[Intel-gfx] [PATCH] drm/i915/bxt: BLC implementation

[Daniel Vetter]

On Tue, May 05, 2015 at 02:33:39PM +0300, Jani Nikula wrote:
> On Tue, 05 May 2015, Vandana Kannan <vandana.kannan at intel.com> wrote:
> > Enabling BLC on BXT.
> > Includes register definition, and new functions for BXT.
> >
> > In BXT, there are 2 sets of registers for BLC. Until there is clarity
> > about which set would be effective, set 1 is being used.
> > This would have to be re-visited if there is any change or when 2 LFPs are
> > enabled on BXT.
> >
> > This patch enables brightness change which would be effected by use of
> > hot-keys or sysfs entry.
> >
> > TODO:- BLC implementation will have to re-visited when
> > 1. there is clarity about which set of registers has to be used and when.
> > 2. CDCLK frequency is changed
> >
> > v2: Jani's review comments
> > 	- Modified comment in i915_reg.h
> > 	- Renamed register defintions
> > 	- Removed definition of duty cycle max. Not required now and its not 64-bit.
> >
> > v3:
> >   - Rebase on top of VLV/CHV backlight changes, in particuliar
> >     bxt_set_backlight() now has a different prototype (Damien)
> >
> > Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> 
> Yup.

Queued for -next, thanks for the patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch