drm/radeon: Fix backlight control on iMac 12,1

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The iMac 12,1 does not use the gmux driver for backlight, so the radeon
backlight device is needed to set the brightness.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1838
Signed-off-by: Nicholas Bishop <nicholasbishop@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Nicholas Bishop 2022-02-11 14:57:39 -05:00 • committed by Alex Deucher

parent 3b853c316c

commit dcb0bd0058

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/radeon/atombios_encoders.c

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