issue-48: unset AMDGPU_CREATE_PIXMAP_SCANOUT on shared pixmap
glamor: unset AMDGPU_CREATE_PIXMAP_SCANOUT on shared pixmap In APU and dGPU(Navi21) multi-display test, when the screen setting mode change from "single mode" to "share mode", it screen cannot show normally. Because the pixmap don't create correctly. Acked-by: Shashank Sharma Shashank.Sharma@amd.com
Edited by jie zhang