linux-kernel - Re: i915 regression with 3.3-rc3+git

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Date:	Thu, 23 Feb 2012 19:48:59 +0100
From:	Riccardo Magliocchetti <riccardo.magliocchetti@...il.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Keith Packard <keithp@...thp.com>
Subject: Re: i915 regression with 3.3-rc3+git

Hello,

Il 23/02/2012 17:41, Jesse Barnes ha scritto:
> On Fri, 17 Feb 2012 21:48:13 +0100
> Riccardo Magliocchetti<riccardo.magliocchetti@...il.com>  wrote:
>
>> Hello,
>>
>> i've upgraded from 3.2.0-rc7 to post 3.3.0-rc3 git
>> 4903062b5485f0e2c286a23b44c9b59d9b017d53, attached you can find dmesg
>> with drm.debug=0xfff
>>
>> This started to appear in logs:
>>
>> [drm:intel_framebuffer_init] *ERROR* unsupported pixel format
>>
>> X is getting a wrong resolution (log attached) and there's a lot of
>> flickering, if i try to play a video the desktop turns black, the other
>> ttys still works fine though.
>>
>>
>
> Can you check the drm-intel-fixes branch at
> git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/drm-intel.git?
> It has a fix for laod detection that might help.

3.3-rc4 plus these two patches from drm-intel-fixes works great.

4e9bb47bd29e02f2daaa7bdb2a8ddf977bf76f06 [PATCH 2/2] drm/i915: fix a 
sprite watermark computation to avoid divide by zero if xpos<0
5ca0c34ae28344b6b4ca3036bc82f89c8db16a59 [PATCH 1/2] drm/i915: fix mode 
set on load pipe. (v2)

Thanks!

riccardo



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