[Intel-gfx] [PATCH] drm/i915: manage PCH PLLs separately from pipes

[Daniel Vetter]

On Wed, Apr 18, 2012 at 11:36:08PM +0200, Daniel Vetter wrote:
> On Fri, Apr 13, 2012 at 06:24:38PM +0100, Chris Wilson wrote:
> > From: Jesse Barnes <jbarnes at virtuousgeek.org>
> > 
> > PCH PLLs aren't required for outputs on the CPU, so we shouldn't just
> > treat them as part of the pipe.
> > 
> > So split the code out and manage PCH PLLs separately, allocating them
> > when needed or trying to re-use existing PCH PLL setups when the timings
> > match.
> > 
> > v2: add num_pch_pll field to dev_priv (Daniel)
> >     don't NULL the pch_pll pointer in disable or DPMS will fail (Jesse)
> >     put register offsets in pll struct (Chris)
> > 
> > v3: Decouple enable/disable of PLLs from get/put.
> > 
> > Fixes https://bugs.freedesktop.org/show_bug.cgi?id=44309
> > 
> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> 
> Patch applied to dinq with Jesse's irc reviewed-by and tested-by, thanks
> for the patch.

QA reported that this blows up:

https://bugs.freedesktop.org/process_bug.cgi

I've taken this patch out of dinq again.
-Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48