NAK: [PULL Wily] drm/i915: Add workarounds for SKL

[Timo Aaltonen]

On 20.08.2015 23:28, Jason Gerard DeRose wrote:
> 
> 
> On Thu, Aug 20, 2015 at 1:15 PM, Tim Gardner <tim.gardner at canonical.com>
> wrote:
>> On 08/20/2015 01:06 PM, Timo Aaltonen wrote:
>>> On 20.08.2015 22:03, Tim Gardner wrote:
>>>> On 08/20/2015 04:36 AM, Timo Aaltonen wrote:
>>>>> git://kernel.ubuntu.com/tjaalton/ubuntu-wily.git skl
>>>>
>>>> I'm not too keen on the content of these commit messages. All say
>>>> "cherry picked", but I'm not finding any of them in Linus' repository.
>>>
>>> That's because Linus' tree still has only 4.2, these are from
>>> drm-intel-next.
>>>
>>> If you prefer waiting once 4.3-rc1 is released that's fine. Or I can
>>> send another pull request with SAUCE and "backported from.." on the
>>> commits.
>>>
>>>
>>>
>>
>> I would prefer waiting until they have been merged upstream.
> 
> For what it's worth, there are huge Skylake GPU regressions currently in
> Wily compared to Vivid and Trusty (with Vivid HWE).  Bad enough that
> it's almost impossible to test desktop Wily on Skylake hardware as Unity
> is basically unusable.
> 
> At a glance, these patches might be the needed fixes, and if they are,
> from my perspective it would be nice to have them merged into Wily
> sooner rather than later just for testing purposes.
> 
> Which doesn't mean merging them now is the right thing to do, of course.
> Just my two cents :D

Sounds like you need i915.preliminary_hw_support=1 at least..



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