[Intel-gfx] [PATCH 1/2] drm/i915: Get power refs in encoder->get_power_domain()

[Chris Wilson]

Quoting Imre Deak (2019-04-07 13:06:32)
> On Sun, Apr 07, 2019 at 02:55:14PM +0300, Imre Deak wrote:
> > > get_power_domains() and atomic needs to take responsibility for the
> > > overlapping set of powerwells imo.
> > 
> > ->get_power_domains() is essentially the powerref acquisition part of the
> > encoder->get_hw_state(). We have a separate hook for it since the latter
> > one is also called during verification, where we don't want to take the
> > long time refs (they must have been acquired already by the modeset we
> > are verifying).
> 
> Note the similar logic for crtc powerrefs in
> intel_modeset_setup_hw_state()/modeset_get_crtc_power_domains().

Hmm. That's what I thought this was. I probably was confusing the paths.

Also while you are here, care to look over
https://patchwork.freedesktop.org/patch/296632/?series=59089&rev=2
-Chris