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path: root/drivers/char/drm/drm_fops.c
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Diffstat (limited to 'drivers/char/drm/drm_fops.c')
-rw-r--r--drivers/char/drm/drm_fops.c68
1 files changed, 22 insertions, 46 deletions
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 3b159cab3bc..7bc51bac450 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -39,9 +39,9 @@
#include <linux/poll.h>
static int drm_open_helper(struct inode *inode, struct file *filp,
- drm_device_t * dev);
+ struct drm_device * dev);
-static int drm_setup(drm_device_t * dev)
+static int drm_setup(struct drm_device * dev)
{
drm_local_map_t *map;
int i;
@@ -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;
@@ -135,7 +128,7 @@ static int drm_setup(drm_device_t * dev)
*/
int drm_open(struct inode *inode, struct file *filp)
{
- drm_device_t *dev = NULL;
+ struct drm_device *dev = NULL;
int minor = iminor(inode);
int retcode = 0;
@@ -174,7 +167,7 @@ EXPORT_SYMBOL(drm_open);
*/
int drm_stub_open(struct inode *inode, struct file *filp)
{
- drm_device_t *dev = NULL;
+ struct drm_device *dev = NULL;
int minor = iminor(inode);
int err = -ENODEV;
const struct file_operations *old_fops;
@@ -230,10 +223,10 @@ static int drm_cpu_valid(void)
* filp and add it into the double linked list in \p dev.
*/
static int drm_open_helper(struct inode *inode, struct file *filp,
- drm_device_t * dev)
+ struct drm_device * dev)
{
int minor = iminor(inode);
- drm_file_t *priv;
+ struct drm_file *priv;
int ret;
if (filp->f_flags & O_EXCL)
@@ -258,6 +251,8 @@ 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);
+
if (dev->driver->open) {
ret = dev->driver->open(dev, priv);
if (ret < 0)
@@ -265,19 +260,10 @@ 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__
@@ -309,8 +295,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
/** No-op. */
int drm_fasync(int fd, struct file *filp, int on)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
+ struct drm_file *priv = filp->private_data;
+ struct drm_device *dev = priv->head->dev;
int retcode;
DRM_DEBUG("fd = %d, device = 0x%lx\n", fd,
@@ -336,8 +322,8 @@ EXPORT_SYMBOL(drm_fasync);
*/
int drm_release(struct inode *inode, struct file *filp)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
+ struct drm_file *priv = filp->private_data;
+ struct drm_device *dev;
int retcode = 0;
lock_kernel();
@@ -414,10 +400,10 @@ int drm_release(struct inode *inode, struct file *filp)
drm_fasync(-1, filp, 0);
mutex_lock(&dev->ctxlist_mutex);
- if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) {
- drm_ctx_list_t *pos, *n;
+ if (!list_empty(&dev->ctxlist)) {
+ struct drm_ctx_list *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)
@@ -436,22 +422,12 @@ int drm_release(struct inode *inode, struct file *filp)
mutex_lock(&dev->struct_mutex);
if (priv->remove_auth_on_close == 1) {
- drm_file_t *temp = dev->file_first;
- while (temp) {
+ struct drm_file *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)