drm: no need to hold global mutex for static data

drm_getcap and drm_version ioctls only reads static data,
there is no need to protect them with drm_global_mutex,
so make them DRM_UNLOCKED

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index bc5febe..1919ef0 100644 (file)
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -61,14 +61,14 @@ static int drm_version(struct drm_device *dev, void *data,
 
 /** Ioctl table */
 static struct drm_ioctl_desc drm_ioctls[] = {
-       DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, 0),
+       DRM_IOCTL_DEF(DRM_IOCTL_VERSION, drm_version, DRM_UNLOCKED),
        DRM_IOCTL_DEF(DRM_IOCTL_GET_UNIQUE, drm_getunique, 0),
        DRM_IOCTL_DEF(DRM_IOCTL_GET_MAGIC, drm_getmagic, 0),
        DRM_IOCTL_DEF(DRM_IOCTL_IRQ_BUSID, drm_irq_by_busid, DRM_MASTER|DRM_ROOT_ONLY),
        DRM_IOCTL_DEF(DRM_IOCTL_GET_MAP, drm_getmap, 0),
        DRM_IOCTL_DEF(DRM_IOCTL_GET_CLIENT, drm_getclient, 0),
        DRM_IOCTL_DEF(DRM_IOCTL_GET_STATS, drm_getstats, 0),
-       DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, 0),
+       DRM_IOCTL_DEF(DRM_IOCTL_GET_CAP, drm_getcap, DRM_UNLOCKED),
        DRM_IOCTL_DEF(DRM_IOCTL_SET_VERSION, drm_setversion, DRM_MASTER),
 
        DRM_IOCTL_DEF(DRM_IOCTL_SET_UNIQUE, drm_setunique, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),