On Thu, Jul 18, 2019 at 09:58:16PM +0100, Chris Wilson wrote:
> Quoting Rodrigo Vivi (2019-07-18 21:49:12)
> > +void intel_display_power_resume_early(struct drm_i915_private *i915)
> > +{
> > + if (!HAS_DISPLAY(i915))
> > + return;
> > +
> > + if (INTEL_GEN(i915) >= 11 || IS_GEN9_LP(i915)) {
> > + gen9_sanitize_dc_state(i915);
>
> Are you sure that whatever state you are resuming from agrees with your
> notion of !display? The sanitize routines are supposed to be about
> cleaning up after third parties who don't play by the same rules.
I don't expect any function setting any kind of dc states when we don't
have display. Besides the path that sets DC_STATE_EN is and neeeds to
be sanitized is also covered by this patch and this shouldn't happen.
Or am I missing something else?
> -Chris
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