diff options
Diffstat (limited to 'linux-core/drm_bo.c')
| -rw-r--r-- | linux-core/drm_bo.c | 256 |
1 files changed, 123 insertions, 133 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 43e4abb9..a79cf408 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -36,23 +36,23 @@ * The buffer usage atomic_t needs to be protected by dev->struct_mutex * when there is a chance that it can be zero before or after the operation. * - * dev->struct_mutex also protects all lists and list heads. Hash tables and hash - * heads. + * dev->struct_mutex also protects all lists and list heads, + * Hash tables and hash heads. * * bo->mutex protects the buffer object itself excluding the usage field. - * bo->mutex does also protect the buffer list heads, so to manipulate those, we need - * both the bo->mutex and the dev->struct_mutex. + * bo->mutex does also protect the buffer list heads, so to manipulate those, + * we need both the bo->mutex and the dev->struct_mutex. * - * Locking order is bo->mutex, dev->struct_mutex. Therefore list traversal is a bit - * complicated. When dev->struct_mutex is released to grab bo->mutex, the list - * traversal will, in general, need to be restarted. + * Locking order is bo->mutex, dev->struct_mutex. Therefore list traversal + * is a bit complicated. When dev->struct_mutex is released to grab bo->mutex, + * the list traversal will, in general, need to be restarted. * */ -static void drm_bo_destroy_locked(struct drm_buffer_object * bo); -static int drm_bo_setup_vm_locked(struct drm_buffer_object * bo); -static void drm_bo_takedown_vm_locked(struct drm_buffer_object * bo); -static void drm_bo_unmap_virtual(struct drm_buffer_object * bo); +static void drm_bo_destroy_locked(struct drm_buffer_object *bo); +static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo); +static void drm_bo_takedown_vm_locked(struct drm_buffer_object *bo); +static void drm_bo_unmap_virtual(struct drm_buffer_object *bo); static inline uint64_t drm_bo_type_flags(unsigned type) { @@ -63,7 +63,7 @@ static inline uint64_t drm_bo_type_flags(unsigned type) * bo locked. dev->struct_mutex locked. */ -void drm_bo_add_to_pinned_lru(struct drm_buffer_object * bo) +void drm_bo_add_to_pinned_lru(struct drm_buffer_object *bo) { struct drm_mem_type_manager *man; @@ -74,7 +74,7 @@ void drm_bo_add_to_pinned_lru(struct drm_buffer_object * bo) list_add_tail(&bo->pinned_lru, &man->pinned); } -void drm_bo_add_to_lru(struct drm_buffer_object * bo) +void drm_bo_add_to_lru(struct drm_buffer_object *bo) { struct drm_mem_type_manager *man; @@ -89,7 +89,7 @@ void drm_bo_add_to_lru(struct drm_buffer_object * bo) } } -static int drm_bo_vm_pre_move(struct drm_buffer_object * bo, int old_is_pci) +static int drm_bo_vm_pre_move(struct drm_buffer_object *bo, int old_is_pci) { #ifdef DRM_ODD_MM_COMPAT int ret; @@ -112,7 +112,7 @@ static int drm_bo_vm_pre_move(struct drm_buffer_object * bo, int old_is_pci) return 0; } -static void drm_bo_vm_post_move(struct drm_buffer_object * bo) +static void drm_bo_vm_post_move(struct drm_buffer_object *bo) { #ifdef DRM_ODD_MM_COMPAT int ret; @@ -133,7 +133,7 @@ static void drm_bo_vm_post_move(struct drm_buffer_object * bo) * Call bo->mutex locked. */ -static int drm_bo_add_ttm(struct drm_buffer_object * bo) +static int drm_bo_add_ttm(struct drm_buffer_object *bo) { struct drm_device *dev = bo->dev; int