[009/262] drm/i915/execlists: HWACK checking superseded checking port[0].count
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Message ID 20180517060738.19193-9-chris@chris-wilson.co.uk
State New
Headers show

Commit Message

Chris Wilson May 17, 2018, 6:03 a.m. UTC
The HWACK bit more generically solves the problem of resubmitting ESLP
while the hardware is still processing the current ELSP write. We no
longer need to check port[0].count itself.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_lrc.c | 2 --
 1 file changed, 2 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 49283b3d3ebb..857ab04452f0 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -608,8 +608,6 @@  static bool __execlists_dequeue(struct intel_engine_cs *engine)
 		GEM_BUG_ON(!execlists_is_active(execlists,
 						EXECLISTS_ACTIVE_USER));
 		GEM_BUG_ON(!port_count(&port[0]));
-		if (port_count(&port[0]) > 1)
-			return false;
 
 		/*
 		 * If we write to ELSP a second time before the HW has had