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drm: Rename drm_connector_unplug_all() to drm_connector_unregister_all()

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Current name is a bit misleading because what that helper function
really does it calls drm_connector_unregister() for all connectors.

This all has nothing to do with hotplugging so let's name things
properly.

And while at it remove potentially dangerous locking around
drm_connector_unregister() in rcar_du_remove() as mentioned
in kerneldoc for drm_connector_unregister_all().

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: linux-renesas-soc@vger.kernel.org
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1458722577-20283-2-git-send-email-abrodkin@synopsys.com
This commit is contained in:
Alexey Brodkin 2016-03-23 11:42:54 +03:00 committed by Daniel Vetter
parent 11622d4c63
commit 6c87e5c3ec
4 changed files with 13 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/gpu/drm/drm_crtc.c
View File

@ -1078,25 +1078,25 @@ void drm_connector_unregister(struct drm_connector *connector)
}
EXPORT_SYMBOL(drm_connector_unregister);
/**
* drm_connector_unplug_all - unregister connector userspace interfaces
* drm_connector_unregister_all - unregister connector userspace interfaces
* @dev: drm device
*
* This function unregisters all connector userspace interfaces in sysfs. Should
* be call when the device is disconnected, e.g. from an usb driver's
* ->disconnect callback.
* This functions unregisters all connectors from sysfs and other places so
* that userspace can no longer access them. Drivers should call this as the
* first step tearing down the device instace, or when the underlying
* physical device disappeared (e.g. USB unplug), right before calling
* drm_dev_unregister().
*/
void drm_connector_unplug_all(struct drm_device *dev)
void drm_connector_unregister_all(struct drm_device *dev)
{
struct drm_connector *connector;
/* FIXME: taking the mode config mutex ends up in a clash with sysfs */
list_for_each_entry(connector, &dev->mode_config.connector_list, head)
drm_for_each_connector(connector, dev)
drm_connector_unregister(connector);
}
EXPORT_SYMBOL(drm_connector_unplug_all);
EXPORT_SYMBOL(drm_connector_unregister_all);
/**
* drm_encoder_init - Init a preallocated encoder

5
drivers/gpu/drm/rcar-du/rcar_du_drv.c
View File

@ -278,10 +278,7 @@ static int rcar_du_remove(struct platform_device *pdev)
struct rcar_du_device *rcdu = platform_get_drvdata(pdev);
struct drm_device *ddev = rcdu->ddev;
mutex_lock(&ddev->mode_config.mutex);
drm_connector_unplug_all(ddev);
mutex_unlock(&ddev->mode_config.mutex);
drm_connector_unregister_all(ddev);
drm_dev_unregister(ddev);
if (rcdu->fbdev)

2
drivers/gpu/drm/udl/udl_drv.c
View File

@ -94,7 +94,7 @@ static void udl_usb_disconnect(struct usb_interface *interface)
struct drm_device *dev = usb_get_intfdata(interface);
drm_kms_helper_poll_disable(dev);
drm_connector_unplug_all(dev);
drm_connector_unregister_all(dev);
udl_fbdev_unplug(dev);
udl_drop_usb(dev);
drm_unplug_dev(dev);

4
include/drm/drm_crtc.h
View File

@ -2253,8 +2253,8 @@ void drm_connector_unregister(struct drm_connector *connector);
extern void drm_connector_cleanup(struct drm_connector *connector);
extern unsigned int drm_connector_index(struct drm_connector *connector);
/* helper to unplug all connectors from sysfs for device */
extern void drm_connector_unplug_all(struct drm_device *dev);
/* helper to unregister all connectors from sysfs for device */
extern void drm_connector_unregister_all(struct drm_device *dev);
extern int drm_bridge_add(struct drm_bridge *bridge);
extern void drm_bridge_remove(struct drm_bridge *bridge);