Commit e467e0bd authored by Kuogee Hsieh's avatar Kuogee Hsieh Committed by Dmitry Baryshkov
Browse files

drm/msm/dp: use drm_bridge_hpd_notify() to report HPD status changes 



Currently DP driver use drm_helper_hpd_irq_event(), bypassing drm bridge
framework, to report HPD status changes to user space frame work.
Replace it with drm_bridge_hpd_notify() since DP driver is part of drm
bridge.

Signed-off-by: default avatarKuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/570067/
Link: https://lore.kernel.org/r/1701472789-25951-4-git-send-email-quic_khsieh@quicinc.com


Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
parent aa113120

drivers/gpu/drm/msm/dp/dp_display.c

+2 −18
Original line number Diff line number Diff line
@@ -340,26 +340,10 @@ static const struct component_ops dp_display_comp_ops = { 
	.unbind = dp_display_unbind,

};



static void dp_display_send_hpd_event(struct msm_dp *dp_display)

{

	struct dp_display_private *dp;

	struct drm_connector *connector;



	dp = container_of(dp_display, struct dp_display_private, dp_display);



	connector = dp->dp_display.connector;

	drm_helper_hpd_irq_event(connector->dev);

}



static int dp_display_send_hpd_notification(struct dp_display_private *dp,

					    bool hpd)

{

	if ((hpd && dp->dp_display.link_ready) ||

			(!hpd && !dp->dp_display.link_ready)) {

		drm_dbg_dp(dp->drm_dev, "HPD already %s\n",

				(hpd ? "on" : "off"));

		return 0;

	}

	struct drm_bridge *bridge = dp->dp_display.bridge;



	/* reset video pattern flag on disconnect */

	if (!hpd) {
@@ -373,7 +357,7 @@ static int dp_display_send_hpd_notification(struct dp_display_private *dp, 


	drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n",

			dp->dp_display.connector_type, hpd);

	dp_display_send_hpd_event(&dp->dp_display);

	drm_bridge_hpd_notify(bridge, dp->dp_display.link_ready);



	return 0;

}