Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Daniel Vetter
On Mon, Sep 14, 2015 at 01:10:01PM +0300, Jani Nikula wrote: > On Mon, 14 Sep 2015, Daniel Vetter wrote: > > On Fri, Sep 11, 2015 at 02:28:02PM +0300, Jani Nikula wrote: > >> On Fri, 11 Sep 2015, Deepak M wrote: > >> > In CABC (Content Adaptive Brightness

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Jani Nikula
On Mon, 14 Sep 2015, Jani Nikula wrote: > On Mon, 14 Sep 2015, Daniel Vetter wrote: >> On Fri, Sep 11, 2015 at 02:28:02PM +0300, Jani Nikula wrote: >>> On Fri, 11 Sep 2015, Deepak M wrote: >>> > In CABC (Content Adaptive

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Jani Nikula
On Mon, 14 Sep 2015, Daniel Vetter wrote: > On Mon, Sep 14, 2015 at 01:10:01PM +0300, Jani Nikula wrote: >> On Mon, 14 Sep 2015, Daniel Vetter wrote: >> > On Fri, Sep 11, 2015 at 02:28:02PM +0300, Jani Nikula wrote: >> >> On Fri, 11 Sep 2015, Deepak M

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Daniel Vetter
On Fri, Sep 11, 2015 at 02:28:02PM +0300, Jani Nikula wrote: > On Fri, 11 Sep 2015, Deepak M wrote: > > In CABC (Content Adaptive Brightness Control) content grey level > > scale can be increased while simultaneously decreasing > > brightness of the backlight to achieve same

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Daniel Vetter
On Fri, Sep 11, 2015 at 10:17:48AM +0530, Deepak M wrote: > In CABC (Content Adaptive Brightness Control) content grey level > scale can be increased while simultaneously decreasing > brightness of the backlight to achieve same perceived brightness. > > The CABC is not standardized and panel

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-14 Thread Jani Nikula
On Mon, 14 Sep 2015, Daniel Vetter wrote: > On Fri, Sep 11, 2015 at 02:28:02PM +0300, Jani Nikula wrote: >> On Fri, 11 Sep 2015, Deepak M wrote: >> > In CABC (Content Adaptive Brightness Control) content grey level >> > scale can be increased while

Re: [Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-11 Thread Jani Nikula
On Fri, 11 Sep 2015, Deepak M wrote: > In CABC (Content Adaptive Brightness Control) content grey level > scale can be increased while simultaneously decreasing > brightness of the backlight to achieve same perceived brightness. > > The CABC is not standardized and panel

[Intel-gfx] [RFC CABC v3 PATCH 2/2] drm/i915: CABC support for backlight control

2015-09-10 Thread Deepak M
In CABC (Content Adaptive Brightness Control) content grey level scale can be increased while simultaneously decreasing brightness of the backlight to achieve same perceived brightness. The CABC is not standardized and panel vendors are free to follow their implementation. The CABC implementaion