/* can't export VSYNC macro because we can't define the exact meaning of vsync off
* at this time. Does committing in standy mode work? Doesn't committing in suspend mode work?
*/
+#define TDM_OUTPUT_DPMS_DEFAULT_MASK 0xF
#define TDM_OUTPUT_DPMS_VSYNC_OFF_MASK 0x2
#define TDM_OUTPUT_DPMS_VSYNC_IS_OFF(dpms) ((dpms) & TDM_OUTPUT_DPMS_VSYNC_OFF_MASK)