diff options
| -rw-r--r-- | linux-core/drm_bo_lock.c | 9 | ||||
| -rw-r--r-- | linux-core/drm_bo_move.c | 59 | ||||
| -rw-r--r-- | linux-core/drm_object.c | 36 | ||||
| -rw-r--r-- | linux-core/drm_ttm.c | 63 |
4 files changed, 76 insertions, 91 deletions
diff --git a/linux-core/drm_bo_lock.c b/linux-core/drm_bo_lock.c index 46318f6a..f967fb7c 100644 --- a/linux-core/drm_bo_lock.c +++ b/linux-core/drm_bo_lock.c @@ -73,7 +73,6 @@ void drm_bo_read_unlock(struct drm_bo_lock *lock) if (atomic_read(&lock->readers) == 0) wake_up_interruptible(&lock->queue); } - EXPORT_SYMBOL(drm_bo_read_unlock); int drm_bo_read_lock(struct drm_bo_lock *lock) @@ -95,7 +94,6 @@ int drm_bo_read_lock(struct drm_bo_lock *lock) } return 0; } - EXPORT_SYMBOL(drm_bo_read_lock); static int __drm_bo_write_unlock(struct drm_bo_lock *lock) @@ -123,9 +121,8 @@ int drm_bo_write_lock(struct drm_bo_lock *lock, struct drm_file *file_priv) int ret = 0; struct drm_device *dev; - if (unlikely(atomic_cmpxchg(&lock->write_lock_pending, 0, 1) != 0)) { + if (unlikely(atomic_cmpxchg(&lock->write_lock_pending, 0, 1) != 0)) return -EINVAL; - } while (unlikely(atomic_cmpxchg(&lock->readers, 0, -1) != 0)) { ret = wait_event_interruptible @@ -149,9 +146,9 @@ int drm_bo_write_lock(struct drm_bo_lock *lock, struct drm_file *file_priv) ret = drm_add_user_object(file_priv, &lock->base, 0); lock->base.remove = &drm_bo_write_lock_remove; lock->base.type = drm_lock_type; - if (ret) { + if (ret) (void)__drm_bo_write_unlock(lock); - } + mutex_unlock(&dev->struct_mutex); return ret; diff --git a/linux-core/drm_bo_move.c b/linux-core/drm_bo_move.c index 9ab28b03..2aba3271 100644 --- a/linux-core/drm_bo_move.c +++ b/linux-core/drm_bo_move.c @@ -35,7 +35,7 @@ * have not been requested to free also pinned regions. */ -static void drm_bo_free_old_node(struct drm_buffer_object * bo) +static void drm_bo_free_old_node(struct drm_buffer_object *bo) { struct drm_bo_mem_reg *old_mem = &bo->mem; @@ -48,8 +48,8 @@ static void drm_bo_free_old_node(struct drm_buffer_object * bo) old_mem->mm_node = NULL; } -int drm_bo_move_ttm(struct drm_buffer_object * bo, - int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_ttm(struct drm_buffer_object *bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) { struct drm_ttm *ttm = bo->ttm; struct drm_bo_mem_reg *old_mem = &bo->mem; @@ -82,7 +82,6 @@ int drm_bo_move_ttm(struct drm_buffer_object * bo, DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); return 0; } - EXPORT_SYMBOL(drm_bo_move_ttm); /** @@ -100,7 +99,7 @@ EXPORT_SYMBOL(drm_bo_move_ttm); * Call bo->mutex locked. */ -int drm_mem_reg_ioremap(struct drm_device * dev, struct drm_bo_mem_reg * mem, +int drm_mem_reg_ioremap(struct drm_device *dev, struct drm_bo_mem_reg *mem, void **virtual) { struct drm_buffer_manager *bm = &dev->bm; @@ -136,7 +135,7 @@ EXPORT_SYMBOL(drm_mem_reg_ioremap); * Call bo->mutex locked. */ -void drm_mem_reg_iounmap(struct drm_device * dev, struct drm_bo_mem_reg * mem, +void drm_mem_reg_iounmap(struct drm_device *dev, struct drm_bo_mem_reg *mem, void *virtual) { struct drm_buffer_manager *bm; @@ -145,9 +144,8 @@ void drm_mem_reg_iounmap(struct drm_device * dev, struct drm_bo_mem_reg * mem, bm = &dev->bm; man = &bm->man[mem->mem_type]; - if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) { + if (virtual && (man->flags & _DRM_FLAG_NEEDS_IOREMAP)) iounmap(virtual); - } } static int drm_copy_io_page(void *dst, void *src, unsigned long page) @@ -163,7 +161,8 @@ static int drm_copy_io_page(void *dst, void *src, unsigned long page) return 0; } -static int drm_copy_io_ttm_page(struct drm_ttm * ttm, void *src, unsigned long page) +static int drm_copy_io_ttm_page(struct drm_ttm *ttm, void *src, + unsigned long page) { struct page *d = drm_ttm_get_page(ttm, page); void *dst; @@ -181,7 +180,7 @@ static int drm_copy_io_ttm_page(struct drm_ttm * ttm, void *src, unsigned long p return 0; } -static int drm_copy_ttm_io_page(struct drm_ttm * ttm, void *dst, unsigned long page) +static int drm_copy_ttm_io_page(struct drm_ttm *ttm, void *dst, unsigned long page) { struct page *s = drm_ttm_get_page(ttm, page); void *src; @@ -199,8 +198,8 @@ static int drm_copy_ttm_io_page(struct drm_ttm * ttm, void *dst, unsigned long p return 0; } -int drm_bo_move_memcpy(struct drm_buffer_object * bo, - int evict, int no_wait, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_memcpy(struct drm_buffer_object *bo, + int evict, int no_wait, struct drm_bo_mem_reg *new_mem) { struct drm_device *dev = bo->dev; struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; @@ -251,7 +250,7 @@ int drm_bo_move_memcpy(struct drm_buffer_object * bo, goto out1; } mb(); - out2: +out2: drm_bo_free_old_node(bo); *old_mem = *new_mem; @@ -265,13 +264,12 @@ int drm_bo_move_memcpy(struct drm_buffer_object * bo, bo->ttm = NULL; } - out1: +out1: drm_mem_reg_iounmap(dev, new_mem, new_iomap); - out: +out: drm_mem_reg_iounmap(dev, &old_copy, old_iomap); return ret; } - EXPORT_SYMBOL(drm_bo_move_memcpy); /* @@ -280,8 +278,8 @@ EXPORT_SYMBOL(drm_bo_move_memcpy); * object. Call bo->mutex locked. */ -int drm_buffer_object_transfer(struct drm_buffer_object * bo, - struct drm_buffer_object ** new_obj) +int drm_buffer_object_transfer(struct drm_buffer_object *bo, + struct drm_buffer_object **new_obj) { struct drm_buffer_object *fbo; struct drm_device *dev = bo->dev; @@ -322,12 +320,10 @@ int drm_buffer_object_transfer(struct drm_buffer_object * bo, * We cannot restart until it has finished. */ -int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, - int evict, - int no_wait, - uint32_t fence_class, - uint32_t fence_type, - uint32_t fence_flags, struct drm_bo_mem_reg * new_mem) +int drm_bo_move_accel_cleanup(struct drm_buffer_object *bo, + int evict, int no_wait, uint32_t fence_class, + uint32_t fence_type, uint32_t fence_flags, + struct drm_bo_mem_reg *new_mem) { struct drm_device *dev = bo->dev; struct drm_mem_type_manager *man = &dev->bm.man[new_mem->mem_type]; @@ -407,7 +403,6 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo, DRM_FLAG_MASKED(save_flags, new_mem->flags, DRM_BO_MASK_MEMTYPE); return 0; } - EXPORT_SYMBOL(drm_bo_move_accel_cleanup); int drm_bo_same_page(unsigned long offset, @@ -420,13 +415,11 @@ EXPORT_SYMBOL(drm_bo_same_page); unsigned long drm_bo_offset_end(unsigned long offset, unsigned long end) { - offset = (offset + PAGE_SIZE) & PAGE_MASK; return (end < offset) ? end : offset; } EXPORT_SYMBOL(drm_bo_offset_end); - static pgprot_t drm_kernel_io_prot(uint32_t map_type) { pgprot_t tmp = PAGE_KERNEL; @@ -475,8 +468,9 @@ static int drm_bo_ioremap(struct drm_buffer_object *bo, unsigned long bus_base, return (!map->virtual) ? -ENOMEM : 0; } -static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_page, - unsigned long num_pages, struct drm_bo_kmap_obj *map) +static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, + unsigned long start_page, unsigned long num_pages, + struct drm_bo_kmap_obj *map) { struct drm_device *dev = bo->dev; struct drm_bo_mem_reg *mem = &bo->mem; @@ -503,7 +497,7 @@ static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_pag * Populate the part we're mapping; */ - for (i = start_page; i< start_page + num_pages; ++i) { + for (i = start_page; i < start_page + num_pages; ++i) { d = drm_ttm_get_page(ttm, i); if (!d) return -ENOMEM; @@ -530,7 +524,8 @@ static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_pag * and caching policy the buffer currently has. * Mapping multiple pages or buffers that live in io memory is a bit slow and * consumes vmalloc space. Be restrictive with such mappings. - * Mapping single pages usually returns the logical kernel address, (which is fast) + * Mapping single pages usually returns the logical kernel address, + * (which is fast) * BUG may use slower temporary mappings for high memory pages or * uncached / write-combined pages. * @@ -581,7 +576,7 @@ void drm_bo_kunmap(struct drm_bo_kmap_obj *map) if (!map->virtual) return; - switch(map->bo_kmap_type) { + switch (map->bo_kmap_type) { case bo_map_iomap: iounmap(map->virtual); break; diff --git a/linux-core/drm_object.c b/linux-core/drm_object.c index a6d6c0d7..5cc1c8d9 100644 --- a/linux-core/drm_object.c +++ b/linux-core/drm_object.c @@ -30,7 +30,7 @@ #include "drmP.h" -int drm_add_user_object(struct drm_file * priv, struct drm_user_object * item, +int drm_add_user_object(struct drm_file *priv, struct drm_user_object *item, int shareable) { struct drm_device *dev = priv->head->dev; @@ -56,7 +56,7 @@ int drm_add_user_object(struct drm_file * priv, struct drm_user_object * item, } EXPORT_SYMBOL(drm_add_user_object); -struct drm_user_object *drm_lookup_user_object(struct drm_file * priv, uint32_t key) +struct drm_user_object *drm_lookup_user_object(struct drm_file *priv, uint32_t key) { struct drm_device *dev = priv->head->dev; struct drm_hash_item *hash; @@ -66,9 +66,9 @@ struct drm_user_object *drm_lookup_user_object(struct drm_file * priv, uint32_t DRM_ASSERT_LOCKED(&dev->struct_mutex); ret = drm_ht_find_item(&dev->object_hash, key, &hash); - if (ret) { + if (ret) return NULL; - } + item = drm_hash_entry(hash, struct drm_user_object, hash); if (priv != item->owner) { @@ -83,7 +83,7 @@ struct drm_user_object *drm_lookup_user_object(struct drm_file * priv, uint32_t } EXPORT_SYMBOL(drm_lookup_user_object); -static void drm_deref_user_object(struct drm_file * priv, struct drm_user_object * item) +static void drm_deref_user_object(struct drm_file *priv, struct drm_user_object *item) { struct drm_device *dev = priv->head->dev; int ret; @@ -95,7 +95,7 @@ static void drm_deref_user_object(struct drm_file * priv, struct drm_user_object } } -static int drm_object_ref_action(struct drm_file * priv, struct drm_user_object * ro, +static int drm_object_ref_action(struct drm_file *priv, struct drm_user_object *ro, enum drm_ref_type action) { int ret = 0; @@ -114,7 +114,7 @@ static int drm_object_ref_action(struct drm_file * priv, struct drm_user_object return ret; } -int drm_add_ref_object(struct drm_file * priv, struct drm_user_object * referenced_object, +int drm_add_ref_object(struct drm_file *priv, struct drm_user_object *referenced_object, enum drm_ref_type ref_action) { int ret = 0; @@ -167,12 +167,12 @@ int drm_add_ref_object(struct drm_file * priv, struct drm_user_object * referenc list_add(&item->list, &priv->refd_objects); ret = drm_object_ref_action(priv, referenced_object, ref_action); - out: +out: return ret; } -struct drm_ref_object *drm_lookup_ref_object(struct drm_file * priv, - struct drm_user_object * referenced_object, +struct drm_ref_object *drm_lookup_ref_object(struct drm_file *priv, + struct drm_user_object *referenced_object, enum drm_ref_type ref_action) { struct drm_hash_item *hash; @@ -188,8 +188,8 @@ struct drm_ref_object *drm_lookup_ref_object(struct drm_file * priv, } EXPORT_SYMBOL(drm_lookup_ref_object); -static