drm: Fix conflicting macro parameter in drm_mm_for_each_node_in_range()

/**

 * drm_mm_for_each_node_in_range - iterator to walk over a range of

 * allocated nodes

 * @node: drm_mm_node structure to assign to in each iteration step

 * @mm: drm_mm allocator to walk

 * @start: starting offset, the first node will overlap this

 * @end: ending offset, the last node will start before this (but may overlap)

 * @node__: drm_mm_node structure to assign to in each iteration step

 * @mm__: drm_mm allocator to walk

 * @start__: starting offset, the first node will overlap this

 * @end__: ending offset, the last node will start before this (but may overlap)

 *

 * This iterator walks over all nodes in the range allocator that lie

 * between @start and @end. It is implemented similarly to list_for_each(),

 * starting node, and so not safe against removal of elements. It assumes

 * that @end is within (or is the upper limit of) the drm_mm allocator.

 */

#define drm_mm_for_each_node_in_range(node, mm, start, end)		\

	for (node = __drm_mm_interval_first((mm), (start), (end)-1);	\

	     node && node->start < (end);				\

	     node = list_next_entry(node, node_list))			\

#define drm_mm_for_each_node_in_range(node__, mm__, start__, end__)	\

	for (node__ = __drm_mm_interval_first((mm__), (start__), (end__)-1); \

	     node__ && node__->start < (end__);				\

	     node__ = list_next_entry(node__, node_list))

void drm_mm_init_scan(struct drm_mm *mm,

		      u64 size,