[Intel-gfx] [PATCH 3/3] drm/i915: track sprite coverage and disable primary plane if possible
jbarnes at virtuousgeek.org
Wed Nov 16 08:46:32 PST 2011
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.)
Jesse Barnes, Intel Open Source Technology Center
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