mstm_ctrl        1279 drivers/gpu/drm/nouveau/dispnv50/disp.c 	u8 mstm_ctrl;
mstm_ctrl        1292 drivers/gpu/drm/nouveau/dispnv50/disp.c 		ret = drm_dp_dpcd_readb(aux, DP_MSTM_CTRL, &mstm_ctrl);
mstm_ctrl        1293 drivers/gpu/drm/nouveau/dispnv50/disp.c 		if (ret < 0 || !(mstm_ctrl & DP_MST_EN)) {