diff options
Diffstat (limited to 'linux-core')
46 files changed, 680 insertions, 723 deletions
diff --git a/linux-core/Makefile b/linux-core/Makefile index af29bd6a..1758777c 100644 --- a/linux-core/Makefile +++ b/linux-core/Makefile @@ -283,6 +283,7 @@ CONFIG_DRM_SAVAGE := n CONFIG_DRM_VIA := n CONFIG_DRM_MACH64 := n CONFIG_DRM_NV := n +CONFIG_DRM_NOUVEAU := n # Enable module builds for the modules requested/supported. diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index 6f5b021b..be2641c8 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -21,12 +21,14 @@ i810-objs := i810_drv.o i810_dma.o i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \ i915_buffer.o nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \ - nouveau_object.o nouveau_irq.o \ + nouveau_object.o nouveau_irq.o nouveau_notifier.o \ nv04_timer.o \ - nv04_mc.o nv40_mc.o \ + nv04_mc.o nv40_mc.o nv50_mc.o \ nv04_fb.o nv10_fb.o nv40_fb.o \ + nv04_fifo.o nv10_fifo.o nv40_fifo.o nv50_fifo.o \ nv04_graph.o nv10_graph.o nv20_graph.o nv30_graph.o \ - nv40_graph.o + nv40_graph.o nv50_graph.o \ + nv04_instmem.o nv50_instmem.o radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o r300_cmdbuf.o sis-objs := sis_drv.o sis_mm.o ffb-objs := ffb_drv.o ffb_context.o diff --git a/linux-core/ati_pcigart.c b/linux-core/ati_pcigart.c index 52bf8922..524618a8 100644 --- a/linux-core/ati_pcigart.c +++ b/linux-core/ati_pcigart.c @@ -151,7 +151,8 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info) if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) { DRM_DEBUG("PCI: no table in VRAM: using normal RAM\n"); - order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE); + order = drm_order((gart_info->table_size + + (PAGE_SIZE-1)) / PAGE_SIZE); num_pages = 1 << order; address = drm_ati_alloc_pcigart_table(order); if (!address) { @@ -169,7 +170,8 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info) PCI_DMA_TODEVICE); if (bus_address == 0) { DRM_ERROR("unable to map PCIGART pages!\n"); - order = drm_order((gart_info->table_size + (PAGE_SIZE-1)) / PAGE_SIZE); + order = drm_order((gart_info->table_size + + (PAGE_SIZE-1)) / PAGE_SIZE); drm_ati_free_pcigart_table(address, order); address = NULL; goto done; diff --git a/linux-core/drmP.h b/linux-core/drmP.h index a3f9ca86..c274f1fa 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -76,6 +76,7 @@ #include <asm/pgalloc.h> #include "drm.h" #include <linux/slab.h> +#include <linux/idr.h> #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) @@ -300,19 +301,14 @@ typedef struct drm_devstate { } drm_devstate_t; typedef struct drm_magic_entry { - drm_hash_item_t hash_item; struct list_head head; + drm_hash_item_t hash_item; struct drm_file *priv; } drm_magic_entry_t; -typedef struct drm_magic_head { - struct drm_magic_entry *head; - struct drm_magic_entry *tail; -} drm_magic_head_t; - typedef struct drm_vma_entry { + struct list_head head; struct vm_area_struct *vma; - struct drm_vma_entry *next; pid_t pid; } drm_vma_entry_t; @@ -411,8 +407,7 @@ typedef struct drm_file { uid_t uid; drm_magic_t magic; unsigned long ioctl_count; - struct drm_file *next; - struct drm_file *prev; + struct list_head lhead; struct drm_head *head; int remove_auth_on_close; unsigned long lock_count; @@ -493,8 +488,7 @@ typedef struct drm_agp_mem { DRM_AGP_MEM *memory; unsigned long bound; /**< address */ int pages; - struct drm_agp_mem *prev; /**< previous entry */ - struct drm_agp_mem *next; /**< next entry */ + struct list_head head; } drm_agp_mem_t; /** @@ -504,7 +498,7 @@ typedef struct drm_agp_mem { */ typedef struct drm_agp_head { DRM_AGP_KERN agp_info; /**< AGP device information */ - drm_agp_mem_t *memory; /**< memory entries */ + struct list_head memory; unsigned long mode; /**< AGP mode */ #if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,11) struct agp_bridge_data *bridge; @@ -600,7 +594,6 @@ typedef struct ati_pcigart_info { int table_size; } drm_ati_pcigart_info; - #include "drm_objects.h" /** @@ -726,15 +719,14 @@ typedef struct drm_device { /** \name Authentication */ /*@{ */ - drm_file_t *file_first; /**< file list head */ - drm_file_t *file_last; /**< file list tail */ + struct list_head filelist; drm_open_hash_t magiclist; struct list_head magicfree; /*@} */ /** \name Memory management */ /*@{ */ - drm_map_list_t *maplist; /**< Linked list of regions */ + struct list_head maplist; /**< Linked list of regions */ int map_count; /**< Number of mappable regions */ drm_open_hash_t map_hash; /**< User token hash table for maps */ drm_mm_t offset_manager; /**< User token manager */ @@ -744,14 +736,13 @@ typedef struct drm_device { /** \name Context handle management */ /*@{ */ - drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ + struct list_head ctxlist; /**< Linked list of context handles */ int ctx_count; /**< Number of context handles */ struct mutex ctxlist_mutex; /**< For ctxlist */ - drm_map_t **context_sareas; /**< per-context SAREA's */ - int max_context; + struct idr ctx_idr; - drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ + struct list_head vmalist; /**< List of vmas (for debugging) */ drm_lock_data_t lock; /**< Information on hardware lock */ /*@} */ @@ -787,8 +778,8 @@ typedef struct drm_device { atomic_t vbl_received; atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ spinlock_t vbl_lock; - drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ - drm_vbl_sig_t vbl_sigs2; /**< signals to send on secondary VBLANK */ + struct list_head vbl_sigs; /**< signal list to send on VBLANK */ + struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ unsigned int vbl_pending; spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ void (*locked_tasklet_func)(struct drm_device *dev); @@ -810,7 +801,6 @@ typedef struct drm_device { struct pci_controller *hose; #endif drm_sg_mem_t *sg; /**< Scatter gather memory */ - unsigned long *ctx_bitmap; /**< context bitmap */ void *dev_private; /**< device private data */ drm_sigdata_t sigdata; /**< For block_all_signals */ sigset_t sigmask; @@ -826,10 +816,7 @@ typedef struct drm_device { /** \name Drawable information */ /*@{ */ spinlock_t drw_lock; - unsigned int drw_bitfield_length; - u32 *drw_bitfield; - unsigned int drw_info_length; - drm_drawable_info_t **drw_info; + struct idr drw_idr; /*@} */ } drm_device_t; @@ -1007,6 +994,7 @@ extern int drm_update_drawable_info(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id); +extern void drm_drawable_free_all(drm_device_t *dev); /* Authentication IOCTL support (drm_auth.h) */ extern int drm_getmagic(struct inode *inode, struct file *filp, @@ -1129,9 +1117,7 @@ extern struct drm_sysfs_class *drm_class; extern struct proc_dir_entry *drm_proc_root; extern drm_local_map_t *drm_getsarea(struct drm_device *dev); -extern int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue, - int timeout, int (*fn)(drm_device_t *dev, void *priv), - void *priv); + /* Proc support (drm_proc.h) */ extern int drm_proc_init(drm_device_t * dev, int minor, @@ -1143,8 +1129,9 @@ extern int drm_proc_cleanup(int minor, /* Scatter Gather Support (drm_scatter.h) */ extern void drm_sg_cleanup(drm_sg_mem_t * entry); -extern int drm_sg_alloc(struct inode *inode, struct file *filp, +extern int drm_sg_alloc_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); +extern int drm_sg_alloc(drm_device_t *dev, drm_scatter_gather_t * request); extern int drm_sg_free(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); @@ -1194,7 +1181,7 @@ static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned int token) { drm_map_list_t *_entry; - list_for_each_entry(_entry, &dev->maplist->head, head) + list_for_each_entry(_entry, &dev->maplist, head) if (_entry->user_token == token) return _entry->map; return NULL; diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c index 7d8f0737..f134563a 100644 --- a/linux-core/drm_agpsupport.c +++ b/linux-core/drm_agpsupport.c @@ -249,11 +249,7 @@ int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request) entry->memory = memory; entry->bound = 0; entry->pages = pages; - entry->prev = NULL; - entry->next = dev->agp->memory; - if (dev->agp->memory) - dev->agp->memory->prev = entry; - dev->agp->memory = entry; + list_add(&entry->head, &dev->agp->memory); request->handle = entry->handle; request->physical = memory->physical; @@ -280,10 +276,12 @@ int drm_agp_alloc_ioctl(struct inode *inode, struct file *filp, return err; if (copy_to_user(argp, &request, sizeof(request))) { - drm_agp_mem_t *entry = dev->agp->memory; - - dev->agp->memory = entry->next; - dev->agp->memory->prev = NULL; + drm_agp_mem_t *entry; + list_for_each_entry(entry, &dev->agp->memory, head) { + if (entry->handle == request.handle) + break; + } + list_del(&entry->head); drm_free_agp(entry->memory, entry->pages); drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); return -EFAULT; @@ -306,7 +304,7 @@ static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t * dev, { drm_agp_mem_t *entry; - for (entry = dev->agp->memory; entry; entry = entry->next) { + list_for_each_entry(entry, &dev->agp->memory, head) { if (entry->handle == handle) return entry; } @@ -435,13 +433,7 @@ int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request) if (entry->bound) drm_unbind_agp(entry->memory); - if (entry->prev) - entry->prev->next = entry->next; - else - dev->agp->memory = entry->next; - - if (entry->next) - entry->next->prev = entry->prev; + list_del(&entry->head); drm_free_agp(entry->memory, entry->pages); drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); @@ -502,7 +494,7 @@ drm_agp_head_t *drm_agp_init(drm_device_t *dev) drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); return NULL; } - head->memory = NULL; + INIT_LIST_HEAD(&head->memory); head->cant_use_aperture = head->agp_info.cant_use_aperture; head->page_mask = head->agp_info.page_mask; return head; diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index a1a27d1e..2ce3dbca 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -67,6 +67,9 @@ void drm_bo_add_to_pinned_lru(drm_buffer_object_t * bo) { drm_mem_type_manager_t *man; + DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); + DRM_ASSERT_LOCKED(&bo->mutex); + man = &bo->dev->bm.man[bo->pinned_mem_type]; list_add_tail(&bo->pinned_lru, &man->pinned); } @@ -75,6 +78,8 @@ void drm_bo_add_to_lru(drm_buffer_object_t * bo) { drm_mem_type_manager_t *man; + DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); + if (!(bo->mem.mask & (DRM_BO_FLAG_NO_MOVE | DRM_BO_FLAG_NO_EVICT)) || bo->mem.mem_type != bo->pinned_mem_type) { man = &bo->dev->bm.man[bo->mem.mem_type]; @@ -134,6 +139,8 @@ static int drm_bo_add_ttm(drm_buffer_object_t * bo) int ret = 0; bo->ttm = NULL; + DRM_ASSERT_LOCKED(&bo->mutex); + switch (bo->type) { case drm_bo_type_dc: bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT); @@ -262,29 +269,25 @@ static int drm_bo_handle_move_mem(drm_buffer_object_t * bo, int drm_bo_wait(drm_buffer_object_t * bo, int lazy, int ignore_signals, int no_wait) { - - drm_fence_object_t *fence = bo->fence; int ret; - if (fence) { - drm_device_t *dev = bo->dev; - if (drm_fence_object_signaled(fence, bo->fence_type)) { - drm_fence_usage_deref_unlocked(dev, fence); - bo->fence = NULL; + DRM_ASSERT_LOCKED(&bo->mutex); + + if (bo->fence) { + if (drm_fence_object_signaled(bo->fence, bo->fence_type, 0)) { + drm_fence_usage_deref_unlocked(&bo->fence); return 0; } if (no_wait) { return -EBUSY; } ret = - drm_fence_object_wait(dev, fence, lazy, ignore_signals, + drm_fence_object_wait(bo->fence, lazy, ignore_signals, bo->fence_type); if (ret) return ret; - drm_fence_usage_deref_unlocked(dev, fence); - bo->fence = NULL; - + drm_fence_usage_deref_unlocked(&bo->fence); } return 0; } @@ -312,10 +315,8 @@ static int drm_bo_expire_fence(drm_buffer_object_t * bo, int allow_errors) "Evicting buffer.