Commit 18025378 authored by Christian König's avatar Christian König
Browse files

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: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarMatthew Auld <matthew.auld@intel.com>
Signed-off-by: default avatarMatthew Auld <matthew.auld@intel.com>
Acked-by: default avatarNirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230130120636.63765-4-matthew.auld@intel.com
parent 24243212

drivers/gpu/drm/ttm/ttm_bo.c

+0 −7
Original line number Diff line number Diff line
@@ -952,7 +952,6 @@ 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);
@@ -969,12 +968,6 @@ 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.