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Rodrigo Vivi authored
Don't touch other bits. My bad. I haven't seen any case where those other bits appeard to be set before we touch it, but it is safe to avoid touching other bits we weren't told to touch. Fixes: 0a46ddd5 ("drm/i915/cnp: Wa 1181: Fix Backlight issue") Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170908234534.17986-1-rodrigo.vivi@intel.com
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