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path: root/drivers/gpu/drm/ttm/ttm_bo.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c70
1 files changed, 57 insertions, 13 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index cf8834779f5..a835b6fe42a 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -59,6 +59,60 @@ static struct attribute ttm_bo_count = {
.mode = S_IRUGO
};
+static inline int ttm_mem_type_from_flags(uint32_t flags, uint32_t *mem_type)
+{
+ int i;
+
+ for (i = 0; i <= TTM_PL_PRIV5; i++)
+ if (flags & (1 << i)) {
+ *mem_type = i;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static void ttm_mem_type_manager_debug(struct ttm_bo_global *glob,
+ struct ttm_mem_type_manager *man)
+{
+ printk(KERN_ERR TTM_PFX " has_type: %d\n", man->has_type);
+ printk(KERN_ERR TTM_PFX " use_type: %d\n", man->use_type);
+ printk(KERN_ERR TTM_PFX " flags: 0x%08X\n", man->flags);
+ printk(KERN_ERR TTM_PFX " gpu_offset: 0x%08lX\n", man->gpu_offset);
+ printk(KERN_ERR TTM_PFX " io_offset: 0x%08lX\n", man->io_offset);
+ printk(KERN_ERR TTM_PFX " io_size: %ld\n", man->io_size);
+ printk(KERN_ERR TTM_PFX " size: %ld\n", (unsigned long)man->size);
+ printk(KERN_ERR TTM_PFX " available_caching: 0x%08X\n",
+ man->available_caching);
+ printk(KERN_ERR TTM_PFX " default_caching: 0x%08X\n",
+ man->default_caching);
+ spin_lock(&glob->lru_lock);
+ drm_mm_debug_table(&man->manager, TTM_PFX);
+ spin_unlock(&glob->lru_lock);
+}
+
+static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
+ struct ttm_placement *placement)
+{
+ struct ttm_bo_device *bdev = bo->bdev;
+ struct ttm_bo_global *glob = bo->glob;
+ struct ttm_mem_type_manager *man;
+ int i, ret, mem_type;
+
+ printk(KERN_ERR TTM_PFX "No space for %p (%ld pages, %ldK, %ldM)\n",
+ bo, bo->mem.num_pages, bo->mem.size >> 10,
+ bo->mem.size >> 20);
+ for (i = 0; i < placement->num_placement; i++) {
+ ret = ttm_mem_type_from_flags(placement->placement[i],
+ &mem_type);
+ if (ret)
+ return;
+ man = &bdev->man[mem_type];
+ printk(KERN_ERR TTM_PFX " placement[%d]=0x%08X (%d)\n",
+ i, placement->placement[i], mem_type);
+ ttm_mem_type_manager_debug(glob, man);
+ }
+}
+
static ssize_t ttm_bo_global_show(struct kobject *kobj,
struct attribute *attr,
char *buffer)
@@ -592,10 +646,12 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
ret = ttm_bo_mem_space(bo, &placement, &evict_mem, interruptible,
no_wait);
if (ret) {
- if (ret != -ERESTARTSYS)
+ if (ret != -ERESTARTSYS) {
printk(KERN_ERR TTM_PFX
"Failed to find memory space for "
"buffer 0x%p eviction.\n", bo);
+ ttm_bo_mem_space_debug(bo, &placement);
+ }
goto out;
}
@@ -768,18 +824,6 @@ static bool ttm_bo_mt_compatible(struct ttm_mem_type_manager *man,
return true;
}
-static inline int ttm_mem_type_from_flags(uint32_t flags, uint32_t *mem_type)
-{
- int i;
-
- for (i = 0; i <= TTM_PL_PRIV5; i++)
- if (flags & (1 << i)) {
- *mem_type = i;
- return 0;
- }
- return -EINVAL;
-}
-
/**
* Creates space for memory region @mem according to its type.
*