[Intel-gfx] [PATCH 3/3] drm/i915: track sprite coverage and disable primary plane if possible

[Jesse Barnes]

On Wed, 16 Nov 2011 17:05:50 +0100
Daniel Vetter <daniel at ffwll.ch> wrote:

> On Mon, Nov 14, 2011 at 21:22, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> > To save power when the sprite is full screen, we can disable the primary
> > plane on the same pipe.  Track the sprite status and enable/disable the
> > primary opportunistically.
> >
> > Signed-off-by: Jesse Barnes
> 
> Imo the indirection is overkill because afaics there's no difference.
> And in my experience this will only get in the way when later hw
> _really_ needs some abstraction (*cough* intel_ringbuffer.c *cough*.
> Can we just kill it?

Yeah I can make ivb and snb share at least (and probably ilk), but I
*do* have code coming that needs the separation.  (At least I'm pretty
sure; I'll remove the abstraction if it turns out I don't need it.)

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center