[git pull] drm fixes

[Christian König]

Am 23.04.2014 23:36, schrieb Woody Suwalski:
> Dave Airlie wrote:
>> On Wed, Apr 23, 2014 at 1:59 AM, Linus Torvalds
>> <torvalds at linux-foundation.org> wrote:
>>> Dave, mind sending me a pull request for drm fixes?
>>>
>>> There's now at least these two:
>>>
>>>   - "drm/radeon/aux: fix hpd assignment for aux bus"
>>>   - "drm/radeon: use fixed PPL ref divider if needed"
>>>
>>> that look like fairly fatal regressions when they affect somebody.
>>>
>>> The fact that we already had *two* independent bugs be reported within
>>> days of that last out-of-merge-window pull request makes me very
>>> unhappy with the state of drm pulls.
>>>
>>> So please make sure that future fixes really are *fixes*. For
>>> regressions only. No more games like this.
>> The pll fallout is fixes for the initial feature that was in the 
>> merge window,
>> Tuning plls for monitors is always a pain in the ass, the previous 
>> algorithm
>> took a couple of kernels a few years back to get where it was, 
>> unfortunately
>> HDMI came along and showed up a bunch of its shortcomings. I'm happy
>> Alex and Christian are on top of things in terms of tracking regressions
>> and making sure they get fixed,
>>
>> the AUX fix yes I'm a bit pissed off about myself, but I missed a pull
>> from a few
>> weeks ago, felt guilty, and maybe should have chosen the other path 
>> and let it
>> wait a merge,
>>
>> Christian just sent me a -fixes pull with all of these in it and I'll
>> send it on to you
>> in a few mins.
>>
>> Dave.
>>
> That patch also fixes a shimmering (water floating) issue on Radeon 
> RV635 (Thinkpad T500)
> 1002:9591

Was this a long outstanding bug or a regression introduced with one of 
the recent patches?

Thanks for the info,
Christian.