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drm/ttm: remove io_reserve_fastpath flag

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Just use the use_io_reserve_lru flag. It doesn't make much
sense to have two flags.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/378238/
This commit is contained in:
Christian König 2020-07-15 13:05:52 +02:00
parent 4b8edc39a4
commit ce74773305
4 changed files with 4 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/gpu/drm/nouveau/nouveau_bo.c
View file

@ -675,7 +675,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
}
man->func = &nouveau_vram_manager;
man->io_reserve_fastpath = false;
man->use_io_reserve_lru = true;
} else {
man->func = &ttm_bo_manager_func;

1
drivers/gpu/drm/ttm/ttm_bo.c
View file

@ -1521,7 +1521,6 @@ int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
BUG_ON(type >= TTM_NUM_MEM_TYPES);
man = &bdev->man[type];
BUG_ON(man->has_type);
man->io_reserve_fastpath = true;
man->use_io_reserve_lru = false;
mutex_init(&man->io_reserve_mutex);
spin_lock_init(&man->move_lock);

8
drivers/gpu/drm/ttm/ttm_bo_util.c
View file

@ -93,7 +93,7 @@ EXPORT_SYMBOL(ttm_bo_move_ttm);
int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible)
{
if (likely(man->io_reserve_fastpath))
if (likely(!man->use_io_reserve_lru))
return 0;
if (interruptible)
@ -105,7 +105,7 @@ int ttm_mem_io_lock(struct ttm_mem_type_manager *man, bool interruptible)
void ttm_mem_io_unlock(struct ttm_mem_type_manager *man)
{
if (likely(man->io_reserve_fastpath))
if (likely(!man->use_io_reserve_lru))
return;
mutex_unlock(&man->io_reserve_mutex);
@ -136,7 +136,7 @@ int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
if (!bdev->driver->io_mem_reserve)
return 0;
if (likely(man->io_reserve_fastpath))
if (likely(!man->use_io_reserve_lru))
return bdev->driver->io_mem_reserve(bdev, mem);
if (bdev->driver->io_mem_reserve &&
@ -157,7 +157,7 @@ void ttm_mem_io_free(struct ttm_bo_device *bdev,
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
if (likely(man->io_reserve_fastpath))
if (likely(!man->use_io_reserve_lru))
return;
if (bdev->driver->io_mem_reserve &&

2
include/drm/ttm/ttm_bo_driver.h
View file

@ -155,7 +155,6 @@ struct ttm_mem_type_manager_func {
* @use_io_reserve_lru: Use an lru list to try to unreserve io_mem_regions
* reserved by the TTM vm system.
* @io_reserve_lru: Optional lru list for unreserving io mem regions.
* @io_reserve_fastpath: Only use bdev::driver::io_mem_reserve to obtain
* @move_lock: lock for move fence
* static information. bdev::driver::io_mem_free is never used.
* @lru: The lru list for this memory type.
@ -184,7 +183,6 @@ struct ttm_mem_type_manager {
void *priv;
struct mutex io_reserve_mutex;
bool use_io_reserve_lru;
bool io_reserve_fastpath;
spinlock_t move_lock;
/*