Re: [PATCH RESEND v3 5/6] soc: qcom: pmic-glink-altmode: pass down HPD_IRQ events

From: Bjorn Andersson <andersson@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
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Subject: Re: [PATCH RESEND v3 5/6] soc: qcom: pmic-glink-altmode: pass down HPD_IRQ events
Date: Thu, 21 May 2026 18:17:15 -0500	[thread overview]
Message-ID: <ag-SWn5FgRLBqUTR@baldur> (raw)
In-Reply-To: <20260513-hpd-irq-events-v3-5-086857017f16@oss.qualcomm.com>

On Wed, May 13, 2026 at 09:23:25PM +0300, Dmitry Baryshkov wrote:
> Pass IRQ_HPD events to the HPD bridge, letting those to be delivered to
> the DisplayPort driver.
> 

Acked-by: Bjorn Andersson <andersson@kernel.org>

Regards,
Bjorn

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---
>  drivers/soc/qcom/pmic_glink_altmode.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/pmic_glink_altmode.c b/drivers/soc/qcom/pmic_glink_altmode.c
> index 619bad2c27ee..946eb20b8f83 100644
> --- a/drivers/soc/qcom/pmic_glink_altmode.c
> +++ b/drivers/soc/qcom/pmic_glink_altmode.c
> @@ -373,7 +373,11 @@ static void pmic_glink_altmode_worker(struct work_struct *work)
>  		else
>  			conn_status = connector_status_disconnected;
>  
> -		drm_aux_hpd_bridge_notify(&alt_port->bridge->dev, conn_status);
> +		drm_aux_hpd_bridge_notify_extra(&alt_port->bridge->dev,
> +						conn_status,
> +						alt_port->hpd_irq ?
> +						DRM_CONNECTOR_DP_IRQ_HPD :
> +						DRM_CONNECTOR_NO_EXTRA_STATUS);
>  	} else if (alt_port->mux_ctrl == MUX_CTRL_STATE_TUNNELING) {
>  		if (alt_port->svid == USB_TYPEC_TBT_SID)
>  			pmic_glink_altmode_enable_tbt(altmode, alt_port);
> 
> -- 
> 2.47.3
>