drm/vc4: Bring HDMI up from power off if necessary.
authorEric Anholt <eric@anholt.net>
Fri, 12 Feb 2016 22:15:14 +0000 (14:15 -0800)
committerEric Anholt <eric@anholt.net>
Fri, 26 Feb 2016 23:51:10 +0000 (15:51 -0800)
commit851479ad5927b7b1aa141ca9dedb897a7bce2b1d
treedd6b847909a6592ce9868e18f24345ebd85a1903
parent48627eb8dc55c60d35794105f6f79fb627347dbd
drm/vc4: Bring HDMI up from power off if necessary.

If the firmware hadn't brought up HDMI for us, we need to do its
power-on reset sequence (reset HD and and clear its STANDBY bits,
reset HDMI, and leave the PHY disabled).

Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/vc4/vc4_hdmi.c
drivers/gpu/drm/vc4/vc4_regs.h