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Fix buffer object map wait error. 

Add some branch prediction hints.
main
Thomas Hellstrom 2008-04-14 13:52:33 +02:00
parent c5955c6523
commit 1ad1bd5bd9
1 changed files with 5 additions and 2 deletions
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7
linux-core/drm_bo.c
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@ -1225,11 +1225,13 @@ static int drm_buffer_object_map(struct drm_file *file_priv, uint32_t handle,
bo->priv_flags &= ~_DRM_BO_FLAG_UNLOCKED;
ret = drm_bo_wait(bo, 0, 1, no_wait, 1);
if (unlikely(ret))
goto out;
if (bo->mem.flags & DRM_BO_FLAG_CACHED_MAPPED)
drm_bo_evict_cached(bo);
} while (bo->priv_flags & _DRM_BO_FLAG_UNLOCKED);
} while (unlikely(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED));
atomic_inc(&bo->mapped);
mutex_lock(&dev->struct_mutex);
@ -1242,6 +1244,7 @@ static int drm_buffer_object_map(struct drm_file *file_priv, uint32_t handle,
} else
drm_bo_fill_rep_arg(bo, rep);
out:
mutex_unlock(&bo->mutex);
drm_bo_usage_deref_unlocked(&bo);
@ -1610,7 +1613,7 @@ int drm_bo_do_validate(struct drm_buffer_object *bo,
if (ret)
goto out;
} while(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED);
} while(unlikely(bo->priv_flags & _DRM_BO_FLAG_UNLOCKED));
ret = drm_buffer_object_validate(bo,
fence_class,