drm/amdgpu: initialize GDS/GWS/OA domains even when they are zero sized

Stops crashing on SI.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1845,35 +1845,26 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
 		 (unsigned)(gtt_size / (1024 * 1024)));
 
 	/* Initialize various on-chip memory pools */
-	/* GDS Memory */
-	if (adev->gds.mem.total_size) {
 	r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GDS,
 			   adev->gds.mem.total_size);
 	if (r) {
 		DRM_ERROR("Failed initializing GDS heap.\n");
 		return r;
 	}
-	}
 
-	/* GWS */
-	if (adev->gds.gws.total_size) {
 	r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_GWS,
 			   adev->gds.gws.total_size);
 	if (r) {
 		DRM_ERROR("Failed initializing gws heap.\n");
 		return r;
 	}
-	}
 
-	/* OA */
-	if (adev->gds.oa.total_size) {
 	r = ttm_bo_init_mm(&adev->mman.bdev, AMDGPU_PL_OA,
 			   adev->gds.oa.total_size);
 	if (r) {
 		DRM_ERROR("Failed initializing oa heap.\n");
 		return r;
 	}
-	}
 
 	/* Register debugfs entries for amdgpu_ttm */
 	r = amdgpu_ttm_debugfs_init(adev);
@@ -1909,11 +1900,8 @@ void amdgpu_ttm_fini(struct amdgpu_device *adev)
 
 	ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_VRAM);
 	ttm_bo_clean_mm(&adev->mman.bdev, TTM_PL_TT);
-	if (adev->gds.mem.total_size)
 	ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_GDS);
-	if (adev->gds.gws.total_size)
 	ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_GWS);
-	if (adev->gds.oa.total_size)
 	ttm_bo_clean_mm(&adev->mman.bdev, AMDGPU_PL_OA);
 	ttm_bo_device_release(&adev->mman.bdev);
 	amdgpu_ttm_global_fini(adev);