drm/i915: use default 200 Hz backlight frequency

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If the backlight modulation frequency can't be extracted from the
registers or from VBT, use 200 Hz as the default. This may enable
backlight on some machines that previously failed.

Reviewed-by: Imre Deak <imre.deak@intel.com>
Tested-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1448958232-26520-2-git-send-email-jani.nikula@intel.com

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Jani Nikula 2015-12-01 10:23:51 +02:00

parent 2dd6982e47

commit 5075222b04

1 changed files with 9 additions and 7 deletions

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16

drivers/gpu/drm/i915/intel_panel.c

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