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authorDaniel Vetter2016-06-14 20:50:58 +0200
committerDaniel Vetter2016-06-16 10:16:58 +0200
commit34a839c689b093dac6bccc4e0aa6feffcf4c970e (patch)
tree4a6a6414c47a98daae69d218c100a6a8a846d736 /drivers/gpu/drm
parent1a75a222f5ca1063249b5c92972d32dcc3c8966e (diff)
drm: Link directly from drm_master to drm_device
Master-based auth only exists for the legacy/primary drm_minor, hence there can only be one per device. The goal here is to untangle the epic dereference games of minor->master and master->minor which is just massively confusing. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-4-git-send-email-daniel.vetter@ffwll.ch
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/drm_drv.c6
-rw-r--r--drivers/gpu/drm/drm_fops.c2
-rw-r--r--drivers/gpu/drm/drm_internal.h2
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 8b2582aeaab6..3c01a16bbb77 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -93,7 +93,7 @@ void drm_ut_debug_printk(const char *function_name, const char *format, ...)
}
EXPORT_SYMBOL(drm_ut_debug_printk);
-struct drm_master *drm_master_create(struct drm_minor *minor)
+struct drm_master *drm_master_create(struct drm_device *dev)
{
struct drm_master *master;
@@ -105,7 +105,7 @@ struct drm_master *drm_master_create(struct drm_minor *minor)
spin_lock_init(&master->lock.spinlock);
init_waitqueue_head(&master->lock.lock_queue);
idr_init(&master->magic_map);
- master->minor = minor;
+ master->dev = dev;
return master;
}
@@ -120,7 +120,7 @@ EXPORT_SYMBOL(drm_master_get);
static void drm_master_destroy(struct kref *kref)
{
struct drm_master *master = container_of(kref, struct drm_master, refcount);
- struct drm_device *dev = master->minor->dev;
+ struct drm_device *dev = master->dev;
if (dev->driver->master_destroy)
dev->driver->master_destroy(dev, master);
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 2fd4f42b907a..bfbf1381f55d 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -185,7 +185,7 @@ int drm_new_set_master(struct drm_device *dev, struct drm_file *fpriv)
lockdep_assert_held_once(&dev->master_mutex);
/* create a new master */
- fpriv->minor->master = drm_master_create(fpriv->minor);
+ fpriv->minor->master = drm_master_create(fpriv->minor->dev);
if (!fpriv->minor->master)
return -ENOMEM;
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index 56a9b1cf99d7..f5c1d17fa51f 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -92,7 +92,7 @@ int drm_setmaster_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-struct drm_master *drm_master_create(struct drm_minor *minor);
+struct drm_master *drm_master_create(struct drm_device *dev);
/* drm_debugfs.c */
#if defined(CONFIG_DEBUG_FS)