[Intel-gfx] [PATCH] drm/i915: Update PSR on resume.

[Daniel Vetter]

On Fri, Aug 8, 2014 at 7:19 PM, Rodrigo Vivi <rodrigo.vivi at intel.com> wrote:
> From: Rodrigo Vivi <rodrigo.vivi at gmail.com>
>
> Some registers set during setup might not be persistent after suspend/resume.
> This was causing bugs for some people that was unable to get PSR entry state
> after resume cycle.
>
> v2: Adding some comments and better commit message explaining why this is needed.
> v3: Getting back old setup_done variable and move from resume to crtc_enable
>     as Daniel requested.
>
> Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

I'm confused ... whats the use of this? Afaict that's exactly what the
code currently does.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch