Hi，
At 2026-07-01 11:08:35, "Chen Ni" <[email protected]> wrote: >The drm_atomic_get_bridge_state() function returns an error pointer on >failure, not NULL. Fix the check to use IS_ERR() to correctly handle >allocation failures. > >Fixes: dc70272cc184 ("drm/rockchip: dw_hdmi: Propagate bus format to display >driver") >Signed-off-by: Chen Ni <[email protected]> Reviewed-by：Andy Yan <[email protected]> >--- > drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c >b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c >index cffc0af5190f..766cf21a4be7 100644 >--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c >+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c >@@ -287,7 +287,7 @@ static u32 dw_hdmi_rockchip_get_bus_format(struct >drm_encoder *encoder, > return 0; > > bridge_state = drm_atomic_get_bridge_state(conn_state->state, bridge); >- if (!bridge_state) >+ if (IS_ERR(bridge_state)) > return 0; > > if (bridge_state->input_bus_cfg.format != MEDIA_BUS_FMT_FIXED) >-- >2.25.1 > > >_______________________________________________ >Linux-rockchip mailing list >[email protected] >http://lists.infradead.org/mailman/listinfo/linux-rockchip
