[PATCH v3 6/8] drm/msm/dp: drop event data

Dmitry Baryshkov posted 8 patches 3 weeks, 3 days ago
[PATCH v3 6/8] drm/msm/dp: drop event data
Posted by Dmitry Baryshkov 3 weeks, 3 days ago
With EV_USER_NOTIFICATION gone event's data is no longer useful. Drop
it, removing also the argument from event handlers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
---
 drivers/gpu/drm/msm/dp/dp_display.c | 39 +++++++++++++++++--------------------
 1 file changed, 18 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
index e0b424ac861a..e93de362dd39 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -69,7 +69,6 @@ enum {
 
 struct msm_dp_event {
 	u32 event_id;
-	u32 data;
 	u32 delay;
 };
 
@@ -218,7 +217,7 @@ static struct msm_dp_display_private *dev_get_dp_display_private(struct device *
 }
 
 static int msm_dp_add_event(struct msm_dp_display_private *msm_dp_priv, u32 event,
-						u32 data, u32 delay)
+			    u32 delay)
 {
 	unsigned long flag;
 	struct msm_dp_event *todo;
@@ -236,7 +235,6 @@ static int msm_dp_add_event(struct msm_dp_display_private *msm_dp_priv, u32 even
 	todo = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++];
 	msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX;
 	todo->event_id = event;
-	todo->data = data;
 	todo->delay = delay;
 	wake_up(&msm_dp_priv->event_q);
 	spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag);
@@ -576,7 +574,7 @@ static int msm_dp_display_usbpd_attention_cb(struct device *dev)
 	return rc;
 }
 
-static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp, u32 data)
+static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp)
 {
 	u32 state;
 	int ret;
@@ -602,7 +600,7 @@ static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp, u32 data)
 
 	if (state == ST_DISCONNECT_PENDING) {
 		/* wait until ST_DISCONNECTED */
-		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 1); /* delay = 1 */
+		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 1);
 		mutex_unlock(&dp->event_mutex);
 		return 0;
 	}
@@ -644,7 +642,7 @@ static void msm_dp_display_handle_plugged_change(struct msm_dp *msm_dp_display,
 							plugged);
 }
 
-static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp, u32 data)
+static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp)
 {
 	u32 state;
 	struct platform_device *pdev = dp->msm_dp_display.pdev;
@@ -706,7 +704,7 @@ static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp, u32 data)
 	return 0;
 }
 
-static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data)
+static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp)
 {
 	u32 state;
 
@@ -724,7 +722,7 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data)
 
 	if (state == ST_MAINLINK_READY || state == ST_DISCONNECT_PENDING) {
 		/* wait until ST_CONNECTED */
-		msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0, 1); /* delay = 1 */
+		msm_dp_add_event(dp, EV_IRQ_HPD_INT, 1);
 		mutex_unlock(&dp->event_mutex);
 		return 0;
 	}
@@ -1079,7 +1077,6 @@ static int hpd_event_thread(void *data)
 			todo_next = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++];
 			msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX;
 			todo_next->event_id = todo->event_id;
-			todo_next->data = todo->data;
 			todo_next->delay = todo->delay - 1;
 
 			/* clean up older event */
@@ -1105,13 +1102,13 @@ static int hpd_event_thread(void *data)
 
 		switch (todo->event_id) {
 		case EV_HPD_PLUG_INT:
-			msm_dp_hpd_plug_handle(msm_dp_priv, todo->data);
+			msm_dp_hpd_plug_handle(msm_dp_priv);
 			break;
 		case EV_HPD_UNPLUG_INT:
-			msm_dp_hpd_unplug_handle(msm_dp_priv, todo->data);
+			msm_dp_hpd_unplug_handle(msm_dp_priv);
 			break;
 		case EV_IRQ_HPD_INT:
-			msm_dp_irq_hpd_handle(msm_dp_priv, todo->data);
+			msm_dp_irq_hpd_handle(msm_dp_priv);
 			break;
 		default:
 			break;
@@ -1212,19 +1209,19 @@ static irqreturn_t msm_dp_display_irq_handler(int irq, void *dev_id)
 			dp->msm_dp_display.connector_type, hpd_isr_status);
 		/* hpd related interrupts */
 		if (hpd_isr_status & DP_DP_HPD_PLUG_INT_MASK)
-			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0);
+			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0);
 
 		if (hpd_isr_status & DP_DP_IRQ_HPD_INT_MASK) {
-			msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0, 0);
+			msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0);
 		}
 
 		if (hpd_isr_status & DP_DP_HPD_REPLUG_INT_MASK) {
-			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
-			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 3);
+			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
+			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 3);
 		}
 
