drm/radeon: restore backlight level on resume

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Restore the backlight level on resume.  Some systems
need to explicitly restore the backlight level on
resume.

Fixes panel resume on my Trinity laptop and may fix the
following bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=43829
https://bugzilla.kernel.org/show_bug.cgi?id=46241

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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This commit is contained in:

Alex Deucher 2012-09-14 09:45:50 -04:00

parent 6d92f81dcf

commit bced76f271

4 changed files with 14 additions and 4 deletions

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4

drivers/gpu/drm/radeon/atombios_encoders.c

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7

drivers/gpu/drm/radeon/radeon_device.c

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1

drivers/gpu/drm/radeon/radeon_encoders.c

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6

drivers/gpu/drm/radeon/radeon_mode.h

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