[Intel-gfx] [RFC] drm/i915: Disable connector polling at runtime suspend

Chris Wilson chris at chris-wilson.co.uk
Fri Jul 17 12:25:49 UTC 2020


Quoting Anshuman Gupta (2020-07-17 13:04:25)
> While i915 device is in runtime suspend, DRM connector polling
> causing device to wakeup from runtime suspend.
> This harm overall cpu idle statistics, therefore
> disabling polling while in runtime suspend.

So what about the devices where there is no hotplug interrupt during
runtime suspend? How should the device wake up when something is plugged
in? As I recall the transition to polling is only meant to occur on
those devices with no automatic wakeup.
-Chris


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