drm/amdgpu: Add xcp manager num_xcp_per_mem_partition

Used by KFD to check memory limit accounting.
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_xcp.c

@@ -156,6 +156,7 @@ int amdgpu_xcp_init(struct amdgpu_xcp_mgr *xcp_mgr, int num_xcps, int mode)
 	xcp_mgr->num_xcps = num_xcps;
 	amdgpu_xcp_update_partition_sched_list(adev);
 
+	xcp_mgr->num_xcp_per_mem_partition = num_xcps / xcp_mgr->adev->gmc.num_mem_partitions;
 	return 0;
 }
 

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

@@ -83,6 +83,9 @@ struct amdgpu_xcp_mgr {
 	struct amdgpu_xcp xcp[MAX_XCP];
 	uint8_t num_xcps;
 	int8_t mode;
+
+	 /* Used to determine KFD memory size limits per XCP */
+	unsigned int num_xcp_per_mem_partition;
 };
 
 struct amdgpu_xcp_mgr_funcs {