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drm/radeon: track whether the GPU controls the backlight (v2)
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 26 Jul 2012 13:50:57 +0000 (09:50 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 20 Sep 2012 17:10:34 +0000 (13:10 -0400)
A table in the vbios tells us whether the GPU backlight controller
is used or not.  If the bit is set, the GPU backlight controller is
used; if it is not set, an off-chip backlight controller is used.

v2: store all the firmware flags, not just BL control

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

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