drm_vc4_perfmon_destroy 157 drivers/gpu/drm/vc4/vc4_perfmon.c struct drm_vc4_perfmon_destroy *req = data; drm_vc4_perfmon_destroy 62 include/uapi/drm/vc4_drm.h #define DRM_IOCTL_VC4_PERFMON_DESTROY DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_PERFMON_DESTROY, struct drm_vc4_perfmon_destroy)