Messages in this thread | | | Date | Wed, 16 Jun 2021 14:35:59 +0200 | From | Maxime Ripard <> | Subject | Re: [PATCH 3/3] drm/vc4: hdmi: Make sure the controller is powered in detect |
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On Wed, Jun 16, 2021 at 11:51:26AM +0100, Dave Stevenson wrote: > On Tue, 25 May 2021 at 10:11, Maxime Ripard <maxime@cerno.tech> wrote: > > > > If the HPD GPIO is not available and drm_probe_ddc fails, we end up > > reading the HDMI_HOTPLUG register, but the controller might be powered > > off resulting in a CPU hang. Make sure we have the power domain and the > > HSM clock powered during the detect cycle to prevent the hang from > > happening. > > > > Fixes: 4f6e3d66ac52 ("drm/vc4: Add runtime PM support to the HDMI encoder driver") > > Signed-off-by: Maxime Ripard <maxime@cerno.tech> > > Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Applied patches 2 and 3, I'll resend a new version of patch 1 after some comments by Daniel on IRC.
Thanks! Maxime [unhandled content-type:application/pgp-signature] | |