Commit bbd52b61 authored by Matthew Brost's avatar Matthew Brost Committed by Rodrigo Vivi
Browse files

drm/gpuva: Add drm_gpuva_for_each_op_reverse 



Add a helper to walk op list in reverse. Xe will make use of this when
unwinding GPUVA operations.

v2: (Rodrigo) reword commit message

Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 5ef091fc

include/drm/drm_gpuvm.h

+10 −0
Original line number Diff line number Diff line
@@ -1007,6 +1007,16 @@ struct drm_gpuva_ops { 
#define drm_gpuva_for_each_op_from_reverse(op, ops) \

	list_for_each_entry_from_reverse(op, &(ops)->list, entry)



/**

 * drm_gpuva_for_each_op_reverse - iterator to walk over &drm_gpuva_ops in reverse

 * @op: &drm_gpuva_op to assign in each iteration step

 * @ops: &drm_gpuva_ops to walk

 *

 * This iterator walks over all ops within a given list of operations in reverse

 */

#define drm_gpuva_for_each_op_reverse(op, ops) \

	list_for_each_entry_reverse(op, &(ops)->list, entry)



/**

 * drm_gpuva_first_op() - returns the first &drm_gpuva_op from &drm_gpuva_ops

 * @ops: the &drm_gpuva_ops to get the fist &drm_gpuva_op from