[Intel-gfx] v3.6 haswell regression from v3.5?

[Ben Widawsky]

On 2012-08-10 09:25, Ben Guthro wrote:
> Hello, I've been attempting to get a Shark Bay / Haswell platform up 
> &
> running, and have been having some difficulties that I'm hoping you
> all can possibly help with.
>
> I first tried the 3.5 kernel, and had some success after applying the
> following patch:
> https://patchwork.kernel.org/patch/1229541/
>
> This seemed to be necessary to get the  0x0c26 PCI id to be loaded by
> i915, and use KMS.
>
> After doing this, I had some success, but things still would become
> unstable, and flash test patterns on the screen about every third
> boot.
>
>
> I figured that I would move on to the tip, and see if that fixed 
> anything.
>
> However, at the tip, I cannot get i915 to display graphics at all -
> even with applying the patch above.
>
>
> I understand that this is still under development - but this seems
> like a regression from 3.5
> Is there a codebase that I should be using for this testing?
>

Yes it is the codebase you should use. It sounds like a regression, can 
you bisect it?

>
> Ben
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-- 
Ben Widawsky, Intel Open Source Technology Center