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Diffstat (limited to 'linux-core/drm_fops.c')
-rw-r--r--linux-core/drm_fops.c87
1 files changed, 56 insertions, 31 deletions
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index 7fe274a2..fcadc544 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -43,10 +43,8 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
static int drm_setup(struct drm_device * dev)
{
- drm_local_map_t *map;
int i;
int ret;
- int sareapage;
if (dev->driver->firstopen) {
ret = dev->driver->firstopen(dev);
@@ -54,14 +52,6 @@ static int drm_setup(struct drm_device * dev)
return ret;
}
- dev->magicfree.next = NULL;
-
- /* prebuild the SAREA */
- sareapage = max(SAREA_MAX, PAGE_SIZE);
- i = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK, &map);
- if (i != 0)
- return i;
-
atomic_set(&dev->ioctl_count, 0);
atomic_set(&dev->vma_count, 0);
dev->buf_use = 0;
@@ -76,11 +66,8 @@ static int drm_setup(struct drm_device * dev)
for (i = 0; i < ARRAY_SIZE(dev->counts); i++)
atomic_set(&dev->counts[i], 0);
- drm_ht_create(&dev->magiclist, DRM_MAGIC_HASH_ORDER);
- INIT_LIST_HEAD(&dev->magicfree);
-
dev->sigdata.lock = NULL;
- init_waitqueue_head(&dev->lock.lock_queue);
+
dev->queue_count = 0;
dev->queue_reserved = 0;
dev->queue_slots = 0;
@@ -260,6 +247,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
INIT_LIST_HEAD(&priv->lhead);
INIT_LIST_HEAD(&priv->refd_objects);
+ INIT_LIST_HEAD(&priv->fbs);
for (i = 0; i < _DRM_NO_REF_TYPES; ++i) {
ret = drm_ht_create(&priv->refd_object_hash[i],
@@ -280,10 +268,35 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
goto out_free;
}
+
+ /* if there is no current master make this fd it */
mutex_lock(&dev->struct_mutex);
- if (list_empty(&dev->filelist))
- priv->master = 1;
+ if (!priv->minor->master) {
+ priv->minor->master = drm_get_master(priv->minor);
+ if (!priv->minor->master) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
+ priv->is_master = 1;
+ priv->master = priv->minor->master;
+
+ mutex_unlock(&dev->struct_mutex);
+ if (dev->driver->master_create) {
+ ret = dev->driver->master_create(dev, priv->master);
+ if (ret) {
+ drm_put_master(priv->minor->master);
+ priv->minor->master = priv->master = NULL;
+ mutex_unlock(&dev->struct_mutex);
+ goto out_free;
+ }
+ }
+ } else {
+ priv->master = priv->minor->master;
+ mutex_unlock(&dev->struct_mutex);
+ }
+ mutex_lock(&dev->struct_mutex);
list_add(&priv->lhead, &dev->filelist);
mutex_unlock(&dev->struct_mutex);
@@ -389,23 +402,23 @@ int drm_release(struct inode *inode, struct file *filp)
current->pid, (long)old_encode_dev(file_priv->minor->device),
dev->open_count);
- if (dev->driver->reclaim_buffers_locked && dev->lock.hw_lock) {
+ if (dev->driver->reclaim_buffers_locked && file_priv->master->lock.hw_lock) {
if (drm_i_have_hw_lock(dev, file_priv)) {
dev->driver->reclaim_buffers_locked(dev, file_priv);
} else {
unsigned long _end=jiffies + 3*DRM_HZ;
int locked = 0;
- drm_idlelock_take(&dev->lock);
+ drm_idlelock_take(&file_priv->master->lock);
/*
* Wait for a while.
*/
do{
- spin_lock(&dev->lock.spinlock);
- locked = dev->lock.idle_has_lock;
- spin_unlock(&dev->lock.spinlock);
+ spin_lock(&file_priv->master->lock.spinlock);
+ locked = file_priv->master->lock.idle_has_lock;
+ spin_unlock(&file_priv->master->lock.spinlock);
if (locked)
break;
schedule();
@@ -418,24 +431,24 @@ int drm_release(struct inode *inode, struct file *filp)
}
dev->driver->reclaim_buffers_locked(dev, file_priv);
- drm_idlelock_release(&dev->lock);
+ drm_idlelock_release(&file_priv->master->lock);
}
}
- if (dev->driver->reclaim_buffers_idlelocked && dev->lock.hw_lock) {
+ if (dev->driver->reclaim_buffers_idlelocked && file_priv->master->lock.hw_lock) {
- drm_idlelock_take(&dev->lock);
+ drm_idlelock_take(&file_priv->master->lock);
dev->driver->reclaim_buffers_idlelocked(dev, file_priv);
- drm_idlelock_release(&dev->lock);
+ drm_idlelock_release(&file_priv->master->lock);
}
if (drm_i_have_hw_lock(dev, file_priv)) {
DRM_DEBUG("File %p released, freeing lock for context %d\n",
- filp, _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+ filp, _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
- drm_lock_free(&dev->lock,
- _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
+ drm_lock_free(&file_priv->master->lock,
+ _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock));
}
@@ -468,6 +481,16 @@ int drm_release(struct inode *inode, struct file *filp)
}
mutex_unlock(&dev->ctxlist_mutex);
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_fb_release(filp);
+
+ file_priv->master = NULL;
+
+ if (file_priv->is_master) {
+ drm_put_master(file_priv->minor->master);
+ file_priv->minor->master = NULL;
+ }
+
mutex_lock(&dev->struct_mutex);
drm_object_release(filp);
if (file_priv->remove_auth_on_close == 1) {
@@ -477,6 +500,8 @@ int drm_release(struct inode *inode, struct file *filp)
temp->authenticated = 0;
}
list_del(&file_priv->lhead);
+
+
mutex_unlock(&dev->struct_mutex);
if (dev->driver->postclose)
@@ -490,9 +515,9 @@ int drm_release(struct inode *inode, struct file *filp)
atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);
spin_lock(&dev->count_lock);
if (!--dev->open_count) {
- if (atomic_read(&dev->ioctl_count) || dev->blocked) {
- DRM_ERROR("Device busy: %d %d\n",
- atomic_read(&dev->ioctl_count), dev->blocked);
+ if (atomic_read(&dev->ioctl_count)) {
+ DRM_ERROR("Device busy: %d\n",
+ atomic_read(&dev->ioctl_count));
spin_unlock(&dev->count_lock);
unlock_kernel();
return -EBUSY;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 08:56:18 +0000