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Diffstat (limited to 'include/drm/ttm/ttm_bo_driver.h')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h32
1 files changed, 9 insertions, 23 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 6f536caea368..cac7a8a0825a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -423,7 +423,6 @@ extern struct ttm_bo_global {
*/
struct kobject kobj;
- struct ttm_mem_global *mem_glob;
struct page *dummy_read_page;
spinlock_t lru_lock;
@@ -451,7 +450,7 @@ extern struct ttm_bo_global {
*
* @driver: Pointer to a struct ttm_bo_driver struct setup by the driver.
* @man: An array of mem_type_managers.
- * @vma_manager: Address space manager
+ * @vma_manager: Address space manager (pointer)
* lru_lock: Spinlock that protects the buffer+device lru lists and
* ddestroy lists.
* @dev_mapping: A pointer to the struct address_space representing the
@@ -467,14 +466,13 @@ struct ttm_bo_device {
* Constant after bo device init / atomic.
*/
struct list_head device_list;
- struct ttm_bo_global *glob;
struct ttm_bo_driver *driver;
struct ttm_mem_type_manager man[TTM_NUM_MEM_TYPES];
/*
* Protected by internal locks.
*/
- struct drm_vma_offset_manager vma_manager;
+ struct drm_vma_offset_manager *vma_manager;
/*
* Protected by the global:lru lock.
@@ -595,6 +593,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev);
* @glob: A pointer to an initialized struct ttm_bo_global.
* @driver: A pointer to a struct ttm_bo_driver set up by the caller.
* @mapping: The address space to use for this bo.
+ * @vma_manager: A pointer to a vma manager.
* @file_page_offset: Offset into the device address space that is available
* for buffer data. This ensures compatibility with other users of the
* address space.
@@ -606,6 +605,7 @@ int ttm_bo_device_release(struct ttm_bo_device *bdev);
int ttm_bo_device_init(struct ttm_bo_device *bdev,
struct ttm_bo_driver *driver,
struct address_space *mapping,
+ struct drm_vma_offset_manager *vma_manager,
bool need_dma32);
/**
@@ -629,9 +629,6 @@ void ttm_mem_io_free_vm(struct ttm_buffer_object *bo);
int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible);
void ttm_mem_io_unlock(struct ttm_mem_type_manager *man);
-void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
-void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
-
/**
* __ttm_bo_reserve:
*
@@ -725,15 +722,9 @@ static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
bool interruptible, bool no_wait,
struct ww_acquire_ctx *ticket)
{
- int ret;
-
WARN_ON(!kref_read(&bo->kref));
- ret = __ttm_bo_reserve(bo, interruptible, no_wait, ticket);
- if (likely(ret == 0))
- ttm_bo_del_sub_from_lru(bo);
-
- return ret;
+ return __ttm_bo_reserve(bo, interruptible, no_wait, ticket);
}
/**
@@ -760,9 +751,7 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
else
dma_resv_lock_slow(bo->base.resv, ticket);
- if (likely(ret == 0))
- ttm_bo_del_sub_from_lru(bo);
- else if (ret == -EINTR)
+ if (ret == -EINTR)
ret = -ERESTARTSYS;
return ret;
@@ -777,12 +766,9 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
*/
static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
{
- spin_lock(&bo->bdev->glob->lru_lock);
- if (list_empty(&bo->lru))
- ttm_bo_add_to_lru(bo);
- else
- ttm_bo_move_to_lru_tail(bo, NULL);
- spin_unlock(&bo->bdev->glob->lru_lock);
+ spin_lock(&ttm_bo_glob.lru_lock);
+ ttm_bo_move_to_lru_tail(bo, NULL);
+ spin_unlock(&ttm_bo_glob.lru_lock);
dma_resv_unlock(bo->base.resv);
}