diff options
| -rw-r--r-- | drivers/gpu/drm/drm_mm.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ttm.c | 56 | ||||
| -rw-r--r-- | include/drm/drm_mm.h | 4 |
3 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 3e47869d6dae..c861d80fd779 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 diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 0a85e7b5d592..dc7a44274ea8 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -35,11 +35,14 @@ #include <ttm/ttm_module.h> #include <drm/drmP.h> #include <drm/radeon_drm.h> +#include <linux/seq_file.h> #include "radeon_reg.h" #include "radeon.h" #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) +static int radeon_ttm_debugfs_init(struct radeon_device *rdev); + static struct radeon_device *radeon_get_rdev(struct ttm_bo_device *bdev) { struct radeon_mman *mman; @@ -504,6 +507,12 @@ int radeon_ttm_init(struct radeon_device *rdev) if (unlikely(rdev->mman.bdev.dev_mapping == NULL)) { rdev->mman.bdev.dev_mapping = rdev->ddev->dev_mapping; } + + r = radeon_ttm_debugfs_init(rdev); + if (r) { + DRM_ERROR("Failed to init debugfs\n"); + return r; + } return 0; } @@ -678,3 +687,50 @@ struct ttm_backend *radeon_ttm_backend_create(struct radeon_device *rdev) gtt->bound = false; return >t->backend; } + +#define RADEON_DEBUGFS_MEM_TYPES 2 + +static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES]; +static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES][32]; + +#if defined(CONFIG_DEBUG_FS) +static int radeon_mm_dump_table(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *)m->private; + struct drm_mm *mm = (struct drm_mm *)node->info_ent->data; + struct drm_device *dev = node->minor->dev; + struct radeon_device *rdev = dev->dev_private; + int ret; + struct ttm_bo_global *glob = rdev->mman.bdev.glob; + + spin_lock(&glob->lru_lock); + ret = drm_mm_dump_table(m, mm); + spin_unlock(&glob->lru_lock); + return ret; +} +#endif + +static int radeon_ttm_debugfs_init(struct radeon_device *rdev) +{ + unsigned i; + +#if defined(CONFIG_DEBUG_FS) + for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) { + if (i == 0) + sprintf(radeon_mem_types_names[i], "radeon_vram_mm"); + else + sprintf(radeon_mem_types_names[i], "radeon_gtt_mm"); + radeon_mem_types_list[i].name = radeon_mem_types_names[i]; + radeon_mem_types_list[i].show = &radeon_mm_dump_table; + radeon_mem_types_list[i].driver_features = 0; + if (i == 0) + radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_VRAM].manager; + else + radeon_mem_types_list[i].data = &rdev->mman.bdev.man[TTM_PL_TT].manager; + + } + return radeon_debugfs_add_files(rdev, radeon_mem_types_list, RADEON_DEBUGFS_MEM_TYPES); + +#endif + return 0; +} diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h index f8332073d277..bc5a87e8aeea 100644 --- a/include/drm/drm_mm.h +++ b/include/drm/drm_mm.h @@ -96,4 +96,8 @@ static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) return block->mm; } +#ifdef CONFIG_DEBUG_FS +int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm); +#endif + #endif |