Re: [PATCH 19/27] drm/i915/guc: Move guc_blocked fence to struct guc_state

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On 8/18/2021 11:16 PM, Matthew Brost wrote:
Move guc_blocked fence to struct guc_state as the lock which protects
the fence lives there.

s/ce->guc_blocked/ce->guc_state.blocked_fence/g

Could also call it just ce->guc_state.blocked, blocked_fence sounds to me like the fence itself is blocked.

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>

Daniele


Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
---
  drivers/gpu/drm/i915/gt/intel_context.c        |  5 +++--
  drivers/gpu/drm/i915/gt/intel_context_types.h  |  5 ++---
  .../gpu/drm/i915/gt/uc/intel_guc_submission.c  | 18 +++++++++---------
  3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index 745e84c72c90..0e48939ec85f 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -405,8 +405,9 @@ intel_context_init(struct intel_context *ce, struct intel_engine_cs *engine)
  	 * Initialize fence to be complete as this is expected to be complete
  	 * unless there is a pending schedule disable outstanding.
  	 */
-	i915_sw_fence_init(&ce->guc_blocked, sw_fence_dummy_notify);
-	i915_sw_fence_commit(&ce->guc_blocked);
+	i915_sw_fence_init(&ce->guc_state.blocked_fence,
+			   sw_fence_dummy_notify);
+	i915_sw_fence_commit(&ce->guc_state.blocked_fence);
i915_active_init(&ce->active,
  			 __intel_context_active, __intel_context_retire, 0);
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h
index 3a73f3117873..c06171ee8792 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_types.h
@@ -167,6 +167,8 @@ struct intel_context {
  		 * fence related to GuC submission
  		 */
  		struct list_head fences;
+		/* GuC context blocked fence */
+		struct i915_sw_fence blocked_fence;
  	} guc_state;
struct {
@@ -190,9 +192,6 @@ struct intel_context {
  	 */
  	struct list_head guc_id_link;
- /* GuC context blocked fence */
-	struct i915_sw_fence guc_blocked;
-
  	/*
  	 * GuC priority management
  	 */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index deb2e821e441..053f4485d6e9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -1490,24 +1490,24 @@ static void guc_blocked_fence_complete(struct intel_context *ce)
  {
  	lockdep_assert_held(&ce->guc_state.lock);
- if (!i915_sw_fence_done(&ce->guc_blocked))
-		i915_sw_fence_complete(&ce->guc_blocked);
+	if (!i915_sw_fence_done(&ce->guc_state.blocked_fence))
+		i915_sw_fence_complete(&ce->guc_state.blocked_fence);
  }
static void guc_blocked_fence_reinit(struct intel_context *ce)
  {
  	lockdep_assert_held(&ce->guc_state.lock);
-	GEM_BUG_ON(!i915_sw_fence_done(&ce->guc_blocked));
+	GEM_BUG_ON(!i915_sw_fence_done(&ce->guc_state.blocked_fence));
/*
  	 * This fence is always complete unless a pending schedule disable is
  	 * outstanding. We arm the fence here and complete it when we receive
  	 * the pending schedule disable complete message.
  	 */
-	i915_sw_fence_fini(&ce->guc_blocked);
-	i915_sw_fence_reinit(&ce->guc_blocked);
-	i915_sw_fence_await(&ce->guc_blocked);
-	i915_sw_fence_commit(&ce->guc_blocked);
+	i915_sw_fence_fini(&ce->guc_state.blocked_fence);
+	i915_sw_fence_reinit(&ce->guc_state.blocked_fence);
+	i915_sw_fence_await(&ce->guc_state.blocked_fence);
+	i915_sw_fence_commit(&ce->guc_state.blocked_fence);
  }
static u16 prep_context_pending_disable(struct intel_context *ce)
@@ -1547,7 +1547,7 @@ static struct i915_sw_fence *guc_context_block(struct intel_context *ce)
  		if (enabled)
  			clr_context_enabled(ce);
  		spin_unlock_irqrestore(&ce->guc_state.lock, flags);
-		return &ce->guc_blocked;
+		return &ce->guc_state.blocked_fence;
  	}
/*
@@ -1563,7 +1563,7 @@ static struct i915_sw_fence *guc_context_block(struct intel_context *ce)
  	with_intel_runtime_pm(runtime_pm, wakeref)
  		__guc_context_sched_disable(guc, ce, guc_id);
- return &ce->guc_blocked;
+	return &ce->guc_state.blocked_fence;
  }
static void guc_context_unblock(struct intel_context *ce)




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