(subset) [PATCH] drm/vc4: crtc: Make sure the HDMI controller is powered when disabling

[Maxime Ripard]

On Thu, 23 Sep 2021 20:50:13 +0200, Maxime Ripard wrote:
> Since commit 875a4d536842 ("drm/vc4: drv: Disable the CRTC at boot
> time"), during the initial setup of the driver we call into the VC4 HDMI
> controller hooks to make sure the controller is properly disabled.
> 
> However, we were never making sure that the device was properly powered
> while doing so. This never resulted in any (reported) issue in practice,
> but since the introduction of commit 4209f03fcb8e ("drm/vc4: hdmi: Warn
> if we access the controller while disabled") we get a loud complaint
> when we do that kind of access.
> 
> [...]

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

Thanks!
Maxime