Re: Intel graphics corruption

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On Tue, 09 Dec 2014, Fennec Fox <fennectech@xxxxxxxxx> wrote:
> do you know how to make the intel-drm-nightly kernel mentioned in this
> bugfix   id like to use that until 3.19 lands

It's the drm-intel-nightly branch of the upstream drm intel repository
[1]. The patch seems to apply cleanly on 3.18 too. See [2] for kernel
build instructions.

HTH,
Jani.


[1] http://cgit.freedesktop.org/drm-intel
[2] http://kernelnewbies.org/KernelBuild

>
> On Mon, Dec 8, 2014 at 2:26 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote:
>> On Fri, Dec 05, 2014 at 11:29:09PM -0600, Fennec Fox wrote:
>>> well on my arch machine with an intel gma 4 graphics card using
>>> xfree86-video-intel   im seeing lots of graphics corruption  i can
>>> give images it it would help
>>
>> I presume you filed https://bugs.freedesktop.org/show_bug.cgi?id=87065
>> and so know by that this was fixed by
>>
>> commit 656bfa3afc14e45e2d9e1624bf60d79b3beb12f2
>> Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
>> Date:   Thu Nov 20 09:26:30 2014 +0100
>>
>>     drm/i915: Pin tiled objects for L-shaped configs
>>
>>     Let's just throw in the towel on this one and take the cheap way out.
>>
>>     Based on a patch from Chris Wilson, but checking for a different bit.
>>     Chris' patch checked for even bank layout, this one here for a magic
>>     bit. Given the evidence we've gathered (not much) both work I think,
>>     but checking for the magic bit might be more accurate.
>>
>>     Anyway, works on my gm45 here.
>>
>>     For paranoi restrict to gen4 (and mobile), since we've only ever seen
>>     this on gm45 and i965gm.
>>
>>     Also add some debugfs output so that we can skip the tiled swapping
>>     tests properly in these cases.
>>
>>     v2: Clean up the quirk'ed pin count in free_object to avoid upsetting
>>     the WARN_ON. Spotted by Chris.
>> -Chris
>>
>> --
>> Chris Wilson, Intel Open Source Technology Centre
>
>
>
> -- 
> Fennec
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
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-- 
Jani Nikula, Intel Open Source Technology Center
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