[Intel-gfx] [PATCH] drm/i915: Mask LPSP to get PSR working even with Power Well in use by audio.

Rodrigo Vivi rodrigo.vivi at gmail.com
Tue Oct 1 20:28:27 CEST 2013

Reporter of that Jira bugs confirmed this patch fixes the issue.
debufs simplification and igt test case submited.


On Wed, Sep 25, 2013 at 6:25 PM, Daniel Vetter <daniel at ffwll.ch> wrote:
> On Wed, Sep 25, 2013 at 10:59 PM, Rodrigo Vivi <rodrigo.vivi at gmail.com> wrote:
>> Please consider to accept this for -fixes, otherwise PSR will never
>> work on Haswell on 3.12.
> You know the drill: A feature regressed and no one noticed, which
> means we are lacking a fully automated testcase. I guess we need to
> expose in debugfs somewhere if the edp panel can do psr (if we don't
> do that already) to be able to skip the test correctly and then check
> with a little igt testcase that we actually achieve psr residency.
> Also please poke QA to make sure they actually have a hsw platform
> with psr panel.
> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch

Rodrigo Vivi
Blog: http://blog.vivi.eng.br

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