drm/vram_helper: implement a ttm move callback. (2b8283ff) · Commits · 戴 / test

drivers/gpu/drm/drm_gem_vram_helper.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -588,6 +588,14 @@ static void drm_gem_vram_bo_driver_move_notify(struct drm_gem_vram_object *gbo,
		kmap->virtual = NULL;
		}

		static int drm_gem_vram_bo_driver_move(struct drm_gem_vram_object *gbo,
		bool evict,
		struct ttm_operation_ctx *ctx,
		struct ttm_resource *new_mem)
		{
		return ttm_bo_move_memcpy(&gbo->bo, ctx, new_mem);
		}

		/*
		* Helpers for struct drm_gem_object_funcs
		*/
		@@ -950,6 +958,18 @@ static void bo_driver_move_notify(struct ttm_buffer_object *bo,
		drm_gem_vram_bo_driver_move_notify(gbo, evict, new_mem);
		}

		static int bo_driver_move(struct ttm_buffer_object *bo,
		bool evict,
		struct ttm_operation_ctx *ctx,
		struct ttm_resource *new_mem)
		{
		struct drm_gem_vram_object *gbo;

		gbo = drm_gem_vram_of_bo(bo);

		return drm_gem_vram_bo_driver_move(gbo, evict, ctx, new_mem);
		}

		static int bo_driver_io_mem_reserve(struct ttm_bo_device *bdev,
		struct ttm_resource *mem)
		{
		@@ -974,6 +994,7 @@ static struct ttm_bo_driver bo_driver = {
		.ttm_tt_destroy = bo_driver_ttm_tt_destroy,
		.eviction_valuable = ttm_bo_eviction_valuable,
		.evict_flags = bo_driver_evict_flags,
		.move = bo_driver_move,
		.move_notify = bo_driver_move_notify,
		.io_mem_reserve = bo_driver_io_mem_reserve,
		};