Re: [Intel-gfx] [PATCH 2/2] drm/i915: add async flip support on gen7

2012-10-31 Thread Jesse Barnes
On Wed, 31 Oct 2012 10:47:03 -0700 Eric Anholt wrote: > Jesse Barnes writes: > > > Signed-off-by: Jesse Barnes > > So, these days if you go to render to a buffer that's been flipped from, > your rendering gets stalled (since the buffer may still be scanned out > when the rendering starts happ

Re: [Intel-gfx] [PATCH 2/2] drm/i915: add async flip support on gen7

2012-10-31 Thread Eric Anholt
Jesse Barnes writes: > Signed-off-by: Jesse Barnes So, these days if you go to render to a buffer that's been flipped from, your rendering gets stalled (since the buffer may still be scanned out when the rendering starts happening), which is the thing we need to avoid. I don't see this patch s

[Intel-gfx] [PATCH 2/2] drm/i915: add async flip support on gen7

2012-10-30 Thread Jesse Barnes
Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/i915_drv.h |3 ++- drivers/gpu/drm/i915/i915_reg.h |2 ++ drivers/gpu/drm/i915/intel_display.c | 30 +- 3 files changed, 25 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_d