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

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

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson
2011-03-01 19:22:52 +00:00
parent 8692d00e99
commit e8b2c3c47a
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/i915_gem_execbuffer.c
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@@ -744,8 +744,7 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
if (from == NULL || to == from) if (from == NULL || to == from)
return 0; return 0;
/* XXX gpu semaphores are currently causing hard hangs on SNB mobile */ if (INTEL_INFO(obj->base.dev)->gen < 6)
if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev))
return i915_gem_object_wait_rendering(obj); return i915_gem_object_wait_rendering(obj);
idx = intel_ring_sync_index(from, to); idx = intel_ring_sync_index(from, to);