diff options
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/drm_pci.c | 56 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_platform.c | 54 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_stub.c | 101 | ||||
-rw-r--r-- | drivers/gpu/drm/drm_usb.c | 48 |
4 files changed, 95 insertions, 164 deletions
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index d2758be37a9..743589dc47c 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -328,7 +328,7 @@ int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, ret = pci_enable_device(pdev); if (ret) - goto err_g1; + goto err_free; dev->pdev = pdev; dev->pci_device = pdev->device; @@ -338,65 +338,23 @@ int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, dev->hose = pdev->sysdata; #endif - mutex_lock(&drm_global_mutex); - - if ((ret = drm_fill_in_dev(dev, ent, driver))) { - printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); - goto err_g2; - } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { + 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 (drm_core_check_feature(dev, DRIVER_RENDER) && drm_rnodes) { - ret = drm_get_minor(dev, &dev->render, DRM_MINOR_RENDER); - if (ret) - goto err_g21; - } - if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY))) - goto err_g3; - - 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); + ret = drm_dev_register(dev, ent->driver_data); + if (ret) + goto err_pci; DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", driver->name, driver->major, driver->minor, driver->patchlevel, driver->date, pci_name(pdev), dev->primary->index); - mutex_unlock(&drm_global_mutex); return 0; -err_g4: - drm_put_minor(&dev->primary); -err_g3: - if (dev->render) - drm_put_minor(&dev->render); -err_g21: - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_put_minor(&dev->control); -err_g2: +err_pci: pci_disable_device(pdev); -err_g1: +err_free: kfree(dev); - mutex_unlock(&drm_global_mutex); return ret; } EXPORT_SYMBOL(drm_get_pci_dev); diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c index fb2721738a8..a0f91f85651 100644 --- a/drivers/gpu/drm/drm_platform.c +++ b/drivers/gpu/drm/drm_platform.c @@ -53,48 +53,9 @@ static int drm_get_platform_dev(struct platform_device *platdev, dev->platformdev = platdev; - 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; - } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); - if (ret) - goto err_g1; - } - - if (drm_core_check_feature(dev, DRIVER_RENDER) && drm_rnodes) { - ret = drm_get_minor(dev, &dev->render, DRM_MINOR_RENDER); - if (ret) - goto err_g11; - } - - ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); + ret = drm_dev_register(dev, 0); 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); - - mutex_unlock(&drm_global_mutex); + goto err_free; DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, driver->major, driver->minor, driver->patchlevel, @@ -102,17 +63,8 @@ static int drm_get_platform_dev(struct platform_device *platdev, return 0; -err_g3: - drm_put_minor(&dev->primary); -err_g2: - if (dev->render) - drm_put_minor(&dev->render); -err_g11: - if (drm_core_check_feature(dev, DRIVER_MODESET)) - drm_put_minor(&dev->control); -err_g1: +err_free: kfree(dev); - mutex_unlock(&drm_global_mutex); return ret; } diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 64bd52f1319..432994aafc3 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -254,25 +254,6 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data, return 0; } -int drm_fill_in_dev(struct drm_device *dev, - const struct pci_device_id *ent, - struct drm_driver *driver) -{ - int retcode; - - if (dev->driver->bus->agp_init) { - retcode = dev->driver->bus->agp_init(dev); - if (retcode) { - drm_lastclose(dev); - return retcode; - } - } - - return 0; -} -EXPORT_SYMBOL(drm_fill_in_dev); - - /** * Get a secondary minor number. * @@ -452,6 +433,8 @@ EXPORT_SYMBOL(drm_unplug_dev); * @parent: Parent device object * * Allocate and initialize a new DRM device. No device registration is done. + * Call drm_dev_register() to advertice the device to user space and register it + * with other core subsystems. * * RETURNS: * Pointer to new DRM device, or NULL if out of memory. @@ -517,3 +500,83 @@ err_free: return NULL; } EXPORT_SYMBOL(drm_dev_alloc); + +/** + * drm_dev_register - Register DRM device + * @dev: Device to register + * + * Register the DRM device @dev with the system, advertise device to user-space + * and start normal device operation. @dev must be allocated via drm_dev_alloc() + * previously. + * + * Never call this twice on any device! + * + * RETURNS: + * 0 on success, negative error code on failure. + */ +int drm_dev_register(struct drm_device *dev, unsigned long flags) +{ + int ret; + + mutex_lock(&drm_global_mutex); + + if (dev->driver->bus->agp_init) { + ret = dev->driver->bus->agp_init(dev); + if (ret) + goto out_unlock; + } + + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL); + if (ret) + goto err_agp; + } + + if (drm_core_check_feature(dev, DRIVER_RENDER) && drm_rnodes) { + ret = drm_get_minor(dev, &dev->render, DRM_MINOR_RENDER); + if (ret) + goto err_control_node; + } + + ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); + if (ret) + goto err_render_node; + + if (dev->driver->load) { + ret = dev->driver->load(dev, flags); + if (ret) + goto err_primary_node; + } + + /* setup grouping for legacy outputs */ + if (drm_core_check_feature(dev, DRIVER_MODESET)) { + ret = drm_mode_group_init_legacy_group(dev, + &dev->primary->mode_group); + if (ret) + goto err_unload; + } + + list_add_tail(&dev->driver_item, &dev->driver->device_list); + + ret = 0; + goto out_unlock; + +err_unload: + if (dev->driver->unload) + dev->driver->unload(dev); +err_primary_node: + drm_put_minor(&dev->primary); +err_render_node: + if (dev->render) + drm_put_minor(&dev->render); +err_control_node: + if (dev->control) + drm_put_minor(&dev->control); +err_agp: + if (dev->driver->bus->agp_destroy) + dev->driver->bus->agp_destroy(dev); +out_unlock: + mutex_unlock(&drm_global_mutex); + return ret; +} +EXPORT_SYMBOL(drm_dev_register); diff --git a/drivers/gpu/drm/drm_usb.c b/drivers/gpu/drm/drm_usb.c index 34ad8edfe80..5ef353f77b5 100644 --- a/drivers/gpu/drm/drm_usb.c +++ b/drivers/gpu/drm/drm_usb.c @@ -16,45 +16,11 @@ int drm_get_usb_dev(struct usb_interface *interface, return -ENOMEM; dev->usbdev = interface_to_usbdev(interface); - - 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; - - if (drm_core_check_feature(dev, DRIVER_RENDER) && drm_rnodes) { - ret = drm_get_minor(dev, &dev->render, DRM_MINOR_RENDER); - if (ret) - goto err_g11; - } - ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY); + ret = drm_dev_register(dev, 0); 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); + goto err_free; DRM_INFO("Initialized %s %d.%d.%d %s on minor %d\n", driver->name, driver->major, driver->minor, driver->patchlevel, @@ -62,16 +28,8 @@ int drm_get_usb_dev(struct usb_interface *interface, return 0; -err_g3: - drm_put_minor(&dev->primary); -err_g2: - if (dev->render) - drm_put_minor(&dev->render); -err_g11: - drm_put_minor(&dev->control); -err_g1: +err_free: kfree(dev); - mutex_unlock(&drm_global_mutex); return ret; } |