct kunit *test, )
> -	 * 2 times for get_insert_time(struct kunit *test, )
> +	 * 1 times for prepare_frag()
> +	 * 1 times for get_insert_time()
> +	 * 2 times for get_insert_time()
>  	 */
>  	nodes = vzalloc(array_size(insert_size * 4, sizeof(*nodes)));
>  	KUNIT_ASSERT_TRUE(test, nodes);
>  
>  	/* For BOTTOMUP and TOPDOWN, we first fragment the
> -	 * address space using prepare_igt_frag(struct kunit *test, ) and then try to verify
> +	 * address space using prepare_frag() and then try to verify
>  	 * that insertions scale quadratically from 10k to 20k insertions
>  	 */
>  	drm_mm_init(&mm, 1, U64_MAX - 2);
> @@ -1016,7 +1017,7 @@ static void igt_mm_frag(struct kunit *test)
>  		    mode->mode != DRM_MM_INSERT_HIGH)
>  			continue;
>  
> -		if (prepare_igt_frag(test, &mm, nodes, insert_size, mode))
> +		if (prepare_frag(test, &mm, nodes, insert_size, mode))
>  			goto err;
>  
>  		insert_time1 = get_insert_time(test, &mm, insert_size,
> @@ -1049,7 +1050,7 @@ static void igt_mm_frag(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void igt_mm_align(struct kunit *test)
> +static void drm_mm_align(struct kunit *test)
>  {
>  	const struct insert_mode *mode;
>  	const unsigned int max_count = min(8192u, max_prime);
> @@ -1096,7 +1097,7 @@ static void igt_mm_align(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void igt_align_pot(struct kunit *test, int max)
> +static void drm_mm_align_pot(struct kunit *test, int max)
>  {
>  	struct drm_mm mm;
>  	struct drm_mm_node *node, *next;
> @@ -1133,14 +1134,14 @@ static void igt_align_pot(struct kunit *test, int max)
>  	drm_mm_takedown(&mm);
>  }
>  
> -static void igt_mm_align32(struct kunit *test)
> +static void drm_mm_align32(struct kunit *test)
>  {
> -	igt_align_pot(test, 32);
> +	drm_mm_align_pot(test, 32);
>  }
>  
> -static void igt_mm_align64(struct kunit *test)
> +static void drm_mm_align64(struct kunit *test)
>  {
> -	igt_align_pot(test, 64);
> +	drm_mm_align_pot(test, 64);
>  }
>  
>  static void show_scan(struct kunit *test, const struct drm_mm_scan *scan)
> @@ -1386,7 +1387,7 @@ static int evict_something(struct kunit *test, struct drm_mm *mm,
>  	return 0;
>  }
>  
> -static void igt_mm_evict(struct kunit *test)
> +static void drm_mm_evict(struct kunit *test)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	const unsigned int size = 8192;
> @@ -1477,7 +1478,7 @@ static void igt_mm_evict(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void igt_mm_evict_range(struct kunit *test)
> +static void drm_mm_evict_range(struct kunit *test)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	const unsigned int size = 8192;
> @@ -1490,7 +1491,7 @@ static void igt_mm_evict_range(struct kunit *test)
>  	struct drm_mm_node *node, *next;
>  	unsigned int *order, n;
>  
> -	/* Like igt_evict() but now we are limiting the search to a
> +	/* Like drm_mm_evict() but now we are limiting the search to a
>  	 * small portion of the full drm_mm.
>  	 */
>  
> @@ -1564,7 +1565,7 @@ static unsigned int node_index(const struct drm_mm_node *node)
>  	return div64_u64(node->start, node->size);
>  }
>  
> -static void igt_mm_topdown(struct kunit *test)
> +static void drm_mm_topdown(struct kunit *test)
>  {
>  	const struct insert_mode *topdown = &insert_modes[TOPDOWN];
>  
> @@ -1671,7 +1672,7 @@ static void igt_mm_topdown(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void igt_mm_bottomup(struct kunit *test)
> +static void drm_mm_bottomup(struct kunit *test)
>  {
>  	const struct insert_mode *bottomup = &insert_modes[BOTTOMUP];
>  
> @@ -1683,7 +1684,7 @@ static void igt_mm_bottomup(struct kunit *test)
>  	struct drm_mm_node *nodes, *node, *next;
>  	unsigned int *order, n, m, o = 0;
>  
> -	/* Like igt_topdown, but instead of searching for the last hole,
> +	/* Like drm_mm_topdown, but instead of searching for the last hole,
>  	 * we search for the first.
>  	 */
>  
> @@ -1763,7 +1764,7 @@ static void igt_mm_bottomup(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void __igt_once(struct kunit *test, unsigned int mode)
> +static void __drm_mm_once(struct kunit *test, unsigned int mode)
>  {
>  	struct drm_mm mm;
>  	struct drm_mm_node rsvd_lo, rsvd_hi, node;
> @@ -1806,14 +1807,14 @@ static void __igt_once(struct kunit *test, unsigned int mode)
>  	drm_mm_takedown(&mm);
>  }
>  
> -static void igt_mm_lowest(struct kunit *test)
> +static void drm_mm_lowest(struct kunit *test)
>  {
> -	__igt_once(test, DRM_MM_INSERT_LOW);
> +	__drm_mm_once(test, DRM_MM_INSERT_LOW);
>  }
>  
> -static void igt_mm_highest(struct kunit *test)
> +static void drm_mm_highest(struct kunit *test)
>  {
> -	__igt_once(test, DRM_MM_INSERT_HIGH);
> +	__drm_mm_once(test, DRM_MM_INSERT_HIGH);
>  }
>  
>  static void separate_adjacent_colors(const struct drm_mm_node *node,
> @@ -1842,7 +1843,7 @@ static bool colors_abutt(struct kunit *test, const struct drm_mm_node *node)
>  	return false;
>  }
>  
> -static void igt_mm_color(struct kunit *test)
> +static void drm_mm_color(struct kunit *test)
>  {
>  	const unsigned int count = min(4096u, max_iterations);
>  	const struct insert_mode *mode;
> @@ -2041,7 +2042,7 @@ static int evict_color(struct kunit *test, struct drm_mm *mm, u64 range_start,
>  	return 0;
>  }
>  
> -static void igt_mm_color_evict(struct kunit *test)
> +static void drm_mm_color_evict(struct kunit *test)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	const unsigned int total_size = min(8192u, max_iterations);
> @@ -2122,7 +2123,7 @@ static void igt_mm_color_evict(struct kunit *test)
>  	vfree(nodes);
>  }
>  
> -static void igt_mm_color_evict_range(struct kunit *test)
> +static void drm_mm_color_evict_range(struct kunit *test)
>  {
>  	DRM_RND_STATE(prng, random_seed);
>  	const unsigned int total_size = 8192;
> @@ -2136,7 +2137,7 @@ static void igt_mm_color_evict_range(struct kunit *test)
>  	struct drm_mm_node *node, *next;
>  	unsigned int *order, n;
>  
> -	/* Like igt_color_evict(), but limited to small portion of the full
> +	/* Like drm_mm_color_evict(), but limited to small portion of the full
>  	 * drm_mm range.
>  	 */
>  
> @@ -2221,25 +2222,25 @@ module_param(max_iterations, uint, 0400);
>  module_param(max_prime, uint, 0400);
>  
>  static struct kunit_case drm_mm_tests[] = {
> -	KUNIT_CASE(igt_mm_init),
> -	KUNIT_CASE(igt_mm_debug),
> -	KUNIT_CASE(igt_mm_reserve),
> -	KUNIT_CASE(igt_mm_insert),
> -	KUNIT_CASE(igt_mm_replace),
> -	KUNIT_CASE(igt_mm_insert_range),
> -	KUNIT_CASE(igt_mm_frag),
> -	KUNIT_CASE(igt_mm_align),
> -	KUNIT_CASE(igt_mm_align32),
> -	KUNIT_CASE(igt_mm_align64),
> -	KUNIT_CASE(igt_mm_evict),
> -	KUNIT_CASE(igt_mm_evict_range),
> -	KUNIT_CASE(igt_mm_topdown),
> -	KUNIT_CASE(igt_mm_bottomup),
> -	KUNIT_CASE(igt_mm_lowest),
> -	KUNIT_CASE(igt_mm_highest),
> -	KUNIT_CASE(igt_mm_color),
> -	KUNIT_CASE(igt_mm_color_evict),
> -	KUNIT_CASE(igt_mm_color_evict_range),
> +	KUNIT_CASE(drm_mm_check_init),
> +	KUNIT_CASE(drm_mm_debug),
> +	KUNIT_CASE(drm_mm_reserve),
> +	KUNIT_CASE(drm_mm_insert),
> +	KUNIT_CASE(drm_mm_replace),
> +	KUNIT_CASE(drm_mm_insert_range),
> +	KUNIT_CASE(drm_mm_frag),
> +	KUNIT_CASE(drm_mm_align),
> +	KUNIT_CASE(drm_mm_align32),
> +	KUNIT_CASE(drm_mm_align64),
> +	KUNIT_CASE(drm_mm_evict),
> +	KUNIT_CASE(drm_mm_evict_range),
> +	KUNIT_CASE(drm_mm_topdown),
> +	KUNIT_CASE(drm_mm_bottomup),
> +	KUNIT_CASE(drm_mm_lowest),
> +	KUNIT_CASE(drm_mm_highest),
> +	KUNIT_CASE(drm_mm_color),
> +	KUNIT_CASE(drm_mm_color_evict),
> +	KUNIT_CASE(drm_mm_color_evict_range),
>  	{}
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> index be6cff0020ed..90843395fd28 100644
> --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> @@ -73,7 +73,7 @@ static bool check_crtc_eq(struct drm_plane_state *plane_state,
>  	return true;
>  }
>  
> -static void igt_check_plane_state(struct kunit *test)
> +static void drm_check_plane_state_desc(struct kunit *test)
>  {
>  	int ret;
>  
> @@ -223,7 +223,7 @@ static void igt_check_plane_state(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_plane_helper_test[] = {
> -	KUNIT_CASE(igt_check_plane_state),
> +	KUNIT_CASE(drm_check_plane_state_desc),
>  	{}
>  };
>  
> diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
> index c1dbefd49a4c..a1a94781862f 100644
> --- a/drivers/gpu/drm/tests/drm_rect_test.c
> +++ b/drivers/gpu/drm/tests/drm_rect_test.c
> @@ -9,7 +9,7 @@
>  
>  #include <drm/drm_rect.h>
>  
> -static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
> +static void drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>  {
>  	struct drm_rect src, dst, clip;
>  	bool visible;
> @@ -35,7 +35,7 @@ static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>  	KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
>  }
>  
> -static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
> +static void drm_rect_clip_scaled_not_clipped(struct kunit *test)
>  {
>  	struct drm_rect src, dst, clip;
>  	bool visible;
> @@ -83,7 +83,7 @@ static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>  	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>  }
>  
> -static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
> +static void drm_rect_clip_scaled_clipped(struct kunit *test)
>  {
>  	struct drm_rect src, dst, clip;
>  	bool visible;
> @@ -173,7 +173,7 @@ static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>  	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>  }
>  
> -static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
> +static void drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>  {
>  	struct drm_rect src, dst, clip;
>  	bool visible;
> @@ -197,10 +197,10 @@ static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>  }
>  
>  static struct kunit_case drm_rect_tests[] = {
> -	KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
> -	KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
> -	KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
> -	KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
> +	KUNIT_CASE(drm_rect_clip_scaled_div_by_zero),
> +	KUNIT_CASE(drm_rect_clip_scaled_not_clipped),
> +	KUNIT_CASE(drm_rect_clip_scaled_clipped),
> +	KUNIT_CASE(drm_rect_clip_scaled_signed_vs_unsigned),
>  	{ }
>  };
Maira Canal Aug. 31, 2022, 5:30 p.m. UTC | #2
Hi Jani

On 8/31/22 06:30, Jani Nikula wrote:
> On Tue, 30 Aug 2022, Maíra Canal <mairacanal@riseup.net> wrote:
>> With the introduction of KUnit, IGT is no longer the only option to run
>> the DRM unit tests, as the tests can be run through kunit-tool or on
>> real hardware with CONFIG_KUNIT.
>>
>> Therefore, remove the "igt_" prefix from the tests and replace it with
>> the "drm_" prefix, making the tests' names independent from the tool
>> used.
> 
> No strong feelings, but I wonder if having a prefix indicating it's a
> test would be helpful to avoid any name clashes. As is, the drm_
> prefixed names introduced here smell like regular drm functions, and
> will also pop up in any code tagging tools such as cscope or GNU global.
> 

Does "drm_test_" sounds like a better prefix? I agree that "drm_" can 
sound a bit confusing.

