int drm_platform_init(struct drm_driver *driver) { struct drm_device *dev; int ret; DRM_DEBUG("\n"); dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB); if (!dev) return -ENOMEM; ret = drm_fill_in_platform_dev(dev, driver->platform_device, driver); if (ret) { printk(KERN_ERR "DRM: Fill_in_platform_dev failed.\n"); goto err_g1; } ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); if (ret) goto err_g1; list_add_tail(&dev->driver_item, &driver->device_list); 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_g1: drm_free(dev, sizeof(*dev), DRM_MEM_STUB); return ret; }
int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver) { struct drm_device *dev; int ret; DRM_DEBUG("\n"); dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB); if (!dev) return -ENOMEM; ret = pci_enable_device(pdev); if (ret) goto err_g1; pci_set_master(pdev); ret = drm_fill_in_pci_dev(dev, pdev, ent, driver); if (ret) { printk(KERN_ERR "DRM: Fill_in_pci_dev failed.\n"); goto err_g2; } ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); if (ret) goto err_g2; list_add_tail(&dev->driver_item, &driver->device_list); 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_g2: pci_disable_device(pdev); err_g1: kfree(dev); return ret; }
int drm_get_platform_dev(struct platform_device *platdev, struct drm_driver *driver) { struct drm_device *dev; int ret; DRM_DEBUG("\n"); dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; dev->platformdev = platdev; dev->dev = &platdev->dev; ret = drm_fill_in_dev(dev, NULL, driver); if (ret) { printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); goto err_g1; } if (drm_core_check_feature(dev, DRIVER_MODESET)) { dev_set_drvdata(&platdev->dev, dev); ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); if (ret) goto err_g1; } ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); if (ret) goto err_g2; if (dev->driver->load) { ret = dev->driver->load(dev, 0); if (ret) goto err_g3; } /* 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_g3; } list_add_tail(&dev->driver_item, &driver->device_list); 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_g3: drm_put_minor(&dev->primary); err_g2: if (drm_core_check_feature(dev, DRIVER_MODESET)) drm_put_minor(&dev->control); err_g1: kfree(dev); return ret; }
int drm_get_usb_dev(struct usb_interface *interface, const struct usb_device_id *id, struct drm_driver *driver) { struct drm_device *dev; struct usb_device *usbdev; int ret; DRM_DEBUG("\n"); dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) return -ENOMEM; usbdev = interface_to_usbdev(interface); dev->usbdev = usbdev; dev->dev = &usbdev->dev; mutex_lock(&drm_global_mutex); ret = drm_fill_in_dev(dev, NULL, driver); if (ret) { printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); goto err_g1; } usb_set_intfdata(interface, dev); ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); if (ret) goto err_g1; ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); if (ret) goto err_g2; if (dev->driver->load) { ret = dev->driver->load(dev, 0); if (ret) goto err_g3; } /* setup the grouping for the legacy output */ ret = drm_mode_group_init_legacy_group(dev, &dev->primary->mode_group); if (ret) goto err_g3; list_add_tail(&dev->driver_item, &driver->device_list); mutex_unlock(&drm_global_mutex); 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_g3: drm_put_minor(&dev->primary); err_g2: drm_put_minor(&dev->control); err_g1: kfree(dev); mutex_unlock(&drm_global_mutex); return ret; }