compositor-drm: Support creating drm_fb backed by dumb buffers
compositor-drm: Support creating drm_fb backed by dumb buffers

xorgy/weston,Fantu/compositor-spice,sir-murray/weston,mchalupa/weston,krezovic/weston,kwm81/weston,kwm81/weston,jonnylamb/weston,Fantu/compositor-spice,mchalupa/weston,jonnylamb/weston,krezovic/weston,Gnurou/weston,xorgy/weston,Fantu/compositor-spice,giucam/weston,eyolfson/weston,sir-murray/weston,Tarnyko/weston-xdg_surface_present,udoprog/weston,Tarnyko/weston-xdg_surface_present,giucam/weston,udoprog/weston,eyolfson/weston,Gnurou/weston