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

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Date:	Fri, 25 Apr 2014 18:12:35 -0400
From:	Woody Suwalski <terraluna977@...il.com>
To:	Christian König <christian.koenig@....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

Christian König wrote:
> 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.
Regression from 3.15-rc1 (still OK in -rc1, shimmering in -rc2)
Woody
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