summaryrefslogtreecommitdiff
path: root/linux-core
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drm_bo_lock.c9
-rw-r--r--linux-core/drm_bo_move.c59
-rw-r--r--linux-core/drm_object.c36
-rw-r--r--linux-core/drm_ttm.c63
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 15:54:32 +0000