On 05.08.2016 15:09, Emily Deng wrote: > For virtual display feature, define on variable in amdgpu.ko. When want to > enable virtual display feature, need set the option "amdgpu.virtual_display=1". > And then disable vga render and crtc if have DCE engine. What if there are multiple GPUs supported by amdgpu in the system, and the user wants to enable virtual output for some, but not all of them? -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer