1*4882a593Smuzhiyun# Primary screen 2*4882a593Smuzhiyunexport WESTON_DRM_PRIMARY=HDMI-A-1 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun# Single screen 5*4882a593Smuzhiyunexport WESTON_DRM_SINGLE_HEAD=1