drm/vc4: Bring HDMI up from power off if necessary.

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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>

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This commit is contained in:

Eric Anholt 2016-02-12 14:15:14 -08:00

parent 48627eb8dc

commit 851479ad59

2 changed files with 30 additions and 1 deletions

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29

drivers/gpu/drm/vc4/vc4_hdmi.c

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2

drivers/gpu/drm/vc4/vc4_regs.h

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