Best Regards,
- Maíra Canal

> BR,
> Jani.
> 
> 
>>
>> Signed-off-by: Maíra Canal <mairacanal@riseup.net>
>> ---
>>   drivers/gpu/drm/tests/drm_buddy_test.c        |  84 +++++-----
>>   .../gpu/drm/tests/drm_damage_helper_test.c    |  84 +++++-----
>>   .../gpu/drm/tests/drm_dp_mst_helper_test.c    |   8 +-
>>   .../gpu/drm/tests/drm_format_helper_test.c    |   8 +-
>>   drivers/gpu/drm/tests/drm_format_test.c       |  20 +--
>>   drivers/gpu/drm/tests/drm_mm_test.c           | 155 +++++++++---------
>>   drivers/gpu/drm/tests/drm_plane_helper_test.c |   4 +-
>>   drivers/gpu/drm/tests/drm_rect_test.c         |  16 +-
>>   8 files changed, 190 insertions(+), 189 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
>> index d76f83833e75..a9393d788390 100644
>> --- a/drivers/gpu/drm/tests/drm_buddy_test.c
>> +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
>> @@ -13,7 +13,7 @@
>>   
>>   #include "../lib/drm_random.h"
>>   
>> -#define IGT_TIMEOUT(name__)                                                    \
>> +#define TIMEOUT(name__)								\
>>   	unsigned long name__ = jiffies + MAX_SCHEDULE_TIMEOUT
>>   
>>   static unsigned int random_seed;
>> @@ -24,7 +24,7 @@ static inline u64 get_size(int order, u64 chunk_size)
>>   }
>>   
>>   __printf(2, 3)
>> -static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>> +static bool __timeout(unsigned long timeout, const char *fmt, ...)
>>   {
>>   	va_list va;
>>   
>> @@ -43,8 +43,8 @@ static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>>   	return true;
>>   }
>>   
>> -static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>> -			     struct drm_buddy_block *block, bool buddy)
>> +static void __dump_block(struct kunit *test, struct drm_buddy *mm,
>> +			 struct drm_buddy_block *block, bool buddy)
>>   {
>>   	kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=%d\n",
>>   		  block->header, drm_buddy_block_state(block),
>> @@ -52,20 +52,20 @@ static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>>   			  drm_buddy_block_size(mm, block), !block->parent, buddy);
>>   }
>>   
>> -static void igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>> -			   struct drm_buddy_block *block)
>> +static void dump_block(struct kunit *test, struct drm_buddy *mm,
>> +		       struct drm_buddy_block *block)
>>   {
>>   	struct drm_buddy_block *buddy;
>>   
>> -	__igt_dump_block(test, mm, block, false);
>> +	__dump_block(test, mm, block, false);
>>   
>>   	buddy = drm_get_buddy(block);
>>   	if (buddy)
>> -		__igt_dump_block(test, mm, buddy, true);
>> +		__dump_block(test, mm, buddy, true);
>>   }
>>   
>> -static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>> -			   struct drm_buddy_block *block)
>> +static int check_block(struct kunit *test, struct drm_buddy *mm,
>> +		       struct drm_buddy_block *block)
>>   {
>>   	struct drm_buddy_block *buddy;
>>   	unsigned int block_state;
>> @@ -137,8 +137,8 @@ static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>>   	return err;
>>   }
>>   
>> -static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>> -			    struct list_head *blocks, u64 expected_size, bool is_contiguous)
>> +static int check_blocks(struct kunit *test, struct drm_buddy *mm,
>> +			struct list_head *blocks, u64 expected_size, bool is_contiguous)
>>   {
>>   	struct drm_buddy_block *block;
>>   	struct drm_buddy_block *prev;
>> @@ -150,7 +150,7 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>>   	total = 0;
>>   
>>   	list_for_each_entry(block, blocks, link) {
>> -		err = igt_check_block(test, mm, block);
>> +		err = check_block(test, mm, block);
>>   
>>   		if (!drm_buddy_block_is_allocated(block)) {
>>   			kunit_err(test, "block not allocated\n");
>> @@ -190,16 +190,16 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>>   
>>   	if (prev) {
>>   		kunit_err(test, "prev block, dump:\n");
>> -		igt_dump_block(test, mm, prev);
>> +		dump_block(test, mm, prev);
>>   	}
>>   
>>   	kunit_err(test, "bad block, dump:\n");
>> -	igt_dump_block(test, mm, block);
>> +	dump_block(test, mm, block);
>>   
>>   	return err;
>>   }
>>   
>> -static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>> +static int check_mm(struct kunit *test, struct drm_buddy *mm)
>>   {
>>   	struct drm_buddy_block *root;
>>   	struct drm_buddy_block *prev;
>> @@ -233,7 +233,7 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>>   			break;
>>   		}
>>   
>> -		err = igt_check_block(test, mm, root);
>> +		err = check_block(test, mm, root);
>>   
>>   		if (!drm_buddy_block_is_free(root)) {
>>   			kunit_err(test, "root not free\n");
>> @@ -289,18 +289,18 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>>   
>>   	if (prev) {
>>   		kunit_err(test, "prev root(%u), dump:\n", i - 1);
>> -		igt_dump_block(test, mm, prev);
>> +		dump_block(test, mm, prev);
>>   	}
>>   
>>   	if (root) {
>>   		kunit_err(test, "bad root(%u), dump:\n", i);
>> -		igt_dump_block(test, mm, root);
>> +		dump_block(test, mm, root);
>>   	}
>>   
>>   	return err;
>>   }
>>   
>> -static void igt_mm_config(u64 *size, u64 *chunk_size)
>> +static void mm_config(u64 *size, u64 *chunk_size)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	u32 s, ms;
>> @@ -321,7 +321,7 @@ static void igt_mm_config(u64 *size, u64 *chunk_size)
>>   	*size = (u64)s << 12;
>>   }
>>   
>> -static void igt_buddy_alloc_pathological(struct kunit *test)
>> +static void drm_buddy_alloc_pathological(struct kunit *test)
>>   {
>>   	u64 mm_size, size, start = 0;
>>   	struct drm_buddy_block *block;
>> @@ -402,7 +402,7 @@ static void igt_buddy_alloc_pathological(struct kunit *test)
>>   	drm_buddy_fini(&mm);
>>   }
>>   
>> -static void igt_buddy_alloc_smoke(struct kunit *test)
>> +static void drm_buddy_alloc_smoke(struct kunit *test)
>>   {
>>   	u64 mm_size, chunk_size, start = 0;
>>   	unsigned long flags = 0;
>> @@ -411,9 +411,9 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>   	int i;
>>   
>>   	DRM_RND_STATE(prng, random_seed);
>> -	IGT_TIMEOUT(end_time);
>> +	TIMEOUT(end_time);
>>   
>> -	igt_mm_config(&mm_size, &chunk_size);
>> +	mm_config(&mm_size, &chunk_size);
>>   
>>   	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, chunk_size),
>>   			       "buddy_init failed\n");
>> @@ -430,7 +430,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>   		LIST_HEAD(tmp);
>>   		int order, err;
>>   
>> -		KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
>> +		KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>>   				       "pre-mm check failed, abort\n");
>>   
>>   		order = max_order;
>> @@ -466,19 +466,19 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>   
>>   			total += drm_buddy_block_size(&mm, block);
>>   
>> -			if (__igt_timeout(end_time, NULL)) {
>> +			if (__timeout(end_time, NULL)) {
>>   				timeout = true;
>>   				break;
>>   			}
>>   		} while (total < mm.size);
>>   
>>   		if (!err)
>> -			err = igt_check_blocks(test, &mm, &blocks, total, false);
>> +			err = check_blocks(test, &mm, &blocks, total, false);
>>   
>>   		drm_buddy_free_list(&mm, &blocks);
>>   
>>   		if (!err) {
>> -			KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm),
>> +			KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm),
>>   					       "post-mm check failed\n");
>>   		}
>>   
>> @@ -492,7 +492,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>   	drm_buddy_fini(&mm);
>>   }
>>   
>> -static void igt_buddy_alloc_pessimistic(struct kunit *test)
>> +static void drm_buddy_alloc_pessimistic(struct kunit *test)
>>   {
>>   	u64 mm_size, size, start = 0;
>>   	struct drm_buddy_block *block, *bn;
>> @@ -587,7 +587,7 @@ static void igt_buddy_alloc_pessimistic(struct kunit *test)
>>   	drm_buddy_fini(&mm);
>>   }
>>   
>> -static void igt_buddy_alloc_optimistic(struct kunit *test)
>> +static void drm_buddy_alloc_optimistic(struct kunit *test)
>>   {
>>   	u64 mm_size, size, start = 0;
>>   	struct drm_buddy_block *block;
>> @@ -633,7 +633,7 @@ static void igt_buddy_alloc_optimistic(struct kunit *test)
>>   	drm_buddy_fini(&mm);
>>   }
>>   
>> -static void igt_buddy_alloc_range(struct kunit *test)
>> +static void drm_buddy_alloc_range(struct kunit *test)
>>   {
>>   	unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION;
>>   	u64 offset, size, rem, chunk_size, end;
>> @@ -641,12 +641,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>   	struct drm_buddy mm;
>>   	LIST_HEAD(blocks);
>>   
>> -	igt_mm_config(&size, &chunk_size);
>> +	mm_config(&size, &chunk_size);
>>   
>>   	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, size, chunk_size),
>>   			       "buddy_init failed");
>>   
>> -	KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
>> +	KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>>   			       "pre-mm check failed, abort!");
>>   
>>   	rem = mm.size;
>> @@ -671,7 +671,7 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>   				    "alloc_range start offset mismatch, found=%llx, expected=%llx\n",
>>   							drm_buddy_block_offset(block), offset);
>>   
>> -		KUNIT_ASSERT_FALSE(test, igt_check_blocks(test, &mm, &tmp, size, true));
>> +		KUNIT_ASSERT_FALSE(test, check_blocks(test, &mm, &tmp, size, true));
>>   
>>   		list_splice_tail(&tmp, &blocks);
>>   
>> @@ -686,12 +686,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>   
>>   	drm_buddy_free_list(&mm, &blocks);
>>   
>> -	KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm), "post-mm check failed\n");
>> +	KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm), "post-mm check failed\n");
>>   
>>   	drm_buddy_fini(&mm);
>>   }
>>   
>> -static void igt_buddy_alloc_limit(struct kunit *test)
>> +static void drm_buddy_alloc_limit(struct kunit *test)
>>   {
>>   	u64 size = U64_MAX, start = 0;
>>   	struct drm_buddy_block *block;
>> @@ -735,12 +735,12 @@ static int drm_buddy_init_test(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_buddy_tests[] = {
>> -	KUNIT_CASE(igt_buddy_alloc_limit),
>> -	KUNIT_CASE(igt_buddy_alloc_range),
>> -	KUNIT_CASE(igt_buddy_alloc_optimistic),
>> -	KUNIT_CASE(igt_buddy_alloc_pessimistic),
>> -	KUNIT_CASE(igt_buddy_alloc_smoke),
>> -	KUNIT_CASE(igt_buddy_alloc_pathological),
>> +	KUNIT_CASE(drm_buddy_alloc_limit),
>> +	KUNIT_CASE(drm_buddy_alloc_range),
>> +	KUNIT_CASE(drm_buddy_alloc_optimistic),
>> +	KUNIT_CASE(drm_buddy_alloc_pessimistic),
>> +	KUNIT_CASE(drm_buddy_alloc_smoke),
>> +	KUNIT_CASE(drm_buddy_alloc_pathological),
>>   	{}
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_damage_helper_test.c b/drivers/gpu/drm/tests/drm_damage_helper_test.c
>> index bf250bd08d7e..91005b051c5c 100644
>> --- a/drivers/gpu/drm/tests/drm_damage_helper_test.c
>> +++ b/drivers/gpu/drm/tests/drm_damage_helper_test.c
>> @@ -111,7 +111,7 @@ static void check_damage_clip(struct kunit *test, struct drm_rect *r,
>>   			   r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
>>   }
>>   
>> -static void igt_damage_iter_no_damage(struct kunit *test)
>> +static void drm_damage_iter_no_damage(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -129,7 +129,7 @@ static void igt_damage_iter_no_damage(struct kunit *test)
>>   	check_damage_clip(test, &clip, 0, 0, 2048, 2048);
>>   }
>>   
>> -static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>> +static void drm_damage_iter_no_damage_fractional_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -150,7 +150,7 @@ static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>>   	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>>   }
>>   
>> -static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>> +static void drm_damage_iter_no_damage_src_moved(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -169,7 +169,7 @@ static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>>   	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>>   }
>>   
>> -static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>> +static void drm_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -189,7 +189,7 @@ static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>>   	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>>   }
>>   
>> -static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>> +static void drm_damage_iter_no_damage_not_visible(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -207,7 +207,7 @@ static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>   }
>>   
>> -static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>> +static void drm_damage_iter_no_damage_no_crtc(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -225,7 +225,7 @@ static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>   }
>>   
>> -static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>> +static void drm_damage_iter_no_damage_no_fb(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -243,7 +243,7 @@ static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>   }
>>   
>> -static void igt_damage_iter_simple_damage(struct kunit *test)
>> +static void drm_damage_iter_simple_damage(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -266,7 +266,7 @@ static void igt_damage_iter_simple_damage(struct kunit *test)
>>   	check_damage_clip(test, &clip, 0, 0, 1024, 768);
>>   }
>>   
>> -static void igt_damage_iter_single_damage(struct kunit *test)
>> +static void drm_damage_iter_single_damage(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -288,7 +288,7 @@ static void igt_damage_iter_single_damage(struct kunit *test)
>>   	check_damage_clip(test, &clip, 256, 192, 768, 576);
>>   }
>>   
>> -static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>> +static void drm_damage_iter_single_damage_intersect_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -311,7 +311,7 @@ static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>>   	check_damage_clip(test, &clip, 256, 192, 1024, 768);
>>   }
>>   
>> -static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>> +static void drm_damage_iter_single_damage_outside_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -333,7 +333,7 @@ static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>   }
>>   
>> -static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>> +static void drm_damage_iter_single_damage_fractional_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -358,7 +358,7 @@ static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>>   	check_damage_clip(test, &clip, 10, 10, 256, 330);
>>   }
>>   
>> -static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>> +static void drm_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -385,7 +385,7 @@ static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit
>>   	check_damage_clip(test, &clip, 10, 4, 1029, 330);
>>   }
>>   
>> -static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>> +static void drm_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -410,7 +410,7 @@ static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *t
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>   }
>>   
>> -static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>> +static void drm_damage_iter_single_damage_src_moved(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -435,7 +435,7 @@ static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>>   	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>>   }
>>   
>> -static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>> +static void drm_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -462,7 +462,7 @@ static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *tes
>>   	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>>   }
>>   
>> -static void igt_damage_iter_damage(struct kunit *test)
>> +static void drm_damage_iter_damage(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -490,7 +490,7 @@ static void igt_damage_iter_damage(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>>   }
>>   
>> -static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>> +static void drm_damage_iter_damage_one_intersect(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -520,7 +520,7 @@ static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>>   }
>>   
>> -static void igt_damage_iter_damage_one_outside(struct kunit *test)
>> +static void drm_damage_iter_damage_one_outside(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -544,7 +544,7 @@ static void igt_damage_iter_damage_one_outside(struct kunit *test)
>>   	check_damage_clip(test, &clip, 240, 200, 280, 250);
>>   }
>>   
>> -static void igt_damage_iter_damage_src_moved(struct kunit *test)
>> +static void drm_damage_iter_damage_src_moved(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -571,7 +571,7 @@ static void igt_damage_iter_damage_src_moved(struct kunit *test)
>>   	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>>   }
>>   
>> -static void igt_damage_iter_damage_not_visible(struct kunit *test)
>> +static void drm_damage_iter_damage_not_visible(struct kunit *test)
>>   {
>>   	struct drm_damage_mock *mock = test->priv;
>>   	struct drm_atomic_helper_damage_iter iter;
>> @@ -599,27 +599,27 @@ static void igt_damage_iter_damage_not_visible(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_damage_helper_tests[] = {
>> -	KUNIT_CASE(igt_damage_iter_no_damage),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_src_moved),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_not_visible),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_no_crtc),
>> -	KUNIT_CASE(igt_damage_iter_no_damage_no_fb),
>> -	KUNIT_CASE(igt_damage_iter_simple_damage),
>> -	KUNIT_CASE(igt_damage_iter_single_damage),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_src),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_src),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_src_moved),
>> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved),
>> -	KUNIT_CASE(igt_damage_iter_damage),
>> -	KUNIT_CASE(igt_damage_iter_damage_one_intersect),
>> -	KUNIT_CASE(igt_damage_iter_damage_one_outside),
>> -	KUNIT_CASE(igt_damage_iter_damage_src_moved),
>> -	KUNIT_CASE(igt_damage_iter_damage_not_visible),
>> +	KUNIT_CASE(drm_damage_iter_no_damage),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_src_moved),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src_moved),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_not_visible),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_no_crtc),
>> +	KUNIT_CASE(drm_damage_iter_no_damage_no_fb),
>> +	KUNIT_CASE(drm_damage_iter_simple_damage),
>> +	KUNIT_CASE(drm_damage_iter_single_damage),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_src),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_src),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_fractional_src),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_fractional_src),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_src_moved),
>> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src_moved),
>> +	KUNIT_CASE(drm_damage_iter_damage),
>> +	KUNIT_CASE(drm_damage_iter_damage_one_intersect),
>> +	KUNIT_CASE(drm_damage_iter_damage_one_outside),
>> +	KUNIT_CASE(drm_damage_iter_damage_src_moved),
>> +	KUNIT_CASE(drm_damage_iter_damage_not_visible),
>>   	{ }
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>> index 1d2fade56227..88fc661b5559 100644
>> --- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>> +++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>> @@ -16,7 +16,7 @@
>>   
>>   #include "../display/drm_dp_mst_topology_internal.h"
>>   
>> -static void igt_dp_mst_calc_pbn_mode(struct kunit *test)
>> +static void drm_dp_mst_calc_pbn_mode(struct kunit *test)
>>   {
>>   	int pbn, i;
>>   	const struct {
>> @@ -177,7 +177,7 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
>>   	return result;
>>   }
>>   
>> -static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>> +static void drm_dp_mst_sideband_msg_req_decode(struct kunit *test)
>>   {
>>   	struct drm_dp_sideband_msg_req_body in = { 0 };
>>   	u8 data[] = { 0xff, 0x0, 0xdd };
>> @@ -271,8 +271,8 @@ static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_dp_mst_helper_tests[] = {
>> -	KUNIT_CASE(igt_dp_mst_calc_pbn_mode),
>> -	KUNIT_CASE(igt_dp_mst_sideband_msg_req_decode),
>> +	KUNIT_CASE(drm_dp_mst_calc_pbn_mode),
>> +	KUNIT_CASE(drm_dp_mst_sideband_msg_req_decode),
>>   	{ }
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
>> index 828487071796..322240d7fceb 100644
>> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
>> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
>> @@ -192,7 +192,7 @@ static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
>>   KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
>>   		  convert_xrgb8888_case_desc);
>>   
>> -static void xrgb8888_to_rgb332_test(struct kunit *test)
>> +static void drm_fb_xrgb8888_to_rgb332_test(struct kunit *test)
>>   {
>>   	const struct convert_xrgb8888_case *params = test->param_value;
>>   	const struct convert_to_rgb332_result *result = &params->rgb332_result;
>> @@ -222,7 +222,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
>>   	KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
>>   }
>>   
>> -static void xrgb8888_to_rgb565_test(struct kunit *test)
>> +static void drm_fb_xrgb8888_to_rgb565_test(struct kunit *test)
>>   {
>>   	const struct convert_xrgb8888_case *params = test->param_value;
>>   	const struct convert_to_rgb565_result *result = &params->rgb565_result;
>> @@ -256,8 +256,8 @@ static void xrgb8888_to_rgb565_test(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_format_helper_test_cases[] = {
>> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
>> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
>> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>>   	{}