 		if (hpd_isr_status & DP_DP_HPD_UNPLUG_INT_MASK)
-			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
+			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
 
 		ret = IRQ_HANDLED;
 	}
@@ -1649,7 +1646,7 @@ void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
 	}
 
 	if (dp->is_edp)
-		msm_dp_hpd_plug_handle(msm_dp_display, 0);
+		msm_dp_hpd_plug_handle(msm_dp_display);
 
 	mutex_lock(&msm_dp_display->event_mutex);
 	if (pm_runtime_resume_and_get(&dp->pdev->dev)) {
@@ -1722,7 +1719,7 @@ void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
 	msm_dp_display = container_of(dp, struct msm_dp_display_private, msm_dp_display);
 
 	if (dp->is_edp)
-		msm_dp_hpd_unplug_handle(msm_dp_display, 0);
+		msm_dp_hpd_unplug_handle(msm_dp_display);
 
 	mutex_lock(&msm_dp_display->event_mutex);
 
@@ -1844,7 +1841,7 @@ void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
 		return;
 
 	if (!msm_dp_display->link_ready && status == connector_status_connected)
-		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0);
+		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0);
 	else if (msm_dp_display->link_ready && status == connector_status_disconnected)
-		msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
+		msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
 }

-- 
2.47.3
Re: [PATCH v3 6/8] drm/msm/dp: drop event data
Posted by Bjorn Andersson 3 weeks, 3 days ago
On Thu, Jan 15, 2026 at 09:29:11AM +0200, Dmitry Baryshkov wrote:
> With EV_USER_NOTIFICATION gone event's data is no longer useful. Drop
> it, removing also the argument from event handlers.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>

