[Intel-gfx] [RFC 01/11] drm/i915/scheduler: Remember request priority throughout its lifetime

Michał Winiarski michal.winiarski at intel.com
Thu Feb 23 19:08:23 UTC 2017


Since request can be cancelled, we need to avoid overriding its priority
during submission to be able to resubmit it.

Signed-off-by: Michał Winiarski <michal.winiarski at intel.com>
---
 drivers/gpu/drm/i915/i915_guc_submission.c | 1 -
 drivers/gpu/drm/i915/intel_lrc.c           | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 89ee0f4..2c76377 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -589,7 +589,6 @@ static bool i915_guc_dequeue(struct intel_engine_cs *engine)
 		rb = rb_next(rb);
 		rb_erase(&cursor->priotree.node, &engine->execlist_queue);
 		RB_CLEAR_NODE(&cursor->priotree.node);
-		cursor->priotree.priority = INT_MAX;
 
 		i915_guc_submit(cursor);
 		last = cursor;
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 6e76d11..d4cfaa1 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -476,7 +476,6 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
 		rb = rb_next(rb);
 		rb_erase(&cursor->priotree.node, &engine->execlist_queue);
 		RB_CLEAR_NODE(&cursor->priotree.node);
-		cursor->priotree.priority = INT_MAX;
 
 		__i915_gem_request_submit(cursor);
 		trace_i915_gem_request_in(cursor, port - engine->execlist_port);
-- 
2.9.3



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