[PATCH 0/2] CRTC background color

2018-10-10 Thread Matt Roper
Some display controllers can be programmed to present non-black colors for pixels not covered by any plane (or pixels covered by the transparent regions of higher planes). Compositors that want a UI with a solid color background can potentially save memory bandwidth by setting the CRTC background

[PATCH 0/2] CRTC background color support for i915

2015-10-22 Thread Matt Roper
Recent Intel platforms (SKL+) support a background canvas color below the hardware planes. This background color can be seen on areas not covered by a plane, or if we program the hardware with various plane blending modes. Chandra Konduru previously took a stab at writing i915 patches to support