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 3a3b9b7a21d2935e8c779974d7040f6df134e7a4..989b7ab2db16efdddd8620f4be2553ad85d4a657 100644 (file)
--- 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 ba2ce5ea7fe05d19458731460c067bdfe2d7f656..a1f0e64507d07e6f9d01b76d3fb049a875f90a17 100644 (file)
--- 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 {