Re: [Intel-gfx] [RFC v4 1/8] drm: Add Enhanced Gamma LUT precision structure

2018-08-22 Thread Shankar, Uma
>-Original Message- >From: Alexandru-Cosmin Gheorghe [mailto:Alexandru- >cosmin.gheor...@arm.com] >Sent: Tuesday, August 21, 2018 3:00 PM >To: Shankar, Uma >Cc: intel-gfx@lists.freedesktop.org; dri-de...@lists.freedesktop.org; >dcasta...@chromium.org; emil.l.veli...@gmail.com; seanp...@c

Re: [Intel-gfx] [RFC v4 1/8] drm: Add Enhanced Gamma LUT precision structure

2018-08-21 Thread Alexandru-Cosmin Gheorghe
Hi Uma, On Fri, Aug 17, 2018 at 07:48:44PM +0530, Uma Shankar wrote: > Existing LUT precision structure is having only 16 bit > precision. This is not enough for upcoming enhanced hardwares > and advance usecases like HDR processing. Hence added a new > structure with 32 bit precision values. Also

[Intel-gfx] [RFC v4 1/8] drm: Add Enhanced Gamma LUT precision structure

2018-08-17 Thread Uma Shankar
Existing LUT precision structure is having only 16 bit precision. This is not enough for upcoming enhanced hardwares and advance usecases like HDR processing. Hence added a new structure with 32 bit precision values. Also added the code, for extracting the same from values passed from userspace. v