drm/amdgpu: add PASID mapping for GMC v9

This way we can see the PASID in VM faults.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc15.h

@@ -27,7 +27,7 @@
 #include "nbio_v6_1.h"
 #include "nbio_v7_0.h"
 
-#define SOC15_FLUSH_GPU_TLB_NUM_WREG	3
+#define SOC15_FLUSH_GPU_TLB_NUM_WREG	4
 
 extern const struct amd_ip_funcs soc15_common_ip_funcs;