diff mbox series

[CI,v3,11/33] drm/i915: Store backpointer to intel_gt in the engine

Message ID 20190620153136.26200-1-tvrtko.ursulin@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series None | expand

Commit Message

Tvrtko Ursulin June 20, 2019, 3:31 p.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

It will come useful in the next patch.

v2:
 * Do mock_engine as well.

v3:
 * And the virtual engine...

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c    | 1 +
 drivers/gpu/drm/i915/gt/intel_engine_types.h | 2 ++
 drivers/gpu/drm/i915/gt/intel_lrc.c          | 1 +
 drivers/gpu/drm/i915/gt/mock_engine.c        | 1 +
 4 files changed, 5 insertions(+)

Comments

Chris Wilson June 20, 2019, 3:36 p.m. UTC | #1 
Quoting Tvrtko Ursulin (2019-06-20 16:31:36)
> diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
> index 82b7ace62d97..82fe6d5f08d4 100644
> --- a/drivers/gpu/drm/i915/gt/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
> @@ -3290,6 +3290,7 @@ intel_execlists_create_virtual(struct i915_gem_context *ctx,
>                 return ERR_PTR(-ENOMEM);
>  
>         ve->base.i915 = ctx->i915;
> +       ve->base.gt = siblings[0]->gt;

That poses an interesting dilemma:

	if (siblings[n]->gt != ve->base.gt)
		return -EINVAL?
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index c548f6d1c1a6..959ed303b5fc 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -316,6 +316,7 @@  intel_engine_setup(struct drm_i915_private *dev_priv,
 	engine->id = id;
 	engine->mask = BIT(id);
 	engine->i915 = dev_priv;
+	engine->gt = &dev_priv->gt;
 	engine->uncore = &dev_priv->uncore;
 	__sprint_engine_name(engine->name, info);
 	engine->hw_id = engine->guc_id = info->hw_id;
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 43e975a26016..9a734288153e 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -35,6 +35,7 @@  struct drm_i915_reg_table;
 struct i915_gem_context;
 struct i915_request;
 struct i915_sched_attr;
+struct intel_gt;
 struct intel_uncore;
 
 typedef u8 intel_engine_mask_t;
@@ -279,6 +280,7 @@  struct intel_engine_execlists {
 
 struct intel_engine_cs {
 	struct drm_i915_private *i915;
+	struct intel_gt *gt;
 	struct intel_uncore *uncore;
 	char name[INTEL_ENGINE_CS_MAX_NAME];
 
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 82b7ace62d97..82fe6d5f08d4 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3290,6 +3290,7 @@  intel_execlists_create_virtual(struct i915_gem_context *ctx,
 		return ERR_PTR(-ENOMEM);
 
 	ve->base.i915 = ctx->i915;
+	ve->base.gt = siblings[0]->gt;
 	ve->base.id = -1;
 	ve->base.class = OTHER_CLASS;
 	ve->base.uabi_class = I915_ENGINE_CLASS_INVALID;
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index 486c6953dcb1..b022af3385f3 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -257,6 +257,7 @@  struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
 
 	/* minimal engine setup for requests */
 	engine->base.i915 = i915;
+	engine->base.gt = &i915->gt;
 	snprintf(engine->base.name, sizeof(engine->base.name), "%s", name);
 	engine->base.id = id;
 	engine->base.mask = BIT(id);