drm/amdgpu:free CSA in unified place

instead of doing it in each GFX ip's sw_fini

Signed-off-by: Monk Liu <[e-mail]>
Reviewed-by: Christian König <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 		if (!adev->ip_blocks[i].status.hw)
 			continue;
 		if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_GMC) {
+			amdgpu_free_static_csa(adev);
 			amdgpu_wb_fini(adev);
 			amdgpu_vram_scratch_fini(adev);
 		}

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

···
 	return 0;
 }
 
+void amdgpu_free_static_csa(struct amdgpu_device *adev) {
+	amdgpu_bo_free_kernel(&adev->virt.csa_obj,
+						&adev->virt.csa_vmid0_addr,
+						NULL);
+}
+
 /*
  * amdgpu_map_static_csa should be called during amdgpu_vm_init
  * it maps virtual address "AMDGPU_VA_RESERVED_SIZE - AMDGPU_CSA_SIZE"

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

···
 int amdgpu_allocate_static_csa(struct amdgpu_device *adev);
 int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 			  struct amdgpu_bo_va **bo_va);
+void amdgpu_free_static_csa(struct amdgpu_device *adev);
 void amdgpu_virt_init_setting(struct amdgpu_device *adev);
 uint32_t amdgpu_virt_kiq_rreg(struct amdgpu_device *adev, uint32_t reg);
 void amdgpu_virt_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v);

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

···
 	amdgpu_gfx_compute_mqd_sw_fini(adev);
 	amdgpu_gfx_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
 	amdgpu_gfx_kiq_fini(adev);
-	amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
 
 	gfx_v8_0_mec_fini(adev);
 	gfx_v8_0_rlc_fini(adev);

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

···
 	amdgpu_gfx_compute_mqd_sw_fini(adev);
 	amdgpu_gfx_kiq_free_ring(&adev->gfx.kiq.ring, &adev->gfx.kiq.irq);
 	amdgpu_gfx_kiq_fini(adev);
-	amdgpu_bo_free_kernel(&adev->virt.csa_obj, &adev->virt.csa_vmid0_addr, NULL);
 
 	gfx_v9_0_mec_fini(adev);
 	gfx_v9_0_ngg_fini(adev);