(subset) [PATCH] drm/vc4: crtc: Fix runtime_pm reference counting

[Maxime Ripard]

On Thu, 3 Feb 2022 11:20:03 +0100, Maxime Ripard wrote:
> At boot on the BCM2711, if the HDMI controllers are running, the CRTC
> driver will disable itself and its associated HDMI controller to work
> around a hardware bug that would leave some pixels stuck in a FIFO.
> 
> In order to avoid that issue, we need to run some operations in lockstep
> between the CRTC and HDMI controller, and we need to make sure the HDMI
> controller will be powered properly.
> 
> [...]

Applied to drm/drm-misc (drm-misc-fixes).

Thanks!
Maxime