From: Jagan Teki <jagan@edgeble.ai>
Date: Wed, 17 Jan 2024 07:51:41 +0000 (+0530)
Subject: video: dw_hdmi: Add read_hpd hook
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-logo.png?a=commitdiff_plain;h=054a0ca8c16a229c76de033b9d3c7375b1e0ed0f;p=u-boot.git

video: dw_hdmi: Add read_hpd hook

Add support for DW HDMI Read HPD status.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
---

diff --git a/drivers/video/dw_hdmi.c b/drivers/video/dw_hdmi.c
index 3a3b9b7a21..989b7ab2db 100644
--- a/drivers/video/dw_hdmi.c
+++ b/drivers/video/dw_hdmi.c
@@ -946,6 +946,9 @@ int dw_hdmi_detect_hpd(struct dw_hdmi *hdmi)
 		return -ENODEV;
 	}
 
+	if (hdmi->ops && hdmi->ops->read_hpd)
+		hdmi->ops->read_hpd(hdmi, true);
+
 	return 0;
 }
 
diff --git a/include/dw_hdmi.h b/include/dw_hdmi.h
index ba2ce5ea7f..a1f0e64507 100644
--- a/include/dw_hdmi.h
+++ b/include/dw_hdmi.h
@@ -538,6 +538,7 @@ struct dw_hdmi;
 
 struct dw_hdmi_phy_ops {
 	int (*phy_set)(struct dw_hdmi *hdmi, uint mpixelclock);
+	void (*read_hpd)(struct dw_hdmi *hdmi, bool hdp_status);
 };
 
 struct dw_hdmi {