[PATCH] drm/ttm: fix delayed ttm_bo_cleanup_refs_and_unlock delayed handling

[Markus Trippelsdorf]

On 2012.12.19 at 15:54 +0100, Markus Trippelsdorf wrote:
> On 2012.12.19 at 09:47 -0500, Alex Deucher wrote:
> 
> And the pictures get distorted on the test-webpage when I scroll up and
> down, see:
> http://trippelsdorf.de/bad.png

The picture distortion issue is caused by:

commit dd54fee7d440c4a9756cce2c24a50c15e4c17ccb
Author: Dave Airlie <airlied at redhat.com>
Date:   Fri Dec 14 21:04:46 2012 +1000

    radeon: fix regression with eviction since evict caching changes
    
    Since 0d0b3e7443bed6b49cb90fe7ddc4b5578a83a88d
    drm/radeon: use cached memory when evicting for vram on non agp
    
    evicting from TTM would try and evict to TTM instead of system,
    not so good.
    
    This should fix:
    https://bugs.freedesktop.org/show_bug.cgi?id=58272
    
    Signed-off-by: Dave Airlie <airlied at redhat.com>
    Signed-off-by: Maarten Lankhorst <maarten.lankhorst at canonical.com>
    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reverting the commit above "fixes" the problem.

-- 
Markus