drm/ttm: move unbind into the tt destroy.

This moves unbind into the driver side on destroy paths.
Reviewed-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200917043040.146575-4-airlied@gmail.com

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

@@ -1267,6 +1267,7 @@ static void amdgpu_ttm_backend_destroy(struct ttm_bo_device *bdev,
 {
 	struct amdgpu_ttm_tt *gtt = (void *)ttm;
 
+	amdgpu_ttm_backend_unbind(bdev, ttm);
 	ttm_tt_destroy_common(bdev, ttm);
 	if (gtt->usertask)
 		put_task_struct(gtt->usertask);

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -1372,6 +1372,7 @@ nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
 #if IS_ENABLED(CONFIG_AGP)
 	struct nouveau_drm *drm = nouveau_bdev(bdev);
 	if (drm->agp.bridge) {
+		ttm_agp_unbind(ttm);
 		ttm_tt_destroy_common(bdev, ttm);
 		ttm_agp_destroy(ttm);
 		return;

drivers/gpu/drm/nouveau/nouveau_sgdma.c

@@ -20,6 +20,7 @@ nouveau_sgdma_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
 	struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)ttm;
 
 	if (ttm) {
+		nouveau_sgdma_unbind(bdev, ttm);
 		ttm_tt_destroy_common(bdev, ttm);
 		ttm_dma_tt_fini(&nvbe->ttm);
 		kfree(nvbe);

drivers/gpu/drm/radeon/radeon_ttm.c

@@ -576,6 +576,7 @@ static void radeon_ttm_backend_destroy(struct ttm_bo_device *bdev, struct ttm_tt
 {
 	struct radeon_ttm_tt *gtt = (void *)ttm;
 
+	radeon_ttm_backend_unbind(bdev, ttm);
 	ttm_tt_destroy_common(bdev, ttm);
 
 	ttm_dma_tt_fini(&gtt->ttm);
@@ -757,6 +758,7 @@ static void radeon_ttm_tt_destroy(struct ttm_bo_device *bdev,
 	struct radeon_device *rdev = radeon_get_rdev(bdev);
 
 	if (rdev->flags & RADEON_IS_AGP) {
+		ttm_agp_unbind(ttm);
 		ttm_tt_destroy_common(bdev, ttm);
 		ttm_agp_destroy(ttm);
 		return;

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1619,7 +1619,6 @@ void ttm_bo_tt_destroy(struct ttm_buffer_object *bo)
 	if (bo->ttm == NULL)
 		return;
 
-	ttm_bo_tt_unbind(bo);
 	ttm_tt_destroy(bo->bdev, bo->ttm);
 	bo->ttm = NULL;
 }

drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c

@@ -636,6 +636,7 @@ static void vmw_ttm_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
 	struct vmw_ttm_tt *vmw_be =
 		container_of(ttm, struct vmw_ttm_tt, dma_ttm.ttm);
 
+	vmw_ttm_unbind(bdev, ttm);
 	ttm_tt_destroy_common(bdev, ttm);
 	vmw_ttm_unmap_dma(vmw_be);
 	if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent)