#include <linux/module.h>
#include <linux/moduleparam.h>
+#include <linux/slab.h>
#include "drmP.h"
#include "drm_core.h"
struct class *drm_class;
struct proc_dir_entry *drm_proc_root;
-
+struct dentry *drm_debugfs_root;
+void drm_ut_debug_printk(unsigned int request_level,
+ const char *prefix,
+ const char *function_name,
+ const char *format, ...)
+{
+ va_list args;
+
+ if (drm_debug & request_level) {
+ if (function_name)
+ printk(KERN_DEBUG "[%s:%s], ", prefix, function_name);
+ va_start(args, format);
+ vprintk(format, args);
+ va_end(args);
+ }
+}
+EXPORT_SYMBOL(drm_ut_debug_printk);
static int drm_minor_get_id(struct drm_device *dev, int type)
{
int new_id;
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");
return new_id;
}
+struct drm_master *drm_master_create(struct drm_minor *minor)
+{
+ struct drm_master *master;
+
+ master = kzalloc(sizeof(*master), GFP_KERNEL);
+ 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;
+}
+EXPORT_SYMBOL(drm_master_get);
+
+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;
+ struct drm_map_list *r_list, *list_temp;
+
+ list_del(&master->head);
+
+ if (dev->driver->master_destroy)
+ dev->driver->master_destroy(dev, master);
+
+ list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) {
+ if (r_list->master == master) {
+ drm_rmmap_locked(dev, r_list->map);
+ r_list = NULL;
+ }
+ }
+
+ if (master->unique) {
+ kfree(master->unique);
+ 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);
+ kfree(pt);
+ }
+
+ drm_ht_remove(&master->magiclist);
+
+ kfree(master);
+}
+
+void drm_master_put(struct drm_master **master)
+{
+ kref_put(&(*master)->refcount, drm_master_destroy);
+ *master = NULL;
+}
+EXPORT_SYMBOL(drm_master_put);
+
+int drm_setmaster_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ int ret = 0;
+
+ if (file_priv->is_master)
+ return 0;
+
+ 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);
+ file_priv->is_master = 1;
+ if (dev->driver->master_set) {
+ ret = dev->driver->master_set(dev, file_priv, false);
+ if (unlikely(ret != 0)) {
+ file_priv->is_master = 0;
+ drm_master_put(&file_priv->minor->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->is_master)
+ return -EINVAL;
+
+ if (!file_priv->minor->master)
+ return -EINVAL;
+
+ mutex_lock(&dev->struct_mutex);
+ if (dev->driver->master_drop)
+ dev->driver->master_drop(dev, file_priv, false);
+ drm_master_put(&file_priv->minor->master);
+ file_priv->is_master = 0;
+ 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)
INIT_LIST_HEAD(&dev->ctxlist);
INIT_LIST_HEAD(&dev->vmalist);
INIT_LIST_HEAD(&dev->maplist);
+ INIT_LIST_HEAD(&dev->vblank_event_list);
spin_lock_init(&dev->count_lock);
spin_lock_init(&dev->drw_lock);
- spin_lock_init(&dev->tasklet_lock);
- spin_lock_init(&dev->lock.spinlock);
+ spin_lock_init(&dev->event_lock);
init_timer(&dev->timer);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
#ifdef __alpha__
dev->hose = pdev->sysdata;
#endif
- dev->irq = pdev->irq;
if (drm_ht_create(&dev->map_hash, 12)) {
return -ENOMEM;
}
}
- if (dev->driver->load)
- if ((retcode = dev->driver->load(dev, ent->driver_data)))
- goto error_out_unreg;
retcode = drm_ctxbitmap_init(dev);
if (retcode) {
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);
goto err_mem;
}
} else
- new_minor->dev_root = NULL;
+ new_minor->proc_root = NULL;
+
+#if defined(CONFIG_DEBUG_FS)
+ ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root);
+ if (ret) {
+ DRM_ERROR("DRM: Failed to initialize /sys/kernel/debug/dri.\n");
+ goto err_g2;
+ }
+#endif
