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path: root/drivers/gpu/drm/drm_mm.c
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Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r--drivers/gpu/drm/drm_mm.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index db1e2d6f90d7..07cf99cc8862 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -755,33 +755,35 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
755EXPORT_SYMBOL(drm_mm_debug_table); 755EXPORT_SYMBOL(drm_mm_debug_table);
756 756
757#if defined(CONFIG_DEBUG_FS) 757#if defined(CONFIG_DEBUG_FS)
758int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm) 758static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
759{ 759{
760 struct drm_mm_node *entry;
761 unsigned long total_used = 0, total_free = 0, total = 0;
762 unsigned long hole_start, hole_end, hole_size; 760 unsigned long hole_start, hole_end, hole_size;
763 761
764 hole_start = drm_mm_hole_node_start(&mm->head_node); 762 if (entry->hole_follows) {
765 hole_end = drm_mm_hole_node_end(&mm->head_node); 763 hole_start = drm_mm_hole_node_start(entry);
766 hole_size = hole_end - hole_start; 764 hole_end = drm_mm_hole_node_end(entry);
767 if (hole_size) 765 hole_size = hole_end - hole_start;
768 seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n", 766 seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
769 hole_start, hole_end, hole_size); 767 hole_start, hole_end, hole_size);
770 total_free += hole_size; 768 return hole_size;
769 }
770
771 return 0;
772}
773
774int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
775{
776 struct drm_mm_node *entry;
777 unsigned long total_used = 0, total_free = 0, total = 0;
778
779 total_free += drm_mm_dump_hole(m, &mm->head_node);
771 780
772 drm_mm_for_each_node(entry, mm) { 781 drm_mm_for_each_node(entry, mm) {
773 seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n", 782 seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n",
774 entry->start, entry->start + entry->size, 783 entry->start, entry->start + entry->size,
775 entry->size); 784 entry->size);
776 total_used += entry->size; 785 total_used += entry->size;
777 if (entry->hole_follows) { 786 total_free += drm_mm_dump_hole(m, entry);
778 hole_start = drm_mm_hole_node_start(entry);
779 hole_end = drm_mm_hole_node_end(entry);
780 hole_size = hole_end - hole_start;
781 seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
782 hole_start, hole_end, hole_size);
783 total_free += hole_size;
784 }
785 } 787 }
786 total = total_free + total_used; 788 total = total_free + total_used;
787 789