\n"); } } - if (bo->fence) { - drm_fence_usage_deref_unlocked(dev, bo->fence); - bo->fence = NULL; - } + if (bo->fence) + drm_fence_usage_deref_unlocked(&bo->fence); } return 0; } @@ -331,16 +332,17 @@ static void drm_bo_cleanup_refs(drm_buffer_object_t * bo, int remove_all) drm_device_t *dev = bo->dev; drm_buffer_manager_t *bm = &dev->bm; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + atomic_inc(&bo->usage); mutex_unlock(&dev->struct_mutex); mutex_lock(&bo->mutex); DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); - if (bo->fence && drm_fence_object_signaled(bo->fence, bo->fence_type)) { - drm_fence_usage_deref_locked(dev, bo->fence); - bo->fence = NULL; - } + if (bo->fence && drm_fence_object_signaled(bo->fence, + bo->fence_type, 0)) + drm_fence_usage_deref_unlocked(&bo->fence); if (bo->fence && remove_all) (void)drm_bo_expire_fence(bo, 0); @@ -371,7 +373,7 @@ static void drm_bo_cleanup_refs(drm_buffer_object_t * bo, int remove_all) } if (list_empty(&bo->ddestroy)) { - drm_fence_object_flush(dev, bo->fence, bo->fence_type); + drm_fence_object_flush(bo->fence, bo->fence_type); list_add_tail(&bo->ddestroy, &bm->ddestroy); schedule_delayed_work(&bm->wq, ((DRM_HZ / 100) < 1) ? 1 : DRM_HZ / 100); @@ -392,6 +394,8 @@ static void drm_bo_destroy_locked(drm_buffer_object_t * bo) drm_device_t *dev = bo->dev; drm_buffer_manager_t *bm = &dev->bm; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + if (list_empty(&bo->lru) && bo->mem.mm_node == NULL && list_empty(&bo->pinned_lru) && bo->pinned_node == NULL && list_empty(&bo->ddestroy) && atomic_read(&bo->usage) == 0) { @@ -414,6 +418,7 @@ static void drm_bo_destroy_locked(drm_buffer_object_t * bo) atomic_dec(&bm->count); + BUG_ON(!list_empty(&bo->base.list)); drm_ctl_free(bo, sizeof(*bo), DRM_MEM_BUFOBJ); return; @@ -488,10 +493,15 @@ static void drm_bo_delayed_workqueue(struct work_struct *work) mutex_unlock(&dev->struct_mutex); } -void drm_bo_usage_deref_locked(drm_buffer_object_t * bo) +void drm_bo_usage_deref_locked(drm_buffer_object_t ** bo) { - if (atomic_dec_and_test(&bo->usage)) { - drm_bo_destroy_locked(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)) { + drm_bo_destroy_locked(tmp_bo); } } @@ -500,18 +510,22 @@ static void drm_bo_base_deref_locked(drm_file_t * priv, drm_user_object_t * uo) drm_buffer_object_t *bo = drm_user_object_entry(uo, drm_buffer_object_t, base); + DRM_ASSERT_LOCKED(&bo->dev->struct_mutex); + drm_bo_takedown_vm_locked(bo); - drm_bo_usage_deref_locked(bo); + drm_bo_usage_deref_locked(&bo); } -static void drm_bo_usage_deref_unlocked(drm_buffer_object_t * bo) +static void drm_bo_usage_deref_unlocked(drm_buffer_object_t ** bo) { - drm_device_t *dev = bo->dev; + struct drm_buffer_object *tmp_bo = *bo; + drm_device_t *dev = tmp_bo->dev; - if (atomic_dec_and_test(&bo->usage)) { + *bo = NULL; + if (atomic_dec_and_test(&tmp_bo->usage)) { mutex_lock(&dev->struct_mutex); - if (atomic_read(&bo->usage) == 0) - drm_bo_destroy_locked(bo); + if (atomic_read(&tmp_bo->usage) == 0) + drm_bo_destroy_locked(tmp_bo); mutex_unlock(&dev->struct_mutex); } } @@ -597,18 +611,17 @@ int drm_fence_buffer_objects(drm_file_t * priv, if (entry->priv_flags & _DRM_BO_FLAG_UNFENCED) { count++; if (entry->fence) - drm_fence_usage_deref_locked(dev, entry->fence); - entry->fence = fence; + drm_fence_usage_deref_locked(&entry->fence); + entry->fence = drm_fence_reference_locked(fence); DRM_FLAG_MASKED(entry->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); DRM_WAKEUP(&entry->event_queue); drm_bo_add_to_lru(entry); } mutex_unlock(&entry->mutex); - drm_bo_usage_deref_locked(entry); + drm_bo_usage_deref_locked(&entry); l = f_list.next; } - atomic_add(count, &fence->usage); DRM_DEBUG("Fenced %d buffers\n", count); out: mutex_unlock(&dev->struct_mutex); @@ -723,7 +736,7 @@ static int drm_bo_mem_force_space(drm_device_t * dev, ret = drm_bo_evict(entry, mem_type, no_wait); mutex_unlock(&entry->mutex); - drm_bo_usage_deref_unlocked(entry); + drm_bo_usage_deref_unlocked(&entry); if (ret) return ret; mutex_lock(&dev->struct_mutex); @@ -943,10 +956,8 @@ static int drm_bo_quick_busy(drm_buffer_object_t * bo) BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED); if (fence) { - drm_device_t *dev = bo->dev; - if (drm_fence_object_signaled(fence, bo->fence_type)) { - drm_fence_usage_deref_unlocked(dev, fence); - bo->fence = NULL; + if (drm_fence_object_signaled(fence, bo->fence_type, 0)) { + drm_fence_usage_deref_unlocked(&bo->fence); return 0; } return 1; @@ -965,16 +976,13 @@ static int drm_bo_busy(drm_buffer_object_t * bo) BUG_ON(bo->priv_flags & _DRM_BO_FLAG_UNFENCED); if (fence) { - drm_device_t *dev = bo->dev; - if (drm_fence_object_signaled(fence, bo->fence_type)) { - drm_fence_usage_deref_unlocked(dev, fence); - bo->fence = NULL; + if (drm_fence_object_signaled(fence, bo->fence_type, 0)) { + drm_fence_usage_deref_unlocked(&bo->fence); return 0; } - drm_fence_object_flush(dev, fence, DRM_FENCE_TYPE_EXE); - if (drm_fence_object_signaled(fence, bo->fence_type)) { - drm_fence_usage_deref_unlocked(dev, fence); - bo->fence = NULL; + drm_fence_object_flush(fence, DRM_FENCE_TYPE_EXE); + if (drm_fence_object_signaled(fence, bo->fence_type, 0)) { + drm_fence_usage_deref_unlocked(&bo->fence); return 0; } return 1; @@ -1171,7 +1179,7 @@ static int drm_buffer_object_map(drm_file_t * priv, uint32_t handle, drm_bo_fill_rep_arg(bo, rep); out: mutex_unlock(&bo->mutex); - drm_bo_usage_deref_unlocked(bo); + drm_bo_usage_deref_unlocked(&bo); return ret; } @@ -1197,7 +1205,7 @@ static int drm_buffer_object_unmap(drm_file_t * priv, uint32_t handle) } drm_remove_ref_object(priv, ro); - drm_bo_usage_deref_locked(bo); + drm_bo_usage_deref_locked(&bo); out: mutex_unlock(&dev->struct_mutex); return ret; @@ -1487,11 +1495,14 @@ static int drm_bo_handle_validate(drm_file_t * priv, uint64_t flags, uint64_t mask, uint32_t hint, struct drm_bo_info_rep *rep) { + struct drm_device *dev = priv->head->dev; drm_buffer_object_t *bo; int ret; int no_wait = hint & DRM_BO_HINT_DONT_BLOCK; + mutex_lock(&dev->struct_mutex); bo = drm_lookup_buffer_object(priv, handle, 1); + mutex_unlock(&dev->struct_mutex); if (!bo) { return -EINVAL; } @@ -1517,16 +1528,20 @@ static int drm_bo_handle_validate(drm_file_t * priv, mutex_unlock(&bo->mutex); - drm_bo_usage_deref_unlocked(bo); + drm_bo_usage_deref_unlocked(&bo); return ret; } static int drm_bo_handle_info(drm_file_t *priv, uint32_t handle, struct drm_bo_info_rep *rep) { + struct drm_device *dev = priv->head->dev; drm_buffer_object_t *bo; + mutex_lock(&dev->struct_mutex); bo = drm_lookup_buffer_object(priv, handle, 1); + mutex_unlock(&dev->struct_mutex); + if (!bo) { return -EINVAL; } @@ -1535,7 +1550,7 @@ static int drm_bo_handle_info(drm_file_t *priv, uint32_t handle, (void)drm_bo_busy(bo); drm_bo_fill_rep_arg(bo, rep); mutex_unlock(&bo->mutex); - drm_bo_usage_deref_unlocked(bo); + drm_bo_usage_deref_unlocked(&bo); return 0; } @@ -1543,11 +1558,15 @@ static int drm_bo_handle_wait(drm_file_t *priv, uint32_t handle, uint32_t hint, struct drm_bo_info_rep *rep) { + struct drm_device *dev = priv->head->dev; drm_buffer_object_t *bo; int no_wait = hint & DRM_BO_HINT_DONT_BLOCK; int ret; + mutex_lock(&dev->struct_mutex); bo = drm_lookup_buffer_object(priv, handle, 1); + mutex_unlock(&dev->struct_mutex); + if (!bo) { return -EINVAL; } @@ -1564,7 +1583,7 @@ static int drm_bo_handle_wait(drm_file_t *priv, uint32_t handle, out: mutex_unlock(&bo->mutex); - drm_bo_usage_deref_unlocked(bo); + drm_bo_usage_deref_unlocked(&bo); return ret; } @@ -1649,7 +1668,7 @@ int drm_buffer_object_create(drm_device_t *dev, out_err: mutex_unlock(&bo->mutex); - drm_bo_usage_deref_unlocked(bo); + drm_bo_usage_deref_unlocked(&bo); return ret; } @@ -1774,7 +1793,7 @@ int drm_bo_create_ioctl(DRM_IOCTL_ARGS) ret = drm_bo_add_user_object(priv, entry, req->mask & DRM_BO_FLAG_SHAREABLE); if (ret) { - drm_bo_usage_deref_unlocked(entry); + drm_bo_usage_deref_unlocked(&entry); goto out; } @@ -2090,7 +2109,7 @@ restart: allow_errors); mutex_lock(&dev->struct_mutex); - drm_bo_usage_deref_locked(entry); + drm_bo_usage_deref_locked(&entry); if (ret) return ret; @@ -2100,10 +2119,8 @@ restart: do_restart = ((next->prev != list) && (next->prev != prev)); - if (nentry != NULL && do_restart) { - drm_bo_usage_deref_locked(nentry); - nentry = NULL; - } + if (nentry != NULL && do_restart) + drm_bo_usage_deref_locked(&nentry); if (do_restart) goto restart; @@ -2556,6 +2573,7 @@ static void drm_bo_takedown_vm_locked(drm_buffer_object_t * bo) drm_local_map_t *map; drm_device_t *dev = bo->dev; + DRM_ASSERT_LOCKED(&dev->struct_mutex); if (list->user_token) { drm_ht_remove_item(&dev->map_hash, &list->hash); list->user_token = 0; @@ -2572,7 +2590,7 @@ static void drm_bo_takedown_vm_locked(drm_buffer_object_t * bo) drm_ctl_free(map, sizeof(*map), DRM_MEM_BUFOBJ); list->map = NULL; list->user_token = 0ULL; - drm_bo_usage_deref_locked(bo); + drm_bo_usage_deref_locked(&bo); } static int drm_bo_setup_vm_locked(drm_buffer_object_t * bo) @@ -2581,6 +2599,7 @@ static int drm_bo_setup_vm_locked(drm_buffer_object_t * bo) drm_local_map_t *map; drm_device_t *dev = bo->dev; + DRM_ASSERT_LOCKED(&dev->struct_mutex); list->map = drm_ctl_calloc(1, sizeof(*map), DRM_MEM_BUFOBJ); if (!list->map) return -ENOMEM; diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c index 4f752065..8ef2a8ff 100644 --- a/linux-core/drm_bo_move.c +++ b/linux-core/drm_bo_move.c @@ -306,7 +306,7 @@ int drm_buffer_object_transfer(drm_buffer_object_t * bo, INIT_LIST_HEAD(&fbo->p_mm_list); #endif - atomic_inc(&bo->fence->usage); + drm_fence_reference_unlocked(&fbo->fence, bo->fence); fbo->pinned_node = NULL; fbo->mem.mm_node->private = (void *)fbo; atomic_set(&fbo->usage, 1); @@ -339,7 +339,7 @@ int drm_bo_move_accel_cleanup(drm_buffer_object_t * bo, drm_buffer_object_t *old_obj; if (bo->fence) - drm_fence_usage_deref_unlocked(dev, bo->fence); + drm_fence_usage_deref_unlocked(&bo->fence); ret = drm_fence_object_create(dev, fence_class, fence_type, fence_flags | DRM_FENCE_FLAG_EMIT, &bo->fence); @@ -396,7 +396,7 @@ int drm_bo_move_accel_cleanup(drm_buffer_object_t * bo, DRM_FLAG_MASKED(bo->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); drm_bo_add_to_lru(old_obj); - drm_bo_usage_deref_locked(old_obj); + drm_bo_usage_deref_locked(&old_obj); mutex_unlock(&dev->struct_mutex); } diff --git a/linux-core/drm_bufs.c b/linux-core/drm_bufs.c index 8793ba0e..a2c8a75e 100644 --- a/linux-core/drm_bufs.c +++ b/linux-core/drm_bufs.c @@ -51,10 +51,8 @@ EXPORT_SYMBOL(drm_get_resource_len); static drm_map_list_t *drm_find_matching_map(drm_device_t *dev, drm_local_map_t *map) { - struct list_head *list; - - list_for_each(list, &dev->maplist->head) { - drm_map_list_t *entry = list_entry(list, drm_map_list_t, head); + drm_map_list_t *entry; + list_for_each_entry(entry, &dev->maplist, head) { if (entry->map && map->type == entry->map->type && ((entry->map->offset == map->offset) || (map->type == _DRM_SHM && map->flags==_DRM_CONTAINS_LOCK))) { @@ -237,14 +235,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, * skipped and we double check that dev->agp->memory is * actually set as well as being invalid before EPERM'ing */ - for (entry = dev->agp->memory; entry; entry = entry->next) { + list_for_each_entry(entry, &dev->agp->memory, head) { if ((map->offset >= entry->bound) && (map->offset + map->size <= entry->bound + entry->pages * PAGE_SIZE)) { valid = 1; break; } } - if (dev->agp->memory && !valid) { + if (!list_empty(&dev->agp->memory) && !valid) { drm_free(map, sizeof(*map), DRM_MEM_MAPS); return -EPERM; } @@ -288,7 +286,7 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset, list->map = map; mutex_lock(&dev->struct_mutex); - list_add(&list->head, &dev->maplist->head); + list_add(&list->head, &dev->maplist); /* Assign a 32-bit handle */ @@ -380,29 +378,28 @@ int drm_addmap_ioctl(struct inode *inode, struct file *filp, */ int drm_rmmap_locked(drm_device_t *dev, drm_local_map_t *map) { - struct list_head *list; - drm_map_list_t *r_list = NULL; + drm_map_list_t *r_list = NULL, *list_t; drm_dma_handle_t dmah; + int found = 0; /* Find the list entry for the map and remove it */ - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); - + list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) { if (r_list->map == map) { - list_del(list); + list_del(&r_list->head); drm_ht_remove_key(&dev->map_hash, r_list->user_token >> PAGE_SHIFT); - drm_free(list, sizeof(*list), DRM_MEM_MAPS); + drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS); + found = 1; break; } } + if (!found) { + return -EINVAL; + } /* List has wrapped around to the head pointer, or it's empty and we * didn't find anything. */ - if (list == (&dev->maplist->head)) { - return -EINVAL; - } switch (map->type) { case _DRM_REGISTERS: @@ -464,7 +461,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, drm_device_t *dev = priv->head->dev; drm_map_t request; drm_local_map_t *map = NULL; - struct list_head *list; + drm_map_list_t *r_list; int ret; if (copy_from_user(&request, (drm_map_t __user *) arg, sizeof(request))) { @@ -472,9 +469,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, } mutex_lock(&dev->struct_mutex); - list_for_each(list, &dev->maplist->head) { - drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); - + list_for_each_entry(r_list, &dev->maplist, head) { if (r_list->map && r_list->user_token == (unsigned long)request.handle && r_list->map->flags & _DRM_REMOVABLE) { @@ -486,7 +481,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, /* List has wrapped around to the head pointer, or its empty we didn't * find anything. */ - if (list == (&dev->maplist->head)) { + if (list_empty(&dev->maplist) || !map) { mutex_unlock(&dev->struct_mutex); return -EINVAL; } @@ -610,14 +605,14 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request) /* Make sure buffers are located in AGP memory that we own */ valid = 0; - for (agp_entry = dev->agp->memory; agp_entry; agp_entry = agp_entry->next) { + list_for_each_entry(agp_entry, &dev->agp->memory, head) { if ((agp_offset >= agp_entry->bound) && (agp_offset + total * count <= agp_entry->bound + agp_entry->pages * PAGE_SIZE)) { valid = 1; break; } } - if (dev->agp->memory && !valid) { + if (!list_empty(&dev->agp->memory) && !valid) { DRM_DEBUG("zone invalid\n"); return -EINVAL; } diff --git a/linux-core/drm_compat.c b/linux-core/drm_compat.c index d47b92e5..5d1d62fa 100644 --- a/linux-core/drm_compat.c +++ b/linux-core/drm_compat.c @@ -556,3 +556,126 @@ void drm_bo_finish_unmap(drm_buffer_object_t *bo) #endif +#ifdef DRM_IDR_COMPAT_FN +/* only called when idp->lock is held */ +static void __free_layer(struct idr *idp, struct idr_layer *p) +{ + p->ary[0] = idp->id_free; + idp->id_free = p; + idp->id_free_cnt++; +} + +static void free_layer(struct idr *idp, struct idr_layer *p) +{ + unsigned long flags; + + /* + * Depends on the return element being zeroed. + */ + spin_lock_irqsave(&idp->lock, flags); + __free_layer(idp, p); + spin_unlock_irqrestore(&idp->lock, flags); +} + +/** + * idr_for_each - iterate through all stored pointers + * @idp: idr handle + * @fn: function to be called for each pointer + * @data: data passed back to callback function + * + * Iterate over the pointers registered with the given idr. The + * callback function will be called for each pointer currently + * registered, passing the id, the pointer and the data pointer passed + * to this function. It is not safe to modify the idr tree while in + * the callback, so functions such as idr_get_new and idr_remove are + * not allowed. + * + * We check the return of @fn each time. If it returns anything other + * than 0, we break out and return that value. + * +* The caller must serialize idr_find() vs idr_get_new() and idr_remove(). + */ +int idr_for_each(struct idr *idp, + int (*fn)(int id, void *p, void *data), void *data) +{ + int n, id, max, error = 0; + struct idr_layer *p; + struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer **paa = &pa[0]; + + n = idp->layers * IDR_BITS; + p = idp->top; + max = 1 << n; + + id = 0; + while (id < max) { + while (n > 0 && p) { + n -= IDR_BITS; + *paa++ = p; + p = p->ary[(id >> n) & IDR_MASK]; + } + + if (p) { + error = fn(id, (void *)p, data); + if (error) + break; + } + + id += 1 << n; + while (n < fls(id)) { + n += IDR_BITS; + p = *--paa; + } + } + + return error; +} +EXPORT_SYMBOL(idr_for_each); + +/** + * idr_remove_all - remove all ids from the given idr tree + * @idp: idr handle + * + * idr_destroy() only frees up unused, cached idp_layers, but this + * function will remove all id mappings and leave all idp_layers + * unused. + * + * A typical clean-up sequence for objects stored in an idr tree, will + * use idr_for_each() to free all objects, if necessay, then + * idr_remove_all() to remove all ids, and idr_destroy() to free + * up the cached idr_layers. + */ +void idr_remove_all(struct idr *idp) +{ + int n, id, max, error = 0; + struct idr_layer *p; + struct idr_layer *pa[MAX_LEVEL]; + struct idr_layer **paa = &pa[0]; + + n = idp->layers * IDR_BITS; + p = idp->top; + max = 1 << n; + + id = 0; + while (id < max && !error) { + while (n > IDR_BITS && p) { + n -= IDR_BITS; + *paa++ = p; + p = p->ary[(id >> n) & IDR_MASK]; + } + + id += 1 << n; + while (n < fls(id)) { + if (p) { + memset(p, 0, sizeof *p); + free_layer(idp, p); + } + n += IDR_BITS; + p = *--paa; + } + } + idp->top = NULL; + idp->layers = 0; +} +EXPORT_SYMBOL(idr_remove_all); +#endif diff --git a/linux-core/drm_compat.h b/linux-core/drm_compat.h index bc5fadc5..024059ac 100644 --- a/linux-core/drm_compat.h +++ b/linux-core/drm_compat.h @@ -305,4 +305,13 @@ extern int drm_bo_remap_bound(struct drm_buffer_object *bo); extern int drm_bo_map_bound(struct vm_area_struct *vma); #endif + +/* fixme when functions are upstreamed */ +#define DRM_IDR_COMPAT_FN +#ifdef DRM_IDR_COMPAT_FN +int idr_for_each(struct idr *idp, + int (*fn)(int id, void *p, void *data), void *data); +void idr_remove_all(struct idr *idp); +#endif + #endif diff --git a/linux-core/drm_context.c b/linux-core/drm_context.c index 49042272..195c7fb5 100644 --- a/linux-core/drm_context.c +++ b/linux-core/drm_context.c @@ -53,26 +53,14 @@ * \param ctx_handle context handle. * * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry - * in drm_device::context_sareas, while holding the drm_device::struct_mutex + * in drm_device::ctx_idr, while holding the drm_device::struct_mutex * lock. */ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle) { - if (ctx_handle < 0) - goto failed; - if (!dev->ctx_bitmap) - goto failed; - - if (ctx_handle < DRM_MAX_CTXBITMAP) { - mutex_lock(&dev->struct_mutex); - clear_bit(ctx_handle, dev->ctx_bitmap); - dev->context_sareas[ctx_handle] = NULL; - mutex_unlock(&dev->struct_mutex); - return; - } - failed: - DRM_ERROR("Attempt to free invalid context handle: %d\n", ctx_handle); - return; + mutex_lock(&dev->struct_mutex); + idr_remove(&dev->ctx_idr, ctx_handle); + mutex_unlock(&dev->struct_mutex); } /** @@ -81,62 +69,29 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle) * \param dev DRM device. * \return (non-negative) context handle on success or a negative number on failure. * - * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates - * drm_device::context_sareas to accommodate the new entry while holding the + * Allocate a new idr from drm_device::ctx_idr while holding the * drm_device::struct_mutex lock. */ static int drm_ctxbitmap_next(drm_device_t * dev) { - int bit; - - if (!dev->ctx_bitmap) - return -1; + int new_id; + int ret; +again: + if (idr_pre_get(&dev->ctx_idr, GFP_KERNEL) == 0) { + DRM_ERROR("Out of memory expanding drawable idr\n"); + return -ENOMEM; + } mutex_lock(&dev->struct_mutex); - bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP); - if (bit < DRM_MAX_CTXBITMAP) { - set_bit(bit, dev->ctx_bitmap); - DRM_DEBUG("drm_ctxbitmap_next bit : %d\n", bit); - if ((bit + 1) > dev->max_context) { - dev->max_context = (bit + 1); - if (dev->context_sareas) { - drm_map_t **ctx_sareas; - - ctx_sareas = drm_realloc(dev->context_sareas, - (dev->max_context - - 1) * - sizeof(*dev-> - context_sareas), - dev->max_context * - sizeof(*dev-> - context_sareas), - DRM_MEM_MAPS); - if (!ctx_sareas) { - clear_bit(bit, dev->ctx_bitmap); - mutex_unlock(&dev->struct_mutex); - return -1; - } - dev->context_sareas = ctx_sareas; - dev->context_sareas[bit] = NULL; - } else { - /* max_context == 1 at this point */ - dev->context_sareas = - drm_alloc(dev->max_context * - sizeof(*dev->context_sareas), - DRM_MEM_MAPS); - if (!dev->context_sareas) { - clear_bit(bit, dev->ctx_bitmap); - mutex_unlock(&dev->struct_mutex); - return -1; - } - dev->context_sareas[bit] = NULL; - } - } + ret = idr_get_new_above(&dev->ctx_idr, NULL, + DRM_RESERVED_CONTEXTS, &new_id); + if (ret == -EAGAIN) { mutex_unlock(&dev->struct_mutex); - return bit; + goto again; } + mutex_unlock(&dev->struct_mutex); - return -1; + return new_id; } /** @@ -144,31 +99,11 @@ static int drm_ctxbitmap_next(drm_device_t * dev) * * \param dev DRM device. * - * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_mutex lock. + * Initialise the drm_device::ctx_idr */ int drm_ctxbitmap_init(drm_device_t * dev) { - int i; - int temp; - - mutex_lock(&dev->struct_mutex); - dev->ctx_bitmap = (unsigned long *)drm_alloc(PAGE_SIZE, - DRM_MEM_CTXBITMAP); - if (dev->ctx_bitmap == NULL) { - mutex_unlock(&dev->struct_mutex); - return -ENOMEM; - } - memset((void *)dev->ctx_bitmap, 0, PAGE_SIZE); - dev->context_sareas = NULL; - dev->max_context = -1; - mutex_unlock(&dev->struct_mutex); - - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { - temp = drm_ctxbitmap_next(dev); - DRM_DEBUG("drm_ctxbitmap_init : %d\n", temp); - } - + idr_init(&dev->ctx_idr); return 0; } @@ -177,17 +112,13 @@ int drm_ctxbitmap_init(drm_device_t * dev) * * \param dev DRM device. * - * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding - * the drm_device::struct_mutex lock. + * Free all idr members using drm_ctx_sarea_free helper function + * while holding the drm_device::struct_mutex lock. */ void drm_ctxbitmap_cleanup(drm_device_t * dev) { mutex_lock(&dev->struct_mutex); - if (dev->context_sareas) - drm_free(dev->context_sareas, - sizeof(*dev->context_sareas) * - dev->max_context, DRM_MEM_MAPS); - drm_free((void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP); + idr_remove_all(&dev->ctx_idr); mutex_unlock(&dev->struct_mutex); } @@ -206,7 +137,7 @@ void drm_ctxbitmap_cleanup(drm_device_t * dev) * \param arg user argument pointing to a drm_ctx_priv_map structure. * \return zero on success or a negative number on failure. * - * Gets the map from drm_device::context_sareas with the handle specified and + * Gets the map from drm_device::ctx_idr with the handle specified and * returns its handle. */ int drm_getsareactx(struct inode *inode, struct file *filp, @@ -223,17 +154,17 @@ int drm_getsareactx(struct inode *inode, struct file *filp, return -EFAULT; mutex_lock(&dev->struct_mutex); - if (dev->max_context < 0 - || request.ctx_id >= (unsigned)dev->max_context) { + + map = idr_find(&dev->ctx_idr, request.ctx_id); + if (!map) { mutex_unlock(&dev->struct_mutex); return -EINVAL; } - map = dev->context_sareas[request.ctx_id]; mutex_unlock(&dev->struct_mutex); request.handle = NULL; - list_for_each_entry(_entry, &dev->maplist->head,head) { + list_for_each_entry(_entry, &dev->maplist, head) { if (_entry->map == map) { request.handle = (void *)(unsigned long)_entry->user_token; @@ -258,7 +189,7 @@ int drm_getsareactx(struct inode *inode, struct file *filp, * \return zero on success or a negative number on failure. * * Searches the mapping specified in \p arg and update the entry in - * drm_device::context_sareas with it. + * drm_device::ctx_idr with it. */ int drm_setsareactx(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) @@ -268,15 +199,13 @@ int drm_setsareactx(struct inode *inode, struct file *filp, drm_ctx_priv_map_t request; drm_map_t *map = NULL; drm_map_list_t *r_list = NULL; - struct list_head *list; if (copy_from_user(&request, (drm_ctx_priv_map_t __user *) arg, sizeof(request))) return -EFAULT; mutex_lock(&dev->struct_mutex); - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); + list_for_each_entry(r_list, &dev->maplist, head) { if (r_list->map && r_list->user_token == (unsigned long) request.handle) goto found; @@ -289,12 +218,12 @@ int drm_setsareactx(struct inode *inode, struct file *filp, map = r_list->map; if (!map) goto bad; - if (dev->max_context < 0) - goto bad; - if (request.ctx_id >= (unsigned)dev->max_context) + + if (IS_ERR(idr_replace(&dev->ctx_idr, map, request.ctx_id))) goto bad; - dev->context_sareas[request.ctx_id] = map; + mutex_unlock(&dev->struct_mutex); + return 0; } @@ -449,7 +378,7 @@ int drm_addctx(struct inode *inode, struct file *filp, ctx_entry->tag = priv; mutex_lock(&dev->ctxlist_mutex); - list_add(&ctx_entry->head, &dev->ctxlist->head); + list_add(&ctx_entry->head, &dev->ctxlist); ++dev->ctx_count; mutex_unlock(&dev->ctxlist_mutex); @@ -575,10 +504,10 @@ int drm_rmctx(struct inode *inode, struct file *filp, } mutex_lock(&dev->ctxlist_mutex); - if (!list_empty(&dev->ctxlist->head)) { + if (!list_empty(&dev->ctxlist)) { drm_ctx_list_t *pos, *n; - list_for_each_entry_safe(pos, n, &dev->ctxlist->head, head) { + list_for_each_entry_safe(pos, n, &dev->ctxlist, head) { if (pos->handle == ctx.handle) { list_del(&pos->head); drm_free(pos, sizeof(*pos), DRM_MEM_CTXLIST); diff --git a/linux-core/drm_drawable.c b/linux-core/drm_drawable.c index 0817e321..7129980b 100644 --- a/linux-core/drm_drawable.c +++ b/linux-core/drm_drawable.c @@ -44,82 +44,29 @@ int drm_adddraw(DRM_IOCTL_ARGS) { DRM_DEVICE; unsigned long irqflags; - int i, j; - u32 *bitfield = dev->drw_bitfield; - unsigned int bitfield_length = dev->drw_bitfield_length; - drm_drawable_info_t **info = dev->drw_info; - unsigned int info_length = dev->drw_info_length; drm_draw_t draw; + int new_id = 0; + int ret; - for (i = 0, j = 0; i < bitfield_length; i++) { - if (bitfield[i] == ~0) - continue; - - for (; j < 8 * sizeof(*bitfield); j++) - if (!(bitfield[i] & (1 << j))) - goto done; +again: + if (idr_pre_get(&dev->drw_idr, GFP_KERNEL) == 0) { + DRM_ERROR("Out of memory expanding drawable idr\n"); + return -ENOMEM; } -done: - - if (i == bitfield_length) { - bitfield_length++; - - bitfield = drm_alloc(bitfield_length * sizeof(*bitfield), - DRM_MEM_BUFS); - - if (!bitfield) { - DRM_ERROR("Failed to allocate new drawable bitfield\n"); - return DRM_ERR(ENOMEM); - } - - if (8 * sizeof(*bitfield) * bitfield_length > info_length) { - info_length += 8 * sizeof(*bitfield); - - info = drm_alloc(info_length * sizeof(*info), - DRM_MEM_BUFS); - - if (!info) { - DRM_ERROR("Failed to allocate new drawable info" - " array\n"); - - drm_free(bitfield, - bitfield_length * sizeof(*bitfield), - DRM_MEM_BUFS); - return DRM_ERR(ENOMEM); - } - } - - bitfield[i] = 0; - } - - draw.handle = i * 8 * sizeof(*bitfield) + j + 1; - DRM_DEBUG("%d\n", draw.handle); spin_lock_irqsave(&dev->drw_lock, irqflags); - - bitfield[i] |= 1 << j; - info[draw.handle - 1] = NULL; - - if (bitfield != dev->drw_bitfield) { - memcpy(bitfield, dev->drw_bitfield, dev->drw_bitfield_length * - sizeof(*bitfield)); - drm_free(dev->drw_bitfield, sizeof(*bitfield) * - dev->drw_bitfield_length, DRM_MEM_BUFS); - dev->drw_bitfield = bitfield; - dev->drw_bitfield_length = bitfield_length; - } - - if (info != dev->drw_info) { - memcpy(info, dev->drw_info, dev->drw_info_length * - sizeof(*info)); - drm_free(dev->drw_info, sizeof(*info) * dev->drw_info_length, - DRM_MEM_BUFS); - dev->drw_info = info; - dev->drw_info_length = info_length; + ret = idr_get_new_above(&dev->drw_idr, NULL, 1, &new_id); + if (ret == -EAGAIN) { + spin_unlock_irqrestore(&dev->drw_lock, irqflags); + goto again; } spin_unlock_irqrestore(&dev->drw_lock, irqflags); + draw.handle = new_id; + + DRM_DEBUG("%d\n", draw.handle); + DRM_COPY_TO_USER_IOCTL((drm_draw_t __user *)data, draw, sizeof(draw)); return 0; @@ -132,122 +79,44 @@ int drm_rmdraw(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_draw_t draw; - int id, idx; - unsigned int shift; unsigned long irqflags; - u32 *bitfield = dev->drw_bitfield; - unsigned int bitfield_length = dev->drw_bitfield_length; - drm_drawable_info_t **info = dev->drw_info; - unsigned int info_length = dev->drw_info_length; DRM_COPY_FROM_USER_IOCTL(draw, (drm_draw_t __user *) data, sizeof(draw)); - id = draw.handle - 1; - idx = id / (8 * sizeof(*bitfield)); - shift = id % (8 * sizeof(*bitfield)); - - if (idx < 0 || idx >= bitfield_length || - !(bitfield[idx] & (1 << shift))) { - DRM_DEBUG("No such drawable %d\n", draw.handle); - return 0; - } - spin_lock_irqsave(&dev->drw_lock, irqflags); - bitfield[idx] &= ~(1 << shift); + drm_free(drm_get_drawable_info(dev, draw.handle), + sizeof(struct drm_drawable_info), DRM_MEM_BUFS); - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - - if (info[id]) { - drm_free(info[id]->rects, info[id]->num_rects * - sizeof(drm_clip_rect_t), DRM_MEM_BUFS); - drm_free(info[id], sizeof(**info), DRM_MEM_BUFS); - } - - /* Can we shrink the arrays? */ - if (idx == bitfield_length - 1) { - while (idx >= 0 && !bitfield[idx]) - --idx; - - bitfield_length = idx + 1; - - if (idx != id / (8 * sizeof(*bitfield))) - bitfield = drm_alloc(bitfield_length * - sizeof(*bitfield), DRM_MEM_BUFS); - - if (!bitfield && bitfield_length) { - bitfield = dev->drw_bitfield; - bitfield_length = dev->drw_bitfield_length; - } - } - - if (bitfield != dev->drw_bitfield) { - info_length = 8 * sizeof(*bitfield) * bitfield_length; - - info = drm_alloc(info_length * sizeof(*info), DRM_MEM_BUFS); - - if (!info && info_length) { - info = dev->drw_info; - info_length = dev->drw_info_length; - } - - spin_lock_irqsave(&dev->drw_lock, irqflags); - - memcpy(bitfield, dev->drw_bitfield, bitfield_length * - sizeof(*bitfield)); - drm_free(dev->drw_bitfield, sizeof(*bitfield) * - dev->drw_bitfield_length, DRM_MEM_BUFS); - dev->drw_bitfield = bitfield; - dev->drw_bitfield_length = bitfield_length; - - if (info != dev->drw_info) { - memcpy(info, dev->drw_info, info_length * - sizeof(*info)); - drm_free(dev->drw_info, sizeof(*info) * - dev->drw_info_length, DRM_MEM_BUFS); - dev->drw_info = info; - dev->drw_info_length = info_length; - } - - spin_unlock_irqrestore(&dev->drw_lock, irqflags); - } + idr_remove(&dev->drw_idr, draw.handle); + spin_unlock_irqrestore(&dev->drw_lock, irqflags); DRM_DEBUG("%d\n", draw.handle); return 0; } -int drm_update_drawable_info(DRM_IOCTL_ARGS) { +int drm_update_drawable_info(DRM_IOCTL_ARGS) +{ DRM_DEVICE; drm_update_draw_t update; - unsigned int id, idx, shift, bitfield_length = dev->drw_bitfield_length; - u32 *bitfield = dev->drw_bitfield; unsigned long irqflags; - drm_drawable_info_t *info; drm_clip_rect_t *rects; + struct drm_drawable_info *info; int err; DRM_COPY_FROM_USER_IOCTL(update, (drm_update_draw_t __user *) data, sizeof(update)); - id = update.handle - 1; - idx = id / (8 * sizeof(*bitfield)); - shift = id % (8 * sizeof(*bitfield)); - - if (idx < 0 || idx >= bitfield_length || - !(bitfield[idx] & (1 << shift))) { - DRM_ERROR("No such drawable %d\n", update.handle); - return DRM_ERR(EINVAL); - } - - info = dev->drw_info[id]; - + info = idr_find(&dev->drw_idr, update.handle); if (!info) { - info = drm_calloc(1, sizeof(drm_drawable_info_t), DRM_MEM_BUFS); - - if (!info) { - DRM_ERROR("Failed to allocate drawable info memory\n"); - return DRM_ERR(ENOMEM); + info = drm_calloc(1, sizeof(*info), DRM_MEM_BUFS); + if (!info) + return -ENOMEM; + if (IS_ERR(idr_replace(&dev->drw_idr, info, update.handle))) { + DRM_ERROR("No such drawable %d\n", update.handle); + drm_free(info, sizeof(*info), DRM_MEM_BUFS); + return -EINVAL; } } @@ -284,12 +153,11 @@ int drm_update_drawable_info(DRM_IOCTL_ARGS) { info->rects = rects; info->num_rects = update.num; - dev->drw_info[id] = info; spin_unlock_irqrestore(&dev->drw_lock, irqflags); DRM_DEBUG("Updated %d cliprects for drawable %d\n", - info->num_rects, id); + info->num_rects, update.handle); break; default: DRM_ERROR("Invalid update type %d\n", update.type); @@ -299,11 +167,9 @@ int drm_update_drawable_info(DRM_IOCTL_ARGS) { return 0; error: - if (!dev->drw_info[id]) - drm_free(info, sizeof(*info), DRM_MEM_BUFS); - else if (rects != dev->drw_info[id]->rects) - drm_free(rects, update.num * - sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + if (rects != info->rects) + drm_free(rects, update.num * sizeof(drm_clip_rect_t), + DRM_MEM_BUFS); return err; } @@ -311,20 +177,27 @@ error: /** * Caller must hold the drawable spinlock! */ -drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) { - u32 *bitfield = dev->drw_bitfield; - unsigned int idx, shift; - - id--; - idx = id / (8 * sizeof(*bitfield)); - shift = id % (8 * sizeof(*bitfield)); - - if (idx < 0 || idx >= dev->drw_bitfield_length || - !(bitfield[idx] & (1 << shift))) { - DRM_DEBUG("No such drawable %d\n", id); - return NULL; +drm_drawable_info_t *drm_get_drawable_info(drm_device_t *dev, drm_drawable_t id) +{ + return idr_find(&dev->drw_idr, id); +} +EXPORT_SYMBOL(drm_get_drawable_info); + +static int drm_drawable_free(int idr, void *p, void *data) +{ + struct drm_drawable_info *info = p; + + if (info) { + drm_free(info->rects, info->num_rects * + sizeof(drm_clip_rect_t), DRM_MEM_BUFS); + drm_free(info, sizeof(*info), DRM_MEM_BUFS); } - return dev->drw_info[id]; + return 0; +} + +void drm_drawable_free_all(drm_device_t *dev) +{ + idr_for_each(&dev->drw_idr, drm_drawable_free, NULL); + idr_remove_all(&dev->drw_idr); } -EXPORT_SYMBOL(drm_get_drawable_info); diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index b931ce2f..30200ca4 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -113,7 +113,7 @@ static drm_ioctl_desc_t drm_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = {drm_agp_unbind_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, #endif - [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, + [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = {drm_sg_alloc_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = {drm_sg_free, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = {drm_wait_vblank, 0}, @@ -171,8 +171,8 @@ static drm_ioctl_desc_t drm_ioctls[] = { int drm_lastclose(drm_device_t * dev) { drm_magic_entry_t *pt, *next; - drm_map_list_t *r_list; - drm_vma_entry_t *vma, *vma_next; + drm_map_list_t *r_list, *list_t; + drm_vma_entry_t *vma, *vma_temp; int i; DRM_DEBUG("\n"); @@ -197,18 +197,9 @@ int drm_lastclose(drm_device_t * dev) drm_irq_uninstall(dev); /* Free drawable information memory */ - for (i = 0; i < dev->drw_bitfield_length / sizeof(*dev->drw_bitfield); - i++) { - drm_drawable_info_t *info = drm_get_drawable_info(dev, i); - - if (info) { - drm_free(info->rects, info->num_rects * - sizeof(drm_clip_rect_t), DRM_MEM_BUFS); - drm_free(info, sizeof(*info), DRM_MEM_BUFS); - } - } - mutex_lock(&dev->struct_mutex); + + drm_drawable_free_all(dev); del_timer(&dev->timer); if (dev->unique) { @@ -229,19 +220,17 @@ int drm_lastclose(drm_device_t * dev) /* Clear AGP information */ if (drm_core_has_AGP(dev) && dev->agp) { - drm_agp_mem_t *entry; - drm_agp_mem_t *nexte; + drm_agp_mem_t *entry, *tempe; /* Remove AGP resources, but leave dev->agp intact until drv_cleanup is called. */ - for (entry = dev->agp->memory; entry; entry = nexte) { - nexte = entry->next; + list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) { if (entry->bound) drm_unbind_agp(entry->memory); drm_free_agp(entry->memory, entry->pages); drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); } - dev->agp->memory = NULL; + INIT_LIST_HEAD(&dev->agp->memory); if (dev->agp->acquired) drm_agp_release(dev); @@ -255,20 +244,14 @@ int drm_lastclose(drm_device_t * dev) } /* Clear vma list (only built for debugging) */ - if (dev->vmalist) { - for (vma = dev->vmalist; vma; vma = vma_next) { - vma_next = vma->next; - drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS); - } - dev->vmalist = NULL; + list_for_each_entry_safe(vma, vma_temp, &dev->vmalist, head) { + list_del(&vma->head); + drm_ctl_free(vma, sizeof(*vma), DRM_MEM_VMAS); } - - if (dev->maplist) { - while (!list_empty(&dev->maplist->head)) { - struct list_head *list = dev->maplist->head.next; - r_list = list_entry(list, drm_map_list_t, head); - drm_rmmap_locked(dev, r_list->map); - } + + list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) { + drm_rmmap_locked(dev, r_list->map); + r_list = NULL; } if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) { @@ -359,7 +342,7 @@ int drm_init(struct drm_driver *driver, } if (!drm_fb_loaded) - pci_register_driver(&driver->pci_driver); + return pci_register_driver(&driver->pci_driver); else { for (i = 0; pciidlist[i].vendor != 0; i++) { pid = &pciidlist[i]; @@ -403,13 +386,9 @@ static void drm_cleanup(drm_device_t * dev) drm_lastclose(dev); drm_fence_manager_takedown(dev); - if (dev->maplist) { - drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); - dev->maplist = NULL; - drm_ht_remove(&dev->map_hash); - drm_mm_takedown(&dev->offset_manager); - drm_ht_remove(&dev->object_hash); - } + drm_ht_remove(&dev->map_hash); + drm_mm_takedown(&dev->offset_manager); + drm_ht_remove(&dev->object_hash); if (!drm_fb_loaded) pci_disable_device(dev->pdev); @@ -625,7 +604,7 @@ int drm_ioctl(struct inode *inode, struct file *filp, goto err_i1; if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END) && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) - ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; + ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) ioctl = &drm_ioctls[nr]; else @@ -654,39 +633,11 @@ err_i1: } EXPORT_SYMBOL(drm_ioctl); -int drm_wait_on(drm_device_t *dev, wait_queue_head_t *queue, int timeout, - int (*fn)(drm_device_t *dev, void *priv), void *priv) -{ - DECLARE_WAITQUEUE(entry, current); - unsigned long end = jiffies + (timeout); - int ret = 0; - add_wait_queue(queue, &entry); - - for (;;) { - __set_current_state(TASK_INTERRUPTIBLE); - if ((*fn)(dev, priv)) - break; - if (time_after_eq(jiffies, end)) { - ret = -EBUSY; - break; - } - schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); - if (signal_pending(current)) { - ret = -EINTR; - break; - } - } - __set_current_state(TASK_RUNNING); - remove_wait_queue(queue, &entry); - return ret; -} -EXPORT_SYMBOL(drm_wait_on); - drm_local_map_t *drm_getsarea(struct drm_device *dev) { drm_map_list_t *entry; - list_for_each_entry(entry, &dev->maplist->head, head) { + list_for_each_entry(entry, &dev->maplist, head) { if (entry->map && entry->map->type == _DRM_SHM && (entry->map->flags & _DRM_CONTAINS_LOCK)) { return entry->map; diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c index 3d928016..b6f14249 100644 --- a/linux-core/drm_fence.c +++ b/linux-core/drm_fence.c @@ -124,52 +124,76 @@ static void drm_fence_unring(drm_device_t * dev, struct list_head *ring) write_unlock_irqrestore(&fm->lock, flags); } -void drm_fence_usage_deref_locked(drm_device_t * dev, - drm_fence_object_t * fence) +void drm_fence_usage_deref_locked(drm_fence_object_t ** fence) { + struct drm_fence_object *tmp_fence = *fence; + struct drm_device *dev = tmp_fence->dev; drm_fence_manager_t *fm = &dev->fm; - if (atomic_dec_and_test(&fence->usage)) { - drm_fence_unring(dev, &fence->ring); + DRM_ASSERT_LOCKED(&dev->struct_mutex); + *fence = NULL; + if (atomic_dec_and_test(&tmp_fence->usage)) { + drm_fence_unring(dev, &tmp_fence->ring); DRM_DEBUG("Destroyed a fence object 0x%08lx\n", - fence->base.hash.key); + tmp_fence->base.hash.key); atomic_dec(&fm->count); - drm_ctl_free(fence, sizeof(*fence), DRM_MEM_FENCE); + BUG_ON(!list_empty(&tmp_fence->base.list)); + drm_ctl_free(tmp_fence, sizeof(*tmp_fence), DRM_MEM_FENCE); } } -void drm_fence_usage_deref_unlocked(drm_device_t * dev, - drm_fence_object_t * fence) +void drm_fence_usage_deref_unlocked(drm_fence_object_t ** fence) { + struct drm_fence_object *tmp_fence = *fence; + struct drm_device *dev = tmp_fence->dev; drm_fence_manager_t *fm = &dev->fm; - if (atomic_dec_and_test(&fence->usage)) { + *fence = NULL; + if (atomic_dec_and_test(&tmp_fence->usage)) { mutex_lock(&dev->struct_mutex); - if (atomic_read(&fence->usage) == 0) { - drm_fence_unring(dev, &fence->ring); + if (atomic_read(&tmp_fence->usage) == 0) { + drm_fence_unring(dev, &tmp_fence->ring); atomic_dec(&fm->count); - drm_ctl_free(fence, sizeof(*fence), DRM_MEM_FENCE); + BUG_ON(!list_empty(&tmp_fence->base.list)); + drm_ctl_free(tmp_fence, sizeof(*tmp_fence), DRM_MEM_FENCE); } mutex_unlock(&dev->struct_mutex); } } -static void drm_fence_object_destroy(drm_file_t * priv, - drm_user_object_t * base) +struct drm_fence_object +*drm_fence_reference_locked(struct drm_fence_object *src) +{ + DRM_ASSERT_LOCKED(&src->dev->struct_mutex); + + atomic_inc(&src->usage); + return src; +} + +void drm_fence_reference_unlocked(struct drm_fence_object **dst, + struct drm_fence_object *src) +{ + mutex_lock(&src->dev->struct_mutex); + *dst = src; + atomic_inc(&src->usage); + mutex_unlock(&src->dev->struct_mutex); +} + + +static void drm_fence_object_destroy(drm_file_t *priv, drm_user_object_t * base) { - drm_device_t *dev = priv->head->dev; drm_fence_object_t *fence = drm_user_object_entry(base, drm_fence_object_t, base); - drm_fence_usage_deref_locked(dev, fence); + drm_fence_usage_deref_locked(&fence); } -static int fence_signaled(drm_device_t * dev, - drm_fence_object_t * fence, - uint32_t mask, int poke_flush) +int drm_fence_object_signaled(drm_fence_object_t * fence, + uint32_t mask, int poke_flush) { unsigned long flags; int signaled; + struct drm_device *dev = fence->dev; drm_fence_manager_t *fm = &dev->fm; drm_fence_driver_t *driver = dev->driver->fence_driver; @@ -200,16 +224,10 @@ static void drm_fence_flush_exe(drm_fence_class_manager_t * fc, } } -int drm_fence_object_signaled(drm_fence_object_t * fence, - uint32_t type) -{ - return ((fence->signaled & type) == type); -} - -int drm_fence_object_flush(drm_device_t * dev, - drm_fence_object_t * fence, +int drm_fence_object_flush(drm_fence_object_t * fence, uint32_t type) { + struct drm_device *dev = fence->dev; drm_fence_manager_t *fm = &dev->fm; drm_fence_class_manager_t *fc = &fm->class[fence->class]; drm_fence_driver_t *driver = dev->driver->fence_driver; @@ -272,24 +290,23 @@ void drm_fence_flush_old(drm_device_t * dev, uint32_t class, uint32_t sequence) mutex_unlock(&dev->struct_mutex); return; } - fence = list_entry(fc->ring.next, drm_fence_object_t, ring); - atomic_inc(&fence->usage); + fence = drm_fence_reference_locked(list_entry(fc->ring.next, drm_fence_object_t, ring)); mutex_unlock(&dev->struct_mutex); diff = (old_sequence - fence->sequence) & driver->sequence_mask; read_unlock_irqrestore(&fm->lock, flags); if (diff < driver->wrap_diff) { - drm_fence_object_flush(dev, fence, fence->type); + drm_fence_object_flush(fence, fence->type); } - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); } EXPORT_SYMBOL(drm_fence_flush_old); -static int drm_fence_lazy_wait(drm_device_t *dev, - drm_fence_object_t *fence, +static int drm_fence_lazy_wait(drm_fence_object_t *fence, int ignore_signals, uint32_t mask) { + struct drm_device *dev = fence->dev; drm_fence_manager_t *fm = &dev->fm; drm_fence_class_manager_t *fc = &fm->class[fence->class]; int signaled; @@ -298,13 +315,13 @@ static int drm_fence_lazy_wait(drm_device_t *dev, do { DRM_WAIT_ON(ret, fc->fence_queue, 3 * DRM_HZ, - (signaled = fence_signaled(dev, fence, mask, 1))); + (signaled = drm_fence_object_signaled(fence, mask, 1))); if (signaled) return 0; if (time_after_eq(jiffies, _end)) break; } while (ret == -EINTR && ignore_signals); - if (fence_signaled(dev, fence, mask, 0)) + if (drm_fence_object_signaled(fence, mask, 0)) return 0; if (time_after_eq(jiffies, _end)) ret = -EBUSY; @@ -319,10 +336,10 @@ static int drm_fence_lazy_wait(drm_device_t *dev, return 0; } -int drm_fence_object_wait(drm_device_t * dev, - drm_fence_object_t * fence, +int drm_fence_object_wait(drm_fence_object_t * fence, int lazy, int ignore_signals, uint32_t mask) { + struct drm_device *dev = fence->dev; drm_fence_driver_t *driver = dev->driver->fence_driver; int ret = 0; unsigned long _end; @@ -334,16 +351,16 @@ int drm_fence_object_wait(drm_device_t * dev, return -EINVAL; } - if (fence_signaled(dev, fence, mask, 0)) + if (drm_fence_object_signaled(fence, mask, 0)) return 0; _end = jiffies + 3 * DRM_HZ; - drm_fence_object_flush(dev, fence, mask); + drm_fence_object_flush(fence, mask); if (lazy && driver->lazy_capable) { - ret = drm_fence_lazy_wait(dev, fence, ignore_signals, mask); + ret = drm_fence_lazy_wait(fence, ignore_signals, mask); if (ret) return ret; @@ -351,7 +368,7 @@ int drm_fence_object_wait(drm_device_t * dev, if (driver->has_irq(dev, fence->class, DRM_FENCE_TYPE_EXE)) { - ret = drm_fence_lazy_wait(dev, fence, ignore_signals, + ret = drm_fence_lazy_wait(fence, ignore_signals, DRM_FENCE_TYPE_EXE); if (ret) return ret; @@ -359,13 +376,13 @@ int drm_fence_object_wait(drm_device_t * dev, if (driver->has_irq(dev, fence->class, mask & ~DRM_FENCE_TYPE_EXE)) { - ret = drm_fence_lazy_wait(dev, fence, ignore_signals, + ret = drm_fence_lazy_wait(fence, ignore_signals, mask); if (ret) return ret; } } - if (drm_fence_object_signaled(fence, mask)) + if (drm_fence_object_signaled(fence, mask, 0)) return 0; /* @@ -377,7 +394,7 @@ int drm_fence_object_wait(drm_device_t * dev, #endif do { schedule(); - signaled = fence_signaled(dev, fence, mask, 1); + signaled = drm_fence_object_signaled(fence, mask, 1); } while (!signaled && !time_after_eq(jiffies, _end)); if (!signaled) @@ -386,9 +403,10 @@ int drm_fence_object_wait(drm_device_t * dev, return 0; } -int drm_fence_object_emit(drm_device_t * dev, drm_fence_object_t * fence, +int drm_fence_object_emit(drm_fence_object_t * fence, uint32_t fence_flags, uint32_t class, uint32_t type) { + struct drm_device *dev = fence->dev; drm_fence_manager_t *fm = &dev->fm; drm_fence_driver_t *driver = dev->driver->fence_driver; drm_fence_class_manager_t *fc = &fm->class[fence->class]; @@ -432,15 +450,22 @@ static int drm_fence_object_init(drm_device_t * dev, uint32_t class, write_lock_irqsave(&fm->lock, flags); INIT_LIST_HEAD(&fence->ring); + + /* + * Avoid hitting BUG() for kernel-only fence objects. + */ + + INIT_LIST_HEAD(&fence->base.list); fence->class = class; fence->type = type; fence->flush_mask = 0; fence->submitted_flush = 0; fence->signaled = 0; fence->sequence = 0; + fence->dev = dev; write_unlock_irqrestore(&fm->lock, flags); if (fence_flags & DRM_FENCE_FLAG_EMIT) { - ret = drm_fence_object_emit(dev, fence, fence_flags, + ret = drm_fence_object_emit(fence, fence_flags, fence->class, type); } return ret; @@ -454,15 +479,16 @@ int drm_fence_add_user_object(drm_file_t * priv, drm_fence_object_t * fence, mutex_lock(&dev->struct_mutex); ret = drm_add_user_object(priv, &fence->base, shareable); - mutex_unlock(&dev->struct_mutex); if (ret) - return ret; + goto out; + atomic_inc(&fence->usage); fence->base.type = drm_fence_type; fence->base.remove = &drm_fence_object_destroy; DRM_DEBUG("Fence 0x%08lx created\n", fence->base.hash.key); - return 0; +out: + mutex_unlock(&dev->struct_mutex); + return ret; } - EXPORT_SYMBOL(drm_fence_add_user_object); int drm_fence_object_create(drm_device_t * dev, uint32_t class, uint32_t type, @@ -472,12 +498,12 @@ int drm_fence_object_create(drm_device_t * dev, uint32_t class, uint32_t type, int ret; drm_fence_manager_t *fm = &dev->fm; - fence = drm_ctl_alloc(sizeof(*fence), DRM_MEM_FENCE); + fence = drm_ctl_calloc(1, sizeof(*fence), DRM_MEM_FENCE); if (!fence) return -ENOMEM; ret = drm_fence_object_init(dev, class, type, flags, fence); if (ret) { - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); return ret; } *c_fence = fence; @@ -534,8 +560,7 @@ drm_fence_object_t *drm_lookup_fence_object(drm_file_t * priv, uint32_t handle) mutex_unlock(&dev->struct_mutex); return NULL; } - fence = drm_user_object_entry(uo, drm_fence_object_t, base); - atomic_inc(&fence->usage); + fence = drm_fence_reference_locked(drm_user_object_entry(uo, drm_fence_object_t, base)); mutex_unlock(&dev->struct_mutex); return fence; } @@ -556,7 +581,6 @@ int drm_fence_create_ioctl(DRM_IOCTL_ARGS) } DRM_COPY_FROM_USER_IOCTL(arg, (void __user *)data, sizeof(arg)); - if (arg.flags & DRM_FENCE_FLAG_EMIT) LOCK_TEST_WITH_RETURN(dev, filp); ret = drm_fence_object_create(dev, arg.class, @@ -567,7 +591,7 @@ int drm_fence_create_ioctl(DRM_IOCTL_ARGS) arg.flags & DRM_FENCE_FLAG_SHAREABLE); if (ret) { - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); return ret; } @@ -583,7 +607,7 @@ int drm_fence_create_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -644,7 +668,7 @@ int drm_fence_reference_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -694,7 +718,7 @@ int drm_fence_signaled_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -720,14 +744,14 @@ int drm_fence_flush_ioctl(DRM_IOCTL_ARGS) fence = drm_lookup_fence_object(priv, arg.handle); if (!fence) return -EINVAL; - ret = drm_fence_object_flush(dev, fence, arg.type); + ret = drm_fence_object_flush(fence, arg.type); read_lock_irqsave(&fm->lock, flags); arg.class = fence->class; arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -754,7 +778,7 @@ int drm_fence_wait_ioctl(DRM_IOCTL_ARGS) fence = drm_lookup_fence_object(priv, arg.handle); if (!fence) return -EINVAL; - ret = drm_fence_object_wait(dev, fence, + ret = drm_fence_object_wait(fence, arg.flags & DRM_FENCE_FLAG_WAIT_LAZY, 0, arg.type); @@ -763,7 +787,7 @@ int drm_fence_wait_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -791,7 +815,7 @@ int drm_fence_emit_ioctl(DRM_IOCTL_ARGS) fence = drm_lookup_fence_object(priv, arg.handle); if (!fence) return -EINVAL; - ret = drm_fence_object_emit(dev, fence, arg.flags, arg.class, + ret = drm_fence_object_emit(fence, arg.flags, arg.class, arg.type); read_lock_irqsave(&fm->lock, flags); @@ -799,7 +823,7 @@ int drm_fence_emit_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; @@ -844,7 +868,7 @@ int drm_fence_buffers_ioctl(DRM_IOCTL_ARGS) arg.type = fence->type; arg.signaled = fence->signaled; read_unlock_irqrestore(&fm->lock, flags); - drm_fence_usage_deref_unlocked(dev, fence); + drm_fence_usage_deref_unlocked(&fence); DRM_COPY_TO_USER_IOCTL((void __user *)data, arg, sizeof(arg)); return ret; diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c index d400a4d5..e54d5079 100644 --- a/linux-core/drm_fops.c +++ b/linux-core/drm_fops.c @@ -79,13 +79,6 @@ static int drm_setup(drm_device_t * dev) drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER); INIT_LIST_HEAD(&dev->magicfree); - dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), DRM_MEM_CTXLIST); - if (dev->ctxlist == NULL) - return -ENOMEM; - memset(dev->ctxlist, 0, sizeof(*dev->ctxlist)); - INIT_LIST_HEAD(&dev->ctxlist->head); - - dev->vmalist = NULL; dev->sigdata.lock = NULL; init_waitqueue_head(&dev->lock.lock_queue); dev->queue_count = 0; @@ -268,6 +261,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp, priv->authenticated = capable(CAP_SYS_ADMIN); priv->lock_count = 0; + INIT_LIST_HEAD(&priv->lhead); INIT_LIST_HEAD(&priv->user_objects); INIT_LIST_HEAD(&priv->refd_objects); @@ -291,19 +285,10 @@ static int drm_open_helper(struct inode *inode, struct file *filp, } mutex_lock(&dev->struct_mutex); - if (!dev->file_last) { - priv->next = NULL; - priv->prev = NULL; - dev->file_first = priv; - dev->file_last = priv; - /* first opener automatically becomes master */ + if (list_empty(&dev->filelist)) priv->master = 1; - } else { - priv->next = NULL; - priv->prev = dev->file_last; - dev->file_last->next = priv; - dev->file_last = priv; - } + + list_add(&priv->lhead, &dev->filelist); mutex_unlock(&dev->struct_mutex); #ifdef __alpha__ @@ -480,10 +465,10 @@ int drm_release(struct inode *inode, struct file *filp) mutex_lock(&dev->ctxlist_mutex); - if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) { + if (!list_empty(&dev->ctxlist)) { drm_ctx_list_t *pos, *n; - list_for_each_entry_safe(pos, n, &dev->ctxlist->head, head) { + list_for_each_entry_safe(pos, n, &dev->ctxlist, head) { if (pos->tag == priv && pos->handle != DRM_KERNEL_CONTEXT) { if (dev->driver->context_dtor) @@ -503,22 +488,12 @@ int drm_release(struct inode *inode, struct file *filp) mutex_lock(&dev->struct_mutex); drm_object_release(filp); if (priv->remove_auth_on_close == 1) { - drm_file_t *temp = dev->file_first; - while (temp) { + drm_file_t *temp; + + list_for_each_entry(temp, &dev->filelist, lhead) temp->authenticated = 0; - temp = temp->next; - } - } - if (priv->prev) { - priv->prev->next = priv->next; - } else { - dev->file_first = priv->next; - } - if (priv->next) { - priv->next->prev = priv->prev; - } else { - dev->file_last = priv->prev; } + list_del(&priv->lhead); mutex_unlock(&dev->struct_mutex); if (dev->driver->postclose) diff --git a/linux-core/drm_ioc32.c b/linux-core/drm_ioc32.c index c112e81f..bbab3ea2 100644 --- a/linux-core/drm_ioc32.c +++ b/linux-core/drm_ioc32.c @@ -28,7 +28,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm_core.h" diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c index f790a4b3..97df972f 100644 --- a/linux-core/drm_ioctl.c +++ b/linux-core/drm_ioctl.c @@ -199,7 +199,7 @@ int drm_getmap(struct inode *inode, struct file *filp, } i = 0; - list_for_each(list, &dev->maplist->head) { + list_for_each(list, &dev->maplist) { if (i == idx) { r_list = list_entry(list, drm_map_list_t, head); break; @@ -252,12 +252,18 @@ int drm_getclient(struct inode *inode, struct file *filp, return -EFAULT; idx = client.idx; mutex_lock(&dev->struct_mutex); - for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ; - - if (!pt) { + + if (list_empty(&dev->filelist)) { mutex_unlock(&dev->struct_mutex); return -EINVAL; } + + i = 0; + list_for_each_entry(pt, &dev->filelist, lhead) { + if (i++ >= idx) + break; + } + client.auth = pt->authenticated; client.pid = pt->pid; client.uid = pt->uid; diff --git a/linux-core/drm_irq.c b/linux-core/drm_irq.c index b0f6e3e1..88716712 100644 --- a/linux-core/drm_irq.c +++ b/linux-core/drm_irq.c @@ -119,8 +119,8 @@ static int drm_irq_install(drm_device_t * dev) spin_lock_init(&dev->vbl_lock); - INIT_LIST_HEAD(&dev->vbl_sigs.head); - INIT_LIST_HEAD(&dev->vbl_sigs2.head); + INIT_LIST_HEAD(&dev->vbl_sigs); + INIT_LIST_HEAD(&dev->vbl_sigs2); dev->vbl_pending = 0; } @@ -290,7 +290,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) if (flags & _DRM_VBLANK_SIGNAL) { unsigned long irqflags; - drm_vbl_sig_t *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY) + struct list_head *vbl_sigs = (flags & _DRM_VBLANK_SECONDARY) ? &dev->vbl_sigs2 : &dev->vbl_sigs; drm_vbl_sig_t *vbl_sig; @@ -300,7 +300,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) * for the same vblank sequence number; nothing to be done in * that case */ - list_for_each_entry(vbl_sig, &vbl_sigs->head, head) { + list_for_each_entry(vbl_sig, vbl_sigs, head) { if (vbl_sig->sequence == vblwait.request.sequence && vbl_sig->info.si_signo == vblwait.request.signal && vbl_sig->task == current) { @@ -334,7 +334,7 @@ int drm_wait_vblank(DRM_IOCTL_ARGS) spin_lock_irqsave(&dev->vbl_lock, irqflags); - list_add_tail((struct list_head *)vbl_sig, &vbl_sigs->head); + list_add_tail(&vbl_sig->head, vbl_sigs); spin_unlock_irqrestore(&dev->vbl_lock, irqflags); @@ -377,20 +377,18 @@ void drm_vbl_send_signals(drm_device_t * dev) spin_lock_irqsave(&dev->vbl_lock, flags); for (i = 0; i < 2; i++) { - struct list_head *list, *tmp; - drm_vbl_sig_t *vbl_sig; - drm_vbl_sig_t *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs; + drm_vbl_sig_t *vbl_sig, *tmp; + struct list_head *vbl_sigs = i ? &dev->vbl_sigs2 : &dev->vbl_sigs; unsigned int vbl_seq = atomic_read(i ? &dev->vbl_received2 : &dev->vbl_received); - list_for_each_safe(list, tmp, &vbl_sigs->head) { - vbl_sig = list_entry(list, drm_vbl_sig_t, head); + list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) { if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { vbl_sig->info.si_code = vbl_seq; send_sig_info(vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task); - list_del(list); + list_del(&vbl_sig->head); drm_free(vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER); diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c index 759e1f15..b1423c12 100644 --- a/linux-core/drm_memory.c +++ b/linux-core/drm_memory.c @@ -228,7 +228,7 @@ static void *agp_remap(unsigned long offset, unsigned long size, offset -= dev->hose->mem_space->start; #endif - for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) + list_for_each_entry(agpmem, &dev->agp->memory, head) if (agpmem->bound <= offset && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >= (offset + size)) diff --git a/linux-core/drm_object.c b/linux-core/drm_object.c index 03906034..567a7d2b 100644 --- a/linux-core/drm_object.c +++ b/linux-core/drm_object.c @@ -36,6 +36,8 @@ int drm_add_user_object(drm_file_t * priv, drm_user_object_t * item, drm_device_t *dev = priv->head->dev; int ret; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + atomic_set(&item->refcount, 1); item->shareable = shareable; item->owner = priv; @@ -56,6 +58,8 @@ drm_user_object_t *drm_lookup_user_object(drm_file_t * priv, uint32_t key) int ret; drm_user_object_t *item; + DRM_ASSERT_LOCKED(&dev->struct_mutex); + ret = drm_ht_find_item(&dev->object_hash, key, &hash); if (ret) { return NULL; @@ -88,6 +92,8 @@ static void drm_deref_user_object(drm_file_t * priv, drm_user_object_t * item) int drm_remove_user_object(drm_file_t * priv, drm_user_object_t * item) { + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); + if (item->owner != priv) { DRM_ERROR("Cannot destroy object not owned by you.