drm/amdgpu/pp/smu7: remove local mc_addr variable

use the structure member directly.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c

@@ -571,7 +571,6 @@ int smu7_setup_pwr_virus(struct pp_hwmgr *hwmgr)
 int smu7_init(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_smumgr *smu_data;
-	uint64_t mc_addr = 0;
 	int r;
 	/* Allocate memory for backend private data */
 	smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
@@ -585,14 +584,12 @@ int smu7_init(struct pp_hwmgr *hwmgr)
 		PAGE_SIZE,
 		AMDGPU_GEM_DOMAIN_VRAM,
 		&smu_data->header_buffer.handle,
-		&mc_addr,
+		&smu_data->header_buffer.mc_addr,
 		&smu_data->header_buffer.kaddr);
 
 	if (r)
 		return -EINVAL;
 
-	smu_data->header_buffer.mc_addr = mc_addr;
-
 	if (!hwmgr->not_vf)
 		return 0;
 
@@ -602,7 +599,7 @@ int smu7_init(struct pp_hwmgr *hwmgr)
 		PAGE_SIZE,
 		AMDGPU_GEM_DOMAIN_VRAM,
 		&smu_data->smu_buffer.handle,
-		&mc_addr,
+		&smu_data->smu_buffer.mc_addr,
 		&smu_data->smu_buffer.kaddr);
 
 	if (r) {
@@ -611,7 +608,6 @@ int smu7_init(struct pp_hwmgr *hwmgr)
 					&smu_data->header_buffer.kaddr);
 		return -EINVAL;
 	}
-	smu_data->smu_buffer.mc_addr = mc_addr;
 
 	if (smum_is_hw_avfs_present(hwmgr))
 		hwmgr->avfs_supported = true;