ret = 0; @@ -171,8 +171,8 @@ static int drm_bo_add_ttm(struct drm_buffer_object * bo) return ret; } -static int drm_bo_handle_move_mem(struct drm_buffer_object * bo, - struct drm_bo_mem_reg * mem, +static int drm_bo_handle_move_mem(struct drm_buffer_object *bo, + struct drm_bo_mem_reg *mem, int evict, int no_wait) { struct drm_device *dev = bo->dev; @@ -255,7 +255,7 @@ static int drm_bo_handle_move_mem(struct drm_buffer_object * bo, return 0; - out_err: +out_err: if (old_is_pci || new_is_pci) drm_bo_vm_post_move(bo); @@ -274,7 +274,7 @@ static int drm_bo_handle_move_mem(struct drm_buffer_object * bo, * Wait until the buffer is idle. */ -int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals, +int drm_bo_wait(struct drm_buffer_object *bo, int lazy, int ignore_signals, int no_wait) { int ret; @@ -286,11 +286,10 @@ int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals, drm_fence_usage_deref_unlocked(&bo->fence); return 0; } - if (no_wait) { + if (no_wait) return -EBUSY; - } - ret = - drm_fence_object_wait(bo->fence, lazy, ignore_signals, + + ret = drm_fence_object_wait(bo->fence, lazy, ignore_signals, bo->fence_type); if (ret) return ret; @@ -301,7 +300,7 @@ int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals, } EXPORT_SYMBOL(drm_bo_wait); -static int drm_bo_expire_fence(struct drm_buffer_object * bo, int allow_errors) +static int drm_bo_expire_fence(struct drm_buffer_object *bo, int allow_errors) { struct drm_device *dev = bo->dev; struct drm_buffer_manager *bm = &dev->bm; @@ -336,7 +335,7 @@ static int drm_bo_expire_fence(struct drm_buffer_object * bo, int allow_errors) * fence object and removing from lru lists and memory managers. */ -static void drm_bo_cleanup_refs(struct drm_buffer_object * bo, int remove_all) +static void drm_bo_cleanup_refs(struct drm_buffer_object *bo, int remove_all) { struct drm_device *dev = bo->dev; struct drm_buffer_manager *bm = &dev->bm; @@ -358,9 +357,8 @@ static void drm_bo_cleanup_refs(struct drm_buffer_object * bo, int remove_all) mutex_lock(&dev->struct_mutex); - if (!atomic_dec_and_test(&bo->usage)) { + if (!atomic_dec_and_test(&bo->usage)) goto out; - } if (!bo->fence) { list_del_init(&bo->lru); @@ -388,7 +386,7 @@ static void drm_bo_cleanup_refs(struct drm_buffer_object * bo, int remove_all) ((DRM_HZ / 100) < 1) ? 1 : DRM_HZ / 100); } - out: +out: mutex_unlock(&bo->mutex); return; } @@ -398,7 +396,7 @@ static void drm_bo_cleanup_refs(struct drm_buffer_object * bo, int remove_all) * to the buffer object. Then destroy it. */ -static void drm_bo_destroy_locked(struct drm_buffer_object * bo) +static void drm_bo_destroy_locked(struct drm_buffer_object *bo) { struct drm_device *dev = bo->dev; struct drm_buffer_manager *bm = &dev->bm; @@ -446,7 +444,7 @@ static void drm_bo_destroy_locked(struct drm_buffer_object * bo) * Call dev->struct_mutex locked. */ -static void drm_bo_delayed_delete(struct drm_device * dev, int remove_all) +static void drm_bo_delayed_delete(struct drm_device *dev, int remove_all) { struct drm_buffer_manager *bm = &dev->bm; @@ -465,9 +463,8 @@ static void drm_bo_delayed_delete(struct drm_device * dev, int remove_all) drm_bo_cleanup_refs(entry, remove_all); - if (nentry) { + if (nentry) atomic_dec(&nentry->usage); - } } } @@ -501,21 +498,20 @@ static void drm_bo_delayed_workqueue(struct work_struct *work) mutex_unlock(&dev->struct_mutex); } -void drm_bo_usage_deref_locked(struct drm_buffer_object ** bo) +void drm_bo_usage_deref_locked(struct drm_buffer_object **bo) { - struct drm_buffer_object *tmp_bo = *bo; + struct drm_buffer_object *tmp_bo = *bo; bo = NULL; DRM_ASSERT_LOCKED(&tmp_bo->dev->struct_mutex); - if (atomic_dec_and_test(&tmp_bo->usage)) { + if (atomic_dec_and_test(&tmp_bo->usage)) drm_bo_destroy_locked(tmp_bo); - } } EXPORT_SYMBOL(drm_bo_usage_deref_locked); -static void drm_bo_base_deref_locked(struct drm_file * file_priv, - struct drm_user_object * uo) +static void drm_bo_base_deref_locked(struct drm_file *file_priv, + struct drm_user_object *uo) { struct drm_buffer_object *bo = drm_user_object_entry(uo, struct drm_buffer_object, base); @@ -526,7 +522,7 @@ static void drm_bo_base_deref_locked(struct drm_file * file_priv, drm_bo_usage_deref_locked(&bo); } -void drm_bo_usage_deref_unlocked(struct drm_buffer_object ** bo) +void drm_bo_usage_deref_unlocked(struct drm_buffer_object **bo) { struct drm_buffer_object *tmp_bo = *bo; struct drm_device *dev = tmp_bo->dev; @@ -582,8 +578,8 @@ EXPORT_SYMBOL(drm_putback_buffer_objects); int drm_fence_buffer_objects(struct drm_device *dev, struct list_head *list, uint32_t fence_flags, - struct drm_fence_object * fence, - struct drm_fence_object ** used_fence) + struct drm_fence_object *fence, + struct drm_fence_object **used_fence) { struct drm_buffer_manager *bm = &dev->bm; struct drm_buffer_object *entry; @@ -667,7 +663,7 @@ int drm_fence_buffer_objects(struct drm_device *dev, l = list->next; } DRM_DEBUG("Fenced %d buffers\n", count); - out: +out: mutex_unlock(&dev->struct_mutex); *used_fence = fence; return ret; @@ -678,7 +674,7 @@ EXPORT_SYMBOL(drm_fence_buffer_objects); * bo->mutex locked */ -static int drm_bo_evict(struct drm_buffer_object * bo, unsigned mem_type, +static int drm_bo_evict(struct drm_buffer_object *bo, unsigned mem_type, int no_wait) { int ret = 0; @@ -686,7 +682,8 @@ static int drm_bo_evict(struct drm_buffer_object * bo, unsigned mem_type, struct drm_bo_mem_reg evict_mem; /* - * Someone might have modified the buffer before we took the buffer mutex. + * Someone might have modified the buffer before we took the + * buffer mutex. */ if (bo->priv_flags & _DRM_BO_FLAG_UNFENCED) @@ -737,7 +734,7 @@ static int drm_bo_evict(struct drm_buffer_object * bo, unsigned mem_type, DRM_FLAG_MASKED(bo->priv_flags, _DRM_BO_FLAG_EVICTED, _DRM_BO_FLAG_EVICTED); - out: +out: return ret; } @@ -745,8 +742,8 @@ static int drm_bo_evict(struct drm_buffer_object * bo, unsigned mem_type, * Repeatedly evict memory from the LRU for @mem_type until we create enough * space, or we've evicted everything and there isn't enough space. */ -static int drm_bo_mem_force_space(struct drm_device * dev, - struct drm_bo_mem_reg * mem, +static int drm_bo_mem_force_space(struct drm_device *dev, + struct drm_bo_mem_reg *mem, uint32_t mem_type, int no_wait) { struct drm_mm_node *node; @@ -794,10 +791,10 @@ static int drm_bo_mem_force_space(struct drm_device * dev, return 0; } -static int drm_bo_mt_compatible(struct drm_mem_type_manager * man, +static int drm_bo_mt_compatible(struct drm_mem_type_manager *man, int disallow_fixed, uint32_t mem_type, - uint64_t mask, uint32_t * res_mask) + uint64_t mask, uint32_t *res_mask) { uint64_t cur_flags = drm_bo_type_flags(mem_type); uint64_t flag_diff; @@ -830,7 +827,7 @@ static int drm_bo_mt_compatible(struct drm_mem_type_manager * man, if ((flag_diff & DRM_BO_FLAG_MAPPABLE) && ((mask & DRM_BO_FLAG_MAPPABLE) || - (mask & DRM_BO_FLAG_FORCE_MAPPABLE)) ) + (mask & DRM_BO_FLAG_FORCE_MAPPABLE))) return 0; *res_mask = cur_flags; @@ -845,8 +842,8 @@ static int drm_bo_mt_compatible(struct drm_mem_type_manager * man, * drm_bo_mem_force_space is attempted in priority order to evict and find * space. */ -int drm_bo_mem_space(struct drm_buffer_object * bo, - struct drm_bo_mem_reg * mem, int no_wait) +int drm_bo_mem_space(struct drm_buffer_object *bo, + struct drm_bo_mem_reg *mem, int no_wait) { struct drm_device *dev = bo->dev; struct drm_buffer_manager *bm = &dev->bm; @@ -940,31 +937,27 @@ int drm_bo_mem_space(struct drm_buffer_object * bo, ret = (has_eagain) ? -EAGAIN : -ENOMEM; return ret; } - EXPORT_SYMBOL(drm_bo_mem_space); -static int drm_bo_new_mask(struct drm_buffer_object * bo, +static int drm_bo_new_mask(struct drm_buffer_object *bo, uint64_t new_flags, uint64_t used_mask) { uint32_t new_props; if (bo->type == drm_bo_type_user && - ((used_mask & (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING)) != + ((new_flags & (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING)) != (DRM_BO_FLAG_CACHED | DRM_BO_FLAG_FORCE_CACHING))) { DRM_ERROR("User buffers require cache-coherent memory.\n"); return -EINVAL; } if ((used_mask & DRM_BO_FLAG_NO_EVICT) && !DRM_SUSER(DRM_CURPROC)) { - DRM_ERROR - ("DRM_BO_FLAG_NO_EVICT is only available to priviliged " - "processes.\n"); + DRM_ERROR("DRM_BO_FLAG_NO_EVICT is only available to priviliged processes.\n"); return -EPERM; } if ((new_flags & DRM_BO_FLAG_NO_MOVE)) { - DRM_ERROR - ("DRM_BO_FLAG_NO_MOVE is not properly implemented yet.\n"); + DRM_ERROR("DRM_BO_FLAG_NO_MOVE is not properly implemented yet.\n"); return -EPERM; } @@ -1014,7 +1007,7 @@ EXPORT_SYMBOL(drm_lookup_buffer_object); * Doesn't do any fence flushing as opposed to the drm_bo_busy function. */ -static int drm_bo_quick_busy(struct drm_buffer_object * bo) +static int drm_bo_quick_busy(struct drm_buffer_object *bo) { struct drm_fence_object *fence = bo->fence; @@ -1034,7 +1027,7 @@ static int drm_bo_quick_busy(struct drm_buffer_object * bo) * Returns 1 if the buffer is currently rendered to or from. 0 otherwise. */ -static int drm_bo_busy(struct drm_buffer_object * bo) +static int drm_bo_busy(struct drm_buffer_object *bo) { struct drm_fence_object *fence = bo->fence; @@ -1054,7 +1047,7 @@ static int drm_bo_busy(struct drm_buffer_object * bo) return 0; } -static int drm_bo_evict_cached(struct drm_buffer_object * bo) +static int drm_bo_evict_cached(struct drm_buffer_object *bo) { int ret = 0; @@ -1068,7 +1061,7 @@ static int drm_bo_evict_cached(struct drm_buffer_object * bo) * Wait until a buffer is unmapped. */ -static int drm_bo_wait_unmapped(struct drm_buffer_object * bo, int no_wait) +static int drm_bo_wait_unmapped(struct drm_buffer_object *bo, int no_wait) { int ret = 0; @@ -1084,7 +1077,7 @@ static int drm_bo_wait_unmapped(struct drm_buffer_object * bo, int no_wait) return ret; } -static int drm_bo_check_unfenced(struct drm_buffer_object * bo) +static int drm_bo_check_unfenced(struct drm_buffer_object *bo) { int ret; @@ -1099,7 +1092,7 @@ static int drm_bo_check_unfenced(struct drm_buffer_object * bo) * Until then, we cannot really do anything with it except delete it. */ -static int drm_bo_wait_unfenced(struct drm_buffer_object * bo, int no_wait, +static int drm_bo_wait_unfenced(struct drm_buffer_object *bo, int no_wait, int eagain_if_wait) { int ret = (bo->priv_flags & _DRM_BO_FLAG_UNFENCED); @@ -1132,7 +1125,7 @@ static int drm_bo_wait_unfenced(struct drm_buffer_object * bo, int no_wait, * Bo locked. */ -static void drm_bo_fill_rep_arg(struct drm_buffer_object * bo, +static void drm_bo_fill_rep_arg(struct drm_buffer_object *bo, struct drm_bo_info_rep *rep) { if (!rep) @@ -1236,7 +1229,7 @@ static int drm_buffer_object_map(struct drm_file *file_priv, uint32_t handle, } else drm_bo_fill_rep_arg(bo, rep); - out: +out: mutex_unlock(&bo->mutex); drm_bo_usage_deref_unlocked(&bo); return ret; @@ -1265,7 +1258,7 @@ static int drm_buffer_object_unmap(struct drm_file *file_priv, uint32_t handle) drm_remove_ref_object(file_priv, ro); drm_bo_usage_deref_locked(&bo); - out: +out: mutex_unlock(&dev->struct_mutex); return ret; } @@ -1275,7 +1268,7 @@ static int drm_buffer_object_unmap(struct drm_file *file_priv, uint32_t handle) */ static void drm_buffer_user_object_unmap(struct drm_file *file_priv, - struct drm_user_object * uo, + struct drm_user_object *uo, enum drm_ref_type action) { struct drm_buffer_object *bo = @@ -1297,7 +1290,7 @@ static void drm_buffer_user_object_unmap(struct drm_file *file_priv, * Note that new_mem_flags are NOT transferred to the bo->mem.mask. */ -int drm_bo_move_buffer(struct drm_buffer_object * bo, uint64_t new_mem_flags, +int drm_bo_move_buffer(struct drm_buffer_object *bo, uint64_t new_mem_flags, int no_wait, int move_unfenced) { struct drm_device *dev = bo->dev; @@ -1337,7 +1330,7 @@ int drm_bo_move_buffer(struct drm_buffer_object * bo, uint64_t new_mem_flags, ret = drm_bo_handle_move_mem(bo, &mem, 0, no_wait); - out_unlock: +out_unlock: if (ret || !move_unfenced) { mutex_lock(&dev->struct_mutex); if (mem.mm_node) { @@ -1352,7 +1345,7 @@ int drm_bo_move_buffer(struct drm_buffer_object * bo, uint64_t new_mem_flags, return ret; } -static int drm_bo_mem_compat(struct drm_bo_mem_reg * mem) +static int drm_bo_mem_compat(struct drm_bo_mem_reg *mem) { uint32_t flag_diff = (mem->mask ^ mem->flags); @@ -1360,9 +1353,9 @@ static int drm_bo_mem_compat(struct drm_bo_mem_reg * mem) return 0; if ((flag_diff & DRM_BO_FLAG_CACHED) && (/* !(mem->mask & DRM_BO_FLAG_CACHED) ||*/ - (mem->mask & DRM_BO_FLAG_FORCE_CACHING))) { - return 0; - } + (mem->mask & DRM_BO_FLAG_FORCE_CACHING))) + return 0; + if ((flag_diff & DRM_BO_FLAG_MAPPABLE) && ((mem->mask & DRM_BO_FLAG_MAPPABLE) || (mem->mask & DRM_BO_FLAG_FORCE_MAPPABLE))) @@ -1374,7 +1367,7 @@ static int drm_bo_mem_compat(struct drm_bo_mem_reg * mem) * bo locked. */ -static int drm_buffer_object_validate(struct drm_buffer_object * bo, +static int drm_buffer_object_validate(struct drm_buffer_object *bo, uint32_t fence_class, int move_unfenced, int no_wait) { @@ -1417,7 +1410,7 @@ static int drm_buffer_object_validate(struct drm_buffer_object * bo, ret = drm_bo_wait_unmapped(bo, no_wait); if (ret) { - DRM_ERROR("Timed out waiting for buffer unmap.\n"); + DRM_ERROR("Timed out waiting for buffer unmap.