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

Regards,
Bjorn

> ---
>  drivers/gpu/drm/msm/dp/dp_display.c | 39 +++++++++++++++++--------------------
>  1 file changed, 18 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
> index e0b424ac861a..e93de362dd39 100644
> --- a/drivers/gpu/drm/msm/dp/dp_display.c
> +++ b/drivers/gpu/drm/msm/dp/dp_display.c
> @@ -69,7 +69,6 @@ enum {
>  
>  struct msm_dp_event {
>  	u32 event_id;
> -	u32 data;
>  	u32 delay;
>  };
>  
> @@ -218,7 +217,7 @@ static struct msm_dp_display_private *dev_get_dp_display_private(struct device *
>  }
>  
>  static int msm_dp_add_event(struct msm_dp_display_private *msm_dp_priv, u32 event,
> -						u32 data, u32 delay)
> +			    u32 delay)
>  {
>  	unsigned long flag;
>  	struct msm_dp_event *todo;
> @@ -236,7 +235,6 @@ static int msm_dp_add_event(struct msm_dp_display_private *msm_dp_priv, u32 even
>  	todo = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++];
>  	msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX;
>  	todo->event_id = event;
> -	todo->data = data;
>  	todo->delay = delay;
>  	wake_up(&msm_dp_priv->event_q);
>  	spin_unlock_irqrestore(&msm_dp_priv->event_lock, flag);
> @@ -576,7 +574,7 @@ static int msm_dp_display_usbpd_attention_cb(struct device *dev)
>  	return rc;
>  }
>  
> -static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp, u32 data)
> +static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp)
>  {
>  	u32 state;
>  	int ret;
> @@ -602,7 +600,7 @@ static int msm_dp_hpd_plug_handle(struct msm_dp_display_private *dp, u32 data)
>  
>  	if (state == ST_DISCONNECT_PENDING) {
>  		/* wait until ST_DISCONNECTED */
> -		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 1); /* delay = 1 */
> +		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 1);
>  		mutex_unlock(&dp->event_mutex);
>  		return 0;
>  	}
> @@ -644,7 +642,7 @@ static void msm_dp_display_handle_plugged_change(struct msm_dp *msm_dp_display,
>  							plugged);
>  }
>  
> -static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp, u32 data)
> +static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp)
>  {
>  	u32 state;
>  	struct platform_device *pdev = dp->msm_dp_display.pdev;
> @@ -706,7 +704,7 @@ static int msm_dp_hpd_unplug_handle(struct msm_dp_display_private *dp, u32 data)
>  	return 0;
>  }
>  
> -static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data)
> +static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp)
>  {
>  	u32 state;
>  
> @@ -724,7 +722,7 @@ static int msm_dp_irq_hpd_handle(struct msm_dp_display_private *dp, u32 data)
>  
>  	if (state == ST_MAINLINK_READY || state == ST_DISCONNECT_PENDING) {
>  		/* wait until ST_CONNECTED */
> -		msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0, 1); /* delay = 1 */
> +		msm_dp_add_event(dp, EV_IRQ_HPD_INT, 1);
>  		mutex_unlock(&dp->event_mutex);
>  		return 0;
>  	}
> @@ -1079,7 +1077,6 @@ static int hpd_event_thread(void *data)
>  			todo_next = &msm_dp_priv->event_list[msm_dp_priv->event_pndx++];
>  			msm_dp_priv->event_pndx %= DP_EVENT_Q_MAX;
>  			todo_next->event_id = todo->event_id;
> -			todo_next->data = todo->data;
>  			todo_next->delay = todo->delay - 1;
>  
>  			/* clean up older event */
> @@ -1105,13 +1102,13 @@ static int hpd_event_thread(void *data)
>  
>  		switch (todo->event_id) {
>  		case EV_HPD_PLUG_INT:
> -			msm_dp_hpd_plug_handle(msm_dp_priv, todo->data);
> +			msm_dp_hpd_plug_handle(msm_dp_priv);
>  			break;
>  		case EV_HPD_UNPLUG_INT:
> -			msm_dp_hpd_unplug_handle(msm_dp_priv, todo->data);
> +			msm_dp_hpd_unplug_handle(msm_dp_priv);
>  			break;
>  		case EV_IRQ_HPD_INT:
> -			msm_dp_irq_hpd_handle(msm_dp_priv, todo->data);
> +			msm_dp_irq_hpd_handle(msm_dp_priv);
>  			break;
>  		default:
>  			break;
> @@ -1212,19 +1209,19 @@ static irqreturn_t msm_dp_display_irq_handler(int irq, void *dev_id)
>  			dp->msm_dp_display.connector_type, hpd_isr_status);
>  		/* hpd related interrupts */
>  		if (hpd_isr_status & DP_DP_HPD_PLUG_INT_MASK)
> -			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0);
> +			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0);
>  
>  		if (hpd_isr_status & DP_DP_IRQ_HPD_INT_MASK) {
> -			msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0, 0);
> +			msm_dp_add_event(dp, EV_IRQ_HPD_INT, 0);
>  		}
>  
>  		if (hpd_isr_status & DP_DP_HPD_REPLUG_INT_MASK) {
> -			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
> -			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 3);
> +			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
> +			msm_dp_add_event(dp, EV_HPD_PLUG_INT, 3);
>  		}
>  
>  		if (hpd_isr_status & DP_DP_HPD_UNPLUG_INT_MASK)
> -			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
> +			msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
>  
>  		ret = IRQ_HANDLED;
>  	}
> @@ -1649,7 +1646,7 @@ void msm_dp_bridge_atomic_enable(struct drm_bridge *drm_bridge,
>  	}
>  
>  	if (dp->is_edp)
> -		msm_dp_hpd_plug_handle(msm_dp_display, 0);
> +		msm_dp_hpd_plug_handle(msm_dp_display);
>  
>  	mutex_lock(&msm_dp_display->event_mutex);
>  	if (pm_runtime_resume_and_get(&dp->pdev->dev)) {
> @@ -1722,7 +1719,7 @@ void msm_dp_bridge_atomic_post_disable(struct drm_bridge *drm_bridge,
>  	msm_dp_display = container_of(dp, struct msm_dp_display_private, msm_dp_display);
>  
>  	if (dp->is_edp)
> -		msm_dp_hpd_unplug_handle(msm_dp_display, 0);
> +		msm_dp_hpd_unplug_handle(msm_dp_display);
>  
>  	mutex_lock(&msm_dp_display->event_mutex);
>  
> @@ -1844,7 +1841,7 @@ void msm_dp_bridge_hpd_notify(struct drm_bridge *bridge,
>  		return;
>  
>  	if (!msm_dp_display->link_ready && status == connector_status_connected)
> -		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0, 0);
> +		msm_dp_add_event(dp, EV_HPD_PLUG_INT, 0);
>  	else if (msm_dp_display->link_ready && status == connector_status_disconnected)
> -		msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0, 0);
> +		msm_dp_add_event(dp, EV_HPD_UNPLUG_INT, 0);
>  }
> 
> -- 
> 2.47.3
> 
>
Re: [PATCH v3 6/8] drm/msm/dp: drop event data
Posted by Konrad Dybcio 3 weeks, 3 days ago
On 1/15/26 8:29 AM, Dmitry Baryshkov wrote:
> With EV_USER_NOTIFICATION gone event's data is no longer useful. Drop
> it, removing also the argument from event handlers.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad