Hi, On Fri, Jun 17, 2022 at 5:27 PM Brian Norris <briannorris@xxxxxxxxxxxx> wrote: > > It's possible for users to try to duplicate the CRTC state even when the > state doesn't exist. drm_atomic_helper_crtc_duplicate_state() (and other > users of __drm_atomic_helper_crtc_duplicate_state()) already guard this > with a WARN_ON() instead of crashing, so let's do that here too. > > Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx> > --- > > drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 3 +++ > 1 file changed, 3 insertions(+) I'm not an expert in this area, but it makes sense to me to match drm_atomic_helper_crtc_duplicate_state() in this way. Thus: Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx> I would tend to assume that this would be landed in drm-misc by Heiko if he's good with it. After several weeks of silence, however, I'll commit it myself. -Doug