It appears that dw-hdmi plugin detection is not properly propagated unless we call drm_kms_helper_hotplug_event(). Maybe drm_bridge_hpd_notify should have been setup to call this. Signed-off-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index f082e14320e1..edea04f80576 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -3018,6 +3018,8 @@ static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) if (hdmi->bridge.dev) { drm_helper_hpd_irq_event(hdmi->bridge.dev); drm_bridge_hpd_notify(&hdmi->bridge, status); + + drm_kms_helper_hotplug_event(hdmi->bridge.dev); } } -- 2.31.1