Commit c67b35d9 authored Mar 05, 2020 by Chris Wilson Committed by Jani Nikula Mar 11, 2020

drm/i915: Actually emit the await_start



Fix the inverted test to emit the wait on the end of the previous
request if we /haven't/ already.

Fixes: 6a79d848 ("drm/i915: Lock signaler timeline while navigating")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: <stable@vger.kernel.org> # v5.5+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305104210.2619967-1-chris@chris-wilson.co.uk


(cherry picked from commit 07e9c59d)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

parent b74f241d

drivers/gpu/drm/i915/i915_request.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -821,7 +821,7 @@ i915_request_await_start(struct i915_request rq, struct i915_request signal)
		return 0;

		err = 0;
		if (intel_timeline_sync_is_later(i915_request_timeline(rq), fence))
		if (!intel_timeline_sync_is_later(i915_request_timeline(rq), fence))
		err = i915_sw_fence_await_dma_fence(&rq->submit,
		fence, 0,
		I915_FENCE_GFP);

Admin message