[Intel-gfx] [PATCH] drm/i915: Only look for matching clocks for LVDS downclock

Daniel Vetter daniel at ffwll.ch
Mon Jan 16 21:21:45 CET 2012


On Mon, Jan 16, 2012 at 12:20:03PM -0800, Jesse Barnes wrote:
> On Tue, 10 Jan 2012 15:09:36 -0800
> Sean Paul <seanpaul at chromium.org> wrote:
> 
> > This patch enforces that the downclock clock source is the same as the preferred
> > clock source for LVDS. This fixes a bug where the driver chooses a downclock
> > clock source with a different P than the preferred mode clock source. This
> > happened even if the preferred clock source implemented an acceptable rate for
> > the downclock. The result of this bug is that downclock is disabled.
> > 
> > Signed-off-by: Sean Paul <seanpaul at chromium.org>
> > ---
> 
> Yeah looks like a good cleanup that also makes downclocking more likely.
> 
> Reviewed-by: Jesse Barnes <jbarnes at virtuousgeek.org>

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48



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