diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 37ac1b2..588e86c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1133,6 +1133,7 @@
 	unsigned multi_gpu_tile_size;
 	unsigned mc_arb_ramcfg;
 	unsigned gb_addr_config;
+	unsigned num_rbs;
 
 	uint32_t tile_mode_array[32];
 	uint32_t macrotile_mode_array[16];