drm/amdgpu: Virtual display need to support multiple ctrcs

The crtc num is determined by virtual_display parameter.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Emily Deng 2020-03-25 19:01:58 +08:00 • committed by Alex Deucher
commit 02f6efb478