diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index f01c6c1711d7..22d113eca452 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -68,6 +68,7 @@ struct dc_caps {
 	uint32_t max_planes;
 	uint32_t max_downscale_ratio;
 	uint32_t i2c_speed_in_khz;
+	uint32_t dmdata_alloc_size;
 	unsigned int max_cursor_size;
 	unsigned int max_video_width;
 	int linear_pitch_alignment;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index d7e6d53bb383..e6e944423b3c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -59,6 +59,8 @@ struct dc_stream_state {
 	struct freesync_context freesync_ctx;
 
 	struct dc_info_packet hdr_static_metadata;
+	PHYSICAL_ADDRESS_LOC dmdata_address;
+
 	struct dc_transfer_func *out_transfer_func;
 	struct colorspace_transform gamut_remap_matrix;
 	struct dc_csc_transform csc_color_matrix;