drm/tegra: dc: Link DC1 to DC0 on Tegra20

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Hardware reset isn't actually broken on Tegra20, but there is a
dependency on the first display controller to be taken out of reset for
the second to be enabled successfully. Model this dependency using a PM
device link.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
[treding@nvidia.com: minor cleanups, extend commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>

...

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Dmitry Osipenko 2017-12-20 18:46:10 +03:00 • committed by Thierry Reding

parent 39f55c61da

commit f68ba6912b

2 changed files with 65 additions and 31 deletions

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94

drivers/gpu/drm/tegra/dc.c

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2

drivers/gpu/drm/tegra/dc.h

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