[PATCH] drm/radeon: fix irq ring buffer overflow handling

[Michel Dänzer]

On 23.07.2014 16:47, Christian König wrote:
> From: Christian König <christian.koenig at amd.com>
> 
> We must mask out the overflow bit as well, otherwise
> the wptr will never match the rptr again and the interrupt
> handler will loop forever.
> 
> Signed-off-by: Christian König <christian.koenig at amd.com>

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


> Cc: stable at vger.kernel.org

Not sure this is justified though. Were you able to reproduce the
problem and verify the fix?


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer