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Remove the memory manager parameter from the put_block function, as this 

makes the client code a lot cleaner. Prepare buffer manager for lock and
unlock calls.
main
Thomas Hellstrom 2006-10-17 11:28:48 +02:00
parent 5881ce1b91
commit db5c671e86
5 changed files with 32 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
linux-core/drmP.h
View File

@ -548,6 +548,7 @@ typedef struct drm_mm_node {
int free;
unsigned long start;
unsigned long size;
struct drm_mm *mm;
void *private;
} drm_mm_node_t;
@ -1344,7 +1345,7 @@ extern void drm_sysfs_device_remove(struct class_device *class_dev);
extern drm_mm_node_t * drm_mm_get_block(drm_mm_node_t * parent, unsigned long size,
unsigned alignment);
extern void drm_mm_put_block(drm_mm_t *mm, drm_mm_node_t *cur);
extern void drm_mm_put_block(drm_mm_node_t *cur);
extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
unsigned alignment, int best_match);
extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size);

39
linux-core/drm_bo.c
View File

@ -126,10 +126,10 @@ static void drm_bo_add_to_lru(drm_buffer_object_t *buf,
* bo locked.
*/
static int drm_move_tt_to_local(drm_buffer_object_t * buf, int evict)
static int drm_move_tt_to_local(drm_buffer_object_t * buf, int evict,
int force_no_move)
{
drm_device_t *dev = buf->dev;
drm_buffer_manager_t *bm = &dev->bm;
int ret;
if (buf->node_ttm) {
@ -146,8 +146,11 @@ static int drm_move_tt_to_local(drm_buffer_object_t * buf, int evict)
return ret;
}
drm_mm_put_block(&bm->manager[DRM_BO_MEM_TT], buf->node_ttm);
if (!(buf->flags & DRM_BO_FLAG_NO_MOVE) ||
force_no_move) {
drm_mm_put_block(buf->node_ttm);
buf->node_ttm = NULL;
}
mutex_unlock(&dev->struct_mutex);
}
@ -223,13 +226,11 @@ static void drm_bo_destroy_locked(drm_device_t * dev, drm_buffer_object_t * bo)
}
if (bo->node_ttm) {
drm_mm_put_block(&bm->manager[DRM_BO_MEM_TT],
bo->node_ttm);
drm_mm_put_block(bo->node_ttm);
bo->node_ttm = NULL;
}
if (bo->node_card) {
drm_mm_put_block(&bm->manager[DRM_BO_MEM_VRAM],
bo->node_card);
drm_mm_put_block(bo->node_card);
bo->node_card = NULL;
}
if (bo->ttm_object) {
@ -484,7 +485,7 @@ static int drm_bo_wait(drm_buffer_object_t * bo, int lazy, int ignore_signals,
*/
static int drm_bo_evict(drm_buffer_object_t * bo, unsigned mem_type,
int no_wait)
int no_wait, int force_no_move)
{
int ret = 0;
drm_device_t *dev = bo->dev;
@ -509,7 +510,7 @@ static int drm_bo_evict(drm_buffer_object_t * bo, unsigned mem_type,
}
if (mem_type == DRM_BO_MEM_TT) {
ret = drm_move_tt_to_local(bo, 1);
ret = drm_move_tt_to_local(bo, 1, force_no_move);
if (ret)
goto out;
mutex_lock(&dev->struct_mutex);
@ -565,7 +566,8 @@ int drm_bo_alloc_space(drm_buffer_object_t * buf, unsigned mem_type,
atomic_inc(&bo->usage);
mutex_unlock(&dev->struct_mutex);
mutex_lock(&bo->mutex);
ret = drm_bo_evict(bo, mem_type, no_wait);
BUG_ON(bo->flags & DRM_BO_FLAG_NO_MOVE);
ret = drm_bo_evict(bo, mem_type, no_wait, 0);
mutex_unlock(&bo->mutex);
drm_bo_usage_deref_unlocked(dev, bo);
if (ret)
@ -596,22 +598,23 @@ int drm_bo_alloc_space(drm_buffer_object_t * buf, unsigned mem_type,
static int drm_move_local_to_tt(drm_buffer_object_t * bo, int no_wait)
{
drm_device_t *dev = bo->dev;
drm_buffer_manager_t *bm = &dev->bm;
drm_ttm_backend_t *be;
int ret;
if (!(bo->node_ttm && (bo->flags & DRM_BO_FLAG_NO_MOVE))) {
BUG_ON(bo->node_ttm);
ret = drm_bo_alloc_space(bo, 1, no_wait);
ret = drm_bo_alloc_space(bo, DRM_BO_MEM_TT, no_wait);
if (ret)
return ret;
}
DRM_DEBUG("Flipping in to AGP 0x%08lx\n", bo->node_ttm->start);
mutex_lock(&dev->struct_mutex);
ret = drm_bind_ttm(bo->ttm, bo->flags & DRM_BO_FLAG_BIND_CACHED,
bo->node_ttm->start);
if (ret) {
drm_mm_put_block(&bm->manager[DRM_BO_MEM_TT], bo->node_ttm);
drm_mm_put_block(bo->node_ttm);
bo->node_ttm = NULL;
}
mutex_unlock(&dev->struct_mutex);
@ -824,11 +827,11 @@ static int drm_bo_read_cached(drm_buffer_object_t * bo)
BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED);
if (bo->node_card)
ret = drm_bo_evict(bo, DRM_BO_MEM_VRAM, 1);
ret = drm_bo_evict(bo, DRM_BO_MEM_VRAM, 1, 0);
if (ret)
return ret;
if (bo->node_ttm)
ret = drm_bo_evict(bo, DRM_BO_MEM_TT, 1);
ret = drm_bo_evict(bo, DRM_BO_MEM_TT, 1, 0);
return ret;
}
@ -1115,7 +1118,7 @@ static int drm_bo_move_buffer(drm_buffer_object_t * bo, uint32_t new_flags,
if (ret)
return ret;
} else {
drm_move_tt_to_local(bo, 0);
drm_move_tt_to_local(bo, 0, 1);
}
return 0;
@ -1625,7 +1628,7 @@ static void drm_bo_force_list_clean(drm_device_t *dev,
entry->fence = NULL;
}
}
ret = drm_bo_evict(entry, mem_type, 0);
ret = drm_bo_evict(entry, mem_type, 0, 1);
if (ret) {
DRM_ERROR("Aargh. Eviction failed.\n");
}

