Re: [Intel-gfx] [PATCH] [V4] drm/i915: Enable VBT based BL control for DP

2018-02-20 Thread Jani Nikula
On Wed, 21 Feb 2018, Mustamin B Mustaffa wrote: > Currently, BXT_PP is hardcoded with value '0'. > It practically disabled eDP backlight on MRB (BXT) platform. > > This patch will tell which BXT_PP registers (there are two set of > PP_CONTROL in the spec) to be used as defined in VBT (Video Bios T

[Intel-gfx] [PATCH] [V4] drm/i915: Enable VBT based BL control for DP

2018-02-20 Thread Mustamin B Mustaffa
Currently, BXT_PP is hardcoded with value '0'. It practically disabled eDP backlight on MRB (BXT) platform. This patch will tell which BXT_PP registers (there are two set of PP_CONTROL in the spec) to be used as defined in VBT (Video Bios Timing table) and this will enabled eDP backlight controlle