On 17/05/2018 08:40, Chris Wilson wrote:
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@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 2 --
1 file changed, 2 deletions(-)
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
Looks indeed the same behaviour. Both before and after we wait for
preempted event before can submit more to the same port.
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Regards,
Tvrtko
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