Re: [Intel-gfx] [PATCH] drm: Restore double clflush on the last partial cacheline

2016-05-05 Thread Chris Wilson
On Sun, May 01, 2016 at 09:15:03AM +0100, Chris Wilson wrote: > This effectively reverts > > commit afcd950cafea6e27b739fe7772cbbeed37d05b8b > Author: Chris Wilson > Date: Wed Jun 10 15:58:01 2015 +0100 > > drm: Avoid the double clflush on the last cache line in > drm_clflush_virt_range()

Re: [Intel-gfx] [PATCH] drm: Restore double clflush on the last partial cacheline

2016-05-02 Thread Mika Kuoppala
Chris Wilson writes: > [ text/plain ] > This effectively reverts > > commit afcd950cafea6e27b739fe7772cbbeed37d05b8b > Author: Chris Wilson > Date: Wed Jun 10 15:58:01 2015 +0100 > > drm: Avoid the double clflush on the last cache line in > drm_clflush_virt_range() > > as we have observed

[Intel-gfx] [PATCH] drm: Restore double clflush on the last partial cacheline

2016-05-01 Thread Chris Wilson
This effectively reverts commit afcd950cafea6e27b739fe7772cbbeed37d05b8b Author: Chris Wilson Date: Wed Jun 10 15:58:01 2015 +0100 drm: Avoid the double clflush on the last cache line in drm_clflush_virt_range() as we have observed issues with serialisation of the clflush operations on B