Commit d398811e authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/ttm: allow drivers to provide their own manager subclasses 



This will get removed eventually and all drivers will use this.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200804025632.3868079-45-airlied@gmail.com
parent 01057278

include/drm/ttm/ttm_bo_driver.h

+10 −1
Original line number Diff line number Diff line
@@ -419,7 +419,7 @@ struct ttm_bo_device { 
	 * access via ttm_manager_type.

	 */

	struct ttm_mem_type_manager man_priv[TTM_NUM_MEM_TYPES];



	struct ttm_mem_type_manager *man_drv[TTM_NUM_MEM_TYPES];

	/*

	 * Protected by internal locks.

	 */
@@ -450,9 +450,18 @@ struct ttm_bo_device { 
static inline struct ttm_mem_type_manager *ttm_manager_type(struct ttm_bo_device *bdev,

							    int mem_type)

{

	if (bdev->man_drv[mem_type])

		return bdev->man_drv[mem_type];

	return &bdev->man_priv[mem_type];

}



static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev,

					  int type,

					  struct ttm_mem_type_manager *manager)

{

	bdev->man_drv[type] = manager;

}



/**

 * struct ttm_lru_bulk_move_pos

 *