From fbdcb06880bf414afafd4053d0d9906725f8b117 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Wed, 13 Feb 2013 15:27:34 +0000 Subject: [PATCH] drm/i915/skl: don't set the AsyncFlip performance mode for Gen9+ The following sets the AsyncFlip performance mode for everything above Gen6: commit 4790cb36b3eede8fb0cca529dc1d31b9936fa24b Author: Chris Wilson 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 Signed-off-by: Imre Deak Signed-off-by: Damien Lespiau Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_ringbuffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 109de2eeb9a8..a6a64aee8f74 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -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 */ -- 2.20.1