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Commit 53fead96 authored by Ilija Hadzic's avatar Ilija Hadzic Committed by Dave Airlie
Browse files

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: default avatarIlija Hadzic <ihadzic@research.bell-labs.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent d7d0a75c

drivers/gpu/drm/drm_drv.c

+2 −2
Original line number Diff line number Diff line
@@ -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),