Re: [Intel-gfx] [PATCH 3/3] drm/i915/icl: Add Multi-segmented gamma support

2019-04-29 Thread Sharma, Shashank
On 4/29/2019 5:19 PM, Ville Syrjälä wrote: On Mon, Apr 29, 2019 at 05:00:21PM +0530, Sharma, Shashank wrote: On 4/26/2019 11:59 PM, Ville Syrjälä wrote: On Fri, Apr 26, 2019 at 11:31:51PM +0530, Shashank Sharma wrote: ICL introduces a new gamma correction mode in display engine, called multi-

Re: [Intel-gfx] [PATCH 3/3] drm/i915/icl: Add Multi-segmented gamma support

2019-04-29 Thread Ville Syrjälä
On Mon, Apr 29, 2019 at 05:00:21PM +0530, Sharma, Shashank wrote: > > On 4/26/2019 11:59 PM, Ville Syrjälä wrote: > > On Fri, Apr 26, 2019 at 11:31:51PM +0530, Shashank Sharma wrote: > >> ICL introduces a new gamma correction mode in display engine, called > >> multi-segmented-gamma mode. This mod

Re: [Intel-gfx] [PATCH 3/3] drm/i915/icl: Add Multi-segmented gamma support

2019-04-29 Thread Sharma, Shashank
On 4/26/2019 11:59 PM, Ville Syrjälä wrote: On Fri, Apr 26, 2019 at 11:31:51PM +0530, Shashank Sharma wrote: ICL introduces a new gamma correction mode in display engine, called multi-segmented-gamma mode. This mode allows users to program the darker region of the gamma curve with sueprfine pre

Re: [Intel-gfx] [PATCH 3/3] drm/i915/icl: Add Multi-segmented gamma support

2019-04-26 Thread Ville Syrjälä
On Fri, Apr 26, 2019 at 11:31:51PM +0530, Shashank Sharma wrote: > ICL introduces a new gamma correction mode in display engine, called > multi-segmented-gamma mode. This mode allows users to program the > darker region of the gamma curve with sueprfine precision. An > example use case for this is

[Intel-gfx] [PATCH 3/3] drm/i915/icl: Add Multi-segmented gamma support

2019-04-26 Thread Shashank Sharma
ICL introduces a new gamma correction mode in display engine, called multi-segmented-gamma mode. This mode allows users to program the darker region of the gamma curve with sueprfine precision. An example use case for this is HDR curves (like PQ ST-2084). If we plot a gamma correction curve from v