\n"); return -EINVAL; @@ -125,6 +131,7 @@ int drm_add_ref_object(drm_file_t * priv, drm_user_object_t * referenced_object, drm_ref_object_t *item; drm_open_hash_t *ht = &priv->refd_object_hash[ref_action]; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); if (!referenced_object->shareable && priv != referenced_object->owner) { DRM_ERROR("Not allowed to reference this object\n"); return -EINVAL; @@ -181,6 +188,7 @@ drm_ref_object_t *drm_lookup_ref_object(drm_file_t * priv, drm_hash_item_t *hash; int ret; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); ret = drm_ht_find_item(&priv->refd_object_hash[ref_action], (unsigned long)referenced_object, &hash); if (ret) @@ -213,6 +221,7 @@ void drm_remove_ref_object(drm_file_t * priv, drm_ref_object_t * item) drm_open_hash_t *ht = &priv->refd_object_hash[item->unref_action]; drm_ref_t unref_action; + DRM_ASSERT_LOCKED(&priv->head->dev->struct_mutex); unref_action = item->unref_action; if (atomic_dec_and_test(&item->refcount)) { ret = drm_ht_remove_item(ht, &item->hash); diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index b40320aa..8b65f90a 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -29,7 +29,7 @@ */ #ifndef _DRM_OBJECTS_H -#define _DRM_OJBECTS_H +#define _DRM_OBJECTS_H struct drm_device; @@ -141,6 +141,7 @@ extern int drm_user_object_unref(drm_file_t * priv, uint32_t user_token, typedef struct drm_fence_object { drm_user_object_t base; + struct drm_device *dev; atomic_t usage; /* @@ -196,15 +197,15 @@ extern void drm_fence_manager_init(struct drm_device *dev); extern void drm_fence_manager_takedown(struct drm_device *dev); extern void drm_fence_flush_old(struct drm_device *dev, uint32_t class, uint32_t sequence); -extern int drm_fence_object_flush(struct drm_device *dev, - drm_fence_object_t * fence, uint32_t type); -extern int drm_fence_object_signaled(drm_fence_object_t * fence, uint32_t type); -extern void drm_fence_usage_deref_locked(struct drm_device *dev, - drm_fence_object_t * fence); -extern void drm_fence_usage_deref_unlocked(struct drm_device *dev, - drm_fence_object_t * fence); -extern int drm_fence_object_wait(struct drm_device *dev, - drm_fence_object_t * fence, +extern int drm_fence_object_flush(drm_fence_object_t * fence, uint32_t type); +extern int drm_fence_object_signaled(drm_fence_object_t * fence, + uint32_t type, int flush); +extern void drm_fence_usage_deref_locked(drm_fence_object_t ** fence); +extern void drm_fence_usage_deref_unlocked(drm_fence_object_t ** fence); +extern struct drm_fence_object *drm_fence_reference_locked(struct drm_fence_object *src); +extern void drm_fence_reference_unlocked(struct drm_fence_object **dst, + struct drm_fence_object *src); +extern int drm_fence_object_wait(drm_fence_object_t * fence, int lazy, int ignore_signals, uint32_t mask); extern int drm_fence_object_create(struct drm_device *dev, uint32_t type, uint32_t fence_flags, uint32_t class, @@ -460,7 +461,7 @@ extern int drm_bo_pci_offset(struct drm_device *dev, unsigned long *bus_size); extern int drm_mem_reg_is_pci(struct drm_device *dev, drm_bo_mem_reg_t * mem); -extern void drm_bo_usage_deref_locked(drm_buffer_object_t * bo); +extern void drm_bo_usage_deref_locked(drm_buffer_object_t ** bo); extern int drm_fence_buffer_objects(drm_file_t * priv, struct list_head *list, uint32_t fence_flags, @@ -492,4 +493,12 @@ extern int drm_bo_move_accel_cleanup(drm_buffer_object_t * bo, uint32_t fence_flags, drm_bo_mem_reg_t * new_mem); +#ifdef CONFIG_DEBUG_MUTEXES +#define DRM_ASSERT_LOCKED(_mutex) \ + BUG_ON(!mutex_is_locked(_mutex) || \ + ((_mutex)->owner != current_thread_info())) +#else +#define DRM_ASSERT_LOCKED(_mutex) +#endif + #endif diff --git a/linux-core/drm_pci.c b/linux-core/drm_pci.c index 40a65f3e..76252204 100644 --- a/linux-core/drm_pci.c +++ b/linux-core/drm_pci.c @@ -51,10 +51,8 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, dma_addr_t maxaddr) { drm_dma_handle_t *dmah; -#if 1 unsigned long addr; size_t sz; -#endif #ifdef DRM_DEBUG_MEMORY int area = DRM_MEM_DMA; diff --git a/linux-core/drm_proc.c b/linux-core/drm_proc.c index af62c62a..e93a0406 100644 --- a/linux-core/drm_proc.c +++ b/linux-core/drm_proc.c @@ -211,7 +211,6 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, int len = 0; drm_map_t *map; drm_map_list_t *r_list; - struct list_head *list; /* Hardcoded from _DRM_FRAME_BUFFER, _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, @@ -231,9 +230,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, DRM_PROC_PRINT("slot offset size type flags " "address mtrr\n\n"); i = 0; - if (dev->maplist != NULL) - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); + list_for_each_entry(r_list, &dev->maplist, head) { map = r_list->map; if (!map) continue; @@ -242,10 +239,10 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, else type = types[map->type]; DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", - i, - map->offset, - map->size, type, map->flags, - (unsigned long) r_list->user_token); + i, + map->offset, + map->size, type, map->flags, + (unsigned long) r_list->user_token); if (map->mtrr < 0) { DRM_PROC_PRINT("none\n"); @@ -253,7 +250,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request, DRM_PROC_PRINT("%4d\n", map->mtrr); } i++; - } + } if (len > request + offset) return request; @@ -535,7 +532,7 @@ static int drm__clients_info(char *buf, char **start, off_t offset, *eof = 0; DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); - for (priv = dev->file_first; priv; priv = priv->next) { + list_for_each_entry(priv, &dev->filelist, lhead) { DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", priv->authenticated ? 'y' : 'n', priv->minor, @@ -588,7 +585,7 @@ static int drm__vma_info(char *buf, char **start, off_t offset, int request, DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", atomic_read(&dev->vma_count), high_memory, virt_to_phys(high_memory)); - for (pt = dev->vmalist; pt; pt = pt->next) { + list_for_each_entry(pt, &dev->vmalist, head) { if (!(vma = pt->vma)) continue; DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", diff --git a/linux-core/drm_scatter.c b/linux-core/drm_scatter.c index e5c9f877..c0d6db24 100644 --- a/linux-core/drm_scatter.c +++ b/linux-core/drm_scatter.c @@ -55,6 +55,7 @@ void drm_sg_cleanup(drm_sg_mem_t * entry) entry->pages * sizeof(*entry->pagelist), DRM_MEM_PAGES); drm_free(entry, sizeof(*entry), DRM_MEM_SGLISTS); } +EXPORT_SYMBOL(drm_sg_cleanup); #ifdef _LP64 # define ScatterHandle(x) (unsigned int)((x >> 32) + (x & ((1L << 32) - 1))) @@ -62,13 +63,8 @@ void drm_sg_cleanup(drm_sg_mem_t * entry) # define ScatterHandle(x) (unsigned int)(x) #endif -int drm_sg_alloc(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +int drm_sg_alloc(drm_device_t * dev, drm_scatter_gather_t * request) { - drm_file_t *priv = filp->private_data; - drm_device_t *dev = priv->head->dev; - drm_scatter_gather_t __user *argp = (void __user *)arg; - drm_scatter_gather_t request; drm_sg_mem_t *entry; unsigned long pages, i, j; @@ -80,17 +76,13 @@ int drm_sg_alloc(struct inode *inode, struct file *filp, if (dev->sg) return -EINVAL; - if (copy_from_user(&request, argp, sizeof(request))) - return -EFAULT; - entry = drm_alloc(sizeof(*entry), DRM_MEM_SGLISTS); if (!entry) return -ENOMEM; memset(entry, 0, sizeof(*entry)); - - pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; - DRM_DEBUG("sg size=%ld pages=%ld\n", request.size, pages); + pages = (request->size + PAGE_SIZE - 1) / PAGE_SIZE; + DRM_DEBUG("sg size=%ld pages=%ld\n", request->size, pages); entry->pages = pages; entry->pagelist = drm_alloc(pages * sizeof(*entry->pagelist), @@ -142,12 +134,7 @@ int drm_sg_alloc(struct inode *inode, struct file *filp, SetPageReserved(entry->pagelist[j]); } - request.handle = entry->handle; - - if (copy_to_user(argp, &request, sizeof(request))) { - drm_sg_cleanup(entry); - return -EFAULT; - } + request->handle = entry->handle; dev->sg = entry; @@ -196,6 +183,32 @@ int drm_sg_alloc(struct inode *inode, struct file *filp, failed: drm_sg_cleanup(entry); return -ENOMEM; + +} +EXPORT_SYMBOL(drm_sg_alloc); + +int drm_sg_alloc_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_scatter_gather_t __user *argp = (void __user *)arg; + drm_scatter_gather_t request; + int ret; + + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + + ret = drm_sg_alloc(priv->head->dev, &request); + if ( ret ) return ret; + + if (copy_to_user(argp, &request, sizeof(request))) { + drm_sg_cleanup(priv->head->dev->sg); + return -EFAULT; + } + + + return 0; + } int drm_sg_free(struct inode *inode, struct file *filp, diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c index f4da7dac..b96408ab 100644 --- a/linux-core/drm_stub.c +++ b/linux-core/drm_stub.c @@ -60,6 +60,11 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, { int retcode; + INIT_LIST_HEAD(&dev->filelist); + INIT_LIST_HEAD(&dev->ctxlist); + INIT_LIST_HEAD(&dev->vmalist); + INIT_LIST_HEAD(&dev->maplist); + spin_lock_init(&dev->count_lock); spin_lock_init(&dev->drw_lock); spin_lock_init(&dev->tasklet_lock); @@ -70,6 +75,8 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, mutex_init(&dev->bm.init_mutex); mutex_init(&dev->bm.evict_mutex); + idr_init(&dev->drw_idr); + dev->pdev = pdev; dev->pci_device = pdev->device; dev->pci_vendor = pdev->vendor; @@ -80,28 +87,20 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, dev->irq = pdev->irq; if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER)) { - drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); return -ENOMEM; } if (drm_mm_init(&dev->offset_manager, DRM_FILE_PAGE_OFFSET_START, DRM_FILE_PAGE_OFFSET_SIZE)) { - drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); drm_ht_remove(&dev->map_hash); return -ENOMEM; } if (drm_ht_create(&dev->object_hash, DRM_OBJECT_HASH_ORDER)) { - drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); drm_ht_remove(&dev->map_hash); drm_mm_takedown(&dev->offset_manager); return -ENOMEM; } - dev->maplist = drm_calloc(1, sizeof(*dev->maplist), DRM_MEM_MAPS); - if (dev->maplist == NULL) - return -ENOMEM; - INIT_LIST_HEAD(&dev->maplist->head); - /* the DRM has 6 counters */ dev->counters = 6; dev->types[0] = _DRM_STAT_LOCK; @@ -233,18 +232,22 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, if (!drm_fb_loaded) { pci_set_drvdata(pdev, dev); - pci_request_regions(pdev, driver->pci_driver.name); + ret = pci_request_regions(pdev, driver->pci_driver.name); + if (ret) + goto err_g1; } - pci_enable_device(pdev); + ret = pci_enable_device(pdev); + if (ret) + goto err_g2; pci_set_master(pdev); if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { printk(KERN_ERR "DRM: fill_in_dev failed\n"); - goto err_g1; + goto err_g3; } if ((ret = drm_get_head(dev, &dev->primary))) - goto err_g1; + goto err_g3; DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, driver->major, driver->minor, driver->patchlevel, @@ -252,12 +255,16 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, return 0; -err_g1: - if (!drm_fb_loaded) { - pci_set_drvdata(pdev, NULL); - pci_release_regions(pdev); + err_g3: + if (!drm_fb_loaded) pci_disable_device(pdev); - } + err_g2: + if (!drm_fb_loaded) + pci_release_regions(pdev); + err_g1: + if (!drm_fb_loaded) + pci_set_drvdata(pdev, NULL); + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); printk(KERN_ERR "DRM: drm_get_dev failed.