[PATCH] drm/radeon: Read back ring buffer before updating WPTR

2014-08-08 Thread Michel Dänzer
From: Michel D?nzer This fixes a ring test failure reported on a Kabini system which was triggered by write-combined CPU mappings of the ring buffers. Reported-and-Tested-by: Will Trives Signed-off-by: Michel D?nzer --- drivers/gpu/drm/radeon/radeon_ring.c | 4 1 file changed, 4 insertio

[PATCH] drm/radeon: Read back ring buffer before updating WPTR

2014-08-08 Thread Alex Deucher
On Fri, Aug 8, 2014 at 4:45 AM, Michel D?nzer wrote: > From: Michel D?nzer > > This fixes a ring test failure reported on a Kabini system which was > triggered by write-combined CPU mappings of the ring buffers. > > Reported-and-Tested-by: Will Trives > Signed-off-by: Michel D?nzer Applied to