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c
>> index afb4bca72187..ed8b4a2dd849 100644
>> --- a/drivers/gpu/drm/tests/drm_format_test.c
>> +++ b/drivers/gpu/drm/tests/drm_format_test.c
>> @@ -9,7 +9,7 @@
>>   
>>   #include <drm/drm_fourcc.h>
>>   
>> -static void igt_check_drm_format_block_width(struct kunit *test)
>> +static void drm_format_block_width_test(struct kunit *test)
>>   {
>>   	const struct drm_format_info *info = NULL;
>>   
>> @@ -50,7 +50,7 @@ static void igt_check_drm_format_block_width(struct kunit *test)
>>   	KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
>>   }
>>   
>> -static void igt_check_drm_format_block_height(struct kunit *test)
>> +static void drm_format_block_height_test(struct kunit *test)
>>   {
>>   	const struct drm_format_info *info = NULL;
>>   
>> @@ -91,7 +91,7 @@ static void igt_check_drm_format_block_height(struct kunit *test)
>>   	KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
>>   }
>>   
>> -static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>> +static void drm_format_min_pitch_for_single_plane_test(struct kunit *test)
>>   {
>>   	const struct drm_format_info *info = NULL;
>>   
>> @@ -177,7 +177,7 @@ static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>>   			(uint64_t)(UINT_MAX - 1) * 4);
>>   }
>>   
>> -static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>> +static void drm_format_min_pitch_for_multi_planar_test(struct kunit *test)
>>   {
>>   	const struct drm_format_info *info = NULL;
>>   
>> @@ -256,7 +256,7 @@ static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>>   			(uint64_t)(UINT_MAX - 1) / 2);
>>   }
>>   
>> -static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>> +static void drm_format_min_pitch_for_tiled_format_test(struct kunit *test)
>>   {
>>   	const struct drm_format_info *info = NULL;
>>   
>> @@ -281,11 +281,11 @@ static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_format_tests[] = {
>> -	KUNIT_CASE(igt_check_drm_format_block_width),
>> -	KUNIT_CASE(igt_check_drm_format_block_height),
>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_single_plane),
>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_multi_planar),
>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_tiled_format),
>> +	KUNIT_CASE(drm_format_block_width_test),
>> +	KUNIT_CASE(drm_format_block_height_test),
>> +	KUNIT_CASE(drm_format_min_pitch_for_single_plane_test),
>> +	KUNIT_CASE(drm_format_min_pitch_for_multi_planar_test),
>> +	KUNIT_CASE(drm_format_min_pitch_for_tiled_format_test),
>>   	{ }
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
>> index 1e2c1aa524bd..a50fd1ef2af5 100644
>> --- a/drivers/gpu/drm/tests/drm_mm_test.c
>> +++ b/drivers/gpu/drm/tests/drm_mm_test.c
>> @@ -191,7 +191,7 @@ static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm
>>   	return ok;
>>   }
>>   
>> -static void igt_mm_init(struct kunit *test)
>> +static void drm_mm_check_init(struct kunit *test)
>>   {
>>   	const unsigned int size = 4096;
>>   	struct drm_mm mm;
>> @@ -245,7 +245,7 @@ static void igt_mm_init(struct kunit *test)
>>   	drm_mm_takedown(&mm);
>>   }
>>   
>> -static void igt_mm_debug(struct kunit *test)
>> +static void drm_mm_debug(struct kunit *test)
>>   {
>>   	struct drm_mm mm;
>>   	struct drm_mm_node nodes[2];
>> @@ -341,7 +341,7 @@ static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
>>   	return true;
>>   }
>>   
>> -static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>> +static int __drm_mm_reserve(struct kunit *test, unsigned int count, u64 size)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	struct drm_mm mm;
>> @@ -349,7 +349,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>>   	unsigned int *order, n, m, o = 0;
>>   	int ret, err;
>>   
>> -	/* For exercising drm_mm_reserve_node(struct kunit *test, ), we want to check that
>> +	/* For exercising drm_mm_reserve_node(), we want to check that
>>   	 * reservations outside of the drm_mm range are rejected, and to
>>   	 * overlapping and otherwise already occupied ranges. Afterwards,
>>   	 * the tree and nodes should be intact.
>> @@ -463,7 +463,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>>   	return ret;
>>   }
>>   
>> -static void igt_mm_reserve(struct kunit *test)
>> +static void drm_mm_reserve(struct kunit *test)
>>   {
>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>   	int n;
>> @@ -471,9 +471,9 @@ static void igt_mm_reserve(struct kunit *test)
>>   	for_each_prime_number_from(n, 1, 54) {
>>   		u64 size = BIT_ULL(n);
>>   
>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size - 1));
>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size));
>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size + 1));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size - 1));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size + 1));
>>   
>>   		cond_resched();
>>   	}
>> @@ -524,7 +524,7 @@ static bool expect_insert_fail(struct kunit *test, struct drm_mm *mm, u64 size)
>>   	return false;
>>   }
>>   
>> -static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>> +static int __drm_mm_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	const struct insert_mode *mode;
>> @@ -660,7 +660,7 @@ static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool r
>>   	return ret;
>>   }
>>   
>> -static void igt_mm_insert(struct kunit *test)
>> +static void drm_mm_insert(struct kunit *test)
>>   {
>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>   	unsigned int n;
>> @@ -668,20 +668,20 @@ static void igt_mm_insert(struct kunit *test)
>>   	for_each_prime_number_from(n, 1, 54) {
>>   		u64 size = BIT_ULL(n);
>>   
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, false));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, false));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, false));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, false));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, false));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, false));
>>   
>>   		cond_resched();
>>   	}
>>   }
>>   
>> -static void igt_mm_replace(struct kunit *test)
>> +static void drm_mm_replace(struct kunit *test)
>>   {
>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>   	unsigned int n;
>>   
>> -	/* Reuse igt_insert to exercise replacement by inserting a dummy node,
>> +	/* Reuse __drm_mm_insert to exercise replacement by inserting a dummy node,
>>   	 * then replacing it with the intended node. We want to check that
>>   	 * the tree is intact and all the information we need is carried
>>   	 * across to the target node.
>> @@ -690,9 +690,9 @@ static void igt_mm_replace(struct kunit *test)
>>   	for_each_prime_number_from(n, 1, 54) {
>>   		u64 size = BIT_ULL(n);
>>   
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, true));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, true));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, true));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, true));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, true));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, true));
>>   
>>   		cond_resched();
>>   	}
>> @@ -808,7 +808,8 @@ static bool assert_contiguous_in_range(struct kunit *test, struct drm_mm *mm,
>>   	return true;
>>   }
>>   
>> -static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size, u64 start, u64 end)
>> +static int __drm_mm_insert_range(struct kunit *test, unsigned int count, u64 size,
>> +				 u64 start, u64 end)
>>   {
>>   	const struct insert_mode *mode;
>>   	struct drm_mm mm;
>> @@ -820,7 +821,7 @@ static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size,
>>   	DRM_MM_BUG_ON(!size);
>>   	DRM_MM_BUG_ON(end <= start);
>>   
>> -	/* Very similar to __igt_insert(struct kunit *test, ), but now instead of populating the
>> +	/* Very similar to __drm_mm_insert(), but now instead of populating the
>>   	 * full range of the drm_mm, we try to fill a small portion of it.
>>   	 */
>>   
>> @@ -921,7 +922,7 @@ static int insert_outside_range(struct kunit *test)
>>   	return 0;
>>   }
>>   
>> -static void igt_mm_insert_range(struct kunit *test)
>> +static void drm_mm_insert_range(struct kunit *test)
>>   {
>>   	const unsigned int count = min_t(unsigned int, BIT(13), max_iterations);
>>   	unsigned int n;
>> @@ -933,21 +934,21 @@ static void igt_mm_insert_range(struct kunit *test)
>>   		const u64 size = BIT_ULL(n);
>>   		const u64 max = count * size;
>>   
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 1, max));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max - 1));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max / 2));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, max / 2, max / 2));
>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size,
>> -							    max / 4 + 1, 3 * max / 4 - 1));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 1, max));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max - 1));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max / 2));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
>> +							       max / 2, max / 2));
>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
>> +							       max / 4 + 1, 3 * max / 4 - 1));
>>   
>>   		cond_resched();
>>   	}
>>   }
>>   
>> -static int prepare_igt_frag(struct kunit *test, struct drm_mm *mm,
>> -			    struct drm_mm_node *nodes, unsigned int num_insert,
>> -			    const struct insert_mode *mode)
>> +static int prepare_frag(struct kunit *test, struct drm_mm *mm, struct drm_mm_node *nodes,
>> +			unsigned int num_insert, const struct insert_mode *mode)
>>   {
>>   	unsigned int size = 4096;
>>   	unsigned int i;
>> @@ -987,7 +988,7 @@ static u64 get_insert_time(struct kunit *test, struct drm_mm *mm,
>>   	return ktime_to_ns(ktime_sub(ktime_get(), start));
>>   }
>>   
>> -static void igt_mm_frag(struct kunit *test)
>> +static void drm_mm_frag(struct kunit *test)
>>   {
>>   	struct drm_mm mm;
>>   	const struct insert_mode *mode;
>> @@ -997,15 +998,15 @@ static void igt_mm_frag(struct kunit *test)
>>   
>>   	/* We need 4 * insert_size nodes to hold intermediate allocated
>>   	 * drm_mm nodes.
>> -	 * 1 times for prepare_igt_frag(struct kunit *test, )
>> -	 * 1 times for get_insert_time(struct kunit *test, )
>> -	 * 2 times for get_insert_time(struct kunit *test, )
>> +	 * 1 times for prepare_frag()
>> +	 * 1 times for get_insert_time()
>> +	 * 2 times for get_insert_time()
>>   	 */
>>   	nodes = vzalloc(array_size(insert_size * 4, sizeof(*nodes)));
>>   	KUNIT_ASSERT_TRUE(test, nodes);
>>   
>>   	/* For BOTTOMUP and TOPDOWN, we first fragment the
>> -	 * address space using prepare_igt_frag(struct kunit *test, ) and then try to verify
>> +	 * address space using prepare_frag() and then try to verify
>>   	 * that insertions scale quadratically from 10k to 20k insertions
>>   	 */
>>   	drm_mm_init(&mm, 1, U64_MAX - 2);
>> @@ -1016,7 +1017,7 @@ static void igt_mm_frag(struct kunit *test)
>>   		    mode->mode != DRM_MM_INSERT_HIGH)
>>   			continue;
>>   
>> -		if (prepare_igt_frag(test, &mm, nodes, insert_size, mode))
>> +		if (prepare_frag(test, &mm, nodes, insert_size, mode))
>>   			goto err;
>>   
>>   		insert_time1 = get_insert_time(test, &mm, insert_size,
>> @@ -1049,7 +1050,7 @@ static void igt_mm_frag(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void igt_mm_align(struct kunit *test)
>> +static void drm_mm_align(struct kunit *test)
>>   {
>>   	const struct insert_mode *mode;
>>   	const unsigned int max_count = min(8192u, max_prime);
>> @@ -1096,7 +1097,7 @@ static void igt_mm_align(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void igt_align_pot(struct kunit *test, int max)
>> +static void drm_mm_align_pot(struct kunit *test, int max)
>>   {
>>   	struct drm_mm mm;
>>   	struct drm_mm_node *node, *next;
>> @@ -1133,14 +1134,14 @@ static void igt_align_pot(struct kunit *test, int max)
>>   	drm_mm_takedown(&mm);
>>   }
>>   
>> -static void igt_mm_align32(struct kunit *test)
>> +static void drm_mm_align32(struct kunit *test)
>>   {
>> -	igt_align_pot(test, 32);
>> +	drm_mm_align_pot(test, 32);
>>   }
>>   
>> -static void igt_mm_align64(struct kunit *test)
>> +static void drm_mm_align64(struct kunit *test)
>>   {
>> -	igt_align_pot(test, 64);
>> +	drm_mm_align_pot(test, 64);
>>   }
>>   
>>   static void show_scan(struct kunit *test, const struct drm_mm_scan *scan)
>> @@ -1386,7 +1387,7 @@ static int evict_something(struct kunit *test, struct drm_mm *mm,
>>   	return 0;
>>   }
>>   
>> -static void igt_mm_evict(struct kunit *test)
>> +static void drm_mm_evict(struct kunit *test)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	const unsigned int size = 8192;
>> @@ -1477,7 +1478,7 @@ static void igt_mm_evict(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void igt_mm_evict_range(struct kunit *test)
>> +static void drm_mm_evict_range(struct kunit *test)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	const unsigned int size = 8192;
>> @@ -1490,7 +1491,7 @@ static void igt_mm_evict_range(struct kunit *test)
>>   	struct drm_mm_node *node, *next;
>>   	unsigned int *order, n;
>>   
>> -	/* Like igt_evict() but now we are limiting the search to a
>> +	/* Like drm_mm_evict() but now we are limiting the search to a
>>   	 * small portion of the full drm_mm.
>>   	 */
>>   
>> @@ -1564,7 +1565,7 @@ static unsigned int node_index(const struct drm_mm_node *node)
>>   	return div64_u64(node->start, node->size);
>>   }
>>   
>> -static void igt_mm_topdown(struct kunit *test)
>> +static void drm_mm_topdown(struct kunit *test)
>>   {
>>   	const struct insert_mode *topdown = &insert_modes[TOPDOWN];
>>   
>> @@ -1671,7 +1672,7 @@ static void igt_mm_topdown(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void igt_mm_bottomup(struct kunit *test)
>> +static void drm_mm_bottomup(struct kunit *test)
>>   {
>>   	const struct insert_mode *bottomup = &insert_modes[BOTTOMUP];
>>   
>> @@ -1683,7 +1684,7 @@ static void igt_mm_bottomup(struct kunit *test)
>>   	struct drm_mm_node *nodes, *node, *next;
>>   	unsigned int *order, n, m, o = 0;
>>   
>> -	/* Like igt_topdown, but instead of searching for the last hole,
>> +	/* Like drm_mm_topdown, but instead of searching for the last hole,
>>   	 * we search for the first.
>>   	 */
>>   
>> @@ -1763,7 +1764,7 @@ static void igt_mm_bottomup(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void __igt_once(struct kunit *test, unsigned int mode)
>> +static void __drm_mm_once(struct kunit *test, unsigned int mode)
>>   {
>>   	struct drm_mm mm;
>>   	struct drm_mm_node rsvd_lo, rsvd_hi, node;
>> @@ -1806,14 +1807,14 @@ static void __igt_once(struct kunit *test, unsigned int mode)
>>   	drm_mm_takedown(&mm);
>>   }
>>   
>> -static void igt_mm_lowest(struct kunit *test)
>> +static void drm_mm_lowest(struct kunit *test)
>>   {
>> -	__igt_once(test, DRM_MM_INSERT_LOW);
>> +	__drm_mm_once(test, DRM_MM_INSERT_LOW);
>>   }
>>   
>> -static void igt_mm_highest(struct kunit *test)
>> +static void drm_mm_highest(struct kunit *test)
>>   {
>> -	__igt_once(test, DRM_MM_INSERT_HIGH);
>> +	__drm_mm_once(test, DRM_MM_INSERT_HIGH);
>>   }
>>   
>>   static void separate_adjacent_colors(const struct drm_mm_node *node,
>> @@ -1842,7 +1843,7 @@ static bool colors_abutt(struct kunit *test, const struct drm_mm_node *node)
>>   	return false;
>>   }
>>   
>> -static void igt_mm_color(struct kunit *test)
>> +static void drm_mm_color(struct kunit *test)
>>   {
>>   	const unsigned int count = min(4096u, max_iterations);
>>   	const struct insert_mode *mode;
>> @@ -2041,7 +2042,7 @@ static int evict_color(struct kunit *test, struct drm_mm *mm, u64 range_start,
>>   	return 0;
>>   }
>>   
>> -static void igt_mm_color_evict(struct kunit *test)
>> +static void drm_mm_color_evict(struct kunit *test)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	const unsigned int total_size = min(8192u, max_iterations);
>> @@ -2122,7 +2123,7 @@ static void igt_mm_color_evict(struct kunit *test)
>>   	vfree(nodes);
>>   }
>>   
>> -static void igt_mm_color_evict_range(struct kunit *test)
>> +static void drm_mm_color_evict_range(struct kunit *test)
>>   {
>>   	DRM_RND_STATE(prng, random_seed);
>>   	const unsigned int total_size = 8192;
>> @@ -2136,7 +2137,7 @@ static void igt_mm_color_evict_range(struct kunit *test)
>>   	struct drm_mm_node *node, *next;
>>   	unsigned int *order, n;
>>   
>> -	/* Like igt_color_evict(), but limited to small portion of the full
>> +	/* Like drm_mm_color_evict(), but limited to small portion of the full
>>   	 * drm_mm range.
>>   	 */
>>   
>> @@ -2221,25 +2222,25 @@ module_param(max_iterations, uint, 0400);
>>   module_param(max_prime, uint, 0400);
>>   
>>   static struct kunit_case drm_mm_tests[] = {
>> -	KUNIT_CASE(igt_mm_init),
>> -	KUNIT_CASE(igt_mm_debug),
>> -	KUNIT_CASE(igt_mm_reserve),
>> -	KUNIT_CASE(igt_mm_insert),
>> -	KUNIT_CASE(igt_mm_replace),
>> -	KUNIT_CASE(igt_mm_insert_range),
>> -	KUNIT_CASE(igt_mm_frag),
>> -	KUNIT_CASE(igt_mm_align),
>> -	KUNIT_CASE(igt_mm_align32),
>> -	KUNIT_CASE(igt_mm_align64),
>> -	KUNIT_CASE(igt_mm_evict),
>> -	KUNIT_CASE(igt_mm_evict_range),
>> -	KUNIT_CASE(igt_mm_topdown),
>> -	KUNIT_CASE(igt_mm_bottomup),
>> -	KUNIT_CASE(igt_mm_lowest),
>> -	KUNIT_CASE(igt_mm_highest),
>> -	KUNIT_CASE(igt_mm_color),
>> -	KUNIT_CASE(igt_mm_color_evict),
>> -	KUNIT_CASE(igt_mm_color_evict_range),
>> +	KUNIT_CASE(drm_mm_check_init),
>> +	KUNIT_CASE(drm_mm_debug),
>> +	KUNIT_CASE(drm_mm_reserve),
>> +	KUNIT_CASE(drm_mm_insert),
>> +	KUNIT_CASE(drm_mm_replace),
>> +	KUNIT_CASE(drm_mm_insert_range),
>> +	KUNIT_CASE(drm_mm_frag),
>> +	KUNIT_CASE(drm_mm_align),
>> +	KUNIT_CASE(drm_mm_align32),
>> +	KUNIT_CASE(drm_mm_align64),
>> +	KUNIT_CASE(drm_mm_evict),
>> +	KUNIT_CASE(drm_mm_evict_range),
>> +	KUNIT_CASE(drm_mm_topdown),
>> +	KUNIT_CASE(drm_mm_bottomup),
>> +	KUNIT_CASE(drm_mm_lowest),
>> +	KUNIT_CASE(drm_mm_highest),
>> +	KUNIT_CASE(drm_mm_color),
>> +	KUNIT_CASE(drm_mm_color_evict),
>> +	KUNIT_CASE(drm_mm_color_evict_range),
>>   	{}
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
>> index be6cff0020ed..90843395fd28 100644
>> --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
>> +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
>> @@ -73,7 +73,7 @@ static bool check_crtc_eq(struct drm_plane_state *plane_state,
>>   	return true;
>>   }
>>   
>> -static void igt_check_plane_state(struct kunit *test)
>> +static void drm_check_plane_state_desc(struct kunit *test)
>>   {
>>   	int ret;
>>   
>> @@ -223,7 +223,7 @@ static void igt_check_plane_state(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_plane_helper_test[] = {
>> -	KUNIT_CASE(igt_check_plane_state),
>> +	KUNIT_CASE(drm_check_plane_state_desc),
>>   	{}
>>   };
>>   
>> diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
>> index c1dbefd49a4c..a1a94781862f 100644
>> --- a/drivers/gpu/drm/tests/drm_rect_test.c
>> +++ b/drivers/gpu/drm/tests/drm_rect_test.c
>> @@ -9,7 +9,7 @@
>>   
>>   #include <drm/drm_rect.h>
>>   
>> -static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>> +static void drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>>   {
>>   	struct drm_rect src, dst, clip;
>>   	bool visible;
>> @@ -35,7 +35,7 @@ static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>>   	KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
>>   }
>>   
>> -static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>> +static void drm_rect_clip_scaled_not_clipped(struct kunit *test)
>>   {
>>   	struct drm_rect src, dst, clip;
>>   	bool visible;
>> @@ -83,7 +83,7 @@ static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>>   	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>>   }
>>   
>> -static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>> +static void drm_rect_clip_scaled_clipped(struct kunit *test)
>>   {
>>   	struct drm_rect src, dst, clip;
>>   	bool visible;
>> @@ -173,7 +173,7 @@ static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>>   	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>>   }
>>   
>> -static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>> +static void drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>>   {
>>   	struct drm_rect src, dst, clip;
>>   	bool visible;
>> @@ -197,10 +197,10 @@ static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>>   }
>>   
>>   static struct kunit_case drm_rect_tests[] = {
>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
>> +	KUNIT_CASE(drm_rect_clip_scaled_div_by_zero),
>> +	KUNIT_CASE(drm_rect_clip_scaled_not_clipped),
>> +	KUNIT_CASE(drm_rect_clip_scaled_clipped),
>> +	KUNIT_CASE(drm_rect_clip_scaled_signed_vs_unsigned),
>>   	{ }
>>   };
>
Jani Nikula Aug. 31, 2022, 5:39 p.m. UTC | #3
On Wed, 31 Aug 2022, Maíra Canal <mairacanal@riseup.net> wrote:
> Hi Jani
>
> On 8/31/22 06:30, Jani Nikula wrote:
>> On Tue, 30 Aug 2022, Maíra Canal <mairacanal@riseup.net> wrote:
>>> With the introduction of KUnit, IGT is no longer the only option to run
>>> the DRM unit tests, as the tests can be run through kunit-tool or on
>>> real hardware with CONFIG_KUNIT.
>>>
>>> Therefore, remove the "igt_" prefix from the tests and replace it with
>>> the "drm_" prefix, making the tests' names independent from the tool
>>> used.
>> 
>> No strong feelings, but I wonder if having a prefix indicating it's a
>> test would be helpful to avoid any name clashes. As is, the drm_
>> prefixed names introduced here smell like regular drm functions, and
>> will also pop up in any code tagging tools such as cscope or GNU global.
>> 
>
> Does "drm_test_" sounds like a better prefix? I agree that "drm_" can 
> sound a bit confusing.

