From: Dmitry Baryshkov Date: Sun, 24 May 2026 10:33:34 +0000 (+0300) Subject: drm/msm/dp: drop event data X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5d65a2b48da88564e91b5b1f83605267fd1da70;p=thirdparty%2Fkernel%2Fstable.git drm/msm/dp: drop event data With EV_USER_NOTIFICATION gone event's data is no longer useful. Drop it, removing also the argument from event handlers. Reviewed-by: Bjorn Andersson Reviewed-by: Konrad Dybcio Tested-by: Val Packett # x1e80100-dell-latitude-7455 Tested-by: Yongxing Mou # Hamoa IOT EVK, QCS8300 Ride Signed-off-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/727610/ Link: https://lore.kernel.org/r/20260524-hpd-refactor-v6-6-cf3ab488dd7b@oss.qualcomm.com --- diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 8bf8c4099bbc..588fd9dddfc6 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; }; @@ -219,7 +218,7 @@ 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; @@ -237,7 +236,6 @@ 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); @@ -577,7 +575,7 @@ 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; @@ -603,7 +601,7 @@ 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; } @@ -645,7 +643,7 @@ 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; @@ -707,7 +705,7 @@ 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; @@ -725,7 +723,7 @@ 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; } @@ -1080,7 +1078,6 @@ 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 */ @@ -1106,13 +1103,13 @@ 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; @@ -1216,19 +1213,19 @@ 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; } @@ -1653,7 +1650,7 @@ 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)) { @@ -1727,7 +1724,7 @@ 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); @@ -1849,7 +1846,7 @@ 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); }