[Intel-gfx] [PATCH] drm/i915: We don't need display's suspend/resume operations when !HAS_DISPLAY

[Chris Wilson]

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.
-Chris