Again, no strong feelings, but that does seem better to me than just
drm_.

Thanks,
Jani.


>
> Best Regards,
> - Maíra Canal
>
>> BR,
>> Jani.
>> 
>> 
>>>
>>> Signed-off-by: Maíra Canal <mairacanal@riseup.net>
>>> ---
>>>   drivers/gpu/drm/tests/drm_buddy_test.c        |  84 +++++-----
>>>   .../gpu/drm/tests/drm_damage_helper_test.c    |  84 +++++-----
>>>   .../gpu/drm/tests/drm_dp_mst_helper_test.c    |   8 +-
>>>   .../gpu/drm/tests/drm_format_helper_test.c    |   8 +-
>>>   drivers/gpu/drm/tests/drm_format_test.c       |  20 +--
>>>   drivers/gpu/drm/tests/drm_mm_test.c           | 155 +++++++++---------
>>>   drivers/gpu/drm/tests/drm_plane_helper_test.c |   4 +-
>>>   drivers/gpu/drm/tests/drm_rect_test.c         |  16 +-
>>>   8 files changed, 190 insertions(+), 189 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
>>> index d76f83833e75..a9393d788390 100644
>>> --- a/drivers/gpu/drm/tests/drm_buddy_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
>>> @@ -13,7 +13,7 @@
>>>   
>>>   #include "../lib/drm_random.h"
>>>   
>>> -#define IGT_TIMEOUT(name__)                                                    \
>>> +#define TIMEOUT(name__)								\
>>>   	unsigned long name__ = jiffies + MAX_SCHEDULE_TIMEOUT
>>>   
>>>   static unsigned int random_seed;
>>> @@ -24,7 +24,7 @@ static inline u64 get_size(int order, u64 chunk_size)
>>>   }
>>>   
>>>   __printf(2, 3)
>>> -static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>>> +static bool __timeout(unsigned long timeout, const char *fmt, ...)
>>>   {
>>>   	va_list va;
>>>   
>>> @@ -43,8 +43,8 @@ static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>>>   	return true;
>>>   }
>>>   
>>> -static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>>> -			     struct drm_buddy_block *block, bool buddy)
>>> +static void __dump_block(struct kunit *test, struct drm_buddy *mm,
>>> +			 struct drm_buddy_block *block, bool buddy)
>>>   {
>>>   	kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=%d\n",
>>>   		  block->header, drm_buddy_block_state(block),
>>> @@ -52,20 +52,20 @@ static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>>>   			  drm_buddy_block_size(mm, block), !block->parent, buddy);
>>>   }
>>>   
>>> -static void igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>>> -			   struct drm_buddy_block *block)
>>> +static void dump_block(struct kunit *test, struct drm_buddy *mm,
>>> +		       struct drm_buddy_block *block)
>>>   {
>>>   	struct drm_buddy_block *buddy;
>>>   
>>> -	__igt_dump_block(test, mm, block, false);
>>> +	__dump_block(test, mm, block, false);
>>>   
>>>   	buddy = drm_get_buddy(block);
>>>   	if (buddy)
>>> -		__igt_dump_block(test, mm, buddy, true);
>>> +		__dump_block(test, mm, buddy, true);
>>>   }
>>>   
>>> -static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>>> -			   struct drm_buddy_block *block)
>>> +static int check_block(struct kunit *test, struct drm_buddy *mm,
>>> +		       struct drm_buddy_block *block)
>>>   {
>>>   	struct drm_buddy_block *buddy;
>>>   	unsigned int block_state;
>>> @@ -137,8 +137,8 @@ static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>>>   	return err;
>>>   }
>>>   
>>> -static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>>> -			    struct list_head *blocks, u64 expected_size, bool is_contiguous)
>>> +static int check_blocks(struct kunit *test, struct drm_buddy *mm,
>>> +			struct list_head *blocks, u64 expected_size, bool is_contiguous)
>>>   {
>>>   	struct drm_buddy_block *block;
>>>   	struct drm_buddy_block *prev;
>>> @@ -150,7 +150,7 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>>>   	total = 0;
>>>   
>>>   	list_for_each_entry(block, blocks, link) {
>>> -		err = igt_check_block(test, mm, block);
>>> +		err = check_block(test, mm, block);
>>>   
>>>   		if (!drm_buddy_block_is_allocated(block)) {
>>>   			kunit_err(test, "block not allocated\n");
>>> @@ -190,16 +190,16 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>>>   
>>>   	if (prev) {
>>>   		kunit_err(test, "prev block, dump:\n");
>>> -		igt_dump_block(test, mm, prev);
>>> +		dump_block(test, mm, prev);
>>>   	}
>>>   
>>>   	kunit_err(test, "bad block, dump:\n");
>>> -	igt_dump_block(test, mm, block);
>>> +	dump_block(test, mm, block);
>>>   
>>>   	return err;
>>>   }
>>>   
>>> -static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>>> +static int check_mm(struct kunit *test, struct drm_buddy *mm)
>>>   {
>>>   	struct drm_buddy_block *root;
>>>   	struct drm_buddy_block *prev;
>>> @@ -233,7 +233,7 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>>>   			break;
>>>   		}
>>>   
>>> -		err = igt_check_block(test, mm, root);
>>> +		err = check_block(test, mm, root);
>>>   
>>>   		if (!drm_buddy_block_is_free(root)) {
>>>   			kunit_err(test, "root not free\n");
>>> @@ -289,18 +289,18 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>>>   
>>>   	if (prev) {
>>>   		kunit_err(test, "prev root(%u), dump:\n", i - 1);
>>> -		igt_dump_block(test, mm, prev);
>>> +		dump_block(test, mm, prev);
>>>   	}
>>>   
>>>   	if (root) {
>>>   		kunit_err(test, "bad root(%u), dump:\n", i);
>>> -		igt_dump_block(test, mm, root);
>>> +		dump_block(test, mm, root);
>>>   	}
>>>   
>>>   	return err;
>>>   }
>>>   
>>> -static void igt_mm_config(u64 *size, u64 *chunk_size)
>>> +static void mm_config(u64 *size, u64 *chunk_size)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	u32 s, ms;
>>> @@ -321,7 +321,7 @@ static void igt_mm_config(u64 *size, u64 *chunk_size)
>>>   	*size = (u64)s << 12;
>>>   }
>>>   
>>> -static void igt_buddy_alloc_pathological(struct kunit *test)
>>> +static void drm_buddy_alloc_pathological(struct kunit *test)
>>>   {
>>>   	u64 mm_size, size, start = 0;
>>>   	struct drm_buddy_block *block;
>>> @@ -402,7 +402,7 @@ static void igt_buddy_alloc_pathological(struct kunit *test)
>>>   	drm_buddy_fini(&mm);
>>>   }
>>>   
>>> -static void igt_buddy_alloc_smoke(struct kunit *test)
>>> +static void drm_buddy_alloc_smoke(struct kunit *test)
>>>   {
>>>   	u64 mm_size, chunk_size, start = 0;
>>>   	unsigned long flags = 0;
>>> @@ -411,9 +411,9 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>>   	int i;
>>>   
>>>   	DRM_RND_STATE(prng, random_seed);
>>> -	IGT_TIMEOUT(end_time);
>>> +	TIMEOUT(end_time);
>>>   
>>> -	igt_mm_config(&mm_size, &chunk_size);
>>> +	mm_config(&mm_size, &chunk_size);
>>>   
>>>   	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, chunk_size),
>>>   			       "buddy_init failed\n");
>>> @@ -430,7 +430,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>>   		LIST_HEAD(tmp);
>>>   		int order, err;
>>>   
>>> -		KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
>>> +		KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>>>   				       "pre-mm check failed, abort\n");
>>>   
>>>   		order = max_order;
>>> @@ -466,19 +466,19 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>>   
>>>   			total += drm_buddy_block_size(&mm, block);
>>>   
>>> -			if (__igt_timeout(end_time, NULL)) {
>>> +			if (__timeout(end_time, NULL)) {
>>>   				timeout = true;
>>>   				break;
>>>   			}
>>>   		} while (total < mm.size);
>>>   
>>>   		if (!err)
>>> -			err = igt_check_blocks(test, &mm, &blocks, total, false);
>>> +			err = check_blocks(test, &mm, &blocks, total, false);
>>>   
>>>   		drm_buddy_free_list(&mm, &blocks);
>>>   
>>>   		if (!err) {
>>> -			KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm),
>>> +			KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm),
>>>   					       "post-mm check failed\n");
>>>   		}
>>>   
>>> @@ -492,7 +492,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>>>   	drm_buddy_fini(&mm);
>>>   }
>>>   
>>> -static void igt_buddy_alloc_pessimistic(struct kunit *test)
>>> +static void drm_buddy_alloc_pessimistic(struct kunit *test)
>>>   {
>>>   	u64 mm_size, size, start = 0;
>>>   	struct drm_buddy_block *block, *bn;
>>> @@ -587,7 +587,7 @@ static void igt_buddy_alloc_pessimistic(struct kunit *test)
>>>   	drm_buddy_fini(&mm);
>>>   }
>>>   
>>> -static void igt_buddy_alloc_optimistic(struct kunit *test)
>>> +static void drm_buddy_alloc_optimistic(struct kunit *test)
>>>   {
>>>   	u64 mm_size, size, start = 0;
>>>   	struct drm_buddy_block *block;
>>> @@ -633,7 +633,7 @@ static void igt_buddy_alloc_optimistic(struct kunit *test)
>>>   	drm_buddy_fini(&mm);
>>>   }
>>>   
>>> -static void igt_buddy_alloc_range(struct kunit *test)
>>> +static void drm_buddy_alloc_range(struct kunit *test)
>>>   {
>>>   	unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION;
>>>   	u64 offset, size, rem, chunk_size, end;
>>> @@ -641,12 +641,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>>   	struct drm_buddy mm;
>>>   	LIST_HEAD(blocks);
>>>   
>>> -	igt_mm_config(&size, &chunk_size);
>>> +	mm_config(&size, &chunk_size);
>>>   
>>>   	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, size, chunk_size),
>>>   			       "buddy_init failed");
>>>   
>>> -	KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
>>> +	KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>>>   			       "pre-mm check failed, abort!");
>>>   
>>>   	rem = mm.size;
>>> @@ -671,7 +671,7 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>>   				    "alloc_range start offset mismatch, found=%llx, expected=%llx\n",
>>>   							drm_buddy_block_offset(block), offset);
>>>   
>>> -		KUNIT_ASSERT_FALSE(test, igt_check_blocks(test, &mm, &tmp, size, true));
>>> +		KUNIT_ASSERT_FALSE(test, check_blocks(test, &mm, &tmp, size, true));
>>>   
>>>   		list_splice_tail(&tmp, &blocks);
>>>   
>>> @@ -686,12 +686,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>>>   
>>>   	drm_buddy_free_list(&mm, &blocks);
>>>   
>>> -	KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm), "post-mm check failed\n");
>>> +	KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm), "post-mm check failed\n");
>>>   
>>>   	drm_buddy_fini(&mm);
>>>   }
>>>   
>>> -static void igt_buddy_alloc_limit(struct kunit *test)
>>> +static void drm_buddy_alloc_limit(struct kunit *test)
>>>   {
>>>   	u64 size = U64_MAX, start = 0;
>>>   	struct drm_buddy_block *block;
>>> @@ -735,12 +735,12 @@ static int drm_buddy_init_test(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_buddy_tests[] = {
>>> -	KUNIT_CASE(igt_buddy_alloc_limit),
>>> -	KUNIT_CASE(igt_buddy_alloc_range),
>>> -	KUNIT_CASE(igt_buddy_alloc_optimistic),
>>> -	KUNIT_CASE(igt_buddy_alloc_pessimistic),
>>> -	KUNIT_CASE(igt_buddy_alloc_smoke),
>>> -	KUNIT_CASE(igt_buddy_alloc_pathological),
>>> +	KUNIT_CASE(drm_buddy_alloc_limit),
>>> +	KUNIT_CASE(drm_buddy_alloc_range),
>>> +	KUNIT_CASE(drm_buddy_alloc_optimistic),
>>> +	KUNIT_CASE(drm_buddy_alloc_pessimistic),
>>> +	KUNIT_CASE(drm_buddy_alloc_smoke),
>>> +	KUNIT_CASE(drm_buddy_alloc_pathological),
>>>   	{}
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_damage_helper_test.c b/drivers/gpu/drm/tests/drm_damage_helper_test.c
>>> index bf250bd08d7e..91005b051c5c 100644
>>> --- a/drivers/gpu/drm/tests/drm_damage_helper_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_damage_helper_test.c
>>> @@ -111,7 +111,7 @@ static void check_damage_clip(struct kunit *test, struct drm_rect *r,
>>>   			   r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage(struct kunit *test)
>>> +static void drm_damage_iter_no_damage(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -129,7 +129,7 @@ static void igt_damage_iter_no_damage(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 0, 0, 2048, 2048);
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_fractional_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -150,7 +150,7 @@ static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_src_moved(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -169,7 +169,7 @@ static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -189,7 +189,7 @@ static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_not_visible(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -207,7 +207,7 @@ static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_no_crtc(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -225,7 +225,7 @@ static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>>   }
>>>   
>>> -static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>>> +static void drm_damage_iter_no_damage_no_fb(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -243,7 +243,7 @@ static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>>   }
>>>   
>>> -static void igt_damage_iter_simple_damage(struct kunit *test)
>>> +static void drm_damage_iter_simple_damage(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -266,7 +266,7 @@ static void igt_damage_iter_simple_damage(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 0, 0, 1024, 768);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage(struct kunit *test)
>>> +static void drm_damage_iter_single_damage(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -288,7 +288,7 @@ static void igt_damage_iter_single_damage(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 256, 192, 768, 576);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_intersect_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -311,7 +311,7 @@ static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 256, 192, 1024, 768);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_outside_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -333,7 +333,7 @@ static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_fractional_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -358,7 +358,7 @@ static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 10, 10, 256, 330);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -385,7 +385,7 @@ static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit
>>>   	check_damage_clip(test, &clip, 10, 4, 1029, 330);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -410,7 +410,7 @@ static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *t
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_src_moved(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -435,7 +435,7 @@ static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 10, 10, 1034, 778);
>>>   }
>>>   
>>> -static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>>> +static void drm_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -462,7 +462,7 @@ static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *tes
>>>   	check_damage_clip(test, &clip, 4, 4, 1029, 773);
>>>   }
>>>   
>>> -static void igt_damage_iter_damage(struct kunit *test)
>>> +static void drm_damage_iter_damage(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -490,7 +490,7 @@ static void igt_damage_iter_damage(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>>>   }
>>>   
>>> -static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>>> +static void drm_damage_iter_damage_one_intersect(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -520,7 +520,7 @@ static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>>>   }
>>>   
>>> -static void igt_damage_iter_damage_one_outside(struct kunit *test)
>>> +static void drm_damage_iter_damage_one_outside(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -544,7 +544,7 @@ static void igt_damage_iter_damage_one_outside(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 240, 200, 280, 250);
>>>   }
>>>   
>>> -static void igt_damage_iter_damage_src_moved(struct kunit *test)
>>> +static void drm_damage_iter_damage_src_moved(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -571,7 +571,7 @@ static void igt_damage_iter_damage_src_moved(struct kunit *test)
>>>   	check_damage_clip(test, &clip, 3, 3, 1028, 772);
>>>   }
>>>   
>>> -static void igt_damage_iter_damage_not_visible(struct kunit *test)
>>> +static void drm_damage_iter_damage_not_visible(struct kunit *test)
>>>   {
>>>   	struct drm_damage_mock *mock = test->priv;
>>>   	struct drm_atomic_helper_damage_iter iter;
>>> @@ -599,27 +599,27 @@ static void igt_damage_iter_damage_not_visible(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_damage_helper_tests[] = {
>>> -	KUNIT_CASE(igt_damage_iter_no_damage),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_src_moved),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_not_visible),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_no_crtc),
>>> -	KUNIT_CASE(igt_damage_iter_no_damage_no_fb),
>>> -	KUNIT_CASE(igt_damage_iter_simple_damage),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_src),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_src),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_src_moved),
>>> -	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved),
>>> -	KUNIT_CASE(igt_damage_iter_damage),
>>> -	KUNIT_CASE(igt_damage_iter_damage_one_intersect),
>>> -	KUNIT_CASE(igt_damage_iter_damage_one_outside),
>>> -	KUNIT_CASE(igt_damage_iter_damage_src_moved),
>>> -	KUNIT_CASE(igt_damage_iter_damage_not_visible),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_src_moved),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src_moved),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_not_visible),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_no_crtc),
>>> +	KUNIT_CASE(drm_damage_iter_no_damage_no_fb),
>>> +	KUNIT_CASE(drm_damage_iter_simple_damage),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_src),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_src),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_intersect_fractional_src),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_outside_fractional_src),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_src_moved),
>>> +	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src_moved),
>>> +	KUNIT_CASE(drm_damage_iter_damage),
>>> +	KUNIT_CASE(drm_damage_iter_damage_one_intersect),
>>> +	KUNIT_CASE(drm_damage_iter_damage_one_outside),
>>> +	KUNIT_CASE(drm_damage_iter_damage_src_moved),
>>> +	KUNIT_CASE(drm_damage_iter_damage_not_visible),
>>>   	{ }
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>>> index 1d2fade56227..88fc661b5559 100644
>>> --- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
>>> @@ -16,7 +16,7 @@
>>>   
>>>   #include "../display/drm_dp_mst_topology_internal.h"
>>>   
>>> -static void igt_dp_mst_calc_pbn_mode(struct kunit *test)
>>> +static void drm_dp_mst_calc_pbn_mode(struct kunit *test)
>>>   {
>>>   	int pbn, i;
>>>   	const struct {
>>> @@ -177,7 +177,7 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
>>>   	return result;
>>>   }
>>>   
>>> -static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>>> +static void drm_dp_mst_sideband_msg_req_decode(struct kunit *test)
>>>   {
>>>   	struct drm_dp_sideband_msg_req_body in = { 0 };
>>>   	u8 data[] = { 0xff, 0x0, 0xdd };
>>> @@ -271,8 +271,8 @@ static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_dp_mst_helper_tests[] = {
>>> -	KUNIT_CASE(igt_dp_mst_calc_pbn_mode),
>>> -	KUNIT_CASE(igt_dp_mst_sideband_msg_req_decode),
>>> +	KUNIT_CASE(drm_dp_mst_calc_pbn_mode),
>>> +	KUNIT_CASE(drm_dp_mst_sideband_msg_req_decode),
>>>   	{ }
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
>>> index 828487071796..322240d7fceb 100644
>>> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
>>> @@ -192,7 +192,7 @@ static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
>>>   KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
>>>   		  convert_xrgb8888_case_desc);
>>>   
>>> -static void xrgb8888_to_rgb332_test(struct kunit *test)
>>> +static void drm_fb_xrgb8888_to_rgb332_test(struct kunit *test)
>>>   {
>>>   	const struct convert_xrgb8888_case *params = test->param_value;
>>>   	const struct convert_to_rgb332_result *result = &params->rgb332_result;
>>> @@ -222,7 +222,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
>>>   	KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
>>>   }
>>>   
>>> -static void xrgb8888_to_rgb565_test(struct kunit *test)
>>> +static void drm_fb_xrgb8888_to_rgb565_test(struct kunit *test)
>>>   {
>>>   	const struct convert_xrgb8888_case *params = test->param_value;
>>>   	const struct convert_to_rgb565_result *result = &params->rgb565_result;
>>> @@ -256,8 +256,8 @@ static void xrgb8888_to_rgb565_test(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_format_helper_test_cases[] = {
>>> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
>>> -	KUNIT_CASE_PARAM(xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>>> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
>>> +	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>>>   	{}
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c
>>> index afb4bca72187..ed8b4a2dd849 100644
>>> --- a/drivers/gpu/drm/tests/drm_format_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_format_test.c
>>> @@ -9,7 +9,7 @@
>>>   
>>>   #include <drm/drm_fourcc.h>
>>>   
>>> -static void igt_check_drm_format_block_width(struct kunit *test)
>>> +static void drm_format_block_width_test(struct kunit *test)
>>>   {
>>>   	const struct drm_format_info *info = NULL;
>>>   
>>> @@ -50,7 +50,7 @@ static void igt_check_drm_format_block_width(struct kunit *test)
>>>   	KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
>>>   }
