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drm/auth: Drop master_create/destroy hooks

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vmwgfx stopped using them.

With the drm device model that we've slowly evolved over the past few
years master status essentially controls access to display resources,
and nothing else. Since that's a pure access permission check drivers
should have no need at all to track additional state on a per file
basis.

Aside: For cleanup and restoring kernel-internal clients the grand
plan is to move everyone over to drm_client and
drm_master_internal_acquire/release, like the generic fbdev code
already does. That should get rid of most ->lastclose implementations,
and I think also subsumes any processing vmwgfx does in
master_set/drop.

Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Cc: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200127100203.1299322-1-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2020-01-27 11:02:03 +01:00
parent 3cb6d8e5cf
commit 86a9360be1
2 changed files with 0 additions and 22 deletions
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8
drivers/gpu/drm/drm_auth.c
View File

@ -153,11 +153,6 @@ static int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
return -ENOMEM;
}
if (dev->driver->master_create) {
ret = dev->driver->master_create(dev, fpriv->master);
if (ret)
goto out_err;
}
fpriv->is_master = 1;
fpriv->authenticated = 1;
@ -332,9 +327,6 @@ static void drm_master_destroy(struct kref *kref)
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_lease_destroy(master);
if (dev->driver->master_destroy)
dev->driver->master_destroy(dev, master);
drm_legacy_master_rmmaps(dev, master);
idr_destroy(&master->magic_map);

14
include/drm/drm_drv.h
View File

@ -457,20 +457,6 @@ struct drm_driver {
*/
void (*irq_uninstall) (struct drm_device *dev);
/**
* @master_create:
*
* Called whenever a new master is created. Only used by vmwgfx.
*/
int (*master_create)(struct drm_device *dev, struct drm_master *master);
/**
* @master_destroy:
*
* Called whenever a master is destroyed. Only used by vmwgfx.
*/
void (*master_destroy)(struct drm_device *dev, struct drm_master *master);
/**
* @master_set:
*