Re: [Intel-gfx] [PATCH 04/13] drm/i915: Replace the pending_gpu_write flag with an explicit seqno

2012-07-14 Thread Chris Wilson
On Fri, 13 Jul 2012 17:41:01 +0200, Daniel Vetter dan...@ffwll.ch wrote: On Fri, Jul 13, 2012 at 02:14:07PM +0100, Chris Wilson wrote: As we always flush the GPU cache prior to emitting the breadcrumb, we no longer have to worry about the deferred flush causing the pending_gpu_write to be

[Intel-gfx] [PATCH 04/13] drm/i915: Replace the pending_gpu_write flag with an explicit seqno

2012-07-13 Thread Chris Wilson
As we always flush the GPU cache prior to emitting the breadcrumb, we no longer have to worry about the deferred flush causing the pending_gpu_write to be delayed. So we can instead utilize the known last_write_seqno to hopefully minimise the wait times. Signed-off-by: Chris Wilson

Re: [Intel-gfx] [PATCH 04/13] drm/i915: Replace the pending_gpu_write flag with an explicit seqno

2012-07-13 Thread Daniel Vetter
On Fri, Jul 13, 2012 at 02:14:07PM +0100, Chris Wilson wrote: As we always flush the GPU cache prior to emitting the breadcrumb, we no longer have to worry about the deferred flush causing the pending_gpu_write to be delayed. So we can instead utilize the known last_write_seqno to hopefully