>>>   
>>> -static void igt_check_drm_format_block_height(struct kunit *test)
>>> +static void drm_format_block_height_test(struct kunit *test)
>>>   {
>>>   	const struct drm_format_info *info = NULL;
>>>   
>>> @@ -91,7 +91,7 @@ static void igt_check_drm_format_block_height(struct kunit *test)
>>>   	KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
>>>   }
>>>   
>>> -static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>>> +static void drm_format_min_pitch_for_single_plane_test(struct kunit *test)
>>>   {
>>>   	const struct drm_format_info *info = NULL;
>>>   
>>> @@ -177,7 +177,7 @@ static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>>>   			(uint64_t)(UINT_MAX - 1) * 4);
>>>   }
>>>   
>>> -static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>>> +static void drm_format_min_pitch_for_multi_planar_test(struct kunit *test)
>>>   {
>>>   	const struct drm_format_info *info = NULL;
>>>   
>>> @@ -256,7 +256,7 @@ static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>>>   			(uint64_t)(UINT_MAX - 1) / 2);
>>>   }
>>>   
>>> -static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>>> +static void drm_format_min_pitch_for_tiled_format_test(struct kunit *test)
>>>   {
>>>   	const struct drm_format_info *info = NULL;
>>>   
>>> @@ -281,11 +281,11 @@ static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_format_tests[] = {
>>> -	KUNIT_CASE(igt_check_drm_format_block_width),
>>> -	KUNIT_CASE(igt_check_drm_format_block_height),
>>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_single_plane),
>>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_multi_planar),
>>> -	KUNIT_CASE(igt_check_drm_format_min_pitch_for_tiled_format),
>>> +	KUNIT_CASE(drm_format_block_width_test),
>>> +	KUNIT_CASE(drm_format_block_height_test),
>>> +	KUNIT_CASE(drm_format_min_pitch_for_single_plane_test),
>>> +	KUNIT_CASE(drm_format_min_pitch_for_multi_planar_test),
>>> +	KUNIT_CASE(drm_format_min_pitch_for_tiled_format_test),
>>>   	{ }
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
>>> index 1e2c1aa524bd..a50fd1ef2af5 100644
>>> --- a/drivers/gpu/drm/tests/drm_mm_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_mm_test.c
>>> @@ -191,7 +191,7 @@ static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm
>>>   	return ok;
>>>   }
>>>   
>>> -static void igt_mm_init(struct kunit *test)
>>> +static void drm_mm_check_init(struct kunit *test)
>>>   {
>>>   	const unsigned int size = 4096;
>>>   	struct drm_mm mm;
>>> @@ -245,7 +245,7 @@ static void igt_mm_init(struct kunit *test)
>>>   	drm_mm_takedown(&mm);
>>>   }
>>>   
>>> -static void igt_mm_debug(struct kunit *test)
>>> +static void drm_mm_debug(struct kunit *test)
>>>   {
>>>   	struct drm_mm mm;
>>>   	struct drm_mm_node nodes[2];
>>> @@ -341,7 +341,7 @@ static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
>>>   	return true;
>>>   }
>>>   
>>> -static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>>> +static int __drm_mm_reserve(struct kunit *test, unsigned int count, u64 size)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	struct drm_mm mm;
>>> @@ -349,7 +349,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>>>   	unsigned int *order, n, m, o = 0;
>>>   	int ret, err;
>>>   
>>> -	/* For exercising drm_mm_reserve_node(struct kunit *test, ), we want to check that
>>> +	/* For exercising drm_mm_reserve_node(), we want to check that
>>>   	 * reservations outside of the drm_mm range are rejected, and to
>>>   	 * overlapping and otherwise already occupied ranges. Afterwards,
>>>   	 * the tree and nodes should be intact.
>>> @@ -463,7 +463,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>>>   	return ret;
>>>   }
>>>   
>>> -static void igt_mm_reserve(struct kunit *test)
>>> +static void drm_mm_reserve(struct kunit *test)
>>>   {
>>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>>   	int n;
>>> @@ -471,9 +471,9 @@ static void igt_mm_reserve(struct kunit *test)
>>>   	for_each_prime_number_from(n, 1, 54) {
>>>   		u64 size = BIT_ULL(n);
>>>   
>>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size - 1));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size + 1));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size - 1));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size + 1));
>>>   
>>>   		cond_resched();
>>>   	}
>>> @@ -524,7 +524,7 @@ static bool expect_insert_fail(struct kunit *test, struct drm_mm *mm, u64 size)
>>>   	return false;
>>>   }
>>>   
>>> -static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>>> +static int __drm_mm_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	const struct insert_mode *mode;
>>> @@ -660,7 +660,7 @@ static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool r
>>>   	return ret;
>>>   }
>>>   
>>> -static void igt_mm_insert(struct kunit *test)
>>> +static void drm_mm_insert(struct kunit *test)
>>>   {
>>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>>   	unsigned int n;
>>> @@ -668,20 +668,20 @@ static void igt_mm_insert(struct kunit *test)
>>>   	for_each_prime_number_from(n, 1, 54) {
>>>   		u64 size = BIT_ULL(n);
>>>   
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, false));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, false));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, false));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, false));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, false));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, false));
>>>   
>>>   		cond_resched();
>>>   	}
>>>   }
>>>   
>>> -static void igt_mm_replace(struct kunit *test)
>>> +static void drm_mm_replace(struct kunit *test)
>>>   {
>>>   	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>>>   	unsigned int n;
>>>   
>>> -	/* Reuse igt_insert to exercise replacement by inserting a dummy node,
>>> +	/* Reuse __drm_mm_insert to exercise replacement by inserting a dummy node,
>>>   	 * then replacing it with the intended node. We want to check that
>>>   	 * the tree is intact and all the information we need is carried
>>>   	 * across to the target node.
>>> @@ -690,9 +690,9 @@ static void igt_mm_replace(struct kunit *test)
>>>   	for_each_prime_number_from(n, 1, 54) {
>>>   		u64 size = BIT_ULL(n);
>>>   
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, true));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, true));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, true));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, true));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, true));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, true));
>>>   
>>>   		cond_resched();
>>>   	}
>>> @@ -808,7 +808,8 @@ static bool assert_contiguous_in_range(struct kunit *test, struct drm_mm *mm,
>>>   	return true;
>>>   }
>>>   
>>> -static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size, u64 start, u64 end)
>>> +static int __drm_mm_insert_range(struct kunit *test, unsigned int count, u64 size,
>>> +				 u64 start, u64 end)
>>>   {
>>>   	const struct insert_mode *mode;
>>>   	struct drm_mm mm;
>>> @@ -820,7 +821,7 @@ static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size,
>>>   	DRM_MM_BUG_ON(!size);
>>>   	DRM_MM_BUG_ON(end <= start);
>>>   
>>> -	/* Very similar to __igt_insert(struct kunit *test, ), but now instead of populating the
>>> +	/* Very similar to __drm_mm_insert(), but now instead of populating the
>>>   	 * full range of the drm_mm, we try to fill a small portion of it.
>>>   	 */
>>>   
>>> @@ -921,7 +922,7 @@ static int insert_outside_range(struct kunit *test)
>>>   	return 0;
>>>   }
>>>   
>>> -static void igt_mm_insert_range(struct kunit *test)
>>> +static void drm_mm_insert_range(struct kunit *test)
>>>   {
>>>   	const unsigned int count = min_t(unsigned int, BIT(13), max_iterations);
>>>   	unsigned int n;
>>> @@ -933,21 +934,21 @@ static void igt_mm_insert_range(struct kunit *test)
>>>   		const u64 size = BIT_ULL(n);
>>>   		const u64 max = count * size;
>>>   
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 1, max));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max - 1));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max / 2));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, max / 2, max / 2));
>>> -		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size,
>>> -							    max / 4 + 1, 3 * max / 4 - 1));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 1, max));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max - 1));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max / 2));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
>>> +							       max / 2, max / 2));
>>> +		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
>>> +							       max / 4 + 1, 3 * max / 4 - 1));
>>>   
>>>   		cond_resched();
>>>   	}
>>>   }
>>>   
>>> -static int prepare_igt_frag(struct kunit *test, struct drm_mm *mm,
>>> -			    struct drm_mm_node *nodes, unsigned int num_insert,
>>> -			    const struct insert_mode *mode)
>>> +static int prepare_frag(struct kunit *test, struct drm_mm *mm, struct drm_mm_node *nodes,
>>> +			unsigned int num_insert, const struct insert_mode *mode)
>>>   {
>>>   	unsigned int size = 4096;
>>>   	unsigned int i;
>>> @@ -987,7 +988,7 @@ static u64 get_insert_time(struct kunit *test, struct drm_mm *mm,
>>>   	return ktime_to_ns(ktime_sub(ktime_get(), start));
>>>   }
>>>   
>>> -static void igt_mm_frag(struct kunit *test)
>>> +static void drm_mm_frag(struct kunit *test)
>>>   {
>>>   	struct drm_mm mm;
>>>   	const struct insert_mode *mode;
>>> @@ -997,15 +998,15 @@ static void igt_mm_frag(struct kunit *test)
>>>   
>>>   	/* We need 4 * insert_size nodes to hold intermediate allocated
>>>   	 * drm_mm nodes.
>>> -	 * 1 times for prepare_igt_frag(struct kunit *test, )
>>> -	 * 1 times for get_insert_time(struct kunit *test, )
>>> -	 * 2 times for get_insert_time(struct kunit *test, )
>>> +	 * 1 times for prepare_frag()
>>> +	 * 1 times for get_insert_time()
>>> +	 * 2 times for get_insert_time()
>>>   	 */
>>>   	nodes = vzalloc(array_size(insert_size * 4, sizeof(*nodes)));
>>>   	KUNIT_ASSERT_TRUE(test, nodes);
>>>   
>>>   	/* For BOTTOMUP and TOPDOWN, we first fragment the
>>> -	 * address space using prepare_igt_frag(struct kunit *test, ) and then try to verify
>>> +	 * address space using prepare_frag() and then try to verify
>>>   	 * that insertions scale quadratically from 10k to 20k insertions
>>>   	 */
>>>   	drm_mm_init(&mm, 1, U64_MAX - 2);
>>> @@ -1016,7 +1017,7 @@ static void igt_mm_frag(struct kunit *test)
>>>   		    mode->mode != DRM_MM_INSERT_HIGH)
>>>   			continue;
>>>   
>>> -		if (prepare_igt_frag(test, &mm, nodes, insert_size, mode))
>>> +		if (prepare_frag(test, &mm, nodes, insert_size, mode))
>>>   			goto err;
>>>   
>>>   		insert_time1 = get_insert_time(test, &mm, insert_size,
>>> @@ -1049,7 +1050,7 @@ static void igt_mm_frag(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void igt_mm_align(struct kunit *test)
>>> +static void drm_mm_align(struct kunit *test)
>>>   {
>>>   	const struct insert_mode *mode;
>>>   	const unsigned int max_count = min(8192u, max_prime);
>>> @@ -1096,7 +1097,7 @@ static void igt_mm_align(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void igt_align_pot(struct kunit *test, int max)
>>> +static void drm_mm_align_pot(struct kunit *test, int max)
>>>   {
>>>   	struct drm_mm mm;
>>>   	struct drm_mm_node *node, *next;
>>> @@ -1133,14 +1134,14 @@ static void igt_align_pot(struct kunit *test, int max)
>>>   	drm_mm_takedown(&mm);
>>>   }
>>>   
>>> -static void igt_mm_align32(struct kunit *test)
>>> +static void drm_mm_align32(struct kunit *test)
>>>   {
>>> -	igt_align_pot(test, 32);
>>> +	drm_mm_align_pot(test, 32);
>>>   }
>>>   
>>> -static void igt_mm_align64(struct kunit *test)
>>> +static void drm_mm_align64(struct kunit *test)
>>>   {
>>> -	igt_align_pot(test, 64);
>>> +	drm_mm_align_pot(test, 64);
>>>   }
>>>   
>>>   static void show_scan(struct kunit *test, const struct drm_mm_scan *scan)
>>> @@ -1386,7 +1387,7 @@ static int evict_something(struct kunit *test, struct drm_mm *mm,
>>>   	return 0;
>>>   }
>>>   
>>> -static void igt_mm_evict(struct kunit *test)
>>> +static void drm_mm_evict(struct kunit *test)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	const unsigned int size = 8192;
>>> @@ -1477,7 +1478,7 @@ static void igt_mm_evict(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void igt_mm_evict_range(struct kunit *test)
>>> +static void drm_mm_evict_range(struct kunit *test)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	const unsigned int size = 8192;
>>> @@ -1490,7 +1491,7 @@ static void igt_mm_evict_range(struct kunit *test)
>>>   	struct drm_mm_node *node, *next;
>>>   	unsigned int *order, n;
>>>   
>>> -	/* Like igt_evict() but now we are limiting the search to a
>>> +	/* Like drm_mm_evict() but now we are limiting the search to a
>>>   	 * small portion of the full drm_mm.
>>>   	 */
>>>   
>>> @@ -1564,7 +1565,7 @@ static unsigned int node_index(const struct drm_mm_node *node)
>>>   	return div64_u64(node->start, node->size);
>>>   }
>>>   
>>> -static void igt_mm_topdown(struct kunit *test)
>>> +static void drm_mm_topdown(struct kunit *test)
>>>   {
>>>   	const struct insert_mode *topdown = &insert_modes[TOPDOWN];
>>>   
>>> @@ -1671,7 +1672,7 @@ static void igt_mm_topdown(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void igt_mm_bottomup(struct kunit *test)
>>> +static void drm_mm_bottomup(struct kunit *test)
>>>   {
>>>   	const struct insert_mode *bottomup = &insert_modes[BOTTOMUP];
>>>   
>>> @@ -1683,7 +1684,7 @@ static void igt_mm_bottomup(struct kunit *test)
>>>   	struct drm_mm_node *nodes, *node, *next;
>>>   	unsigned int *order, n, m, o = 0;
>>>   
>>> -	/* Like igt_topdown, but instead of searching for the last hole,
>>> +	/* Like drm_mm_topdown, but instead of searching for the last hole,
>>>   	 * we search for the first.
>>>   	 */
>>>   
>>> @@ -1763,7 +1764,7 @@ static void igt_mm_bottomup(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void __igt_once(struct kunit *test, unsigned int mode)
>>> +static void __drm_mm_once(struct kunit *test, unsigned int mode)
>>>   {
>>>   	struct drm_mm mm;
>>>   	struct drm_mm_node rsvd_lo, rsvd_hi, node;
>>> @@ -1806,14 +1807,14 @@ static void __igt_once(struct kunit *test, unsigned int mode)
>>>   	drm_mm_takedown(&mm);
>>>   }
>>>   
>>> -static void igt_mm_lowest(struct kunit *test)
>>> +static void drm_mm_lowest(struct kunit *test)
>>>   {
>>> -	__igt_once(test, DRM_MM_INSERT_LOW);
>>> +	__drm_mm_once(test, DRM_MM_INSERT_LOW);
>>>   }
>>>   
>>> -static void igt_mm_highest(struct kunit *test)
>>> +static void drm_mm_highest(struct kunit *test)
>>>   {
>>> -	__igt_once(test, DRM_MM_INSERT_HIGH);
>>> +	__drm_mm_once(test, DRM_MM_INSERT_HIGH);
>>>   }
>>>   
>>>   static void separate_adjacent_colors(const struct drm_mm_node *node,
>>> @@ -1842,7 +1843,7 @@ static bool colors_abutt(struct kunit *test, const struct drm_mm_node *node)
>>>   	return false;
>>>   }
>>>   
>>> -static void igt_mm_color(struct kunit *test)
>>> +static void drm_mm_color(struct kunit *test)
>>>   {
>>>   	const unsigned int count = min(4096u, max_iterations);
>>>   	const struct insert_mode *mode;
>>> @@ -2041,7 +2042,7 @@ static int evict_color(struct kunit *test, struct drm_mm *mm, u64 range_start,
>>>   	return 0;
>>>   }
>>>   
>>> -static void igt_mm_color_evict(struct kunit *test)
>>> +static void drm_mm_color_evict(struct kunit *test)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	const unsigned int total_size = min(8192u, max_iterations);
>>> @@ -2122,7 +2123,7 @@ static void igt_mm_color_evict(struct kunit *test)
>>>   	vfree(nodes);
>>>   }
>>>   
>>> -static void igt_mm_color_evict_range(struct kunit *test)
>>> +static void drm_mm_color_evict_range(struct kunit *test)
>>>   {
>>>   	DRM_RND_STATE(prng, random_seed);
>>>   	const unsigned int total_size = 8192;
>>> @@ -2136,7 +2137,7 @@ static void igt_mm_color_evict_range(struct kunit *test)
>>>   	struct drm_mm_node *node, *next;
>>>   	unsigned int *order, n;
>>>   
>>> -	/* Like igt_color_evict(), but limited to small portion of the full
>>> +	/* Like drm_mm_color_evict(), but limited to small portion of the full
>>>   	 * drm_mm range.
>>>   	 */
>>>   
>>> @@ -2221,25 +2222,25 @@ module_param(max_iterations, uint, 0400);
>>>   module_param(max_prime, uint, 0400);
>>>   
>>>   static struct kunit_case drm_mm_tests[] = {
>>> -	KUNIT_CASE(igt_mm_init),
>>> -	KUNIT_CASE(igt_mm_debug),
>>> -	KUNIT_CASE(igt_mm_reserve),
>>> -	KUNIT_CASE(igt_mm_insert),
>>> -	KUNIT_CASE(igt_mm_replace),
>>> -	KUNIT_CASE(igt_mm_insert_range),
>>> -	KUNIT_CASE(igt_mm_frag),
>>> -	KUNIT_CASE(igt_mm_align),
>>> -	KUNIT_CASE(igt_mm_align32),
>>> -	KUNIT_CASE(igt_mm_align64),
>>> -	KUNIT_CASE(igt_mm_evict),
>>> -	KUNIT_CASE(igt_mm_evict_range),
>>> -	KUNIT_CASE(igt_mm_topdown),
>>> -	KUNIT_CASE(igt_mm_bottomup),
>>> -	KUNIT_CASE(igt_mm_lowest),
>>> -	KUNIT_CASE(igt_mm_highest),
>>> -	KUNIT_CASE(igt_mm_color),
>>> -	KUNIT_CASE(igt_mm_color_evict),
>>> -	KUNIT_CASE(igt_mm_color_evict_range),
>>> +	KUNIT_CASE(drm_mm_check_init),
>>> +	KUNIT_CASE(drm_mm_debug),
>>> +	KUNIT_CASE(drm_mm_reserve),
>>> +	KUNIT_CASE(drm_mm_insert),
>>> +	KUNIT_CASE(drm_mm_replace),
>>> +	KUNIT_CASE(drm_mm_insert_range),
>>> +	KUNIT_CASE(drm_mm_frag),
>>> +	KUNIT_CASE(drm_mm_align),
>>> +	KUNIT_CASE(drm_mm_align32),
>>> +	KUNIT_CASE(drm_mm_align64),
>>> +	KUNIT_CASE(drm_mm_evict),
>>> +	KUNIT_CASE(drm_mm_evict_range),
>>> +	KUNIT_CASE(drm_mm_topdown),
>>> +	KUNIT_CASE(drm_mm_bottomup),
>>> +	KUNIT_CASE(drm_mm_lowest),
>>> +	KUNIT_CASE(drm_mm_highest),
>>> +	KUNIT_CASE(drm_mm_color),
>>> +	KUNIT_CASE(drm_mm_color_evict),
>>> +	KUNIT_CASE(drm_mm_color_evict_range),
>>>   	{}
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
>>> index be6cff0020ed..90843395fd28 100644
>>> --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
>>> @@ -73,7 +73,7 @@ static bool check_crtc_eq(struct drm_plane_state *plane_state,
>>>   	return true;
>>>   }
>>>   
>>> -static void igt_check_plane_state(struct kunit *test)
>>> +static void drm_check_plane_state_desc(struct kunit *test)
>>>   {
>>>   	int ret;
>>>   
>>> @@ -223,7 +223,7 @@ static void igt_check_plane_state(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_plane_helper_test[] = {
>>> -	KUNIT_CASE(igt_check_plane_state),
>>> +	KUNIT_CASE(drm_check_plane_state_desc),
>>>   	{}
>>>   };
>>>   
>>> diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
>>> index c1dbefd49a4c..a1a94781862f 100644
>>> --- a/drivers/gpu/drm/tests/drm_rect_test.c
>>> +++ b/drivers/gpu/drm/tests/drm_rect_test.c
>>> @@ -9,7 +9,7 @@
>>>   
>>>   #include <drm/drm_rect.h>
>>>   
>>> -static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>>> +static void drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>>>   {
>>>   	struct drm_rect src, dst, clip;
>>>   	bool visible;
>>> @@ -35,7 +35,7 @@ static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>>>   	KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
>>>   }
>>>   
>>> -static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>>> +static void drm_rect_clip_scaled_not_clipped(struct kunit *test)
>>>   {
>>>   	struct drm_rect src, dst, clip;
>>>   	bool visible;
>>> @@ -83,7 +83,7 @@ static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>>>   	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>>>   }
>>>   
>>> -static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>>> +static void drm_rect_clip_scaled_clipped(struct kunit *test)
>>>   {
>>>   	struct drm_rect src, dst, clip;
>>>   	bool visible;
>>> @@ -173,7 +173,7 @@ static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>>>   	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>>>   }
>>>   
>>> -static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>>> +static void drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>>>   {
>>>   	struct drm_rect src, dst, clip;
>>>   	bool visible;
>>> @@ -197,10 +197,10 @@ static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>>>   }
>>>   
>>>   static struct kunit_case drm_rect_tests[] = {
>>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
>>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
>>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
>>> -	KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
>>> +	KUNIT_CASE(drm_rect_clip_scaled_div_by_zero),
>>> +	KUNIT_CASE(drm_rect_clip_scaled_not_clipped),
>>> +	KUNIT_CASE(drm_rect_clip_scaled_clipped),
>>> +	KUNIT_CASE(drm_rect_clip_scaled_signed_vs_unsigned),
>>>   	{ }
>>>   };
>>
David Gow Sept. 2, 2022, 7:52 a.m. UTC | #4
On Wed, Aug 31, 2022 at 5:16 AM Maíra Canal <mairacanal@riseup.net> wrote:
>
> With the introduction of KUnit, IGT is no longer the only option to run
> the DRM unit tests, as the tests can be run through kunit-tool or on
> real hardware with CONFIG_KUNIT.
>
> Therefore, remove the "igt_" prefix from the tests and replace it with
> the "drm_" prefix, making the tests' names independent from the tool
> used.
>
> Signed-off-by: Maíra Canal <mairacanal@riseup.net>
> ---

