summaryrefslogtreecommitdiff
path: root/linux-core/drm_stub.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux-core/drm_stub.c')
-rw-r--r--linux-core/drm_stub.c149
1 files changed, 21 insertions, 128 deletions
diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c
index cd6cd4b5..1518bc6d 100644
--- a/linux-core/drm_stub.c
+++ b/linux-core/drm_stub.c
@@ -58,14 +58,6 @@ static int drm_minor_get_id(struct drm_device *dev, int type)
int ret;
int base = 0, limit = 63;
- if (type == DRM_MINOR_CONTROL) {
- base += 64;
- limit = base + 127;
- } else if (type == DRM_MINOR_RENDER) {
- base += 128;
- limit = base + 255;
- }
-
again:
if (idr_pre_get(&drm_minors_idr, GFP_KERNEL) == 0) {
DRM_ERROR("Out of memory expanding drawable idr\n");
@@ -88,103 +80,6 @@ again:
return new_id;
}
-struct drm_master *drm_master_create(struct drm_minor *minor)
-{
- struct drm_master *master;
-
- master = drm_calloc(1, sizeof(*master), DRM_MEM_DRIVER);
- if (!master)
- return NULL;
-
- kref_init(&master->refcount);
- spin_lock_init(&master->lock.spinlock);
- init_waitqueue_head(&master->lock.lock_queue);
- drm_ht_create(&master->magiclist, DRM_MAGIC_HASH_ORDER);
- INIT_LIST_HEAD(&master->magicfree);
- master->minor = minor;
-
- list_add_tail(&master->head, &minor->master_list);
-
- return master;
-}
-
-struct drm_master *drm_master_get(struct drm_master *master)
-{
- kref_get(&master->refcount);
- return master;
-}
-
-static void drm_master_destroy(struct kref *kref)
-{
- struct drm_master *master = container_of(kref, struct drm_master, refcount);
- struct drm_magic_entry *pt, *next;
- struct drm_device *dev = master->minor->dev;
-
- list_del(&master->head);
-
- if (dev->driver->master_destroy)
- dev->driver->master_destroy(dev, master);
-
- if (master->unique) {
- drm_free(master->unique, strlen(master->unique) + 1, DRM_MEM_DRIVER);
- master->unique = NULL;
- master->unique_len = 0;
- }
-
- list_for_each_entry_safe(pt, next, &master->magicfree, head) {
- list_del(&pt->head);
- drm_ht_remove_item(&master->magiclist, &pt->hash_item);
- drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
- }
-
- drm_ht_remove(&master->magiclist);
-
- if (master->lock.hw_lock) {
- if (dev->sigdata.lock == master->lock.hw_lock)
- dev->sigdata.lock = NULL;
- master->lock.hw_lock = NULL; /* SHM removed */
- master->lock.file_priv = NULL;
- wake_up_interruptible(&master->lock.lock_queue);
- }
-
- drm_free(master, sizeof(*master), DRM_MEM_DRIVER);
-}
-
-void drm_master_put(struct drm_master **master)
-{
- kref_put(&(*master)->refcount, drm_master_destroy);
- *master = NULL;
-}
-
-int drm_setmaster_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- if (file_priv->minor->master && file_priv->minor->master != file_priv->master)
- return -EINVAL;
-
- if (!file_priv->master)
- return -EINVAL;
-
- if (!file_priv->minor->master && file_priv->minor->master != file_priv->master) {
- mutex_lock(&dev->struct_mutex);
- file_priv->minor->master = drm_master_get(file_priv->master);
- mutex_unlock(&dev->struct_mutex);
- }
-
- return 0;
-}
-
-int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- if (!file_priv->master)
- return -EINVAL;
- mutex_lock(&dev->struct_mutex);
- drm_master_put(&file_priv->minor->master);
- mutex_unlock(&dev->struct_mutex);
- return 0;
-}
-
static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
const struct pci_device_id *ent,
struct drm_driver *driver)
@@ -199,7 +94,7 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
spin_lock_init(&dev->count_lock);
spin_lock_init(&dev->drw_lock);
spin_lock_init(&dev->tasklet_lock);
-
+ spin_lock_init(&dev->lock.spinlock);
init_timer(&dev->timer);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
@@ -217,14 +112,21 @@ static int drm_fill_in_dev(struct drm_device * dev, struct pci_dev *pdev,
dev->irq = pdev->irq;
dev->irq_enabled = 0;
- if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER))
+ if (drm_ht_create(&dev->map_hash, DRM_MAP_HASH_ORDER)) {
return -ENOMEM;
+ }
if (drm_mm_init(&dev->offset_manager, DRM_FILE_PAGE_OFFSET_START,
DRM_FILE_PAGE_OFFSET_SIZE)) {
drm_ht_remove(&dev->map_hash);
return -ENOMEM;
}
+ if (drm_ht_create(&dev->object_hash, DRM_OBJECT_HASH_ORDER)) {
+ drm_ht_remove(&dev->map_hash);
+ drm_mm_takedown(&dev->offset_manager);
+ return -ENOMEM;
+ }
+
/* the DRM has 6 counters */
dev->counters = 6;
dev->types[0] = _DRM_STAT_LOCK;
@@ -311,7 +213,6 @@ static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int t
new_minor->device = MKDEV(DRM_MAJOR, minor_id);
new_minor->dev = dev;
new_minor->index = minor_id;
- INIT_LIST_HEAD(&new_minor->master_list);
idr_replace(&drm_minors_idr, new_minor, minor_id);
@@ -398,32 +299,20 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent,
}
/* only add the control node on a modesetting platform */
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- if ((ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL)))
- goto err_g3;
-
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
- goto err_g4;
+ goto err_g3;
if (dev->driver->load)
if ((ret = dev->driver->load(dev, ent->driver_data)))
- goto err_g5;
-
- /* setup the grouping for the legacy output */
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- if (drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group))
- goto err_g5;
+ goto err_g4;
DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
driver->date, dev->primary->index);
return 0;
-err_g5:
- drm_put_minor(&dev->primary);
err_g4:
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- drm_put_minor(&dev->control);
+ drm_put_minor(dev);
err_g3:
if (!drm_fb_loaded)
pci_disable_device(pdev);
@@ -455,6 +344,11 @@ int drm_put_dev(struct drm_device * dev)
{
DRM_DEBUG("release primary %s\n", dev->driver->pci_driver.name);
+ if (dev->unique) {
+ drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER);
+ dev->unique = NULL;
+ dev->unique_len = 0;
+ }
if (dev->devname) {
drm_free(dev->devname, strlen(dev->devname) + 1,
DRM_MEM_DRIVER);
@@ -474,14 +368,15 @@ int drm_put_dev(struct drm_device * dev)
* last minor released.
*
*/
-int drm_put_minor(struct drm_minor **minor_p)
+int drm_put_minor(struct drm_device *dev)
{
+ struct drm_minor **minor_p = &dev->primary;
struct drm_minor *minor = *minor_p;
DRM_DEBUG("release secondary minor %d\n", minor->index);
if (minor->type == DRM_MINOR_LEGACY) {
- if (minor->dev->driver->proc_cleanup)
- minor->dev->driver->proc_cleanup(minor);
+ if (dev->driver->proc_cleanup)
+ dev->driver->proc_cleanup(minor);
drm_proc_cleanup(minor, drm_proc_root);
}
drm_sysfs_device_remove(minor);
@@ -492,5 +387,3 @@ int drm_put_minor(struct drm_minor **minor_p)
*minor_p = NULL;
return 0;
}
-
-EXPORT_SYMBOL(drm_put_minor);