void drm_remove_other_references(struct drm_file * priv, - struct drm_user_object * ro) +static void drm_remove_other_references(struct drm_file *priv, + struct drm_user_object *ro) { int i; struct drm_open_hash *ht; @@ -205,7 +205,7 @@ static void drm_remove_other_references(struct drm_file * priv, } } -void drm_remove_ref_object(struct drm_file * priv, struct drm_ref_object * item) +void drm_remove_ref_object(struct drm_file *priv, struct drm_ref_object *item) { int ret; struct drm_user_object *user_object = (struct drm_user_object *) item->hash.key; @@ -235,8 +235,8 @@ void drm_remove_ref_object(struct drm_file * priv, struct drm_ref_object * item) } -int drm_user_object_ref(struct drm_file * priv, uint32_t user_token, - enum drm_object_type type, struct drm_user_object ** object) +int drm_user_object_ref(struct drm_file *priv, uint32_t user_token, + enum drm_object_type type, struct drm_user_object **object) { struct drm_device *dev = priv->head->dev; struct drm_user_object *uo; @@ -260,12 +260,12 @@ int drm_user_object_ref(struct drm_file * priv, uint32_t user_token, mutex_unlock(&dev->struct_mutex); *object = uo; return 0; - out_err: +out_err: mutex_unlock(&dev->struct_mutex); return ret; } -int drm_user_object_unref(struct drm_file * priv, uint32_t user_token, +int drm_user_object_unref(struct drm_file *priv, uint32_t user_token, enum drm_object_type type) { struct drm_device *dev = priv->head->dev; @@ -287,7 +287,7 @@ int drm_user_object_unref(struct drm_file * priv, uint32_t user_token, drm_remove_ref_object(priv, ro); mutex_unlock(&dev->struct_mutex); return 0; - out_err: +out_err: mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index 4d51f9fe..8a44070d 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -46,7 +46,7 @@ EXPORT_SYMBOL(drm_ttm_cache_flush); * Use kmalloc if possible. Otherwise fall back to vmalloc. */ -static void ttm_alloc_pages(struct drm_ttm * ttm) +static void ttm_alloc_pages(struct drm_ttm *ttm) { unsigned long size = ttm->num_pages * sizeof(*ttm->pages); ttm->pages = NULL; @@ -54,20 +54,19 @@ static void ttm_alloc_pages(struct drm_ttm * ttm) if (drm_alloc_memctl(size)) return; - if (size <= PAGE_SIZE) { + if (size <= PAGE_SIZE) ttm->pages = drm_calloc(1, size, DRM_MEM_TTM); - } + if (!ttm->pages) { ttm->pages = vmalloc_user(size); if (ttm->pages) ttm->page_flags |= DRM_TTM_PAGE_VMALLOC; } - if (!ttm->pages) { + if (!ttm->pages) drm_free_memctl(size); - } } -static void ttm_free_pages(struct drm_ttm * ttm) +static void ttm_free_pages(struct drm_ttm *ttm) { unsigned long size = ttm->num_pages * sizeof(*ttm->pages); @@ -85,9 +84,9 @@ static struct page *drm_ttm_alloc_page(void) { struct page *page; - if (drm_alloc_memctl(PAGE_SIZE)) { + if (drm_alloc_memctl(PAGE_SIZE)) return NULL; - } + page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); if (!page) { drm_free_memctl(PAGE_SIZE); @@ -106,7 +105,7 @@ static struct page *drm_ttm_alloc_page(void) * for range of pages in a ttm. */ -static int drm_set_caching(struct drm_ttm * ttm, int noncached) +static int drm_set_caching(struct drm_ttm *ttm, int noncached) { int i; struct page **cur_page; @@ -153,7 +152,7 @@ static void drm_ttm_free_user_pages(struct drm_ttm *ttm) dirty = ((ttm->page_flags & DRM_TTM_PAGE_USER_DIRTY) != 0); down_read(&mm->mmap_sem); - for (i=0; i<ttm->num_pages; ++i) { + for (i = 0; i < ttm->num_pages; ++i) { page = ttm->pages[i]; if (page == NULL) continue; @@ -186,14 +185,10 @@ static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm) #else ClearPageReserved(*cur_page); #endif - if (page_count(*cur_page) != 1) { - DRM_ERROR("Erroneous page count. " - "Leaking pages.