Looks good from a KUnit point-of-view.

Acked-by: David Gow <davidgow@google.com>

Cheers,
-- David


>  drivers/gpu/drm/tests/drm_buddy_test.c        |  84 +++++-----
>  .../gpu/drm/tests/drm_damage_helper_test.c    |  84 +++++-----
>  .../gpu/drm/tests/drm_dp_mst_helper_test.c    |   8 +-
>  .../gpu/drm/tests/drm_format_helper_test.c    |   8 +-
>  drivers/gpu/drm/tests/drm_format_test.c       |  20 +--
>  drivers/gpu/drm/tests/drm_mm_test.c           | 155 +++++++++---------
>  drivers/gpu/drm/tests/drm_plane_helper_test.c |   4 +-
>  drivers/gpu/drm/tests/drm_rect_test.c         |  16 +-
>  8 files changed, 190 insertions(+), 189 deletions(-)
>
> diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
> index d76f83833e75..a9393d788390 100644
> --- a/drivers/gpu/drm/tests/drm_buddy_test.c
> +++ b/drivers/gpu/drm/tests/drm_buddy_test.c
> @@ -13,7 +13,7 @@
>
>  #include "../lib/drm_random.h"
>
> -#define IGT_TIMEOUT(name__)                                                    \
> +#define TIMEOUT(name__)                                                                \
>         unsigned long name__ = jiffies + MAX_SCHEDULE_TIMEOUT
>
>  static unsigned int random_seed;
> @@ -24,7 +24,7 @@ static inline u64 get_size(int order, u64 chunk_size)
>  }
>
>  __printf(2, 3)
> -static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
> +static bool __timeout(unsigned long timeout, const char *fmt, ...)
>  {
>         va_list va;
>
> @@ -43,8 +43,8 @@ static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
>         return true;
>  }
>
> -static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
> -                            struct drm_buddy_block *block, bool buddy)
> +static void __dump_block(struct kunit *test, struct drm_buddy *mm,
> +                        struct drm_buddy_block *block, bool buddy)
>  {
>         kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=%d\n",
>                   block->header, drm_buddy_block_state(block),
> @@ -52,20 +52,20 @@ static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
>                           drm_buddy_block_size(mm, block), !block->parent, buddy);
>  }
>
> -static void igt_dump_block(struct kunit *test, struct drm_buddy *mm,
> -                          struct drm_buddy_block *block)
> +static void dump_block(struct kunit *test, struct drm_buddy *mm,
> +                      struct drm_buddy_block *block)
>  {
>         struct drm_buddy_block *buddy;
>
> -       __igt_dump_block(test, mm, block, false);
> +       __dump_block(test, mm, block, false);
>
>         buddy = drm_get_buddy(block);
>         if (buddy)
> -               __igt_dump_block(test, mm, buddy, true);
> +               __dump_block(test, mm, buddy, true);
>  }
>
> -static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
> -                          struct drm_buddy_block *block)
> +static int check_block(struct kunit *test, struct drm_buddy *mm,
> +                      struct drm_buddy_block *block)
>  {
>         struct drm_buddy_block *buddy;
>         unsigned int block_state;
> @@ -137,8 +137,8 @@ static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
>         return err;
>  }
>
> -static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
> -                           struct list_head *blocks, u64 expected_size, bool is_contiguous)
> +static int check_blocks(struct kunit *test, struct drm_buddy *mm,
> +                       struct list_head *blocks, u64 expected_size, bool is_contiguous)
>  {
>         struct drm_buddy_block *block;
>         struct drm_buddy_block *prev;
> @@ -150,7 +150,7 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>         total = 0;
>
>         list_for_each_entry(block, blocks, link) {
> -               err = igt_check_block(test, mm, block);
> +               err = check_block(test, mm, block);
>
>                 if (!drm_buddy_block_is_allocated(block)) {
>                         kunit_err(test, "block not allocated\n");
> @@ -190,16 +190,16 @@ static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
>
>         if (prev) {
>                 kunit_err(test, "prev block, dump:\n");
> -               igt_dump_block(test, mm, prev);
> +               dump_block(test, mm, prev);
>         }
>
>         kunit_err(test, "bad block, dump:\n");
> -       igt_dump_block(test, mm, block);
> +       dump_block(test, mm, block);
>
>         return err;
>  }
>
> -static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
> +static int check_mm(struct kunit *test, struct drm_buddy *mm)
>  {
>         struct drm_buddy_block *root;
>         struct drm_buddy_block *prev;
> @@ -233,7 +233,7 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>                         break;
>                 }
>
> -               err = igt_check_block(test, mm, root);
> +               err = check_block(test, mm, root);
>
>                 if (!drm_buddy_block_is_free(root)) {
>                         kunit_err(test, "root not free\n");
> @@ -289,18 +289,18 @@ static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
>
>         if (prev) {
>                 kunit_err(test, "prev root(%u), dump:\n", i - 1);
> -               igt_dump_block(test, mm, prev);
> +               dump_block(test, mm, prev);
>         }
>
>         if (root) {
>                 kunit_err(test, "bad root(%u), dump:\n", i);
> -               igt_dump_block(test, mm, root);
> +               dump_block(test, mm, root);
>         }
>
>         return err;
>  }
>
> -static void igt_mm_config(u64 *size, u64 *chunk_size)
> +static void mm_config(u64 *size, u64 *chunk_size)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         u32 s, ms;
> @@ -321,7 +321,7 @@ static void igt_mm_config(u64 *size, u64 *chunk_size)
>         *size = (u64)s << 12;
>  }
>
> -static void igt_buddy_alloc_pathological(struct kunit *test)
> +static void drm_buddy_alloc_pathological(struct kunit *test)
>  {
>         u64 mm_size, size, start = 0;
>         struct drm_buddy_block *block;
> @@ -402,7 +402,7 @@ static void igt_buddy_alloc_pathological(struct kunit *test)
>         drm_buddy_fini(&mm);
>  }
>
> -static void igt_buddy_alloc_smoke(struct kunit *test)
> +static void drm_buddy_alloc_smoke(struct kunit *test)
>  {
>         u64 mm_size, chunk_size, start = 0;
>         unsigned long flags = 0;
> @@ -411,9 +411,9 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>         int i;
>
>         DRM_RND_STATE(prng, random_seed);
> -       IGT_TIMEOUT(end_time);
> +       TIMEOUT(end_time);
>
> -       igt_mm_config(&mm_size, &chunk_size);
> +       mm_config(&mm_size, &chunk_size);
>
>         KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, chunk_size),
>                                "buddy_init failed\n");
> @@ -430,7 +430,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>                 LIST_HEAD(tmp);
>                 int order, err;
>
> -               KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +               KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>                                        "pre-mm check failed, abort\n");
>
>                 order = max_order;
> @@ -466,19 +466,19 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>
>                         total += drm_buddy_block_size(&mm, block);
>
> -                       if (__igt_timeout(end_time, NULL)) {
> +                       if (__timeout(end_time, NULL)) {
>                                 timeout = true;
>                                 break;
>                         }
>                 } while (total < mm.size);
>
>                 if (!err)
> -                       err = igt_check_blocks(test, &mm, &blocks, total, false);
> +                       err = check_blocks(test, &mm, &blocks, total, false);
>
>                 drm_buddy_free_list(&mm, &blocks);
>
>                 if (!err) {
> -                       KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +                       KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm),
>                                                "post-mm check failed\n");
>                 }
>
> @@ -492,7 +492,7 @@ static void igt_buddy_alloc_smoke(struct kunit *test)
>         drm_buddy_fini(&mm);
>  }
>
> -static void igt_buddy_alloc_pessimistic(struct kunit *test)
> +static void drm_buddy_alloc_pessimistic(struct kunit *test)
>  {
>         u64 mm_size, size, start = 0;
>         struct drm_buddy_block *block, *bn;
> @@ -587,7 +587,7 @@ static void igt_buddy_alloc_pessimistic(struct kunit *test)
>         drm_buddy_fini(&mm);
>  }
>
> -static void igt_buddy_alloc_optimistic(struct kunit *test)
> +static void drm_buddy_alloc_optimistic(struct kunit *test)
>  {
>         u64 mm_size, size, start = 0;
>         struct drm_buddy_block *block;
> @@ -633,7 +633,7 @@ static void igt_buddy_alloc_optimistic(struct kunit *test)
>         drm_buddy_fini(&mm);
>  }
>
> -static void igt_buddy_alloc_range(struct kunit *test)
> +static void drm_buddy_alloc_range(struct kunit *test)
>  {
>         unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION;
>         u64 offset, size, rem, chunk_size, end;
> @@ -641,12 +641,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>         struct drm_buddy mm;
>         LIST_HEAD(blocks);
>
> -       igt_mm_config(&size, &chunk_size);
> +       mm_config(&size, &chunk_size);
>
>         KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, size, chunk_size),
>                                "buddy_init failed");
>
> -       KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
> +       KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
>                                "pre-mm check failed, abort!");
>
>         rem = mm.size;
> @@ -671,7 +671,7 @@ static void igt_buddy_alloc_range(struct kunit *test)
>                                     "alloc_range start offset mismatch, found=%llx, expected=%llx\n",
>                                                         drm_buddy_block_offset(block), offset);
>
> -               KUNIT_ASSERT_FALSE(test, igt_check_blocks(test, &mm, &tmp, size, true));
> +               KUNIT_ASSERT_FALSE(test, check_blocks(test, &mm, &tmp, size, true));
>
>                 list_splice_tail(&tmp, &blocks);
>
> @@ -686,12 +686,12 @@ static void igt_buddy_alloc_range(struct kunit *test)
>
>         drm_buddy_free_list(&mm, &blocks);
>
> -       KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm), "post-mm check failed\n");
> +       KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm), "post-mm check failed\n");
>
>         drm_buddy_fini(&mm);
>  }
>
> -static void igt_buddy_alloc_limit(struct kunit *test)
> +static void drm_buddy_alloc_limit(struct kunit *test)
>  {
>         u64 size = U64_MAX, start = 0;
>         struct drm_buddy_block *block;
> @@ -735,12 +735,12 @@ static int drm_buddy_init_test(struct kunit *test)
>  }
>
>  static struct kunit_case drm_buddy_tests[] = {
> -       KUNIT_CASE(igt_buddy_alloc_limit),
> -       KUNIT_CASE(igt_buddy_alloc_range),
> -       KUNIT_CASE(igt_buddy_alloc_optimistic),
> -       KUNIT_CASE(igt_buddy_alloc_pessimistic),
> -       KUNIT_CASE(igt_buddy_alloc_smoke),
> -       KUNIT_CASE(igt_buddy_alloc_pathological),
> +       KUNIT_CASE(drm_buddy_alloc_limit),
> +       KUNIT_CASE(drm_buddy_alloc_range),
> +       KUNIT_CASE(drm_buddy_alloc_optimistic),
> +       KUNIT_CASE(drm_buddy_alloc_pessimistic),
> +       KUNIT_CASE(drm_buddy_alloc_smoke),
> +       KUNIT_CASE(drm_buddy_alloc_pathological),
>         {}
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_damage_helper_test.c b/drivers/gpu/drm/tests/drm_damage_helper_test.c
> index bf250bd08d7e..91005b051c5c 100644
> --- a/drivers/gpu/drm/tests/drm_damage_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_damage_helper_test.c
> @@ -111,7 +111,7 @@ static void check_damage_clip(struct kunit *test, struct drm_rect *r,
>                            r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
>  }
>
> -static void igt_damage_iter_no_damage(struct kunit *test)
> +static void drm_damage_iter_no_damage(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -129,7 +129,7 @@ static void igt_damage_iter_no_damage(struct kunit *test)
>         check_damage_clip(test, &clip, 0, 0, 2048, 2048);
>  }
>
> -static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
> +static void drm_damage_iter_no_damage_fractional_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -150,7 +150,7 @@ static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
>         check_damage_clip(test, &clip, 3, 3, 1028, 772);
>  }
>
> -static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_no_damage_src_moved(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -169,7 +169,7 @@ static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
>         check_damage_clip(test, &clip, 10, 10, 1034, 778);
>  }
>
> -static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
> +static void drm_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -189,7 +189,7 @@ static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
>         check_damage_clip(test, &clip, 4, 4, 1029, 773);
>  }
>
> -static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
> +static void drm_damage_iter_no_damage_not_visible(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -207,7 +207,7 @@ static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>
> -static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
> +static void drm_damage_iter_no_damage_no_crtc(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -225,7 +225,7 @@ static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>
> -static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
> +static void drm_damage_iter_no_damage_no_fb(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -243,7 +243,7 @@ static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>
> -static void igt_damage_iter_simple_damage(struct kunit *test)
> +static void drm_damage_iter_simple_damage(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -266,7 +266,7 @@ static void igt_damage_iter_simple_damage(struct kunit *test)
>         check_damage_clip(test, &clip, 0, 0, 1024, 768);
>  }
>
> -static void igt_damage_iter_single_damage(struct kunit *test)
> +static void drm_damage_iter_single_damage(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -288,7 +288,7 @@ static void igt_damage_iter_single_damage(struct kunit *test)
>         check_damage_clip(test, &clip, 256, 192, 768, 576);
>  }
>
> -static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_intersect_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -311,7 +311,7 @@ static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
>         check_damage_clip(test, &clip, 256, 192, 1024, 768);
>  }
>
> -static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_outside_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -333,7 +333,7 @@ static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>
> -static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_fractional_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -358,7 +358,7 @@ static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
>         check_damage_clip(test, &clip, 10, 10, 256, 330);
>  }
>
> -static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -385,7 +385,7 @@ static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit
>         check_damage_clip(test, &clip, 10, 4, 1029, 330);
>  }
>
> -static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
> +static void drm_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -410,7 +410,7 @@ static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *t
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
>  }
>
> -static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_single_damage_src_moved(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -435,7 +435,7 @@ static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
>         check_damage_clip(test, &clip, 10, 10, 1034, 778);
>  }
>
> -static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
> +static void drm_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -462,7 +462,7 @@ static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *tes
>         check_damage_clip(test, &clip, 4, 4, 1029, 773);
>  }
>
> -static void igt_damage_iter_damage(struct kunit *test)
> +static void drm_damage_iter_damage(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -490,7 +490,7 @@ static void igt_damage_iter_damage(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>  }
>
> -static void igt_damage_iter_damage_one_intersect(struct kunit *test)
> +static void drm_damage_iter_damage_one_intersect(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -520,7 +520,7 @@ static void igt_damage_iter_damage_one_intersect(struct kunit *test)
>         KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
>  }
>
> -static void igt_damage_iter_damage_one_outside(struct kunit *test)
> +static void drm_damage_iter_damage_one_outside(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -544,7 +544,7 @@ static void igt_damage_iter_damage_one_outside(struct kunit *test)
>         check_damage_clip(test, &clip, 240, 200, 280, 250);
>  }
>
> -static void igt_damage_iter_damage_src_moved(struct kunit *test)
> +static void drm_damage_iter_damage_src_moved(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -571,7 +571,7 @@ static void igt_damage_iter_damage_src_moved(struct kunit *test)
>         check_damage_clip(test, &clip, 3, 3, 1028, 772);
>  }
>
> -static void igt_damage_iter_damage_not_visible(struct kunit *test)
> +static void drm_damage_iter_damage_not_visible(struct kunit *test)
>  {
>         struct drm_damage_mock *mock = test->priv;
>         struct drm_atomic_helper_damage_iter iter;
> @@ -599,27 +599,27 @@ static void igt_damage_iter_damage_not_visible(struct kunit *test)
>  }
>
>  static struct kunit_case drm_damage_helper_tests[] = {
> -       KUNIT_CASE(igt_damage_iter_no_damage),
> -       KUNIT_CASE(igt_damage_iter_no_damage_fractional_src),
> -       KUNIT_CASE(igt_damage_iter_no_damage_src_moved),
> -       KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved),
> -       KUNIT_CASE(igt_damage_iter_no_damage_not_visible),
> -       KUNIT_CASE(igt_damage_iter_no_damage_no_crtc),
> -       KUNIT_CASE(igt_damage_iter_no_damage_no_fb),
> -       KUNIT_CASE(igt_damage_iter_simple_damage),
> -       KUNIT_CASE(igt_damage_iter_single_damage),
> -       KUNIT_CASE(igt_damage_iter_single_damage_intersect_src),
> -       KUNIT_CASE(igt_damage_iter_single_damage_outside_src),
> -       KUNIT_CASE(igt_damage_iter_single_damage_fractional_src),
> -       KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src),
> -       KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src),
> -       KUNIT_CASE(igt_damage_iter_single_damage_src_moved),
> -       KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved),
> -       KUNIT_CASE(igt_damage_iter_damage),
> -       KUNIT_CASE(igt_damage_iter_damage_one_intersect),
> -       KUNIT_CASE(igt_damage_iter_damage_one_outside),
> -       KUNIT_CASE(igt_damage_iter_damage_src_moved),
> -       KUNIT_CASE(igt_damage_iter_damage_not_visible),
> +       KUNIT_CASE(drm_damage_iter_no_damage),
> +       KUNIT_CASE(drm_damage_iter_no_damage_fractional_src),
> +       KUNIT_CASE(drm_damage_iter_no_damage_src_moved),
> +       KUNIT_CASE(drm_damage_iter_no_damage_fractional_src_moved),
> +       KUNIT_CASE(drm_damage_iter_no_damage_not_visible),
> +       KUNIT_CASE(drm_damage_iter_no_damage_no_crtc),
> +       KUNIT_CASE(drm_damage_iter_no_damage_no_fb),
> +       KUNIT_CASE(drm_damage_iter_simple_damage),
> +       KUNIT_CASE(drm_damage_iter_single_damage),
> +       KUNIT_CASE(drm_damage_iter_single_damage_intersect_src),
> +       KUNIT_CASE(drm_damage_iter_single_damage_outside_src),
> +       KUNIT_CASE(drm_damage_iter_single_damage_fractional_src),
> +       KUNIT_CASE(drm_damage_iter_single_damage_intersect_fractional_src),
> +       KUNIT_CASE(drm_damage_iter_single_damage_outside_fractional_src),
> +       KUNIT_CASE(drm_damage_iter_single_damage_src_moved),
> +       KUNIT_CASE(drm_damage_iter_single_damage_fractional_src_moved),
> +       KUNIT_CASE(drm_damage_iter_damage),
> +       KUNIT_CASE(drm_damage_iter_damage_one_intersect),
> +       KUNIT_CASE(drm_damage_iter_damage_one_outside),
> +       KUNIT_CASE(drm_damage_iter_damage_src_moved),
> +       KUNIT_CASE(drm_damage_iter_damage_not_visible),
>         { }
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> index 1d2fade56227..88fc661b5559 100644
> --- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
> @@ -16,7 +16,7 @@
>
>  #include "../display/drm_dp_mst_topology_internal.h"
>
> -static void igt_dp_mst_calc_pbn_mode(struct kunit *test)
> +static void drm_dp_mst_calc_pbn_mode(struct kunit *test)
>  {
>         int pbn, i;
>         const struct {
> @@ -177,7 +177,7 @@ sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
>         return result;
>  }
>
> -static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
> +static void drm_dp_mst_sideband_msg_req_decode(struct kunit *test)
>  {
>         struct drm_dp_sideband_msg_req_body in = { 0 };
>         u8 data[] = { 0xff, 0x0, 0xdd };
> @@ -271,8 +271,8 @@ static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
>  }
>
>  static struct kunit_case drm_dp_mst_helper_tests[] = {
> -       KUNIT_CASE(igt_dp_mst_calc_pbn_mode),
> -       KUNIT_CASE(igt_dp_mst_sideband_msg_req_decode),
> +       KUNIT_CASE(drm_dp_mst_calc_pbn_mode),
> +       KUNIT_CASE(drm_dp_mst_sideband_msg_req_decode),
>         { }
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
> index 828487071796..322240d7fceb 100644
> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
> @@ -192,7 +192,7 @@ static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
>  KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
>                   convert_xrgb8888_case_desc);
>
> -static void xrgb8888_to_rgb332_test(struct kunit *test)
> +static void drm_fb_xrgb8888_to_rgb332_test(struct kunit *test)
>  {
>         const struct convert_xrgb8888_case *params = test->param_value;
>         const struct convert_to_rgb332_result *result = &params->rgb332_result;
> @@ -222,7 +222,7 @@ static void xrgb8888_to_rgb332_test(struct kunit *test)
>         KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
>  }
>
> -static void xrgb8888_to_rgb565_test(struct kunit *test)
> +static void drm_fb_xrgb8888_to_rgb565_test(struct kunit *test)
>  {
>         const struct convert_xrgb8888_case *params = test->param_value;
>         const struct convert_to_rgb565_result *result = &params->rgb565_result;
> @@ -256,8 +256,8 @@ static void xrgb8888_to_rgb565_test(struct kunit *test)
>  }
>
>  static struct kunit_case drm_format_helper_test_cases[] = {
> -       KUNIT_CASE_PARAM(xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
> -       KUNIT_CASE_PARAM(xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
> +       KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
> +       KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
>         {}
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c
> index afb4bca72187..ed8b4a2dd849 100644
> --- a/drivers/gpu/drm/tests/drm_format_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_test.c
> @@ -9,7 +9,7 @@
>
>  #include <drm/drm_fourcc.h>
>
> -static void igt_check_drm_format_block_width(struct kunit *test)
> +static void drm_format_block_width_test(struct kunit *test)
>  {
>         const struct drm_format_info *info = NULL;
>
> @@ -50,7 +50,7 @@ static void igt_check_drm_format_block_width(struct kunit *test)
>         KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
>  }
>
> -static void igt_check_drm_format_block_height(struct kunit *test)
> +static void drm_format_block_height_test(struct kunit *test)
>  {
>         const struct drm_format_info *info = NULL;
>
> @@ -91,7 +91,7 @@ static void igt_check_drm_format_block_height(struct kunit *test)
>         KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
>  }
>
> -static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
> +static void drm_format_min_pitch_for_single_plane_test(struct kunit *test)
>  {
>         const struct drm_format_info *info = NULL;
>
> @@ -177,7 +177,7 @@ static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
>                         (uint64_t)(UINT_MAX - 1) * 4);
>  }
>
> -static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
> +static void drm_format_min_pitch_for_multi_planar_test(struct kunit *test)
>  {
>         const struct drm_format_info *info = NULL;
>
> @@ -256,7 +256,7 @@ static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
>                         (uint64_t)(UINT_MAX - 1) / 2);
>  }
>
> -static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
> +static void drm_format_min_pitch_for_tiled_format_test(struct kunit *test)
>  {
>         const struct drm_format_info *info = NULL;
>
> @@ -281,11 +281,11 @@ static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
>  }
>
>  static struct kunit_case drm_format_tests[] = {
> -       KUNIT_CASE(igt_check_drm_format_block_width),
> -       KUNIT_CASE(igt_check_drm_format_block_height),
> -       KUNIT_CASE(igt_check_drm_format_min_pitch_for_single_plane),
> -       KUNIT_CASE(igt_check_drm_format_min_pitch_for_multi_planar),
> -       KUNIT_CASE(igt_check_drm_format_min_pitch_for_tiled_format),
> +       KUNIT_CASE(drm_format_block_width_test),
> +       KUNIT_CASE(drm_format_block_height_test),
> +       KUNIT_CASE(drm_format_min_pitch_for_single_plane_test),
> +       KUNIT_CASE(drm_format_min_pitch_for_multi_planar_test),
> +       KUNIT_CASE(drm_format_min_pitch_for_tiled_format_test),
>         { }
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
> index 1e2c1aa524bd..a50fd1ef2af5 100644
> --- a/drivers/gpu/drm/tests/drm_mm_test.c
> +++ b/drivers/gpu/drm/tests/drm_mm_test.c
> @@ -191,7 +191,7 @@ static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm
>         return ok;
>  }
>
> -static void igt_mm_init(struct kunit *test)
> +static void drm_mm_check_init(struct kunit *test)
>  {
>         const unsigned int size = 4096;
>         struct drm_mm mm;
> @@ -245,7 +245,7 @@ static void igt_mm_init(struct kunit *test)
>         drm_mm_takedown(&mm);
>  }
>
> -static void igt_mm_debug(struct kunit *test)
> +static void drm_mm_debug(struct kunit *test)
>  {
>         struct drm_mm mm;
>         struct drm_mm_node nodes[2];
> @@ -341,7 +341,7 @@ static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
>         return true;
>  }
>
> -static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
> +static int __drm_mm_reserve(struct kunit *test, unsigned int count, u64 size)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         struct drm_mm mm;
> @@ -349,7 +349,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>         unsigned int *order, n, m, o = 0;
>         int ret, err;
>
> -       /* For exercising drm_mm_reserve_node(struct kunit *test, ), we want to check that
> +       /* For exercising drm_mm_reserve_node(), we want to check that
>          * reservations outside of the drm_mm range are rejected, and to
>          * overlapping and otherwise already occupied ranges. Afterwards,
>          * the tree and nodes should be intact.
> @@ -463,7 +463,7 @@ static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
>         return ret;
>  }
>
> -static void igt_mm_reserve(struct kunit *test)
> +static void drm_mm_reserve(struct kunit *test)
>  {
>         const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>         int n;
> @@ -471,9 +471,9 @@ static void igt_mm_reserve(struct kunit *test)
>         for_each_prime_number_from(n, 1, 54) {
>                 u64 size = BIT_ULL(n);
>
> -               KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size - 1));
> -               KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size));
> -               KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size + 1));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size - 1));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size + 1));
>
>                 cond_resched();
>         }
> @@ -524,7 +524,7 @@ static bool expect_insert_fail(struct kunit *test, struct drm_mm *mm, u64 size)
>         return false;
>  }
>
> -static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
> +static int __drm_mm_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         const struct insert_mode *mode;
> @@ -660,7 +660,7 @@ static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool r
>         return ret;
>  }
>
> -static void igt_mm_insert(struct kunit *test)
> +static void drm_mm_insert(struct kunit *test)
>  {
>         const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>         unsigned int n;
> @@ -668,20 +668,20 @@ static void igt_mm_insert(struct kunit *test)
>         for_each_prime_number_from(n, 1, 54) {
>                 u64 size = BIT_ULL(n);
>
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, false));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, false));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, false));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, false));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, false));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, false));
>
>                 cond_resched();
>         }
>  }
>
> -static void igt_mm_replace(struct kunit *test)
> +static void drm_mm_replace(struct kunit *test)
>  {
>         const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
>         unsigned int n;
>
> -       /* Reuse igt_insert to exercise replacement by inserting a dummy node,
> +       /* Reuse __drm_mm_insert to exercise replacement by inserting a dummy node,
>          * then replacing it with the intended node. We want to check that
>          * the tree is intact and all the information we need is carried
>          * across to the target node.
> @@ -690,9 +690,9 @@ static void igt_mm_replace(struct kunit *test)
>         for_each_prime_number_from(n, 1, 54) {
>                 u64 size = BIT_ULL(n);
>
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, true));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, true));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, true));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, true));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, true));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, true));
>
>                 cond_resched();
>         }
> @@ -808,7 +808,8 @@ static bool assert_contiguous_in_range(struct kunit *test, struct drm_mm *mm,
>         return true;
>  }
>
> -static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size, u64 start, u64 end)
> +static int __drm_mm_insert_range(struct kunit *test, unsigned int count, u64 size,
> +                                u64 start, u64 end)
>  {
>         const struct insert_mode *mode;
>         struct drm_mm mm;
> @@ -820,7 +821,7 @@ static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size,
>         DRM_MM_BUG_ON(!size);
>         DRM_MM_BUG_ON(end <= start);
>
> -       /* Very similar to __igt_insert(struct kunit *test, ), but now instead of populating the
> +       /* Very similar to __drm_mm_insert(), but now instead of populating the
>          * full range of the drm_mm, we try to fill a small portion of it.
>          */
>
> @@ -921,7 +922,7 @@ static int insert_outside_range(struct kunit *test)
>         return 0;
>  }
>
> -static void igt_mm_insert_range(struct kunit *test)
> +static void drm_mm_insert_range(struct kunit *test)
>  {
>         const unsigned int count = min_t(unsigned int, BIT(13), max_iterations);
>         unsigned int n;
> @@ -933,21 +934,21 @@ static void igt_mm_insert_range(struct kunit *test)
>                 const u64 size = BIT_ULL(n);
>                 const u64 max = count * size;
>
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 1, max));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max - 1));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max / 2));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, max / 2, max / 2));
> -               KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size,
> -                                                           max / 4 + 1, 3 * max / 4 - 1));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 1, max));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max - 1));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max / 2));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
> +                                                              max / 2, max / 2));
> +               KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
> +                                                              max / 4 + 1, 3 * max / 4 - 1));
>
>                 cond_resched();
>         }
>  }
>
> -static int prepare_igt_frag(struct kunit *test, struct drm_mm *mm,
> -                           struct drm_mm_node *nodes, unsigned int num_insert,
> -                           const struct insert_mode *mode)
> +static int prepare_frag(struct kunit *test, struct drm_mm *mm, struct drm_mm_node *nodes,
> +                       unsigned int num_insert, const struct insert_mode *mode)
>  {
>         unsigned int size = 4096;
>         unsigned int i;
> @@ -987,7 +988,7 @@ static u64 get_insert_time(struct kunit *test, struct drm_mm *mm,
>         return ktime_to_ns(ktime_sub(ktime_get(), start));
>  }
>
> -static void igt_mm_frag(struct kunit *test)
> +static void drm_mm_frag(struct kunit *test)
>  {
>         struct drm_mm mm;
>         const struct insert_mode *mode;
> @@ -997,15 +998,15 @@ static void igt_mm_frag(struct kunit *test)
>
>         /* We need 4 * insert_size nodes to hold intermediate allocated
>          * drm_mm nodes.
> -        * 1 times for prepare_igt_frag(struct kunit *test, )
> -        * 1 times for get_insert_time(struct kunit *test, )
> -        * 2 times for get_insert_time(struct kunit *test, )
> +        * 1 times for prepare_frag()
> +        * 1 times for get_insert_time()
> +        * 2 times for get_insert_time()
>          */
>         nodes = vzalloc(array_size(insert_size * 4, sizeof(*nodes)));
>         KUNIT_ASSERT_TRUE(test, nodes);
>
>         /* For BOTTOMUP and TOPDOWN, we first fragment the
> -        * address space using prepare_igt_frag(struct kunit *test, ) and then try to verify
> +        * address space using prepare_frag() and then try to verify
>          * that insertions scale quadratically from 10k to 20k insertions
>          */
>         drm_mm_init(&mm, 1, U64_MAX - 2);
> @@ -1016,7 +1017,7 @@ static void igt_mm_frag(struct kunit *test)
>                     mode->mode != DRM_MM_INSERT_HIGH)
>                         continue;
>
> -               if (prepare_igt_frag(test, &mm, nodes, insert_size, mode))
> +               if (prepare_frag(test, &mm, nodes, insert_size, mode))
>                         goto err;
>
>                 insert_time1 = get_insert_time(test, &mm, insert_size,
> @@ -1049,7 +1050,7 @@ static void igt_mm_frag(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void igt_mm_align(struct kunit *test)
> +static void drm_mm_align(struct kunit *test)
>  {
>         const struct insert_mode *mode;
>         const unsigned int max_count = min(8192u, max_prime);
> @@ -1096,7 +1097,7 @@ static void igt_mm_align(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void igt_align_pot(struct kunit *test, int max)
> +static void drm_mm_align_pot(struct kunit *test, int max)
>  {
>         struct drm_mm mm;
>         struct drm_mm_node *node, *next;
> @@ -1133,14 +1134,14 @@ static void igt_align_pot(struct kunit *test, int max)
>         drm_mm_takedown(&mm);
>  }
>
> -static void igt_mm_align32(struct kunit *test)
> +static void drm_mm_align32(struct kunit *test)
>  {
> -       igt_align_pot(test, 32);
> +       drm_mm_align_pot(test, 32);
>  }
>
> -static void igt_mm_align64(struct kunit *test)
> +static void drm_mm_align64(struct kunit *test)
>  {
> -       igt_align_pot(test, 64);
> +       drm_mm_align_pot(test, 64);
>  }
>
>  static void show_scan(struct kunit *test, const struct drm_mm_scan *scan)
> @@ -1386,7 +1387,7 @@ static int evict_something(struct kunit *test, struct drm_mm *mm,
>         return 0;
>  }
>
> -static void igt_mm_evict(struct kunit *test)
> +static void drm_mm_evict(struct kunit *test)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         const unsigned int size = 8192;
> @@ -1477,7 +1478,7 @@ static void igt_mm_evict(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void igt_mm_evict_range(struct kunit *test)
> +static void drm_mm_evict_range(struct kunit *test)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         const unsigned int size = 8192;
> @@ -1490,7 +1491,7 @@ static void igt_mm_evict_range(struct kunit *test)
>         struct drm_mm_node *node, *next;
>         unsigned int *order, n;
>
> -       /* Like igt_evict() but now we are limiting the search to a
> +       /* Like drm_mm_evict() but now we are limiting the search to a
>          * small portion of the full drm_mm.
>          */
>
> @@ -1564,7 +1565,7 @@ static unsigned int node_index(const struct drm_mm_node *node)
>         return div64_u64(node->start, node->size);
>  }
>
> -static void igt_mm_topdown(struct kunit *test)
> +static void drm_mm_topdown(struct kunit *test)
>  {
>         const struct insert_mode *topdown = &insert_modes[TOPDOWN];
>
> @@ -1671,7 +1672,7 @@ static void igt_mm_topdown(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void igt_mm_bottomup(struct kunit *test)
> +static void drm_mm_bottomup(struct kunit *test)
>  {
>         const struct insert_mode *bottomup = &insert_modes[BOTTOMUP];
>
> @@ -1683,7 +1684,7 @@ static void igt_mm_bottomup(struct kunit *test)
>         struct drm_mm_node *nodes, *node, *next;
>         unsigned int *order, n, m, o = 0;
>
> -       /* Like igt_topdown, but instead of searching for the last hole,
> +       /* Like drm_mm_topdown, but instead of searching for the last hole,
>          * we search for the first.
>          */
>
> @@ -1763,7 +1764,7 @@ static void igt_mm_bottomup(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void __igt_once(struct kunit *test, unsigned int mode)
> +static void __drm_mm_once(struct kunit *test, unsigned int mode)
>  {
>         struct drm_mm mm;
>         struct drm_mm_node rsvd_lo, rsvd_hi, node;
> @@ -1806,14 +1807,14 @@ static void __igt_once(struct kunit *test, unsigned int mode)
>         drm_mm_takedown(&mm);
>  }
>
> -static void igt_mm_lowest(struct kunit *test)
> +static void drm_mm_lowest(struct kunit *test)
>  {
> -       __igt_once(test, DRM_MM_INSERT_LOW);
> +       __drm_mm_once(test, DRM_MM_INSERT_LOW);
>  }
>
> -static void igt_mm_highest(struct kunit *test)
> +static void drm_mm_highest(struct kunit *test)
>  {
> -       __igt_once(test, DRM_MM_INSERT_HIGH);
> +       __drm_mm_once(test, DRM_MM_INSERT_HIGH);
>  }
>
>  static void separate_adjacent_colors(const struct drm_mm_node *node,
> @@ -1842,7 +1843,7 @@ static bool colors_abutt(struct kunit *test, const struct drm_mm_node *node)
>         return false;
>  }
>
> -static void igt_mm_color(struct kunit *test)
> +static void drm_mm_color(struct kunit *test)
>  {
>         const unsigned int count = min(4096u, max_iterations);
>         const struct insert_mode *mode;
> @@ -2041,7 +2042,7 @@ static int evict_color(struct kunit *test, struct drm_mm *mm, u64 range_start,
>         return 0;
>  }
>
> -static void igt_mm_color_evict(struct kunit *test)
> +static void drm_mm_color_evict(struct kunit *test)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         const unsigned int total_size = min(8192u, max_iterations);
> @@ -2122,7 +2123,7 @@ static void igt_mm_color_evict(struct kunit *test)
>         vfree(nodes);
>  }
>
> -static void igt_mm_color_evict_range(struct kunit *test)
> +static void drm_mm_color_evict_range(struct kunit *test)
>  {
>         DRM_RND_STATE(prng, random_seed);
>         const unsigned int total_size = 8192;
> @@ -2136,7 +2137,7 @@ static void igt_mm_color_evict_range(struct kunit *test)
>         struct drm_mm_node *node, *next;
>         unsigned int *order, n;
>
> -       /* Like igt_color_evict(), but limited to small portion of the full
> +       /* Like drm_mm_color_evict(), but limited to small portion of the full
>          * drm_mm range.
>          */
>
> @@ -2221,25 +2222,25 @@ module_param(max_iterations, uint, 0400);
>  module_param(max_prime, uint, 0400);
>
>  static struct kunit_case drm_mm_tests[] = {
> -       KUNIT_CASE(igt_mm_init),
> -       KUNIT_CASE(igt_mm_debug),
> -       KUNIT_CASE(igt_mm_reserve),
> -       KUNIT_CASE(igt_mm_insert),
> -       KUNIT_CASE(igt_mm_replace),
> -       KUNIT_CASE(igt_mm_insert_range),
> -       KUNIT_CASE(igt_mm_frag),
> -       KUNIT_CASE(igt_mm_align),
> -       KUNIT_CASE(igt_mm_align32),
> -       KUNIT_CASE(igt_mm_align64),
> -       KUNIT_CASE(igt_mm_evict),
> -       KUNIT_CASE(igt_mm_evict_range),
> -       KUNIT_CASE(igt_mm_topdown),
> -       KUNIT_CASE(igt_mm_bottomup),
> -       KUNIT_CASE(igt_mm_lowest),
> -       KUNIT_CASE(igt_mm_highest),
> -       KUNIT_CASE(igt_mm_color),
> -       KUNIT_CASE(igt_mm_color_evict),
> -       KUNIT_CASE(igt_mm_color_evict_range),
> +       KUNIT_CASE(drm_mm_check_init),
> +       KUNIT_CASE(drm_mm_debug),
> +       KUNIT_CASE(drm_mm_reserve),
> +       KUNIT_CASE(drm_mm_insert),
> +       KUNIT_CASE(drm_mm_replace),
> +       KUNIT_CASE(drm_mm_insert_range),
> +       KUNIT_CASE(drm_mm_frag),
> +       KUNIT_CASE(drm_mm_align),
> +       KUNIT_CASE(drm_mm_align32),
> +       KUNIT_CASE(drm_mm_align64),
> +       KUNIT_CASE(drm_mm_evict),
> +       KUNIT_CASE(drm_mm_evict_range),
> +       KUNIT_CASE(drm_mm_topdown),
> +       KUNIT_CASE(drm_mm_bottomup),
> +       KUNIT_CASE(drm_mm_lowest),
> +       KUNIT_CASE(drm_mm_highest),
> +       KUNIT_CASE(drm_mm_color),
> +       KUNIT_CASE(drm_mm_color_evict),
> +       KUNIT_CASE(drm_mm_color_evict_range),
>         {}
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> index be6cff0020ed..90843395fd28 100644
> --- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
> @@ -73,7 +73,7 @@ static bool check_crtc_eq(struct drm_plane_state *plane_state,
>         return true;
>  }
>
> -static void igt_check_plane_state(struct kunit *test)
> +static void drm_check_plane_state_desc(struct kunit *test)
>  {
>         int ret;
>
> @@ -223,7 +223,7 @@ static void igt_check_plane_state(struct kunit *test)
>  }
>
>  static struct kunit_case drm_plane_helper_test[] = {
> -       KUNIT_CASE(igt_check_plane_state),
> +       KUNIT_CASE(drm_check_plane_state_desc),
>         {}
>  };
>
> diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
> index c1dbefd49a4c..a1a94781862f 100644
> --- a/drivers/gpu/drm/tests/drm_rect_test.c
> +++ b/drivers/gpu/drm/tests/drm_rect_test.c
> @@ -9,7 +9,7 @@
>
>  #include <drm/drm_rect.h>
>
> -static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
> +static void drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>  {
>         struct drm_rect src, dst, clip;
>         bool visible;
> @@ -35,7 +35,7 @@ static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
>         KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
>  }
>
> -static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
> +static void drm_rect_clip_scaled_not_clipped(struct kunit *test)
>  {
>         struct drm_rect src, dst, clip;
>         bool visible;
> @@ -83,7 +83,7 @@ static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
>         KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>  }
>
> -static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
> +static void drm_rect_clip_scaled_clipped(struct kunit *test)
>  {
>         struct drm_rect src, dst, clip;
>         bool visible;
> @@ -173,7 +173,7 @@ static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
>         KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
>  }
>
> -static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
> +static void drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>  {
>         struct drm_rect src, dst, clip;
>         bool visible;
> @@ -197,10 +197,10 @@ static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
>  }
>
>  static struct kunit_case drm_rect_tests[] = {
> -       KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
> -       KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
> -       KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
> -       KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
> +       KUNIT_CASE(drm_rect_clip_scaled_div_by_zero),
> +       KUNIT_CASE(drm_rect_clip_scaled_not_clipped),
> +       KUNIT_CASE(drm_rect_clip_scaled_clipped),
> +       KUNIT_CASE(drm_rect_clip_scaled_signed_vs_unsigned),
>         { }
>  };
>
> --
> 2.37.2
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
index d76f83833e75..a9393d788390 100644
--- a/drivers/gpu/drm/tests/drm_buddy_test.c
+++ b/drivers/gpu/drm/tests/drm_buddy_test.c
@@ -13,7 +13,7 @@ 
 
