diff mbox series

[9/9] drm/i915/selftests: mark up hugepages object with start_cpu_write

Message ID 20211018174508.2137279-9-matthew.auld@intel.com (mailing list archive)
State New, archived
Headers show
Series [1/9] drm/i915: mark dmabuf objects as ALLOC_USER | expand

Commit Message

Matthew Auld Oct. 18, 2021, 5:45 p.m. UTC
Just like we do for internal objects. Also just use
i915_gem_object_set_cache_coherency() here. No need for over-flushing on
LLC platforms.

Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
---
 drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Thomas Hellstrom Oct. 20, 2021, 3:12 p.m. UTC | #1
On Mon, 2021-10-18 at 18:45 +0100, Matthew Auld wrote:
> Just like we do for internal objects. Also just use
> i915_gem_object_set_cache_coherency() here. No need for over-flushing
> on
> LLC platforms.
> 
> Signed-off-by: Matthew Auld <matthew.auld@intel.com>
> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
Reivewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 41d0680f3bd7..b2003133deaf 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -136,6 +136,8 @@  static void put_huge_pages(struct drm_i915_gem_object *obj,
 	huge_pages_free_pages(pages);
 
 	obj->mm.dirty = false;
+
+	__start_cpu_write(obj);
 }
 
 static const struct drm_i915_gem_object_ops huge_page_ops = {
@@ -152,6 +154,7 @@  huge_pages_object(struct drm_i915_private *i915,
 {
 	static struct lock_class_key lock_class;
 	struct drm_i915_gem_object *obj;
+	unsigned int cache_level;
 
 	GEM_BUG_ON(!size);
 	GEM_BUG_ON(!IS_ALIGNED(size, BIT(__ffs(page_mask))));
@@ -173,7 +176,9 @@  huge_pages_object(struct drm_i915_private *i915,
 
 	obj->write_domain = I915_GEM_DOMAIN_CPU;
 	obj->read_domains = I915_GEM_DOMAIN_CPU;
-	obj->cache_level = I915_CACHE_NONE;
+
+	cache_level = HAS_LLC(i915) ? I915_CACHE_LLC : I915_CACHE_NONE;
+	i915_gem_object_set_cache_coherency(obj, cache_level);
 
 	obj->mm.page_mask = page_mask;