ret = drm_sysfs_device_add(new_minor);
if (ret) {
DRM_DEBUG("\n");
- dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB);
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
printk(KERN_ERR "DRM: Fill_in_dev failed.\n");
goto err_g2;
}
+
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ pci_set_drvdata(pdev, dev);
+ ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
+ if (ret)
+ goto err_g2;
+ }
+
if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
- goto err_g2;
+ goto err_g3;
- DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n",
+ if (dev->driver->load) {
+ ret = dev->driver->load(dev, ent->driver_data);
+ if (ret)
+ goto err_g4;
+ }
+
+ /* setup the grouping for the legacy output */
+ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group);
+ if (ret)
+ goto err_g4;
+ }
+
+ list_add_tail(&dev->driver_item, &driver->device_list);
+
+ DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n",
driver->name, driver->major, driver->minor, driver->patchlevel,
- driver->date, dev->primary->index);
+ driver->date, pci_name(pdev), dev->primary->index);
return 0;
+err_g4:
+ drm_put_minor(&dev->primary);
+err_g3:
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_put_minor(&dev->control);
err_g2:
pci_disable_device(pdev);
err_g1:
- drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
+ kfree(dev);
return ret;
}
-
-/**
- * Put a device minor number.
- *
- * \param dev device data structure
- * \return always zero
- *
- * Cleans up the proc resources. If it is the last minor then release the foreign
- * "drm" data, otherwise unregisters the "drm" data, frees the dev list and
- * unregisters the character device.
- */
-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);
- dev->devname = NULL;
- }
- drm_free(dev, sizeof(*dev), DRM_MEM_STUB);
- return 0;
-}
+EXPORT_SYMBOL(drm_get_dev);
/**
* Put a secondary minor number.
if (minor->type == DRM_MINOR_LEGACY)
drm_proc_cleanup(minor, drm_proc_root);
+#if defined(CONFIG_DEBUG_FS)
+ drm_debugfs_cleanup(minor);
+#endif
+
drm_sysfs_device_remove(minor);
idr_remove(&drm_minors_idr, minor->index);
*minor_p = NULL;
return 0;
}
+
+/**
+ * Called via drm_exit() at module unload time or when pci device is
+ * unplugged.
+ *
+ * Cleans up all DRM device, calling drm_lastclose().
+ *
+ * \sa drm_init
+ */
+void drm_put_dev(struct drm_device *dev)
+{
+ struct drm_driver *driver;
+ struct drm_map_list *r_list, *list_temp;
+
+ DRM_DEBUG("\n");
+
+ if (!dev) {
+ DRM_ERROR("cleanup called no dev\n");
+ return;
+ }
+ driver = dev->driver;
+
+ drm_lastclose(dev);
+
+ if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
+ dev->agp && dev->agp->agp_mtrr >= 0) {
+ int retval;
+ retval = mtrr_del(dev->agp->agp_mtrr,
+ dev->agp->agp_info.aper_base,
+ dev->agp->agp_info.aper_size * 1024 * 1024);
+ DRM_DEBUG("mtrr_del=%d\n", retval);
+ }
+
+ if (dev->driver->unload)
+ dev->driver->unload(dev);
+
+ if (drm_core_has_AGP(dev) && dev->agp) {
+ kfree(dev->agp);
+ dev->agp = NULL;
+ }
+
+ drm_vblank_cleanup(dev);
+
+ list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
+ drm_rmmap(dev, r_list->map);
+ drm_ht_remove(&dev->map_hash);
+
+ drm_ctxbitmap_cleanup(dev);
+
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_put_minor(&dev->control);
+
+ if (driver->driver_features & DRIVER_GEM)
+ drm_gem_destroy(dev);
+
+ drm_put_minor(&dev->primary);
+
+ if (dev->devname) {
+ kfree(dev->devname);
+ dev->devname = NULL;
+ }
+ kfree(dev);
+}
+EXPORT_SYMBOL(drm_put_dev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff