[PATCH] drm/radeon: flush read cache for gtt with fence on r6xx and newer GPU V2

2011-10-26 Thread Alex Deucher
On Wed, Oct 26, 2011 at 11:13 AM, wrote: > From: Jerome Glisse > > Cayman seems to be particularly sensitive to read cache returning > old data after bind/unbind to GTT. Flush read cache for GTT range > with each fences for all new hw. Should fix several rendering glitches. > Like > > V2 flush w

[PATCH] drm/radeon: flush read cache for gtt with fence on r6xx and newer GPU V2

2011-10-26 Thread j.gli...@gmail.com
From: Jerome Glisse Cayman seems to be particularly sensitive to read cache returning old data after bind/unbind to GTT. Flush read cache for GTT range with each fences for all new hw. Should fix several rendering glitches. Like V2 flush whole address space https://bugs.freedesktop.org/show_bug

Re: [PATCH] drm/radeon: flush read cache for gtt with fence on r6xx and newer GPU V2

2011-10-26 Thread Alex Deucher
On Wed, Oct 26, 2011 at 11:13 AM, wrote: > From: Jerome Glisse > > Cayman seems to be particularly sensitive to read cache returning > old data after bind/unbind to GTT. Flush read cache for GTT range > with each fences for all new hw. Should fix several rendering glitches. > Like > > V2 flush w

[PATCH] drm/radeon: flush read cache for gtt with fence on r6xx and newer GPU V2

2011-10-26 Thread j . glisse
From: Jerome Glisse Cayman seems to be particularly sensitive to read cache returning old data after bind/unbind to GTT. Flush read cache for GTT range with each fences for all new hw. Should fix several rendering glitches. Like V2 flush whole address space https://bugs.freedesktop.org/show_bug