\n"); - } - if (page_mapped(*cur_page)) { - DRM_ERROR("Erroneous map count. " - "Leaking page mappings.\n"); - } + if (page_count(*cur_page) != 1) + DRM_ERROR("Erroneous page count. Leaking pages.\n"); + if (page_mapped(*cur_page)) + DRM_ERROR("Erroneous map count. Leaking page mappings.\n"); __free_page(*cur_page); drm_free_memctl(PAGE_SIZE); --bm->cur_pages; @@ -205,7 +200,7 @@ static void drm_ttm_free_alloced_pages(struct drm_ttm *ttm) * Free all resources associated with a ttm. */ -int drm_destroy_ttm(struct drm_ttm * ttm) +int drm_destroy_ttm(struct drm_ttm *ttm) { struct drm_ttm_backend *be; @@ -234,7 +229,7 @@ int drm_destroy_ttm(struct drm_ttm * ttm) return 0; } -struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index) +struct page *drm_ttm_get_page(struct drm_ttm *ttm, int index) { struct page *p; struct drm_buffer_manager *bm = &ttm->dev->bm; @@ -283,10 +278,9 @@ int drm_ttm_set_user(struct drm_ttm *ttm, return -ENOMEM; } - for (i=0; i<num_pages; ++i) { - if (ttm->pages[i] == NULL) { + for (i = 0; i < num_pages; ++i) { + if (ttm->pages[i] == NULL) ttm->pages[i] = ttm->dummy_read_page; - } } return 0; @@ -294,7 +288,7 @@ int drm_ttm_set_user(struct drm_ttm *ttm, -int drm_ttm_populate(struct drm_ttm * ttm) +int drm_ttm_populate(struct drm_ttm *ttm) { struct page *page; unsigned long i; @@ -318,7 +312,7 @@ int drm_ttm_populate(struct drm_ttm * ttm) * Initialize a ttm. */ -struct drm_ttm *drm_ttm_init(struct drm_device * dev, unsigned long size) +struct drm_ttm *drm_ttm_init(struct drm_device *dev, unsigned long size) { struct drm_bo_driver *bo_driver = dev->driver->bo_driver; struct drm_ttm *ttm; @@ -362,7 +356,7 @@ struct drm_ttm *drm_ttm_init(struct drm_device * dev, unsigned long size) * Unbind a ttm region from the aperture. */ -void drm_ttm_evict(struct drm_ttm * ttm) +void drm_ttm_evict(struct drm_ttm *ttm) { struct drm_ttm_backend *be = ttm->be; int ret; @@ -375,19 +369,18 @@ void drm_ttm_evict(struct drm_ttm * ttm) ttm->state = ttm_evicted; } -void drm_ttm_fixup_caching(struct drm_ttm * ttm) +void drm_ttm_fixup_caching(struct drm_ttm *ttm) { if (ttm->state == ttm_evicted) { struct drm_ttm_backend *be = ttm->be; - if (be->func->needs_ub_cache_adjust(be)) { + if (be->func->needs_ub_cache_adjust(be)) drm_set_caching(ttm, 0); - } ttm->state = ttm_unbound; } } -void drm_ttm_unbind(struct drm_ttm * ttm) +void drm_ttm_unbind(struct drm_ttm *ttm) { if (ttm->state == ttm_bound) drm_ttm_evict(ttm); @@ -395,7 +388,7 @@ void drm_ttm_unbind(struct drm_ttm * ttm) drm_ttm_fixup_caching(ttm); } -int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem) +int drm_bind_ttm(struct drm_ttm *ttm, struct drm_bo_mem_reg *bo_mem) { struct drm_bo_driver *bo_driver = ttm->dev->driver->bo_driver; int ret = 0; @@ -412,13 +405,14 @@ int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem) if (ret) return ret; - if (ttm->state == ttm_unbound && !(bo_mem->flags & DRM_BO_FLAG_CACHED)) { + if (ttm->state == ttm_unbound && !(bo_mem->flags & DRM_BO_FLAG_CACHED)) drm_set_caching(ttm, DRM_TTM_PAGE_UNCACHED); - } else if ((bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED) && + else if ((bo_mem->flags & DRM_BO_FLAG_CACHED_MAPPED) && bo_driver->ttm_cache_flush) bo_driver->ttm_cache_flush(ttm); - if ((ret = be->func->bind(be, bo_mem))) { + ret = be->func->bind(be, bo_mem); + if (ret) { ttm->state = ttm_evicted; DRM_ERROR("Couldn't bind backend.\n"); return ret; @@ -429,5 +423,4 @@ int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem) ttm->page_flags |= DRM_TTM_PAGE_USER_DIRTY; return 0; } - EXPORT_SYMBOL(drm_bind_ttm); |