Re: [Intel-gfx] [PATCH v4 4/4] drm/i915/icl: Add Multi-segmented gamma support

2019-05-09 Thread Ville Syrjälä
On Thu, May 09, 2019 at 01:05:26AM +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 v4 4/4] drm/i915/icl: Add Multi-segmented gamma support

2019-05-08 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