\n"); return ret; } @@ -1534,12 +1527,12 @@ out: EXPORT_SYMBOL(drm_bo_do_validate); -int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle, +int drm_bo_handle_validate(struct drm_file *file_priv, uint32_t handle, uint32_t fence_class, - uint64_t flags, uint64_t mask, + uint64_t flags, uint64_t mask, uint32_t hint, int use_old_fence_class, - struct drm_bo_info_rep * rep, + struct drm_bo_info_rep *rep, struct drm_buffer_object **bo_rep) { struct drm_device *dev = file_priv->head->dev; @@ -1551,7 +1544,7 @@ int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle, bo = drm_lookup_buffer_object(file_priv, handle, 1); mutex_unlock(&dev->struct_mutex); - if (!bo) + if (!bo) return -EINVAL; if (use_old_fence_class) @@ -1561,10 +1554,10 @@ int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle, * Only allow creator to change shared buffer mask. */ - if (bo->base.owner != file_priv) + if (bo->base.owner != file_priv) mask &= ~(DRM_BO_FLAG_NO_EVICT | DRM_BO_FLAG_NO_MOVE); - + ret = drm_bo_do_validate(bo, flags, mask, hint, fence_class, no_wait, rep); @@ -1587,9 +1580,9 @@ static int drm_bo_handle_info(struct drm_file *file_priv, uint32_t handle, bo = drm_lookup_buffer_object(file_priv, handle, 1); mutex_unlock(&dev->struct_mutex); - if (!bo) { + if (!bo) return -EINVAL; - } + mutex_lock(&bo->mutex); if (!(bo->priv_flags & _DRM_BO_FLAG_UNFENCED)) (void)drm_bo_busy(bo); @@ -1612,9 +1605,8 @@ static int drm_bo_handle_wait(struct drm_file *file_priv, uint32_t handle, bo = drm_lookup_buffer_object(file_priv, handle, 1); mutex_unlock(&dev->struct_mutex); - if (!bo) { + if (!bo) return -EINVAL; - } mutex_lock(&bo->mutex); ret = drm_bo_wait_unfenced(bo, no_wait, 0); @@ -1626,7 +1618,7 @@ static int drm_bo_handle_wait(struct drm_file *file_priv, uint32_t handle, drm_bo_fill_rep_arg(bo, rep); - out: +out: mutex_unlock(&bo->mutex); drm_bo_usage_deref_unlocked(&bo); return ret; @@ -1639,7 +1631,7 @@ int drm_buffer_object_create(struct drm_device *dev, uint32_t hint, uint32_t page_alignment, unsigned long buffer_start, - struct drm_buffer_object ** buf_obj) + struct drm_buffer_object **buf_obj) { struct drm_buffer_manager *bm = &dev->bm; struct drm_buffer_object *bo; @@ -1705,7 +1697,7 @@ int drm_buffer_object_create(struct drm_device *dev, *buf_obj = bo; return 0; - out_err: +out_err: mutex_unlock(&bo->mutex); drm_bo_usage_deref_unlocked(&bo); @@ -1730,7 +1722,7 @@ static int drm_bo_add_user_object(struct drm_file *file_priv, bo->base.ref_struct_locked = NULL; bo->base.unref = drm_buffer_user_object_unmap; - out: +out: mutex_unlock(&dev->struct_mutex); return ret; } @@ -1763,14 +1755,14 @@ int drm_bo_create_ioctl(struct drm_device *dev, void *data, struct drm_file *fil req->buffer_start, &entry); if (ret) goto out; - + ret = drm_bo_add_user_object(file_priv, entry, req->mask & DRM_BO_FLAG_SHAREABLE); if (ret) { drm_bo_usage_deref_unlocked(&entry); goto out; } - + mutex_lock(&entry->mutex); drm_bo_fill_rep_arg(entry, rep); mutex_unlock(&entry->mutex); @@ -1779,7 +1771,7 @@ out: return ret; } -int drm_bo_setstatus_ioctl(struct drm_device *dev, +int drm_bo_setstatus_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_bo_map_wait_idle_arg *arg = data; @@ -1860,7 +1852,7 @@ int drm_bo_reference_ioctl(struct drm_device *dev, void *data, struct drm_file * drm_buffer_type, &uo); if (ret) return ret; - + ret = drm_bo_handle_info(file_priv, req->handle, rep); if (ret) return ret; @@ -1920,7 +1912,7 @@ int drm_bo_wait_idle_ioctl(struct drm_device *dev, void *data, struct