diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 3e47869d6da..c861d80fd77 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -44,6 +44,7 @@ #include "drmP.h" #include "drm_mm.h" #include <linux/slab.h> +#include <linux/seq_file.h> #define MM_UNUSED_TARGET 4 @@ -370,3 +371,23 @@ void drm_mm_takedown(struct drm_mm * mm) BUG_ON(mm->num_unused != 0); } EXPORT_SYMBOL(drm_mm_takedown); + +#if defined(CONFIG_DEBUG_FS) +int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm) +{ + struct drm_mm_node *entry; + int total_used = 0, total_free = 0, total = 0; + + list_for_each_entry(entry, &mm->ml_entry, ml_entry) { + seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: %s\n", entry->start, entry->start + entry->size, entry->size, entry->free ? "free" : "used"); + total += entry->size; + if (entry->free) + total_free += entry->size; + else + total_used += entry->size; + } + seq_printf(m, "total: %d, used %d free %d\n", total, total_free, total_used); + return 0; +} +EXPORT_SYMBOL(drm_mm_dump_table); +#endif |