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(parent: bcfef97) | patch
drm/radeon: disable native backlight control on pre-r6xx asics (v2)
authorAlex Deucher <alexander.deucher@amd.com>
Wed, 19 Nov 2014 18:12:54 +0000 (13:12 -0500)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 20 Nov 2014 16:12:55 +0000 (11:12 -0500)
commitb7bc596ebbe0cddc97d76ef9309f64471bbf13eb
tree1856c2479af75c1f10b769dba3e7d5491fcaef5dtree | snapshot (tar.gz zip)
parentbcfef97398972de555e6e1dbf4dac33f0db38d52commit | diff
drm/radeon: disable native backlight control on pre-r6xx asics (v2)

Just use the acpi interface.  That's what windows uses on this
generation and it's the only thing that seems to work reliably
on these generation parts.

You can still force the native backlight interface by setting
radeon.backlight=1

Bug:
https://bugzilla.kernel.org/show_bug.cgi?id=88501

v2: merge into above if/else block

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/radeon/radeon_encoders.c diff | blob | blame | history