Re: [Intel-gfx] [PATCH v3 18/20] drm/i915: Use gamma LUT for RGB limited range compression

2022-11-18 Thread Shankar, Uma
> -Original Message- > From: Intel-gfx On Behalf Of Ville > Syrjala > Sent: Monday, November 14, 2022 9:08 PM > To: intel-gfx@lists.freedesktop.org > Subject: [Intel-gfx] [PATCH v3 18/20] drm/i915: Use gamma LUT for RGB limited > range compression > > From:

[Intel-gfx] [PATCH v3 18/20] drm/i915: Use gamma LUT for RGB limited range compression

2022-11-14 Thread Ville Syrjala
From: Ville Syrjälä On ilk+ and glk class hardware we current make a mess of things when we have to both generate limited range output and use the hw gamma LUT. Since we do the range compression using the pipe CSC unit (which is situated before the gamma LUT in the pipe) we are in fact applying