On 2018-05-03 08:31 PM, sunpeng.li at amd.com wrote: > From: "Leo (Sunpeng) Li" <sunpeng.li at amd.com> > > The properties on an RandR output needs to stay consistent throughout > it's lifecycle. However, we cannot list color properties on an output if > there is no CRTC attached. > > Therefore, create a fake CRTC, and initialize "disabled" color > properites on outputs without a CRTC. > > Signed-off-by: Leo (Sunpeng) Li <sunpeng.li at amd.com> If this patch remains: I don't get the point of the fake CRTC. AFAICT rr_configure_and_change_cm_property could simply handle a NULL crtc more or less the same way it does the fake one? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer