drm/tegra: dc: Wait for idle when disabled

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When disabling the display controller, stop it and wait for it to become
idle. Doing so ensures that no further accesses to the framebuffer occur
and the buffers can be safely unmapped or freed.

Signed-off-by: Thierry Reding <treding@nvidia.com>

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This commit is contained in:

Thierry Reding 2014-12-08 16:03:53 +01:00

parent 36904adf21

commit 86df256f30

1 changed files with 65 additions and 5 deletions

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drivers/gpu/drm/tegra/dc.c

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