summaryrefslogtreecommitdiff
path: root/bsd-core/drm_drv.c
diff options
context:
space:
mode:
Diffstat (limited to 'bsd-core/drm_drv.c')
-rw-r--r--bsd-core/drm_drv.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index a978f50f..afd90351 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -1,6 +1,3 @@
-/* drm_drv.h -- Generic driver template -*- linux-c -*-
- * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com
- */
/*-
* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
@@ -31,6 +28,12 @@
*
*/
+/** @file drm_drv.c
+ * The catch-all file for DRM device support, including module setup/teardown,
+ * open/close, and ioctl dispatch.
+ */
+
+
#include <sys/limits.h>
#include "drmP.h"
#include "drm.h"
@@ -818,14 +821,7 @@ int drm_close(struct cdev *kdev, int flags, int fmt, DRM_STRUCTPROC *p)
int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
DRM_STRUCTPROC *p)
{
-#ifdef __FreeBSD__
- drm_device_t *dev = kdev->si_drv1;
-#elif defined(__NetBSD__)
- drm_device_t *dev = device_lookup(&drm_cd, minor(kdev));
-#else
- drm_device_t *dev = device_lookup(&drm_cd,
- minor(kdev)))->dv_cfdata->cf_driver->cd_devs[minor(kdev)];
-#endif
+ drm_device_t *dev = drm_get_device_from_kdev(kdev);
int retcode = 0;
drm_ioctl_desc_t *ioctl;
int (*func)(drm_device_t *dev, void *data, struct drm_file *file_priv);
@@ -912,15 +908,13 @@ int drm_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int flags,
((ioctl->flags & DRM_MASTER) && !file_priv->master))
return EACCES;
- if (is_driver_ioctl)
- DRM_LOCK();
- retcode = func(dev, data, file_priv);
if (is_driver_ioctl) {
+ DRM_LOCK();
+ /* shared code returns -errno */
+ retcode = -func(dev, data, file_priv);
DRM_UNLOCK();
- /* Driver ioctls in shared code follow the linux convention of
- * returning -errno instead of errno.
- */
- retcode = -retcode;
+ } else {
+ retcode = func(dev, data, file_priv);
}
if (retcode != 0)