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

2014-07-23 Thread Michel Dänzer
On 23.07.2014 16:47, Christian K?nig wrote: > From: Christian K?nig > > 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 K?nig Reviewed-by: Michel D?nzer > Cc: stable a

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

2014-07-23 Thread Christian König
Am 23.07.2014 11:07, schrieb Michel D?nzer: > On 23.07.2014 16:47, Christian K?nig wrote: >> From: Christian K?nig >> >> 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 K

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

2014-07-23 Thread Alex Deucher
On Wed, Jul 23, 2014 at 3:47 AM, Christian K?nig wrote: > From: Christian K?nig > > 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 K?nig > Cc: stable at vger.kernel.org A

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

2014-07-23 Thread Christian König
From: Christian K?nig 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 K?nig Cc: stable at vger.kernel.org --- drivers/gpu/drm/radeon/cik.c | 1 + drivers/gpu/drm/radeon/eve