diff options
| -rw-r--r-- | drivers/gpu/drm/drm_lease.c | 131 |
1 files changed, 8 insertions, 123 deletions
diff --git a/drivers/gpu/drm/drm_lease.c b/drivers/gpu/drm/drm_lease.c index 79be797e8689..dee4f24a1808 100644 --- a/drivers/gpu/drm/drm_lease.c +++ b/drivers/gpu/drm/drm_lease.c @@ -71,14 +71,6 @@ static uint64_t drm_lease_idr_object; -/** - * drm_lease_owner - return ancestor owner drm_master - * @master: drm_master somewhere within tree of lessees and lessors - * - * RETURN: - * - * drm_master at the top of the tree (i.e, with lessor NULL - */ struct drm_master *drm_lease_owner(struct drm_master *master) { while (master->lessor != NULL) @@ -86,16 +78,6 @@ struct drm_master *drm_lease_owner(struct drm_master *master) return master; } -/** - * _drm_find_lessee - find lessee by id (idr_mutex held) - * @master: drm_master of lessor - * @lessee_id: id - * - * RETURN: - * - * drm_master of the lessee if valid, NULL otherwise - */ - static struct drm_master* _drm_find_lessee(struct drm_master *master, int lessee_id) { @@ -103,17 +85,6 @@ _drm_find_lessee(struct drm_master *master, int lessee_id) return idr_find(&drm_lease_owner(master)->lessee_idr, lessee_id); } -/** - * _drm_lease_held_master - check to see if an object is leased (or owned) by master (idr_mutex held) - * @master: the master to check the lease status of - * @id: the id to check - * - * Checks if the specified master holds a lease on the object. Return - * value: - * - * true 'master' holds a lease on (or owns) the object - * false 'master' does not hold a lease. - */ static int _drm_lease_held_master(struct drm_master *master, int id) { lockdep_assert_held(&master->dev->mode_config.idr_mutex); @@ -122,17 +93,7 @@ static int _drm_lease_held_master(struct drm_master *master, int id) return true; } -/** - * _drm_has_leased - check to see if an object has been leased (idr_mutex held) - * @master: the master to check the lease status of - * @id: the id to check - * - * Checks if any lessee of 'master' holds a lease on 'id'. Return - * value: - * - * true Some lessee holds a lease on the object. - * false No lessee has a lease on the object. - */ +/* Checks if the given object has been leased to some lessee of drm_master */ static bool _drm_has_leased(struct drm_master *master, int id) { struct drm_master *lessee; @@ -144,17 +105,7 @@ static bool _drm_has_leased(struct drm_master *master, int id) return false; } -/** - * _drm_lease_held - check drm_mode_object lease status (idr_mutex held) - * @file_priv: the master drm_file - * @id: the object id - * - * Checks if the specified master holds a lease on the object. Return - * value: - * - * true 'master' holds a lease on (or owns) the object - * false 'master' does not hold a lease. - */ +/* Called with idr_mutex held */ bool _drm_lease_held(struct drm_file *file_priv, int id) { bool ret; @@ -172,17 +123,6 @@ bool _drm_lease_held(struct drm_file *file_priv, int id) return ret; } -/** - * drm_lease_held - check drm_mode_object lease status (idr_mutex not held) - * @file_priv: the master drm_file - * @id: the object id - * - * Checks if the specified master holds a lease on the object. Return - * value: - * - * true 'master' holds a lease on (or owns) the object - * false 'master' does not hold a lease. - */ bool drm_lease_held(struct drm_file *file_priv, int id) { struct drm_master *master; @@ -207,13 +147,9 @@ out: return ret; } -/** - * drm_lease_filter_crtcs - restricted crtc set to leased values (idr_mutex not held) - * @file_priv: requestor file - * @crtcs_in: bitmask of crtcs to check - * - * Reconstructs a crtc mask based on the crtcs which are visible - * through the specified file. +/* + * Given a bitmask of crtcs to check, reconstructs a crtc mask based on the + * crtcs which are visible through the specified file. */ uint32_t drm_lease_filter_crtcs(struct drm_file *file_priv, uint32_t crtcs_in) { @@ -258,10 +194,6 @@ out: } /* - * drm_lease_create - create a new drm_master with leased objects (idr_mutex not held) - * @lessor: lease holder (or owner) of objects - * @leases: objects to lease to the new drm_master - * * Uses drm_master_create to allocate a new drm_master, then checks to * make sure all of the desired objects can be leased, atomically * leasing them to the new drmmaster. @@ -330,15 +262,6 @@ out_lessee: return ERR_PTR(error); } -/** - * drm_lease_destroy - a master is going away (idr_mutex not held) - * @master: the drm_master being destroyed - * - * All lessees will have been destroyed as they - * hold a reference on their lessor. Notify any - * lessor for this master so that it can check - * the list of lessees. - */ void drm_lease_destroy(struct drm_master *master) { struct drm_device *dev = master->dev; @@ -372,10 +295,6 @@ void drm_lease_destroy(struct drm_master *master) DRM_DEBUG_LEASE("drm_lease_destroy done %d\n", master->lessee_id); } -/** - * _drm_lease_revoke - revoke access to all leased objects (idr_mutex held) - * @top: the master losing its lease - */ static void _drm_lease_revoke(struct drm_master *top) { int object; @@ -414,10 +333,6 @@ static void _drm_lease_revoke(struct drm_master *top) } } -/** - * drm_lease_revoke - revoke access to all leased objects (idr_mutex not held) - * @top: the master losing its lease - */ void drm_lease_revoke(struct drm_master *top) { mutex_lock(&top->dev->mode_config.idr_mutex); @@ -549,12 +464,7 @@ out_free_objects: return ret; } -/** - * drm_mode_create_lease_ioctl - create a new lease - * @dev: the drm device - * @data: pointer to struct drm_mode_create_lease - * @lessor_priv: the file being manipulated - * +/* * The master associated with the specified file will have a lease * created containing the objects specified in the ioctl structure. * A file descriptor will be allocated for that and returned to the @@ -676,18 +586,6 @@ out_lessor: return ret; } -/** - * drm_mode_list_lessees_ioctl - list lessee ids - * @dev: the drm device - * @data: pointer to struct drm_mode_list_lessees - * @lessor_priv: the file being manipulated - * - * Starting from the master associated with the specified file, - * the master with the provided lessee_id is found, and then - * an array of lessee ids associated with leases from that master - * are returned. - */ - int drm_mode_list_lessees_ioctl(struct drm_device *dev, void *data, struct drm_file *lessor_priv) { @@ -734,15 +632,7 @@ int drm_mode_list_lessees_ioctl(struct drm_device *dev, return ret; } -/** - * drm_mode_get_lease_ioctl - list leased objects - * @dev: the drm device - * @data: pointer to struct drm_mode_get_lease - * @lessee_priv: the file being manipulated - * - * Return the list of leased objects for the specified lessee - */ - +/* Return the list of leased objects for the specified lessee */ int drm_mode_get_lease_ioctl(struct drm_device *dev, void *data, struct drm_file *lessee_priv) { @@ -796,12 +686,7 @@ int drm_mode_get_lease_ioctl(struct drm_device *dev, return ret; } -/** - * drm_mode_revoke_lease_ioctl - revoke lease - * @dev: the drm device - * @data: pointer to struct drm_mode_revoke_lease - * @lessor_priv: the file being manipulated - * +/* * This removes all of the objects from the lease without * actually getting rid of the lease itself; that way all * references to it still work correctly |