Bug#661696: drm/i915: wrong fifo size due to uncareful refactoring which results in an xserver crash at 800x600
yes, it works for me!
On Sun, Jun 24, 2012 at 6:39 PM, Jonathan Nieder <email@example.com> wrote:
> forwarded 661696 https://bugzilla.kernel.org/show_bug.cgi?id=42839
> (cc-ing Stefan Bader since he maintains the linux-2.6.32.y-drm33.z tree)
> Hi again,
> Lukas Anzinger wrote:
>> During a refactoring of the i915 driver a regression has been introduced
>> For some chipsets the wrong fifo size is determined which results in
>> lot's of pixel errors when starting the xserver and choosing 800x600
>> as a resolution. If another resolution is used (eg. 1024x768 or
>> 1280x1024), I don't encounter this problem.
> Jonathan Nieder wrote:
>> Lukas Anzinger wrote:
>>> looks good to me.
>> Do you mean that the patch looks good or that you've tried applying it
>> and the behavior was bad before and good afterward?
> Ping. *Have you tested this patch?
> * * * *From: Adam Jackson <firstname.lastname@example.org>
> * * * *Date: Fri, 16 Apr 2010 18:20:57 -0400
> * * * *Subject: drm/i915: Attempt to fix watermark setup on 85x (v2)
> * * * *commit 8f4695ed1c9e068772bcce4cd4ff03f88d57a008 upstream.
> * * * *IS_MOBILE() catches 85x, so we'd always try to use the 9xx FIFO sizing;
> * * * *since there's an explicit 85x version, this seems wrong.
> * * * *v2: Handle 830m correctly too.
> * * * *Signed-off-by: Adam Jackson <email@example.com>
> * * * *Reviewed-by: Eric Anholt <firstname.lastname@example.org>
> * * * *Signed-off-by: Eric Anholt <email@example.com>
> * * * *Signed-off-by: Jonathan Nieder <firstname.lastname@example.org>
> In suspense,
>  http://bugs.debian.org/661696
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