drm/ttm: stop allocating dummy resources during BO creation

That should not be necessary any more when drivers should at least be
able to handle the move without a resource.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230124125726.13323-2-christian.koenig@amd.com

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 326a3d1..bb0c21c 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -953,7 +953,6 @@ int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
                         struct sg_table *sg, struct dma_resv *resv,
                         void (*destroy) (struct ttm_buffer_object *))
 {
-       static const struct ttm_place sys_mem = { .mem_type = TTM_PL_SYSTEM };
        int ret;
 
        kref_init(&bo->kref);
@@ -970,12 +969,6 @@ int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
                bo->base.resv = &bo->base._resv;
        atomic_inc(&ttm_glob.bo_count);
 
-       ret = ttm_resource_alloc(bo, &sys_mem, &bo->resource);
-       if (unlikely(ret)) {
-               ttm_bo_put(bo);
-               return ret;
-       }
-
        /*
         * For ttm_bo_type_device buffers, allocate
         * address space from the device.