summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/drm_file.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
committerIngo Molnar <mingo@kernel.org>2017-09-04 11:01:18 +0200
commitedc2988c548db05e33b921fed15821010bc74895 (patch)
treeb35860428acea35e5866d4cf007519ed943a85de /drivers/gpu/drm/drm_file.c
parentlocking/lockdep/selftests: Fix mixed read-write ABBA tests (diff)
parentMerge branch 'docs-next' of git://git.lwn.net/linux (diff)
downloadlinux-edc2988c548db05e33b921fed15821010bc74895.tar.xz
linux-edc2988c548db05e33b921fed15821010bc74895.zip
Merge branch 'linus' into locking/core, to fix up conflicts
Conflicts: mm/page_alloc.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
-rw-r--r--drivers/gpu/drm/drm_file.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 84f3a242cc39..b3c6e997ccdb 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -75,7 +75,7 @@ DEFINE_MUTEX(drm_global_mutex);
* for drivers which use the CMA GEM helpers it's drm_gem_cma_mmap().
*
* No other file operations are supported by the DRM userspace API. Overall the
- * following is an example #file_operations structure::
+ * following is an example &file_operations structure::
*
* static const example_drm_fops = {
* .owner = THIS_MODULE,
@@ -92,6 +92,11 @@ DEFINE_MUTEX(drm_global_mutex);
* For plain GEM based drivers there is the DEFINE_DRM_GEM_FOPS() macro, and for
* CMA based drivers there is the DEFINE_DRM_GEM_CMA_FOPS() macro to make this
* simpler.
+ *
+ * The driver's &file_operations must be stored in &drm_driver.fops.
+ *
+ * For driver-private IOCTL handling see the more detailed discussion in
+ * :ref:`IOCTL support in the userland interfaces chapter<drm_driver_ioctl>`.
*/
static int drm_open_helper(struct file *filp, struct drm_minor *minor);
@@ -431,7 +436,7 @@ int drm_release(struct inode *inode, struct file *filp)
if (!--dev->open_count) {
drm_lastclose(dev);
- if (drm_device_is_unplugged(dev))
+ if (drm_dev_is_unplugged(dev))
drm_put_dev(dev);
}
mutex_unlock(&drm_global_mutex);