Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 307256
b: refs/heads/master
c: a651c55
h: refs/heads/master
v: v3
  • Loading branch information
Christian König authored and Dave Airlie committed May 9, 2012
1 parent a8bdec3 commit 5fd8916
Show file tree
Hide file tree
Showing 3 changed files with 8 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: dd8bea2111ab80ecb640183d00c383e03554509d
refs/heads/master: a651c55a0b489a9d5900354d487ebe34d84eec2c
1 change: 1 addition & 0 deletions trunk/drivers/gpu/drm/radeon/radeon.h
Original file line number Diff line number Diff line change
Expand Up @@ -381,6 +381,7 @@ struct radeon_bo_list {
* alignment).
*/
struct radeon_sa_manager {
spinlock_t lock;
struct radeon_bo *bo;
struct list_head sa_bo;
unsigned size;
Expand Down
6 changes: 6 additions & 0 deletions trunk/drivers/gpu/drm/radeon/radeon_sa.c
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ int radeon_sa_bo_manager_init(struct radeon_device *rdev,
{
int r;

spin_lock_init(&sa_manager->lock);
sa_manager->bo = NULL;
sa_manager->size = size;
sa_manager->domain = domain;
Expand Down Expand Up @@ -139,6 +140,7 @@ int radeon_sa_bo_new(struct radeon_device *rdev,

BUG_ON(align > RADEON_GPU_PAGE_SIZE);
BUG_ON(size > sa_manager->size);
spin_lock(&sa_manager->lock);

/* no one ? */
head = sa_manager->sa_bo.prev;
Expand Down Expand Up @@ -172,6 +174,7 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
offset += wasted;
if ((sa_manager->size - offset) < size) {
/* failed to find somethings big enough */
spin_unlock(&sa_manager->lock);
return -ENOMEM;
}

Expand All @@ -180,10 +183,13 @@ int radeon_sa_bo_new(struct radeon_device *rdev,
sa_bo->offset = offset;
sa_bo->size = size;
list_add(&sa_bo->list, head);
spin_unlock(&sa_manager->lock);
return 0;
}

void radeon_sa_bo_free(struct radeon_device *rdev, struct radeon_sa_bo *sa_bo)
{
spin_lock(&sa_bo->manager->lock);
list_del_init(&sa_bo->list);
spin_unlock(&sa_bo->manager->lock);
}

0 comments on commit 5fd8916

Please sign in to comment.