[PATCH v3 04/17] video: dw_hdmi: Add read_hpd hook

[Neil Armstrong]

On 17/01/2024 08:51, Jagan Teki wrote:
> From: Jagan Teki <jagan at edgeble.ai>
> 
> Add support for DW HDMI Read HPD status.
> 
> Signed-off-by: Jagan Teki <jagan at edgeble.ai>
> ---
> Changes for v3:
> - check hdmi->ops
> Changes for v2:
> - none
> 
>   drivers/video/dw_hdmi.c | 3 +++
>   include/dw_hdmi.h       | 1 +
>   2 files changed, 4 insertions(+)
> 
> 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 {

Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>