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authorIlija Hadzic <ihadzic@research.bell-labs.com>2011-10-26 06:20:12 +0400
committerDave Airlie <airlied@redhat.com>2012-01-05 18:42:52 +0400
commit53fead966a584cd2130e0c5565726dd56ccf7924 (patch)
treeab3f9ed2e01e7dad18f05554b2944639a6c46686 /drivers/gpu/drm/drm_drv.c
parentd7d0a75c4486f0e493af61d769aa49b94ae4c8bd (diff)
downloadlinux-53fead966a584cd2130e0c5565726dd56ccf7924.tar.xz
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>
Diffstat (limited to 'drivers/gpu/drm/drm_drv.c')
-rw-r--r--drivers/gpu/drm/drm_drv.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index bc5febe45762..1919ef05d6d8 100644
--- 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),