 #include "../lib/drm_random.h"
 
-#define IGT_TIMEOUT(name__)                                                    \
+#define TIMEOUT(name__)								\
 	unsigned long name__ = jiffies + MAX_SCHEDULE_TIMEOUT
 
 static unsigned int random_seed;
@@ -24,7 +24,7 @@  static inline u64 get_size(int order, u64 chunk_size)
 }
 
 __printf(2, 3)
-static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
+static bool __timeout(unsigned long timeout, const char *fmt, ...)
 {
 	va_list va;
 
@@ -43,8 +43,8 @@  static bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
 	return true;
 }
 
-static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
-			     struct drm_buddy_block *block, bool buddy)
+static void __dump_block(struct kunit *test, struct drm_buddy *mm,
+			 struct drm_buddy_block *block, bool buddy)
 {
 	kunit_err(test, "block info: header=%llx, state=%u, order=%d, offset=%llx size=%llx root=%d buddy=%d\n",
 		  block->header, drm_buddy_block_state(block),
@@ -52,20 +52,20 @@  static void __igt_dump_block(struct kunit *test, struct drm_buddy *mm,
 			  drm_buddy_block_size(mm, block), !block->parent, buddy);
 }
 
-static void igt_dump_block(struct kunit *test, struct drm_buddy *mm,
-			   struct drm_buddy_block *block)
+static void dump_block(struct kunit *test, struct drm_buddy *mm,
+		       struct drm_buddy_block *block)
 {
 	struct drm_buddy_block *buddy;
 
-	__igt_dump_block(test, mm, block, false);
+	__dump_block(test, mm, block, false);
 
 	buddy = drm_get_buddy(block);
 	if (buddy)
-		__igt_dump_block(test, mm, buddy, true);
+		__dump_block(test, mm, buddy, true);
 }
 
-static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
-			   struct drm_buddy_block *block)
+static int check_block(struct kunit *test, struct drm_buddy *mm,
+		       struct drm_buddy_block *block)
 {
 	struct drm_buddy_block *buddy;
 	unsigned int block_state;
@@ -137,8 +137,8 @@  static int igt_check_block(struct kunit *test, struct drm_buddy *mm,
 	return err;
 }
 
-static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
-			    struct list_head *blocks, u64 expected_size, bool is_contiguous)
+static int check_blocks(struct kunit *test, struct drm_buddy *mm,
+			struct list_head *blocks, u64 expected_size, bool is_contiguous)
 {
 	struct drm_buddy_block *block;
 	struct drm_buddy_block *prev;
@@ -150,7 +150,7 @@  static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
 	total = 0;
 
 	list_for_each_entry(block, blocks, link) {
-		err = igt_check_block(test, mm, block);
+		err = check_block(test, mm, block);
 
 		if (!drm_buddy_block_is_allocated(block)) {
 			kunit_err(test, "block not allocated\n");
@@ -190,16 +190,16 @@  static int igt_check_blocks(struct kunit *test, struct drm_buddy *mm,
 
 	if (prev) {
 		kunit_err(test, "prev block, dump:\n");
-		igt_dump_block(test, mm, prev);
+		dump_block(test, mm, prev);
 	}
 
 	kunit_err(test, "bad block, dump:\n");
-	igt_dump_block(test, mm, block);
+	dump_block(test, mm, block);
 
 	return err;
 }
 
-static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
+static int check_mm(struct kunit *test, struct drm_buddy *mm)
 {
 	struct drm_buddy_block *root;
 	struct drm_buddy_block *prev;
@@ -233,7 +233,7 @@  static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
 			break;
 		}
 
-		err = igt_check_block(test, mm, root);
+		err = check_block(test, mm, root);
 
 		if (!drm_buddy_block_is_free(root)) {
 			kunit_err(test, "root not free\n");
@@ -289,18 +289,18 @@  static int igt_check_mm(struct kunit *test, struct drm_buddy *mm)
 
 	if (prev) {
 		kunit_err(test, "prev root(%u), dump:\n", i - 1);
-		igt_dump_block(test, mm, prev);
+		dump_block(test, mm, prev);
 	}
 
 	if (root) {
 		kunit_err(test, "bad root(%u), dump:\n", i);
-		igt_dump_block(test, mm, root);
+		dump_block(test, mm, root);
 	}
 
 	return err;
 }
 
-static void igt_mm_config(u64 *size, u64 *chunk_size)
+static void mm_config(u64 *size, u64 *chunk_size)
 {
 	DRM_RND_STATE(prng, random_seed);
 	u32 s, ms;
@@ -321,7 +321,7 @@  static void igt_mm_config(u64 *size, u64 *chunk_size)
 	*size = (u64)s << 12;
 }
 
-static void igt_buddy_alloc_pathological(struct kunit *test)
+static void drm_buddy_alloc_pathological(struct kunit *test)
 {
 	u64 mm_size, size, start = 0;
 	struct drm_buddy_block *block;
@@ -402,7 +402,7 @@  static void igt_buddy_alloc_pathological(struct kunit *test)
 	drm_buddy_fini(&mm);
 }
 
-static void igt_buddy_alloc_smoke(struct kunit *test)
+static void drm_buddy_alloc_smoke(struct kunit *test)
 {
 	u64 mm_size, chunk_size, start = 0;
 	unsigned long flags = 0;
@@ -411,9 +411,9 @@  static void igt_buddy_alloc_smoke(struct kunit *test)
 	int i;
 
 	DRM_RND_STATE(prng, random_seed);
-	IGT_TIMEOUT(end_time);
+	TIMEOUT(end_time);
 
-	igt_mm_config(&mm_size, &chunk_size);
+	mm_config(&mm_size, &chunk_size);
 
 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, mm_size, chunk_size),
 			       "buddy_init failed\n");
@@ -430,7 +430,7 @@  static void igt_buddy_alloc_smoke(struct kunit *test)
 		LIST_HEAD(tmp);
 		int order, err;
 
-		KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
+		KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
 				       "pre-mm check failed, abort\n");
 
 		order = max_order;
@@ -466,19 +466,19 @@  static void igt_buddy_alloc_smoke(struct kunit *test)
 
 			total += drm_buddy_block_size(&mm, block);
 
-			if (__igt_timeout(end_time, NULL)) {
+			if (__timeout(end_time, NULL)) {
 				timeout = true;
 				break;
 			}
 		} while (total < mm.size);
 
 		if (!err)
-			err = igt_check_blocks(test, &mm, &blocks, total, false);
+			err = check_blocks(test, &mm, &blocks, total, false);
 
 		drm_buddy_free_list(&mm, &blocks);
 
 		if (!err) {
-			KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm),
+			KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm),
 					       "post-mm check failed\n");
 		}
 
@@ -492,7 +492,7 @@  static void igt_buddy_alloc_smoke(struct kunit *test)
 	drm_buddy_fini(&mm);
 }
 
-static void igt_buddy_alloc_pessimistic(struct kunit *test)
+static void drm_buddy_alloc_pessimistic(struct kunit *test)
 {
 	u64 mm_size, size, start = 0;
 	struct drm_buddy_block *block, *bn;
@@ -587,7 +587,7 @@  static void igt_buddy_alloc_pessimistic(struct kunit *test)
 	drm_buddy_fini(&mm);
 }
 
-static void igt_buddy_alloc_optimistic(struct kunit *test)
+static void drm_buddy_alloc_optimistic(struct kunit *test)
 {
 	u64 mm_size, size, start = 0;
 	struct drm_buddy_block *block;
@@ -633,7 +633,7 @@  static void igt_buddy_alloc_optimistic(struct kunit *test)
 	drm_buddy_fini(&mm);
 }
 
-static void igt_buddy_alloc_range(struct kunit *test)
+static void drm_buddy_alloc_range(struct kunit *test)
 {
 	unsigned long flags = DRM_BUDDY_RANGE_ALLOCATION;
 	u64 offset, size, rem, chunk_size, end;
@@ -641,12 +641,12 @@  static void igt_buddy_alloc_range(struct kunit *test)
 	struct drm_buddy mm;
 	LIST_HEAD(blocks);
 
-	igt_mm_config(&size, &chunk_size);
+	mm_config(&size, &chunk_size);
 
 	KUNIT_ASSERT_FALSE_MSG(test, drm_buddy_init(&mm, size, chunk_size),
 			       "buddy_init failed");
 
-	KUNIT_ASSERT_FALSE_MSG(test, igt_check_mm(test, &mm),
+	KUNIT_ASSERT_FALSE_MSG(test, check_mm(test, &mm),
 			       "pre-mm check failed, abort!");
 
 	rem = mm.size;
@@ -671,7 +671,7 @@  static void igt_buddy_alloc_range(struct kunit *test)
 				    "alloc_range start offset mismatch, found=%llx, expected=%llx\n",
 							drm_buddy_block_offset(block), offset);
 
-		KUNIT_ASSERT_FALSE(test, igt_check_blocks(test, &mm, &tmp, size, true));
+		KUNIT_ASSERT_FALSE(test, check_blocks(test, &mm, &tmp, size, true));
 
 		list_splice_tail(&tmp, &blocks);
 
@@ -686,12 +686,12 @@  static void igt_buddy_alloc_range(struct kunit *test)
 
 	drm_buddy_free_list(&mm, &blocks);
 
-	KUNIT_EXPECT_FALSE_MSG(test, igt_check_mm(test, &mm), "post-mm check failed\n");
+	KUNIT_EXPECT_FALSE_MSG(test, check_mm(test, &mm), "post-mm check failed\n");
 
 	drm_buddy_fini(&mm);
 }
 
-static void igt_buddy_alloc_limit(struct kunit *test)
+static void drm_buddy_alloc_limit(struct kunit *test)
 {
 	u64 size = U64_MAX, start = 0;
 	struct drm_buddy_block *block;
@@ -735,12 +735,12 @@  static int drm_buddy_init_test(struct kunit *test)
 }
 
 static struct kunit_case drm_buddy_tests[] = {
-	KUNIT_CASE(igt_buddy_alloc_limit),
-	KUNIT_CASE(igt_buddy_alloc_range),
-	KUNIT_CASE(igt_buddy_alloc_optimistic),
-	KUNIT_CASE(igt_buddy_alloc_pessimistic),
-	KUNIT_CASE(igt_buddy_alloc_smoke),
-	KUNIT_CASE(igt_buddy_alloc_pathological),
+	KUNIT_CASE(drm_buddy_alloc_limit),
+	KUNIT_CASE(drm_buddy_alloc_range),
+	KUNIT_CASE(drm_buddy_alloc_optimistic),
+	KUNIT_CASE(drm_buddy_alloc_pessimistic),
+	KUNIT_CASE(drm_buddy_alloc_smoke),
+	KUNIT_CASE(drm_buddy_alloc_pathological),
 	{}
 };
 
diff --git a/drivers/gpu/drm/tests/drm_damage_helper_test.c b/drivers/gpu/drm/tests/drm_damage_helper_test.c
index bf250bd08d7e..91005b051c5c 100644
--- a/drivers/gpu/drm/tests/drm_damage_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_damage_helper_test.c
@@ -111,7 +111,7 @@  static void check_damage_clip(struct kunit *test, struct drm_rect *r,
 			   r->x1, r->y1, r->x2, r->y2, x1, y1, x2, y2);
 }
 
-static void igt_damage_iter_no_damage(struct kunit *test)
+static void drm_damage_iter_no_damage(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -129,7 +129,7 @@  static void igt_damage_iter_no_damage(struct kunit *test)
 	check_damage_clip(test, &clip, 0, 0, 2048, 2048);
 }
 
-static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
+static void drm_damage_iter_no_damage_fractional_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -150,7 +150,7 @@  static void igt_damage_iter_no_damage_fractional_src(struct kunit *test)
 	check_damage_clip(test, &clip, 3, 3, 1028, 772);
 }
 
-static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
+static void drm_damage_iter_no_damage_src_moved(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -169,7 +169,7 @@  static void igt_damage_iter_no_damage_src_moved(struct kunit *test)
 	check_damage_clip(test, &clip, 10, 10, 1034, 778);
 }
 
-static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
+static void drm_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -189,7 +189,7 @@  static void igt_damage_iter_no_damage_fractional_src_moved(struct kunit *test)
 	check_damage_clip(test, &clip, 4, 4, 1029, 773);
 }
 
-static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
+static void drm_damage_iter_no_damage_not_visible(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -207,7 +207,7 @@  static void igt_damage_iter_no_damage_not_visible(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
 }
 
-static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
+static void drm_damage_iter_no_damage_no_crtc(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -225,7 +225,7 @@  static void igt_damage_iter_no_damage_no_crtc(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
 }
 
-static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
+static void drm_damage_iter_no_damage_no_fb(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -243,7 +243,7 @@  static void igt_damage_iter_no_damage_no_fb(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
 }
 
-static void igt_damage_iter_simple_damage(struct kunit *test)
+static void drm_damage_iter_simple_damage(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -266,7 +266,7 @@  static void igt_damage_iter_simple_damage(struct kunit *test)
 	check_damage_clip(test, &clip, 0, 0, 1024, 768);
 }
 
-static void igt_damage_iter_single_damage(struct kunit *test)
+static void drm_damage_iter_single_damage(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -288,7 +288,7 @@  static void igt_damage_iter_single_damage(struct kunit *test)
 	check_damage_clip(test, &clip, 256, 192, 768, 576);
 }
 
-static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
+static void drm_damage_iter_single_damage_intersect_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -311,7 +311,7 @@  static void igt_damage_iter_single_damage_intersect_src(struct kunit *test)
 	check_damage_clip(test, &clip, 256, 192, 1024, 768);
 }
 
-static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
+static void drm_damage_iter_single_damage_outside_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -333,7 +333,7 @@  static void igt_damage_iter_single_damage_outside_src(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
 }
 
-static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
+static void drm_damage_iter_single_damage_fractional_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -358,7 +358,7 @@  static void igt_damage_iter_single_damage_fractional_src(struct kunit *test)
 	check_damage_clip(test, &clip, 10, 10, 256, 330);
 }
 
-static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
+static void drm_damage_iter_single_damage_intersect_fractional_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -385,7 +385,7 @@  static void igt_damage_iter_single_damage_intersect_fractional_src(struct kunit
 	check_damage_clip(test, &clip, 10, 4, 1029, 330);
 }
 
-static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
+static void drm_damage_iter_single_damage_outside_fractional_src(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -410,7 +410,7 @@  static void igt_damage_iter_single_damage_outside_fractional_src(struct kunit *t
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 0, "Should have no damage.");
 }
 
-static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
+static void drm_damage_iter_single_damage_src_moved(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -435,7 +435,7 @@  static void igt_damage_iter_single_damage_src_moved(struct kunit *test)
 	check_damage_clip(test, &clip, 10, 10, 1034, 778);
 }
 
-static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
+static void drm_damage_iter_single_damage_fractional_src_moved(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -462,7 +462,7 @@  static void igt_damage_iter_single_damage_fractional_src_moved(struct kunit *tes
 	check_damage_clip(test, &clip, 4, 4, 1029, 773);
 }
 
-static void igt_damage_iter_damage(struct kunit *test)
+static void drm_damage_iter_damage(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -490,7 +490,7 @@  static void igt_damage_iter_damage(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
 }
 
-static void igt_damage_iter_damage_one_intersect(struct kunit *test)
+static void drm_damage_iter_damage_one_intersect(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -520,7 +520,7 @@  static void igt_damage_iter_damage_one_intersect(struct kunit *test)
 	KUNIT_EXPECT_EQ_MSG(test, num_hits, 2, "Should return damage when set.");
 }
 
-static void igt_damage_iter_damage_one_outside(struct kunit *test)
+static void drm_damage_iter_damage_one_outside(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -544,7 +544,7 @@  static void igt_damage_iter_damage_one_outside(struct kunit *test)
 	check_damage_clip(test, &clip, 240, 200, 280, 250);
 }
 
-static void igt_damage_iter_damage_src_moved(struct kunit *test)
+static void drm_damage_iter_damage_src_moved(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -571,7 +571,7 @@  static void igt_damage_iter_damage_src_moved(struct kunit *test)
 	check_damage_clip(test, &clip, 3, 3, 1028, 772);
 }
 
-static void igt_damage_iter_damage_not_visible(struct kunit *test)
+static void drm_damage_iter_damage_not_visible(struct kunit *test)
 {
 	struct drm_damage_mock *mock = test->priv;
 	struct drm_atomic_helper_damage_iter iter;
@@ -599,27 +599,27 @@  static void igt_damage_iter_damage_not_visible(struct kunit *test)
 }
 
 static struct kunit_case drm_damage_helper_tests[] = {
-	KUNIT_CASE(igt_damage_iter_no_damage),
-	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src),
-	KUNIT_CASE(igt_damage_iter_no_damage_src_moved),
-	KUNIT_CASE(igt_damage_iter_no_damage_fractional_src_moved),
-	KUNIT_CASE(igt_damage_iter_no_damage_not_visible),
-	KUNIT_CASE(igt_damage_iter_no_damage_no_crtc),
-	KUNIT_CASE(igt_damage_iter_no_damage_no_fb),
-	KUNIT_CASE(igt_damage_iter_simple_damage),
-	KUNIT_CASE(igt_damage_iter_single_damage),
-	KUNIT_CASE(igt_damage_iter_single_damage_intersect_src),
-	KUNIT_CASE(igt_damage_iter_single_damage_outside_src),
-	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src),
-	KUNIT_CASE(igt_damage_iter_single_damage_intersect_fractional_src),
-	KUNIT_CASE(igt_damage_iter_single_damage_outside_fractional_src),
-	KUNIT_CASE(igt_damage_iter_single_damage_src_moved),
-	KUNIT_CASE(igt_damage_iter_single_damage_fractional_src_moved),
-	KUNIT_CASE(igt_damage_iter_damage),
-	KUNIT_CASE(igt_damage_iter_damage_one_intersect),
-	KUNIT_CASE(igt_damage_iter_damage_one_outside),
-	KUNIT_CASE(igt_damage_iter_damage_src_moved),
-	KUNIT_CASE(igt_damage_iter_damage_not_visible),
+	KUNIT_CASE(drm_damage_iter_no_damage),
+	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src),
+	KUNIT_CASE(drm_damage_iter_no_damage_src_moved),
+	KUNIT_CASE(drm_damage_iter_no_damage_fractional_src_moved),
+	KUNIT_CASE(drm_damage_iter_no_damage_not_visible),
+	KUNIT_CASE(drm_damage_iter_no_damage_no_crtc),
+	KUNIT_CASE(drm_damage_iter_no_damage_no_fb),
+	KUNIT_CASE(drm_damage_iter_simple_damage),
+	KUNIT_CASE(drm_damage_iter_single_damage),
+	KUNIT_CASE(drm_damage_iter_single_damage_intersect_src),
+	KUNIT_CASE(drm_damage_iter_single_damage_outside_src),
+	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src),
+	KUNIT_CASE(drm_damage_iter_single_damage_intersect_fractional_src),
+	KUNIT_CASE(drm_damage_iter_single_damage_outside_fractional_src),
+	KUNIT_CASE(drm_damage_iter_single_damage_src_moved),
+	KUNIT_CASE(drm_damage_iter_single_damage_fractional_src_moved),
+	KUNIT_CASE(drm_damage_iter_damage),
+	KUNIT_CASE(drm_damage_iter_damage_one_intersect),
+	KUNIT_CASE(drm_damage_iter_damage_one_outside),
+	KUNIT_CASE(drm_damage_iter_damage_src_moved),
+	KUNIT_CASE(drm_damage_iter_damage_not_visible),
 	{ }
 };
 
diff --git a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
index 1d2fade56227..88fc661b5559 100644
--- a/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_dp_mst_helper_test.c
@@ -16,7 +16,7 @@ 
 
 #include "../display/drm_dp_mst_topology_internal.h"
 
-static void igt_dp_mst_calc_pbn_mode(struct kunit *test)
+static void drm_dp_mst_calc_pbn_mode(struct kunit *test)
 {
 	int pbn, i;
 	const struct {
@@ -177,7 +177,7 @@  sideband_msg_req_encode_decode(struct drm_dp_sideband_msg_req_body *in)
 	return result;
 }
 
-static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
+static void drm_dp_mst_sideband_msg_req_decode(struct kunit *test)
 {
 	struct drm_dp_sideband_msg_req_body in = { 0 };
 	u8 data[] = { 0xff, 0x0, 0xdd };
@@ -271,8 +271,8 @@  static void igt_dp_mst_sideband_msg_req_decode(struct kunit *test)
 }
 
 static struct kunit_case drm_dp_mst_helper_tests[] = {
-	KUNIT_CASE(igt_dp_mst_calc_pbn_mode),
-	KUNIT_CASE(igt_dp_mst_sideband_msg_req_decode),
+	KUNIT_CASE(drm_dp_mst_calc_pbn_mode),
+	KUNIT_CASE(drm_dp_mst_sideband_msg_req_decode),
 	{ }
 };
 
diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
index 828487071796..322240d7fceb 100644
--- a/drivers/gpu/drm/tests/drm_format_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
@@ -192,7 +192,7 @@  static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,
 KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases,
 		  convert_xrgb8888_case_desc);
 
-static void xrgb8888_to_rgb332_test(struct kunit *test)
+static void drm_fb_xrgb8888_to_rgb332_test(struct kunit *test)
 {
 	const struct convert_xrgb8888_case *params = test->param_value;
 	const struct convert_to_rgb332_result *result = &params->rgb332_result;
@@ -222,7 +222,7 @@  static void xrgb8888_to_rgb332_test(struct kunit *test)
 	KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0);
 }
 