drm_file * return 0; } -static int drm_bo_leave_list(struct drm_buffer_object * bo, +static int drm_bo_leave_list(struct drm_buffer_object *bo, uint32_t mem_type, int free_pinned, int allow_errors) @@ -1966,7 +1958,7 @@ static int drm_bo_leave_list(struct drm_buffer_object * bo, } } - out: +out: mutex_unlock(&bo->mutex); return ret; } @@ -1985,7 +1977,7 @@ static struct drm_buffer_object *drm_bo_entry(struct list_head *list, * dev->struct_mutex locked. */ -static int drm_bo_force_list_clean(struct drm_device * dev, +static int drm_bo_force_list_clean(struct drm_device *dev, struct list_head *head, unsigned mem_type, int free_pinned, @@ -2050,7 +2042,7 @@ restart: return 0; } -int drm_bo_clean_mm(struct drm_device * dev, unsigned mem_type) +int drm_bo_clean_mm(struct drm_device *dev, unsigned mem_type) { struct drm_buffer_manager *bm = &dev->bm; struct drm_mem_type_manager *man = &bm->man[mem_type]; @@ -2092,7 +2084,7 @@ EXPORT_SYMBOL(drm_bo_clean_mm); *point since we have the hardware lock. */ -static int drm_bo_lock_mm(struct drm_device * dev, unsigned mem_type) +static int drm_bo_lock_mm(struct drm_device *dev, unsigned mem_type) { int ret; struct drm_buffer_manager *bm = &dev->bm; @@ -2117,7 +2109,7 @@ static int drm_bo_lock_mm(struct drm_device * dev, unsigned mem_type) return ret; } -int drm_bo_init_mm(struct drm_device * dev, +int drm_bo_init_mm(struct drm_device *dev, unsigned type, unsigned long p_offset, unsigned long p_size) { @@ -2164,11 +2156,11 @@ EXPORT_SYMBOL(drm_bo_init_mm); /* * This function is intended to be called on drm driver unload. * If you decide to call it from lastclose, you must protect the call - * from a potentially racing drm_bo_driver_init in firstopen. + * from a potentially racing drm_bo_driver_init in firstopen. * (This may happen on X server restart). */ -int drm_bo_driver_finish(struct drm_device * dev) +int drm_bo_driver_finish(struct drm_device *dev) { struct drm_buffer_manager *bm = &dev->bm; int ret = 0; @@ -2195,24 +2187,22 @@ int drm_bo_driver_finish(struct drm_device * dev) } mutex_unlock(&dev->struct_mutex); - if (!cancel_delayed_work(&bm->wq)) { + if (!cancel_delayed_work(&bm->wq)) flush_scheduled_work(); - } + mutex_lock(&dev->struct_mutex); drm_bo_delayed_delete(dev, 1); - if (list_empty(&bm->ddestroy)) { + if (list_empty(&bm->ddestroy)) DRM_DEBUG("Delayed destroy list was clean\n"); - } - if (list_empty(&bm->man[0].lru)) { + + if (list_empty(&bm->man[0].lru)) DRM_DEBUG("Swap list was clean\n"); - } - if (list_empty(&bm->man[0].pinned)) { + + if (list_empty(&bm->man[0].pinned)) DRM_DEBUG("NO_MOVE list was clean\n"); - } - if (list_empty(&bm->unfenced)) { + + if (list_empty(&bm->unfenced)) DRM_DEBUG("Unfenced list was clean\n"); - } - out: #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)) unlock_page(bm->dummy_read_page); @@ -2220,6 +2210,8 @@ int drm_bo_driver_finish(struct drm_device * dev) ClearPageReserved(bm->dummy_read_page); #endif __free_page(bm->dummy_read_page); + +out: mutex_unlock(&dev->struct_mutex); return ret; } @@ -2228,11 +2220,11 @@ EXPORT_SYMBOL(drm_bo_driver_finish); /* * This function is intended to be called on drm driver load. * If you decide to call it from firstopen, you must protect the call - * from a potentially racing drm_bo_driver_finish in lastclose. + * from a potentially racing drm_bo_driver_finish in