Lines Matching full:minor

81  * device. However, this doesn't mean that the minor is active. Minors are
100 struct drm_minor *minor = data; in drm_minor_alloc_release() local
103 WARN_ON(dev != minor->dev); in drm_minor_alloc_release()
105 put_device(minor->kdev); in drm_minor_alloc_release()
108 idr_remove(&drm_minors_idr, minor->index); in drm_minor_alloc_release()
114 struct drm_minor *minor; in drm_minor_alloc() local
118 minor = drmm_kzalloc(dev, sizeof(*minor), GFP_KERNEL); in drm_minor_alloc()
119 if (!minor) in drm_minor_alloc()
122 minor->type = type; in drm_minor_alloc()
123 minor->dev = dev; in drm_minor_alloc()
138 minor->index = r; in drm_minor_alloc()
140 r = drmm_add_action_or_reset(dev, drm_minor_alloc_release, minor); in drm_minor_alloc()
144 minor->kdev = drm_sysfs_minor_alloc(minor); in drm_minor_alloc()
145 if (IS_ERR(minor->kdev)) in drm_minor_alloc()
146 return PTR_ERR(minor->kdev); in drm_minor_alloc()
148 *drm_minor_get_slot(dev, type) = minor; in drm_minor_alloc()
154 struct drm_minor *minor; in drm_minor_register() local
160 minor = *drm_minor_get_slot(dev, type); in drm_minor_register()
161 if (!minor) in drm_minor_register()
164 ret = drm_debugfs_init(minor, minor->index, drm_debugfs_root); in drm_minor_register()
170 ret = device_add(minor->kdev); in drm_minor_register()
174 /* replace NULL with @minor so lookups will succeed from now on */ in drm_minor_register()
176 idr_replace(&drm_minors_idr, minor, minor->index); in drm_minor_register()
179 DRM_DEBUG("new minor registered %d\n", minor->index); in drm_minor_register()
183 drm_debugfs_cleanup(minor); in drm_minor_register()
189 struct drm_minor *minor; in drm_minor_unregister() local
192 minor = *drm_minor_get_slot(dev, type); in drm_minor_unregister()
193 if (!minor || !device_is_registered(minor->kdev)) in drm_minor_unregister()
196 /* replace @minor with NULL so lookups will fail from now on */ in drm_minor_unregister()
198 idr_replace(&drm_minors_idr, NULL, minor->index); in drm_minor_unregister()
201 device_del(minor->kdev); in drm_minor_unregister()
202 dev_set_drvdata(minor->kdev, NULL); /* safety belt */ in drm_minor_unregister()
203 drm_debugfs_cleanup(minor); in drm_minor_unregister()
207 * Looks up the given minor-ID and returns the respective DRM-minor object. The
211 * As long as you hold this minor, it is guaranteed that the object and the
212 * minor->dev pointer will stay valid! However, the device may get unplugged and
213 * unregistered while you hold the minor.
217 struct drm_minor *minor; in drm_minor_acquire() local
221 minor = idr_find(&drm_minors_idr, minor_id); in drm_minor_acquire()
222 if (minor) in drm_minor_acquire()
223 drm_dev_get(minor->dev); in drm_minor_acquire()
226 if (!minor) { in drm_minor_acquire()
228 } else if (drm_dev_is_unplugged(minor->dev)) { in drm_minor_acquire()
229 drm_dev_put(minor->dev); in drm_minor_acquire()
233 return minor; in drm_minor_acquire()
236 void drm_minor_release(struct drm_minor *minor) in drm_minor_release() argument
238 drm_dev_put(minor->dev); in drm_minor_release()
791 struct drm_minor *minor; in create_compat_control_link() local
798 minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY); in create_compat_control_link()
799 if (!minor) in create_compat_control_link()
811 name = kasprintf(GFP_KERNEL, "controlD%d", minor->index + 64); in create_compat_control_link()
815 ret = sysfs_create_link(minor->kdev->kobj.parent, in create_compat_control_link()
816 &minor->kdev->kobj, in create_compat_control_link()
826 struct drm_minor *minor; in remove_compat_control_link() local
832 minor = *drm_minor_get_slot(dev, DRM_MINOR_PRIMARY); in remove_compat_control_link()
833 if (!minor) in remove_compat_control_link()
836 name = kasprintf(GFP_KERNEL, "controlD%d", minor->index + 64); in remove_compat_control_link()
840 sysfs_remove_link(minor->kdev->kobj.parent, name); in remove_compat_control_link()
901 DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", in drm_dev_register()
902 driver->name, driver->major, driver->minor, in drm_dev_register()
987 * - DRM minor management
992 * interface registered on a DRM device, you can request minor numbers from DRM
995 * registered minor.
1001 struct drm_minor *minor; in drm_stub_open() local
1006 minor = drm_minor_acquire(iminor(inode)); in drm_stub_open()
1007 if (IS_ERR(minor)) in drm_stub_open()
1008 return PTR_ERR(minor); in drm_stub_open()
1010 new_fops = fops_get(minor->dev->driver->fops); in drm_stub_open()
1023 drm_minor_release(minor); in drm_stub_open()