[Intel-gfx] [PATCH 03/11] drm/i915: Restore dev_priv->mm.interruptible for overlay

[Chris Wilson]

On Wed, Dec 07, 2016 at 07:51:16PM +0200, Ville Syrjälä wrote:
> On Wed, Dec 07, 2016 at 05:41:39PM +0000, Chris Wilson wrote:
> > Or we can push this wait to where it can interrupt, such as prepare_planes_fb.
> > (For intel_atomic_commit_tail, intel_crtc_disable_noatomic() should always
> > be a no-op.) And then we are down to just the shrinker running
> > uninterruptibly, just one last place to fix.
> 
> Hmm. Yeah I guess we could try to do this in a different place.

If we do the intel_overlay_off() via mmio (rather than CS) that makes it
simpler, as we just have to wait for the prior operation.

I'm not imagining that we can just use mmio, right?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre