freedreno: add gpu-id property

Gallium driver will need to query this to figure out whether to load the
a2xx or a3xx driver.

Signed-off-by: Rob Clark <robclark@freedesktop.org>

freedreno/freedreno_drmif.h

@@ -48,6 +48,7 @@ enum fd_pipe_id {
 enum fd_param_id {
 	FD_DEVICE_ID,
 	FD_GMEM_SIZE,
+	FD_GPU_ID,
 };
 
 /* bo flags: */

freedreno/freedreno_pipe.c

@@ -142,6 +142,9 @@ int fd_pipe_get_param(struct fd_pipe *pipe, enum fd_param_id param,
 	case FD_DEVICE_ID:
 		*value = pipe->devinfo.device_id;
 		return 0;
+	case FD_GPU_ID:
+		*value = pipe->devinfo.gpu_id;
+		return 0;
 	case FD_GMEM_SIZE:
 		*value = pipe->devinfo.gmem_sizebytes;
 		return 0;