linux-kernel - Re: [git pull] drm fixes

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Message-ID: <5358C8B5.7020609@amd.com>
Date:	Thu, 24 Apr 2014 10:17:57 +0200
From:	Christian König <christian.koenig@....com>
To:	Woody Suwalski <terraluna977@...il.com>,
	Dave Airlie <airlied@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
CC:	Ed Tomlinson <edt@....ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>
Subject: Re: [git pull] drm fixes

Am 23.04.2014 23:36, schrieb Woody Suwalski:
> Dave Airlie wrote:
>> On Wed, Apr 23, 2014 at 1:59 AM, Linus Torvalds
>> <torvalds@...ux-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.
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