lastclose. * (This may happen on X server restart). */ -int drm_bo_driver_init(struct drm_device * dev) +int drm_bo_driver_init(struct drm_device *dev) { struct drm_bo_driver *driver = dev->driver->bo_driver; struct drm_buffer_manager *bm = &dev->bm; @@ -2275,11 +2267,10 @@ int drm_bo_driver_init(struct drm_device * dev) bm->cur_pages = 0; INIT_LIST_HEAD(&bm->unfenced); INIT_LIST_HEAD(&bm->ddestroy); - out_unlock: +out_unlock: mutex_unlock(&dev->struct_mutex); return ret; } - EXPORT_SYMBOL(drm_bo_driver_init); int drm_mm_init_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -2389,13 +2380,13 @@ int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_ DRM_ERROR("Lock flag DRM_BO_LOCK_IGNORE_NO_EVICT not supported yet.\n"); return -EINVAL; } - + if (arg->lock_flags & DRM_BO_LOCK_UNLOCK_BM) { ret = drm_bo_write_lock(&dev->bm.bm_lock, file_priv); if (ret) return ret; } - + mutex_lock(&dev->struct_mutex); ret = drm_bo_lock_mm(dev, arg->mem_type); mutex_unlock(&dev->struct_mutex); @@ -2407,8 +2398,8 @@ int drm_mm_lock_ioctl(struct drm_device *dev, void *data, struct drm_file *file_ return 0; } -int drm_mm_unlock_ioctl(struct drm_device *dev, - void *data, +int drm_mm_unlock_ioctl(struct drm_device *dev, + void *data, struct drm_file *file_priv) { struct drm_mm_type_arg *arg = data; @@ -2425,7 +2416,7 @@ int drm_mm_unlock_ioctl(struct drm_device *dev, if (ret) return ret; } - + return 0; } @@ -2433,7 +2424,7 @@ int drm_mm_unlock_ioctl(struct drm_device *dev, * buffer object vm functions. */ -int drm_mem_reg_is_pci(struct drm_device * dev, struct drm_bo_mem_reg * mem) +int drm_mem_reg_is_pci(struct drm_device *dev, struct drm_bo_mem_reg *mem) { struct drm_buffer_manager *bm = &dev->bm; struct drm_mem_type_manager *man = &bm->man[mem->mem_type]; @@ -2450,7 +2441,6 @@ int drm_mem_reg_is_pci(struct drm_device * dev, struct drm_bo_mem_reg * mem) } return 1; } - EXPORT_SYMBOL(drm_mem_reg_is_pci); /** @@ -2496,7 +2486,7 @@ int drm_bo_pci_offset(struct drm_device *dev, * Call bo->mutex locked. */ -void drm_bo_unmap_virtual(struct drm_buffer_object * bo) +void drm_bo_unmap_virtual(struct drm_buffer_object *bo) { struct drm_device *dev = bo->dev; loff_t offset = ((loff_t) bo->map_list.hash.key) << PAGE_SHIFT; @@ -2508,9 +2498,9 @@ void drm_bo_unmap_virtual(struct drm_buffer_object * bo) unmap_mapping_range(dev->dev_mapping, offset, holelen, 1); } -static void drm_bo_takedown_vm_locked(struct drm_buffer_object * bo) +static void drm_bo_takedown_vm_locked(struct drm_buffer_object *bo) { - struct drm_map_list *list; + struct drm_map_list *list; drm_local_map_t *map; struct drm_device *dev = bo->dev; @@ -2538,7 +2528,7 @@ static void drm_bo_takedown_vm_locked(struct drm_buffer_object * bo) drm_bo_usage_deref_locked(&bo); } -static int drm_bo_setup_vm_locked(struct drm_buffer_object * bo) +static int drm_bo_setup_vm_locked(struct drm_buffer_object *bo) { struct drm_map_list *list = &bo->map_list; drm_local_map_t *map; @@ -2579,11 +2569,11 @@ static int drm_bo_setup_vm_locked(struct drm_buffer_object * bo) return 0; } -int drm_bo_version_ioctl(struct drm_device *dev, void *data, +int drm_bo_version_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_bo_version_arg *arg = (struct drm_bo_version_arg *)data; - + arg->major = DRM_BO_INIT_MAJOR; arg->minor = DRM_BO_INIT_MINOR; arg->patchlevel = DRM_BO_INIT_PATCH; |