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drm/i915/skl: don't set the AsyncFlip performance mode for Gen9+

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The following sets the AsyncFlip performance mode for everything above
Gen6:

commit 4790cb36b3eede8fb0cca529dc1d31b9936fa24b
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Sun Jan 20 16:11:20 2013 +0000

    drm/i915: Disable AsyncFlip performance optimisations

Starting from Gen9 the MI_MODE register layout changes and doesn't
include the above bit.

Reviewed-by: Thomas Wood <thomas.wood@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Imre Deak 2013-02-13 15:27:34 +00:00 committed by Daniel Vetter
parent 8a8b009d13
commit fbdcb06880
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_ringbuffer.c
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@ -823,7 +823,7 @@ static int init_render_ring(struct intel_engine_cs *ring)
*
* WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv,bdw,chv
*/
if (INTEL_INFO(dev)->gen >= 6)
if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 9)
I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
/* Required for the hardware to program scanline values for waiting */