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authorBen Skeggs <bskeggs@redhat.com>2009-12-11 00:13:00 -0500
committerDave Airlie <airlied@redhat.com>2009-12-11 00:14:36 -0500
commitd1ede145cea25c5b6d2ebb19b167af14e374bb45 (patch)
tree221e7b912000645dc7775e32bb08a85fad8997b9
parent9062fa6612958f35f41379425bcae9c9b4ccd68e (diff)
drm/ttm: export some functions useful to drivers using ttm
These are functions required by nouveau which will be merged later. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index fae5c158351..1fbb2eea5e8 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -185,6 +185,7 @@ int ttm_bo_wait_unreserved(struct ttm_buffer_object *bo, bool interruptible)
185 } 185 }
186 return 0; 186 return 0;
187} 187}
188EXPORT_SYMBOL(ttm_bo_wait_unreserved);
188 189
189static void ttm_bo_add_to_lru(struct ttm_buffer_object *bo) 190static void ttm_bo_add_to_lru(struct ttm_buffer_object *bo)
190{ 191{
@@ -946,6 +947,7 @@ int ttm_bo_wait_cpu(struct ttm_buffer_object *bo, bool no_wait)
946 return wait_event_interruptible(bo->event_queue, 947 return wait_event_interruptible(bo->event_queue,
947 atomic_read(&bo->cpu_writers) == 0); 948 atomic_read(&bo->cpu_writers) == 0);
948} 949}
950EXPORT_SYMBOL(ttm_bo_wait_cpu);
949 951
950int ttm_bo_move_buffer(struct ttm_buffer_object *bo, 952int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
951 struct ttm_placement *placement, 953 struct ttm_placement *placement,
@@ -1727,12 +1729,14 @@ int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait)
1727 ttm_bo_unreserve(bo); 1729 ttm_bo_unreserve(bo);
1728 return ret; 1730 return ret;
1729} 1731}
1732EXPORT_SYMBOL(ttm_bo_synccpu_write_grab);
1730 1733
1731void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo) 1734void ttm_bo_synccpu_write_release(struct ttm_buffer_object *bo)
1732{ 1735{
1733 if (atomic_dec_and_test(&bo->cpu_writers)) 1736 if (atomic_dec_and_test(&bo->cpu_writers))
1734 wake_up_all(&bo->event_queue); 1737 wake_up_all(&bo->event_queue);
1735} 1738}
1739EXPORT_SYMBOL(ttm_bo_synccpu_write_release);
1736 1740
1737/** 1741/**
1738 * A buffer object shrink method that tries to swap out the first 1742 * A buffer object shrink method that tries to swap out the first