Dave Stevenson 3404b39919
drm/vc4: hdmi: Ensure we don't use 2711 HPD registers on Pi0-3
The existing logic was flawed in that it could try reading the
2711 specific registers for HPD on a CM1/3 where the HPD GPIO
hadn't been defined in DT.

Ensure we don't do the 2711 register read on invalid hardware,
and then

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220127131754.236074-1-maxime@cerno.tech
2022-02-03 16:07:59 +01:00
..
2021-12-14 10:24:28 +01:00