drm/i915/icl: Turn ON panel backlight
This patch enables backlight of DSI panel by using VBT BACKLIGHT_ON sequence and panel specific functions. Signed-off-by: NMadhav Chauhan <madhav.chauhan@intel.com> Reviewed-by: NJani Nikula <jani.nikula@intel.com> Signed-off-by: NJani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/05987eea297689af0b9defcf745a921f76f9011d.1540900289.git.jani.nikula@intel.com
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