-static void xrgb8888_to_rgb565_test(struct kunit *test)
+static void drm_fb_xrgb8888_to_rgb565_test(struct kunit *test)
 {
 	const struct convert_xrgb8888_case *params = test->param_value;
 	const struct convert_to_rgb565_result *result = &params->rgb565_result;
@@ -256,8 +256,8 @@  static void xrgb8888_to_rgb565_test(struct kunit *test)
 }
 
 static struct kunit_case drm_format_helper_test_cases[] = {
-	KUNIT_CASE_PARAM(xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
-	KUNIT_CASE_PARAM(xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
+	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb332_test, convert_xrgb8888_gen_params),
+	KUNIT_CASE_PARAM(drm_fb_xrgb8888_to_rgb565_test, convert_xrgb8888_gen_params),
 	{}
 };
 
diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c
index afb4bca72187..ed8b4a2dd849 100644
--- a/drivers/gpu/drm/tests/drm_format_test.c
+++ b/drivers/gpu/drm/tests/drm_format_test.c
@@ -9,7 +9,7 @@ 
 
 #include <drm/drm_fourcc.h>
 
-static void igt_check_drm_format_block_width(struct kunit *test)
+static void drm_format_block_width_test(struct kunit *test)
 {
 	const struct drm_format_info *info = NULL;
 
@@ -50,7 +50,7 @@  static void igt_check_drm_format_block_width(struct kunit *test)
 	KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1));
 }
 
-static void igt_check_drm_format_block_height(struct kunit *test)
+static void drm_format_block_height_test(struct kunit *test)
 {
 	const struct drm_format_info *info = NULL;
 
@@ -91,7 +91,7 @@  static void igt_check_drm_format_block_height(struct kunit *test)
 	KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1));
 }
 
-static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
+static void drm_format_min_pitch_for_single_plane_test(struct kunit *test)
 {
 	const struct drm_format_info *info = NULL;
 
@@ -177,7 +177,7 @@  static void igt_check_drm_format_min_pitch_for_single_plane(struct kunit *test)
 			(uint64_t)(UINT_MAX - 1) * 4);
 }
 
-static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
+static void drm_format_min_pitch_for_multi_planar_test(struct kunit *test)
 {
 	const struct drm_format_info *info = NULL;
 
@@ -256,7 +256,7 @@  static void igt_check_drm_format_min_pitch_for_multi_planar(struct kunit *test)
 			(uint64_t)(UINT_MAX - 1) / 2);
 }
 
-static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
+static void drm_format_min_pitch_for_tiled_format_test(struct kunit *test)
 {
 	const struct drm_format_info *info = NULL;
 
@@ -281,11 +281,11 @@  static void igt_check_drm_format_min_pitch_for_tiled_format(struct kunit *test)
 }
 
 static struct kunit_case drm_format_tests[] = {
-	KUNIT_CASE(igt_check_drm_format_block_width),
-	KUNIT_CASE(igt_check_drm_format_block_height),
-	KUNIT_CASE(igt_check_drm_format_min_pitch_for_single_plane),
-	KUNIT_CASE(igt_check_drm_format_min_pitch_for_multi_planar),
-	KUNIT_CASE(igt_check_drm_format_min_pitch_for_tiled_format),
+	KUNIT_CASE(drm_format_block_width_test),
+	KUNIT_CASE(drm_format_block_height_test),
+	KUNIT_CASE(drm_format_min_pitch_for_single_plane_test),
+	KUNIT_CASE(drm_format_min_pitch_for_multi_planar_test),
+	KUNIT_CASE(drm_format_min_pitch_for_tiled_format_test),
 	{ }
 };
 
diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
index 1e2c1aa524bd..a50fd1ef2af5 100644
--- a/drivers/gpu/drm/tests/drm_mm_test.c
+++ b/drivers/gpu/drm/tests/drm_mm_test.c
@@ -191,7 +191,7 @@  static bool assert_node(struct kunit *test, struct drm_mm_node *node, struct drm
 	return ok;
 }
 
-static void igt_mm_init(struct kunit *test)
+static void drm_mm_check_init(struct kunit *test)
 {
 	const unsigned int size = 4096;
 	struct drm_mm mm;
@@ -245,7 +245,7 @@  static void igt_mm_init(struct kunit *test)
 	drm_mm_takedown(&mm);
 }
 
-static void igt_mm_debug(struct kunit *test)
+static void drm_mm_debug(struct kunit *test)
 {
 	struct drm_mm mm;
 	struct drm_mm_node nodes[2];
@@ -341,7 +341,7 @@  static bool check_reserve_boundaries(struct kunit *test, struct drm_mm *mm,
 	return true;
 }
 
-static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
+static int __drm_mm_reserve(struct kunit *test, unsigned int count, u64 size)
 {
 	DRM_RND_STATE(prng, random_seed);
 	struct drm_mm mm;
@@ -349,7 +349,7 @@  static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
 	unsigned int *order, n, m, o = 0;
 	int ret, err;
 
-	/* For exercising drm_mm_reserve_node(struct kunit *test, ), we want to check that
+	/* For exercising drm_mm_reserve_node(), we want to check that
 	 * reservations outside of the drm_mm range are rejected, and to
 	 * overlapping and otherwise already occupied ranges. Afterwards,
 	 * the tree and nodes should be intact.
@@ -463,7 +463,7 @@  static int __igt_reserve(struct kunit *test, unsigned int count, u64 size)
 	return ret;
 }
 
-static void igt_mm_reserve(struct kunit *test)
+static void drm_mm_reserve(struct kunit *test)
 {
 	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
 	int n;
@@ -471,9 +471,9 @@  static void igt_mm_reserve(struct kunit *test)
 	for_each_prime_number_from(n, 1, 54) {
 		u64 size = BIT_ULL(n);
 
-		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size - 1));
-		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size));
-		KUNIT_ASSERT_FALSE(test, __igt_reserve(test, count, size + 1));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size - 1));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_reserve(test, count, size + 1));
 
 		cond_resched();
 	}
@@ -524,7 +524,7 @@  static bool expect_insert_fail(struct kunit *test, struct drm_mm *mm, u64 size)
 	return false;
 }
 
-static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
+static int __drm_mm_insert(struct kunit *test, unsigned int count, u64 size, bool replace)
 {
 	DRM_RND_STATE(prng, random_seed);
 	const struct insert_mode *mode;
@@ -660,7 +660,7 @@  static int __igt_insert(struct kunit *test, unsigned int count, u64 size, bool r
 	return ret;
 }
 
-static void igt_mm_insert(struct kunit *test)
+static void drm_mm_insert(struct kunit *test)
 {
 	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
 	unsigned int n;
@@ -668,20 +668,20 @@  static void igt_mm_insert(struct kunit *test)
 	for_each_prime_number_from(n, 1, 54) {
 		u64 size = BIT_ULL(n);
 
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, false));
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, false));
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, false));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, false));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, false));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, false));
 
 		cond_resched();
 	}
 }
 
-static void igt_mm_replace(struct kunit *test)
+static void drm_mm_replace(struct kunit *test)
 {
 	const unsigned int count = min_t(unsigned int, BIT(10), max_iterations);
 	unsigned int n;
 
-	/* Reuse igt_insert to exercise replacement by inserting a dummy node,
+	/* Reuse __drm_mm_insert to exercise replacement by inserting a dummy node,
 	 * then replacing it with the intended node. We want to check that
 	 * the tree is intact and all the information we need is carried
 	 * across to the target node.
@@ -690,9 +690,9 @@  static void igt_mm_replace(struct kunit *test)
 	for_each_prime_number_from(n, 1, 54) {
 		u64 size = BIT_ULL(n);
 
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size - 1, true));
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size, true));
-		KUNIT_ASSERT_FALSE(test, __igt_insert(test, count, size + 1, true));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size - 1, true));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size, true));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert(test, count, size + 1, true));
 
 		cond_resched();
 	}
@@ -808,7 +808,8 @@  static bool assert_contiguous_in_range(struct kunit *test, struct drm_mm *mm,
 	return true;
 }
 
-static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size, u64 start, u64 end)
+static int __drm_mm_insert_range(struct kunit *test, unsigned int count, u64 size,
+				 u64 start, u64 end)
 {
 	const struct insert_mode *mode;
 	struct drm_mm mm;
@@ -820,7 +821,7 @@  static int __igt_insert_range(struct kunit *test, unsigned int count, u64 size,
 	DRM_MM_BUG_ON(!size);
 	DRM_MM_BUG_ON(end <= start);
 
-	/* Very similar to __igt_insert(struct kunit *test, ), but now instead of populating the
+	/* Very similar to __drm_mm_insert(), but now instead of populating the
 	 * full range of the drm_mm, we try to fill a small portion of it.
 	 */
 
@@ -921,7 +922,7 @@  static int insert_outside_range(struct kunit *test)
 	return 0;
 }
 
-static void igt_mm_insert_range(struct kunit *test)
+static void drm_mm_insert_range(struct kunit *test)
 {
 	const unsigned int count = min_t(unsigned int, BIT(13), max_iterations);
 	unsigned int n;
@@ -933,21 +934,21 @@  static void igt_mm_insert_range(struct kunit *test)
 		const u64 size = BIT_ULL(n);
 		const u64 max = count * size;
 
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max));
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 1, max));
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max - 1));
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, 0, max / 2));
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size, max / 2, max / 2));
-		KUNIT_ASSERT_FALSE(test, __igt_insert_range(test, count, size,
-							    max / 4 + 1, 3 * max / 4 - 1));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 1, max));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max - 1));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size, 0, max / 2));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
+							       max / 2, max / 2));
+		KUNIT_ASSERT_FALSE(test, __drm_mm_insert_range(test, count, size,
+							       max / 4 + 1, 3 * max / 4 - 1));
 
 		cond_resched();
 	}
 }
 
-static int prepare_igt_frag(struct kunit *test, struct drm_mm *mm,
-			    struct drm_mm_node *nodes, unsigned int num_insert,
-			    const struct insert_mode *mode)
+static int prepare_frag(struct kunit *test, struct drm_mm *mm, struct drm_mm_node *nodes,
+			unsigned int num_insert, const struct insert_mode *mode)
 {
 	unsigned int size = 4096;
 	unsigned int i;
@@ -987,7 +988,7 @@  static u64 get_insert_time(struct kunit *test, struct drm_mm *mm,
 	return ktime_to_ns(ktime_sub(ktime_get(), start));
 }
 
-static void igt_mm_frag(struct kunit *test)
+static void drm_mm_frag(struct kunit *test)
 {
 	struct drm_mm mm;
 	const struct insert_mode *mode;
@@ -997,15 +998,15 @@  static void igt_mm_frag(struct kunit *test)
 
 	/* We need 4 * insert_size nodes to hold intermediate allocated
 	 * drm_mm nodes.
-	 * 1 times for prepare_igt_frag(struct kunit *test, )
-	 * 1 times for get_insert_time(struct kunit *test, )
-	 * 2 times for get_insert_time(struct kunit *test, )
+	 * 1 times for prepare_frag()
+	 * 1 times for get_insert_time()
+	 * 2 times for get_insert_time()
 	 */
 	nodes = vzalloc(array_size(insert_size * 4, sizeof(*nodes)));
 	KUNIT_ASSERT_TRUE(test, nodes);
 
 	/* For BOTTOMUP and TOPDOWN, we first fragment the
-	 * address space using prepare_igt_frag(struct kunit *test, ) and then try to verify
+	 * address space using prepare_frag() and then try to verify
 	 * that insertions scale quadratically from 10k to 20k insertions
 	 */
 	drm_mm_init(&mm, 1, U64_MAX - 2);
@@ -1016,7 +1017,7 @@  static void igt_mm_frag(struct kunit *test)
 		    mode->mode != DRM_MM_INSERT_HIGH)
 			continue;
 
-		if (prepare_igt_frag(test, &mm, nodes, insert_size, mode))
+		if (prepare_frag(test, &mm, nodes, insert_size, mode))
 			goto err;
 
 		insert_time1 = get_insert_time(test, &mm, insert_size,
@@ -1049,7 +1050,7 @@  static void igt_mm_frag(struct kunit *test)
 	vfree(nodes);
 }
 
-static void igt_mm_align(struct kunit *test)
+static void drm_mm_align(struct kunit *test)
 {
 	const struct insert_mode *mode;
 	const unsigned int max_count = min(8192u, max_prime);
@@ -1096,7 +1097,7 @@  static void igt_mm_align(struct kunit *test)
 	vfree(nodes);
 }
 
-static void igt_align_pot(struct kunit *test, int max)
+static void drm_mm_align_pot(struct kunit *test, int max)
 {
 	struct drm_mm mm;
 	struct drm_mm_node *node, *next;
@@ -1133,14 +1134,14 @@  static void igt_align_pot(struct kunit *test, int max)
 	drm_mm_takedown(&mm);
 }
 
-static void igt_mm_align32(struct kunit *test)
+static void drm_mm_align32(struct kunit *test)
 {
-	igt_align_pot(test, 32);
+	drm_mm_align_pot(test, 32);
 }
 
-static void igt_mm_align64(struct kunit *test)
+static void drm_mm_align64(struct kunit *test)
 {
-	igt_align_pot(test, 64);
+	drm_mm_align_pot(test, 64);
 }
 
 static void show_scan(struct kunit *test, const struct drm_mm_scan *scan)
@@ -1386,7 +1387,7 @@  static int evict_something(struct kunit *test, struct drm_mm *mm,
 	return 0;
 }
 
-static void igt_mm_evict(struct kunit *test)
+static void drm_mm_evict(struct kunit *test)
 {
 	DRM_RND_STATE(prng, random_seed);
 	const unsigned int size = 8192;
@@ -1477,7 +1478,7 @@  static void igt_mm_evict(struct kunit *test)
 	vfree(nodes);
 }
 
-static void igt_mm_evict_range(struct kunit *test)
+static void drm_mm_evict_range(struct kunit *test)
 {
 	DRM_RND_STATE(prng, random_seed);
 	const unsigned int size = 8192;
@@ -1490,7 +1491,7 @@  static void igt_mm_evict_range(struct kunit *test)
 	struct drm_mm_node *node, *next;
 	unsigned int *order, n;
 
-	/* Like igt_evict() but now we are limiting the search to a
+	/* Like drm_mm_evict() but now we are limiting the search to a
 	 * small portion of the full drm_mm.
 	 */
 
@@ -1564,7 +1565,7 @@  static unsigned int node_index(const struct drm_mm_node *node)
 	return div64_u64(node->start, node->size);
 }
 
-static void igt_mm_topdown(struct kunit *test)
+static void drm_mm_topdown(struct kunit *test)
 {
 	const struct insert_mode *topdown = &insert_modes[TOPDOWN];
 
@@ -1671,7 +1672,7 @@  static void igt_mm_topdown(struct kunit *test)
 	vfree(nodes);
 }
 
-static void igt_mm_bottomup(struct kunit *test)
+static void drm_mm_bottomup(struct kunit *test)
 {
 	const struct insert_mode *bottomup = &insert_modes[BOTTOMUP];
 
@@ -1683,7 +1684,7 @@  static void igt_mm_bottomup(struct kunit *test)
 	struct drm_mm_node *nodes, *node, *next;
 	unsigned int *order, n, m, o = 0;
 
-	/* Like igt_topdown, but instead of searching for the last hole,
+	/* Like drm_mm_topdown, but instead of searching for the last hole,
 	 * we search for the first.
 	 */
 
@@ -1763,7 +1764,7 @@  static void igt_mm_bottomup(struct kunit *test)
 	vfree(nodes);
 }
 
-static void __igt_once(struct kunit *test, unsigned int mode)
+static void __drm_mm_once(struct kunit *test, unsigned int mode)
 {
 	struct drm_mm mm;
 	struct drm_mm_node rsvd_lo, rsvd_hi, node;
@@ -1806,14 +1807,14 @@  static void __igt_once(struct kunit *test, unsigned int mode)
 	drm_mm_takedown(&mm);
 }
 
-static void igt_mm_lowest(struct kunit *test)
+static void drm_mm_lowest(struct kunit *test)
 {
-	__igt_once(test, DRM_MM_INSERT_LOW);
+	__drm_mm_once(test, DRM_MM_INSERT_LOW);
 }
 
-static void igt_mm_highest(struct kunit *test)
+static void drm_mm_highest(struct kunit *test)
 {
-	__igt_once(test, DRM_MM_INSERT_HIGH);
+	__drm_mm_once(test, DRM_MM_INSERT_HIGH);
 }
 
 static void separate_adjacent_colors(const struct drm_mm_node *node,
@@ -1842,7 +1843,7 @@  static bool colors_abutt(struct kunit *test, const struct drm_mm_node *node)
 	return false;
 }
 
-static void igt_mm_color(struct kunit *test)
+static void drm_mm_color(struct kunit *test)
 {
 	const unsigned int count = min(4096u, max_iterations);
 	const struct insert_mode *mode;
@@ -2041,7 +2042,7 @@  static int evict_color(struct kunit *test, struct drm_mm *mm, u64 range_start,
 	return 0;
 }
 
-static void igt_mm_color_evict(struct kunit *test)
+static void drm_mm_color_evict(struct kunit *test)
 {
 	DRM_RND_STATE(prng, random_seed);
 	const unsigned int total_size = min(8192u, max_iterations);
@@ -2122,7 +2123,7 @@  static void igt_mm_color_evict(struct kunit *test)
 	vfree(nodes);
 }
 
-static void igt_mm_color_evict_range(struct kunit *test)
+static void drm_mm_color_evict_range(struct kunit *test)
 {
 	DRM_RND_STATE(prng, random_seed);
 	const unsigned int total_size = 8192;
@@ -2136,7 +2137,7 @@  static void igt_mm_color_evict_range(struct kunit *test)
 	struct drm_mm_node *node, *next;
 	unsigned int *order, n;
 
-	/* Like igt_color_evict(), but limited to small portion of the full
+	/* Like drm_mm_color_evict(), but limited to small portion of the full
 	 * drm_mm range.
 	 */
 
@@ -2221,25 +2222,25 @@  module_param(max_iterations, uint, 0400);
 module_param(max_prime, uint, 0400);
 
 static struct kunit_case drm_mm_tests[] = {
-	KUNIT_CASE(igt_mm_init),
-	KUNIT_CASE(igt_mm_debug),
-	KUNIT_CASE(igt_mm_reserve),
-	KUNIT_CASE(igt_mm_insert),
-	KUNIT_CASE(igt_mm_replace),
-	KUNIT_CASE(igt_mm_insert_range),
-	KUNIT_CASE(igt_mm_frag),
-	KUNIT_CASE(igt_mm_align),
-	KUNIT_CASE(igt_mm_align32),
-	KUNIT_CASE(igt_mm_align64),
-	KUNIT_CASE(igt_mm_evict),
-	KUNIT_CASE(igt_mm_evict_range),
-	KUNIT_CASE(igt_mm_topdown),
-	KUNIT_CASE(igt_mm_bottomup),
-	KUNIT_CASE(igt_mm_lowest),
-	KUNIT_CASE(igt_mm_highest),
-	KUNIT_CASE(igt_mm_color),
-	KUNIT_CASE(igt_mm_color_evict),
-	KUNIT_CASE(igt_mm_color_evict_range),
+	KUNIT_CASE(drm_mm_check_init),
+	KUNIT_CASE(drm_mm_debug),
+	KUNIT_CASE(drm_mm_reserve),
+	KUNIT_CASE(drm_mm_insert),
+	KUNIT_CASE(drm_mm_replace),
+	KUNIT_CASE(drm_mm_insert_range),
+	KUNIT_CASE(drm_mm_frag),
+	KUNIT_CASE(drm_mm_align),
+	KUNIT_CASE(drm_mm_align32),
+	KUNIT_CASE(drm_mm_align64),
+	KUNIT_CASE(drm_mm_evict),
+	KUNIT_CASE(drm_mm_evict_range),
+	KUNIT_CASE(drm_mm_topdown),
+	KUNIT_CASE(drm_mm_bottomup),
+	KUNIT_CASE(drm_mm_lowest),
+	KUNIT_CASE(drm_mm_highest),
+	KUNIT_CASE(drm_mm_color),
+	KUNIT_CASE(drm_mm_color_evict),
+	KUNIT_CASE(drm_mm_color_evict_range),
 	{}
 };
 
diff --git a/drivers/gpu/drm/tests/drm_plane_helper_test.c b/drivers/gpu/drm/tests/drm_plane_helper_test.c
index be6cff0020ed..90843395fd28 100644
--- a/drivers/gpu/drm/tests/drm_plane_helper_test.c
+++ b/drivers/gpu/drm/tests/drm_plane_helper_test.c
@@ -73,7 +73,7 @@  static bool check_crtc_eq(struct drm_plane_state *plane_state,
 	return true;
 }
 
-static void igt_check_plane_state(struct kunit *test)
+static void drm_check_plane_state_desc(struct kunit *test)
 {
 	int ret;
 
@@ -223,7 +223,7 @@  static void igt_check_plane_state(struct kunit *test)
 }
 
 static struct kunit_case drm_plane_helper_test[] = {
-	KUNIT_CASE(igt_check_plane_state),
+	KUNIT_CASE(drm_check_plane_state_desc),
 	{}
 };
 
diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c
index c1dbefd49a4c..a1a94781862f 100644
--- a/drivers/gpu/drm/tests/drm_rect_test.c
+++ b/drivers/gpu/drm/tests/drm_rect_test.c
@@ -9,7 +9,7 @@ 
 
 #include <drm/drm_rect.h>
 
-static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
+static void drm_rect_clip_scaled_div_by_zero(struct kunit *test)
 {
 	struct drm_rect src, dst, clip;
 	bool visible;
@@ -35,7 +35,7 @@  static void igt_drm_rect_clip_scaled_div_by_zero(struct kunit *test)
 	KUNIT_EXPECT_FALSE_MSG(test, drm_rect_visible(&src), "Source should not be visible\n");
 }
 
-static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
+static void drm_rect_clip_scaled_not_clipped(struct kunit *test)
 {
 	struct drm_rect src, dst, clip;
 	bool visible;
@@ -83,7 +83,7 @@  static void igt_drm_rect_clip_scaled_not_clipped(struct kunit *test)
 	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
 }
 
-static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
+static void drm_rect_clip_scaled_clipped(struct kunit *test)
 {
 	struct drm_rect src, dst, clip;
 	bool visible;
@@ -173,7 +173,7 @@  static void igt_drm_rect_clip_scaled_clipped(struct kunit *test)
 	KUNIT_EXPECT_TRUE_MSG(test, drm_rect_visible(&src), "Source should be visible\n");
 }
 
-static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
+static void drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
 {
 	struct drm_rect src, dst, clip;
 	bool visible;
@@ -197,10 +197,10 @@  static void igt_drm_rect_clip_scaled_signed_vs_unsigned(struct kunit *test)
 }
 
 static struct kunit_case drm_rect_tests[] = {
-	KUNIT_CASE(igt_drm_rect_clip_scaled_div_by_zero),
-	KUNIT_CASE(igt_drm_rect_clip_scaled_not_clipped),
-	KUNIT_CASE(igt_drm_rect_clip_scaled_clipped),
-	KUNIT_CASE(igt_drm_rect_clip_scaled_signed_vs_unsigned),
+	KUNIT_CASE(drm_rect_clip_scaled_div_by_zero),
+	KUNIT_CASE(drm_rect_clip_scaled_not_clipped),
+	KUNIT_CASE(drm_rect_clip_scaled_clipped),
+	KUNIT_CASE(drm_rect_clip_scaled_signed_vs_unsigned),
 	{ }
 };