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drm: Rename prev_node to hole in drm_mm_scan_add_block() 

Acknowledging that we were building up the hole was more useful to me
when reading the code, than knowing the relationship between this node
and the previous node.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161222083641.2691-28-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2016-12-22 08:36:30 +00:00 committed by Daniel Vetter
parent 25a7bb1834
commit 4a6c156f56
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/drm_mm.c
View File

@ -811,7 +811,7 @@ bool drm_mm_scan_add_block(struct drm_mm_scan *scan,
struct drm_mm_node *node)
{
struct drm_mm *mm = scan->mm;
struct drm_mm_node *prev_node;
struct drm_mm_node *hole;
u64 hole_start, hole_end;
u64 adj_start, adj_end;
@ -821,17 +821,17 @@ bool drm_mm_scan_add_block(struct drm_mm_scan *scan,
node->scanned_block = 1;
mm->scan_active++;
prev_node = list_prev_entry(node, node_list);
hole = list_prev_entry(node, node_list);
node->scanned_preceeds_hole = prev_node->hole_follows;
prev_node->hole_follows = 1;
node->scanned_preceeds_hole = hole->hole_follows;
hole->hole_follows = 1;
list_del(&node->node_list);
node->node_list.prev = &prev_node->node_list;
node->node_list.prev = &hole->node_list;
node->node_list.next = &scan->prev_scanned_node->node_list;
scan->prev_scanned_node = node;
adj_start = hole_start = drm_mm_hole_node_start(prev_node);
adj_end = hole_end = drm_mm_hole_node_end(prev_node);
adj_start = hole_start = drm_mm_hole_node_start(hole);
adj_end = hole_end = drm_mm_hole_node_end(hole);
if (scan->check_range) {
if (adj_start < scan->range_start)
@ -841,7 +841,7 @@ bool drm_mm_scan_add_block(struct drm_mm_scan *scan,
}
if (mm->color_adjust)
mm->color_adjust(prev_node, scan->color, &adj_start, &adj_end);
mm->color_adjust(hole, scan->color, &adj_start, &adj_end);
if (check_free_hole(adj_start, adj_end,
scan->size, scan->alignment)) {