\n"); return ret; diff --git a/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c index ace0778b..9b2f5dce 100644 --- a/linux-core/drm_sysfs.c +++ b/linux-core/drm_sysfs.c @@ -93,11 +93,15 @@ struct drm_sysfs_class *drm_sysfs_create(struct module *owner, char *name) retval = class_register(&cs->class); if (retval) goto error; - class_create_file(&cs->class, &class_attr_version); + retval = class_create_file(&cs->class, &class_attr_version); + if (retval) + goto error_with_class; return cs; - error: + error_with_class: + class_unregister(&cs->class); + error: kfree(cs); return ERR_PTR(retval); } @@ -170,16 +174,31 @@ struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, if (retval) goto error; - class_device_create_file(&s_dev->class_dev, &cs->attr); + retval = class_device_create_file(&s_dev->class_dev, &cs->attr); + if (retval) + goto error_with_device; + class_set_devdata(&s_dev->class_dev, head); - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_create_file(&s_dev->class_dev, &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { + retval = class_device_create_file(&s_dev->class_dev, + &class_device_attrs[i]); + if (retval) + goto error_with_files; + } return &s_dev->class_dev; -error: + error_with_files: + while (i > 0) + class_device_remove_file(&s_dev->class_dev, + &class_device_attrs[--i]); + class_device_remove_file(&s_dev->class_dev, &cs->attr); + error_with_device: + class_device_unregister(&s_dev->class_dev); + error: kfree(s_dev); + return ERR_PTR(retval); } diff --git a/linux-core/drm_vm.c b/linux-core/drm_vm.c index b8871539..72d63c10 100644 --- a/linux-core/drm_vm.c +++ b/linux-core/drm_vm.c @@ -122,7 +122,7 @@ static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, /* * It's AGP memory - find the real physical page to map */ - for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) { + list_for_each_entry(agpmem, &dev->agp->memory, head) { if (agpmem->bound <= baddr && agpmem->bound + agpmem->pages * PAGE_SIZE > baddr) break; @@ -205,10 +205,9 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->head->dev; - drm_vma_entry_t *pt, *prev, *next; + drm_vma_entry_t *pt, *temp; drm_map_t *map; drm_map_list_t *r_list; - struct list_head *list; int found_maps = 0; DRM_DEBUG("0x%08lx,0x%08lx\n", @@ -218,19 +217,12 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) map = vma->vm_private_data; mutex_lock(&dev->struct_mutex); - for (pt = dev->vmalist, prev = NULL; pt; pt = next) { - next = pt->next; + list_for_each_entry_safe(pt, temp, &dev->vmalist, head) { if (pt->vma->vm_private_data == map) found_maps++; if (pt->vma == vma) { - if (prev) { - prev->next = pt->next; - } else { - dev->vmalist = pt->next; - } + list_del(&pt->head); drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS); - } else { - prev = pt; } } /* We were the only map that was found */ @@ -239,9 +231,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) * we delete this mappings information. */ found_maps = 0; - list = &dev->maplist->head; - list_for_each(list, &dev->maplist->head) { - r_list = list_entry(list, drm_map_list_t, head); + list_for_each_entry(r_list, &dev->maplist, head) { if (r_list->map == map) found_maps++; } @@ -439,9 +429,8 @@ static void drm_vm_open_locked(struct vm_area_struct *vma) vma_entry = drm_ctl_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); if (vma_entry) { vma_entry->vma = vma; - vma_entry->next = dev->vmalist; vma_entry->pid = current->pid; - dev->vmalist = vma_entry; + list_add(&vma_entry->head, &dev->vmalist); } } @@ -467,20 +456,16 @@ static void drm_vm_close(struct vm_area_struct *vma) { drm_file_t *priv = vma->vm_file->private_data; drm_device_t *dev = priv->head->dev; - drm_vma_entry_t *pt, *prev; + drm_vma_entry_t *pt, *temp; DRM_DEBUG("0x%08lx,0x%08lx\n", vma->vm_start, vma->vm_end - vma->vm_start); atomic_dec(&dev->vma_count); mutex_lock(&dev->struct_mutex); - for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + list_for_each_entry_safe(pt, temp, &dev->vmalist, head) { if (pt->vma == vma) { - if (prev) { - prev->next = pt->next; - } else { - dev->vmalist = pt->next; - } + list_del(&pt->head); drm_ctl_free(pt, sizeof(*pt), DRM_MEM_VMAS); break; } @@ -855,7 +840,8 @@ static void drm_bo_vm_close(struct vm_area_struct *vma) #ifdef DRM_ODD_MM_COMPAT drm_bo_delete_vma(bo, vma); #endif - drm_bo_usage_deref_locked(bo); + drm_bo_usage_deref_locked((struct drm_buffer_object **) + &vma->vm_private_data); mutex_unlock(&dev->struct_mutex); } return; diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c index 3f2dad38..49379434 100644 --- a/linux-core/i810_dma.c +++ b/linux-core/i810_dma.c @@ -346,12 +346,10 @@ static int i810_dma_initialize(drm_device_t * dev, drm_i810_private_t * dev_priv, drm_i810_init_t * init) { - struct list_head *list; - + drm_map_list_t *r_list; memset(dev_priv, 0, sizeof(drm_i810_private_t)); - list_for_each(list, &dev->maplist->head) { - drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); + list_for_each_entry(r_list, &dev->maplist, head) { if (r_list->map && r_list->map->type == _DRM_SHM && r_list->map->flags & _DRM_CONTAINS_LOCK) { diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index 7fdb0839..49437066 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -41,9 +41,9 @@ static struct pci_device_id pciidlist[] = { #ifdef I915_HAVE_FENCE static drm_fence_driver_t i915_fence_driver = { .num_classes = 1, - .wrap_diff = (1 << 30), - .flush_diff = (1 << 29), - .sequence_mask = 0xffffffffU, + .wrap_diff = (1U << (BREADCRUMB_BITS - 1)), + .flush_diff = (1U << (BREADCRUMB_BITS - 2)), + .sequence_mask = BREADCRUMB_MASK, .lazy_capable = 1, .emit = i915_fence_emit_sequence, .poke_flush = i915_poke_flush, diff --git a/linux-core/i915_fence.c b/linux-core/i915_fence.c index 88daa57c..00873485 100644 --- a/linux-core/i915_fence.c +++ b/linux-core/i915_fence.c @@ -61,7 +61,7 @@ static void i915_perform_flush(drm_device_t * dev) * First update fences with the current breadcrumb. */ - diff = sequence - fc->last_exe_flush; + diff = (sequence - fc->last_exe_flush) & BREADCRUMB_MASK; if (diff < driver->wrap_diff && diff != 0) { drm_fence_handler(dev, 0, sequence, DRM_FENCE_TYPE_EXE); } diff --git a/linux-core/i915_ioc32.c b/linux-core/i915_ioc32.c index 396f5c21..c1e776b7 100644 --- a/linux-core/i915_ioc32.c +++ b/linux-core/i915_ioc32.c @@ -30,7 +30,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/linux-core/mga_ioc32.c b/linux-core/mga_ioc32.c index 5775cd63..75f2a231 100644 --- a/linux-core/mga_ioc32.c +++ b/linux-core/mga_ioc32.c @@ -32,7 +32,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/linux-core/nouveau_ioc32.c b/linux-core/nouveau_ioc32.c index a752a581..f55ae7a2 100644 --- a/linux-core/nouveau_ioc32.c +++ b/linux-core/nouveau_ioc32.c @@ -32,7 +32,6 @@ */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/linux-core/nouveau_notifier.c b/linux-core/nouveau_notifier.c new file mode 120000 index 00000000..285469c5 --- /dev/null +++ b/linux-core/nouveau_notifier.c @@ -0,0 +1 @@ +../shared-core/nouveau_notifier.c
\ No newline at end of file diff --git a/linux-core/nv04_fifo.c b/linux-core/nv04_fifo.c new file mode 120000 index 00000000..d10beb19 --- /dev/null +++ b/linux-core/nv04_fifo.c @@ -0,0 +1 @@ +../shared-core/nv04_fifo.c
\ No newline at end of file diff --git a/linux-core/nv04_instmem.c b/linux-core/nv04_instmem.c new file mode 120000 index 00000000..e720fb5b --- /dev/null +++ b/linux-core/nv04_instmem.c @@ -0,0 +1 @@ +../shared-core/nv04_instmem.c
\ No newline at end of file diff --git a/linux-core/nv10_fifo.c b/linux-core/nv10_fifo.c new file mode 120000 index 00000000..8630ad04 --- /dev/null +++ b/linux-core/nv10_fifo.c @@ -0,0 +1 @@ +../shared-core/nv10_fifo.c
\ No newline at end of file diff --git a/linux-core/nv40_fifo.c b/linux-core/nv40_fifo.c new file mode 120000 index 00000000..cc71e7a4 --- /dev/null +++ b/linux-core/nv40_fifo.c @@ -0,0 +1 @@ +../shared-core/nv40_fifo.c
\ No newline at end of file diff --git a/linux-core/nv50_fifo.c b/linux-core/nv50_fifo.c new file mode 120000 index 00000000..4c9990a9 --- /dev/null +++ b/linux-core/nv50_fifo.c @@ -0,0 +1 @@ +../shared-core/nv50_fifo.c
\ No newline at end of file diff --git a/linux-core/nv50_graph.c b/linux-core/nv50_graph.c new file mode 120000 index 00000000..03f69e68 --- /dev/null +++ b/linux-core/nv50_graph.c @@ -0,0 +1 @@ +../shared-core/nv50_graph.c
\ No newline at end of file diff --git a/linux-core/nv50_instmem.c b/linux-core/nv50_instmem.c new file mode 120000 index 00000000..4e45344a --- /dev/null +++ b/linux-core/nv50_instmem.c @@ -0,0 +1 @@ +../shared-core/nv50_instmem.c
\ No newline at end of file diff --git a/linux-core/nv50_mc.c b/linux-core/nv50_mc.c new file mode 120000 index 00000000..f4bb369e --- /dev/null +++ b/linux-core/nv50_mc.c @@ -0,0 +1 @@ +../shared-core/nv50_mc.c
\ No newline at end of file diff --git a/linux-core/r128_ioc32.c b/linux-core/r128_ioc32.c index 73630540..6b757576 100644 --- a/linux-core/r128_ioc32.c +++ b/linux-core/r128_ioc32.c @@ -30,7 +30,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" diff --git a/linux-core/radeon_drv.c b/linux-core/radeon_drv.c index 43b9aca0..327a6a97 100644 --- a/linux-core/radeon_drv.c +++ b/linux-core/radeon_drv.c @@ -61,7 +61,7 @@ static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | - DRIVER_IRQ_VBL, + DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2, .dev_priv_size = sizeof(drm_radeon_buf_priv_t), .load = radeon_driver_load, .firstopen = radeon_driver_firstopen, @@ -71,6 +71,7 @@ static struct drm_driver driver = { .lastclose = radeon_driver_lastclose, .unload = radeon_driver_unload, .vblank_wait = radeon_driver_vblank_wait, + .vblank_wait2 = radeon_driver_vblank_wait2, .dri_library_name = dri_library_name, .irq_preinstall = radeon_driver_irq_preinstall, .irq_postinstall = radeon_driver_irq_postinstall, diff --git a/linux-core/radeon_ioc32.c b/linux-core/radeon_ioc32.c index b980bedb..bc8aa35a 100644 --- a/linux-core/radeon_ioc32.c +++ b/linux-core/radeon_ioc32.c @@ -28,7 +28,6 @@ * IN THE SOFTWARE. */ #include <linux/compat.h> -#include <linux/ioctl32.h> #include "drmP.h" #include "drm.h" @@ -350,6 +349,36 @@ static int compat_radeon_irq_emit(struct file *file, unsigned int cmd, DRM_IOCTL_RADEON_IRQ_EMIT, (unsigned long) request); } +/* The two 64-bit arches where alignof(u64)==4 in 32-bit code */ +#if defined (CONFIG_X86_64) || defined(CONFIG_IA64) +typedef struct drm_radeon_setparam32 { + int param; + u64 value; +} __attribute__((packed)) drm_radeon_setparam32_t; + +static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, + unsigned long arg) +{ + drm_radeon_setparam32_t req32; + drm_radeon_setparam_t __user *request; + + if (copy_from_user(&req32, (void __user *) arg, sizeof(req32))) + return -EFAULT; + + request = compat_alloc_user_space(sizeof(*request)); + if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) + || __put_user(req32.param, &request->param) + || __put_user((void __user *)(unsigned long)req32.value, + &request->value)) + return -EFAULT; + + return drm_ioctl(file->f_dentry->d_inode, file, + DRM_IOCTL_RADEON_SETPARAM, (unsigned long) request); +} +#else +#define compat_radeon_cp_setparam NULL +#endif /* X86_64 || IA64 */ + drm_ioctl_compat_t *radeon_compat_ioctls[] = { [DRM_RADEON_CP_INIT] = compat_radeon_cp_init, [DRM_RADEON_CLEAR] = compat_radeon_cp_clear, @@ -358,6 +387,7 @@ drm_ioctl_compat_t *radeon_compat_ioctls[] = { [DRM_RADEON_VERTEX2] = compat_radeon_cp_vertex2, [DRM_RADEON_CMDBUF] = compat_radeon_cp_cmdbuf, [DRM_RADEON_GETPARAM] = compat_radeon_cp_getparam, + [DRM_RADEON_SETPARAM] = compat_radeon_cp_setparam, [DRM_RADEON_ALLOC] = compat_radeon_mem_alloc, [DRM_RADEON_IRQ_EMIT] = compat_radeon_irq_emit, }; diff --git a/linux-core/sis_mm.c b/linux-core/sis_mm.c index 5efbada4..21c1f2d7 100644 --- a/linux-core/sis_mm.c +++ b/linux-core/sis_mm.c @@ -233,7 +233,7 @@ static drm_local_map_t *sis_reg_init(drm_device_t *dev) drm_map_list_t *entry; drm_local_map_t *map; - list_for_each_entry(entry, &dev->maplist->head, head) { + list_for_each_entry(entry, &dev->maplist, head) { map = entry->map; if (!map) continue; |