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Commit e8b2c3c4 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Re-enable GPU semaphores for SandyBridge mobile 



This seems to be running stably on my test laptop, so hopefully the
reported hangs where just symptoms of other bugs.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 8692d00e

drivers/gpu/drm/i915/i915_gem_execbuffer.c

+1 −2
Original line number Diff line number Diff line
@@ -744,8 +744,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj, 
	if (from == NULL || to == from)

		return 0;



	/* XXX gpu semaphores are currently causing hard hangs on SNB mobile */

	if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev))

	if (INTEL_INFO(obj->base.dev)->gen < 6)

		return i915_gem_object_wait_rendering(obj);



	idx = intel_ring_sync_index(from, to);