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drm/i915/bdw: Disable semaphores for Execlists

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Up until recently, semaphores weren't enabled in BDW so we didn't care
about them. But then Rodrigo came and enabled them:

   commit 521e62e49a
   Author: Rodrigo Vivi <rodrigo.vivi@intel.com>

      drm/i915: Enable semaphores on BDW

So now we have to explicitly disable them for Execlists until both
features play nicely.

Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Oscar Mateo 2014-07-24 17:04:44 +01:00 committed by Daniel Vetter
parent cc9130be80
commit 71386ef900
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/i915/i915_drv.c
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@ -481,6 +481,10 @@ bool i915_semaphore_is_enabled(struct drm_device *dev)
if (i915.semaphores >= 0)
return i915.semaphores;
/* TODO: make semaphores and Execlists play nicely together */
if (i915.enable_execlists)
return false;
/* Until we get further testing... */
if (IS_GEN8(dev))
return false;