Hi, On Mon, Sep 27, 2021 at 06:44:23PM +0200, H. Nikolaus Schaller wrote: > 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 <[email protected]> > --- > 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);
drm_kms_helper_hotplug_event is already called from drm_helper_hpd_irq_event Maxime
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