[PATCH 1/2] drm/radeon: Use drm_vblank_off/on to fix vblank counter trouble.

[Mario Kleiner]

On 02/07/2016 12:59 PM, Mario Kleiner wrote:
> I have a few simple patches which after testing seem to work well
> enough and fix additional similar problems with nouveau. Got
> distracted with other stuff last week. I'll try to send them out later
> today when i'm at the machine.
>
> -mario
>
>
> On Sun, Feb 7, 2016 at 12:05 PM, Vlastimil Babka <vbabka at suse.cz> wrote:
>> On 01/22/2016 06:08 PM, Mario Kleiner wrote:
>>> Anyway, some more hours of thinking and code browsing later, now i think
>>> i have a simple and safe solution which should hopefully restore the
>>> drm_vblank_pre/post_modeset behaviour with only a few lines of core
>>> code. At the same time it should fix up another bug in that new
>>> drm_update_vblank_count code that i just realized, in a way simple
>>> enough for a stable fix.
>>>
>>> Now i just need to actually code and test it first.
>>
>> Ping, any news? :)
>>

Ok, so that series "drm vblank regression fixes for Linux 4.4+" i just 
sent out should hopefully fix this bug and related bugs.

thanks,
-mario