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(parent: d3b98fe) | patch
drm/radeon: Fix backlight control on iMac 12,1
authorNicholas Bishop <nicholasbishop@google.com>
Fri, 11 Feb 2022 19:57:39 +0000 (14:57 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 23 Feb 2022 10:57:33 +0000 (11:57 +0100)
commit02af01d3192282842384157e15551a7b5ab44999
tree8a863b5b8dba3905df8b469d210346af7ae6993btree | snapshot (tar.gz zip)
parentd3b98fe36f8a06ce654049540773256ab59cb53dcommit | diff
drm/radeon: Fix backlight control on iMac 12,1

commit 364438fd629f7611a84c8e6d7de91659300f1502 upstream.

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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/radeon/atombios_encoders.c diff | blob | blame | history