drm/amdgpu: Remove useless csa gpu address in vmid0

driver didn't use this address so far.
Reviewed-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -48,7 +48,7 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev)
 
 	r = amdgpu_bo_create_kernel(adev, AMDGPU_CSA_SIZE, PAGE_SIZE,
 				AMDGPU_GEM_DOMAIN_VRAM, &adev->virt.csa_obj,
-				&adev->virt.csa_vmid0_addr, &ptr);
+				NULL, &ptr);
 	if (r)
 		return r;
 
@@ -58,7 +58,7 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev)
 
 void amdgpu_free_static_csa(struct amdgpu_device *adev) {
 	amdgpu_bo_free_kernel(&adev->virt.csa_obj,
-						&adev->virt.csa_vmid0_addr,
+						NULL,
 						NULL);
 }
 

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

@@ -238,7 +238,6 @@ typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
 struct amdgpu_virt {
 	uint32_t			caps;
 	struct amdgpu_bo		*csa_obj;
-	uint64_t			csa_vmid0_addr;
 	bool chained_ib_support;
 	uint32_t			reg_val_offs;
 	struct amdgpu_irq_src		ack_irq;