Re: [Intel-gfx] [v4] drm/i915: Fix Limited Range Color Handling

2018-02-22 Thread Ville Syrjälä
On Tue, Jan 30, 2018 at 09:21:29PM +0530, Uma Shankar wrote: > From: Johnson Lin > > Some panels support limited range output (16-235) compared > to full range RGB values (0-255). Also userspace can control > the RGB range using "Broadcast RGB" property. Currently the >

[Intel-gfx] [v4] drm/i915: Fix Limited Range Color Handling

2018-01-30 Thread Uma Shankar
From: Johnson Lin Some panels support limited range output (16-235) compared to full range RGB values (0-255). Also userspace can control the RGB range using "Broadcast RGB" property. Currently the code to handle full range to limited range is broken. This patch fixes the