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drm/ttm: add ttm_bo_is_reserved

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Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Maarten Lankhorst
2012-10-12 16:58:36 +02:00
committed by Dave Airlie
parent c4a56750ec
commit a9dbfff1cb
2 changed files with 20 additions and 6 deletions
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12
drivers/gpu/drm/ttm/ttm_bo.c
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@@ -162,9 +162,9 @@ int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo, bool interruptible)
{
if (interruptible) {
return wait_event_interruptible(bo->event_queue,
atomic_read(&bo->reserved) == 0);
!ttm_bo_is_reserved(bo));
} else {
wait_event(bo->event_queue, atomic_read(&bo->reserved) == 0);
wait_event(bo->event_queue, !ttm_bo_is_reserved(bo));
return 0;
}
}
@@ -175,7 +175,7 @@ void ttm_bo_add_to_lru(struct ttm_buffer_object *bo)
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_mem_type_manager *man;
BUG_ON(!atomic_read(&bo->reserved));
BUG_ON(!ttm_bo_is_reserved(bo));
if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) {
@@ -756,7 +756,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
goto out;
}
BUG_ON(!atomic_read(&bo->reserved));
BUG_ON(!ttm_bo_is_reserved(bo));
evict_mem = bo->mem;
evict_mem.mm_node = NULL;
@@ -1073,7 +1073,7 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
struct ttm_mem_reg mem;
struct ttm_bo_device *bdev = bo->bdev;
BUG_ON(!atomic_read(&bo->reserved));
BUG_ON(!ttm_bo_is_reserved(bo));
/*
* FIXME: It's possible to pipeline buffer moves.
@@ -1130,7 +1130,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
{
int ret;
BUG_ON(!atomic_read(&bo->reserved));
BUG_ON(!ttm_bo_is_reserved(bo));
/* Check that range is valid */
if (placement->lpfn || placement->fpfn)
if (placement->fpfn > placement->lpfn ||