5
linux-core/drm_mm.c
View File

@ -70,6 +70,7 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
child->free = 0;
child->size = size;
child->start = parent->start;
child->mm = parent->mm;
list_add_tail(&child->ml_entry, &parent->ml_entry);
parent->size -= size;
@ -83,9 +84,10 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
* Otherwise add to the free stack.
*/
void drm_mm_put_block(drm_mm_t * mm, drm_mm_node_t * cur)
void drm_mm_put_block(drm_mm_node_t * cur)
{
drm_mm_t *mm = cur->mm;
drm_mm_node_t *list_root = &mm->root_node;
struct list_head *cur_head = &cur->ml_entry;
struct list_head *root_head = &list_root->ml_entry;
@ -183,6 +185,7 @@ int drm_mm_init(drm_mm_t * mm, unsigned long start, unsigned long size)
child->start = start;
child->size = size;
child->free = 1;
child->mm = mm;
list_add(&child->fl_entry, &mm->root_node.fl_entry);
list_add(&child->ml_entry, &mm->root_node.ml_entry);

3
linux-core/drm_sman.c
View File

@ -101,10 +101,9 @@ static void *drm_sman_mm_allocate(void *private, unsigned long size,
static void drm_sman_mm_free(void *private, void *ref)
{
drm_mm_t *mm = (drm_mm_t *) private;
drm_mm_node_t *node = (drm_mm_node_t *) ref;
drm_mm_put_block(mm, node);
drm_mm_put_block(node);
}
static void drm_sman_mm_destroy(void *private)

2
linux-core/drm_ttm.c
View File

@ -393,7 +393,7 @@ static void drm_ttm_object_remove(drm_device_t * dev, drm_ttm_object_t * object)
drm_ht_remove_item(&dev->map_hash, &list->hash);
if (list->file_offset_node) {
drm_mm_put_block(&dev->offset_manager, list->file_offset_node);
drm_mm_put_block(list->file_offset_node);
list->file_offset_node = NULL;
}