Re: [PATCH v2 2/3] drm: Add CRTC background color property (v2)

2018-11-14 Thread Matt Roper
On Wed, Nov 14, 2018 at 11:17:25AM -0500, Sean Paul wrote: > On Tue, Nov 13, 2018 at 03:21:48PM -0800, Matt Roper wrote: > > 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

Re: [PATCH v2 2/3] drm: Add CRTC background color property (v2)

2018-11-14 Thread Matt Roper
On Wed, Nov 14, 2018 at 07:20:36PM +0200, Ville Syrjälä wrote: > On Tue, Nov 13, 2018 at 03:21:48PM -0800, Matt Roper wrote: ... > > > > +/* > > + * Put RGBA values into a standard 64-bit representation that can be used > > + * for ioctl parameters, inter-driver commmunication, etc. If the > >

Re: [PATCH v2 2/3] drm: Add CRTC background color property (v2)

2018-11-14 Thread Ville Syrjälä
On Tue, Nov 13, 2018 at 03:21:48PM -0800, Matt Roper wrote: > 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

Re: [PATCH v2 2/3] drm: Add CRTC background color property (v2)

2018-11-14 Thread Sean Paul
On Tue, Nov 13, 2018 at 03:21:48PM -0800, Matt Roper wrote: > 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

[PATCH v2 2/3] drm: Add CRTC background color property (v2)

2018-11-13 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