Re: [PATCH v2 1/4] drm: add RGB formats with separate alpha plane

2017-03-01 Thread Philipp Zabel
On Tue, 2017-02-28 at 18:58 +0200, Ville Syrjälä wrote: > On Tue, Feb 28, 2017 at 03:12:35PM +0100, Philipp Zabel wrote: > > Some hardware can read the alpha components separately and then > > conditionally fetch color components only for non-zero alpha values. > > This patch adds fourcc definition

Re: [PATCH v2 1/4] drm: add RGB formats with separate alpha plane

2017-02-28 Thread Ville Syrjälä
On Tue, Feb 28, 2017 at 03:12:35PM +0100, Philipp Zabel wrote: > Some hardware can read the alpha components separately and then > conditionally fetch color components only for non-zero alpha values. > This patch adds fourcc definitions for two-plane RGB formats with an > 8-bit alpha channel on a s

[PATCH v2 1/4] drm: add RGB formats with separate alpha plane

2017-02-28 Thread Philipp Zabel
Some hardware can read the alpha components separately and then conditionally fetch color components only for non-zero alpha values. This patch adds fourcc definitions for two-plane RGB formats with an 8-bit alpha channel on a second plane. Signed-off-by: Philipp Zabel --- Changes since v1: - Ad