drm: zynqmp_dp: Don't delay work

We always call scheduled_delayed_work with no delay, so just use a
non-delayed work_struct instead.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503192922.2172314-4-sean.anderson@linux.dev

drivers/gpu/drm/xlnx/zynqmp_dp.c

@@ -298,7 +298,7 @@ struct zynqmp_dp_config {
 struct zynqmp_dp {
 	struct drm_dp_aux aux;
 	struct drm_bridge bridge;
-	struct delayed_work hpd_work;
+	struct work_struct hpd_work;
 
 	struct drm_bridge *next_bridge;
 	struct device *dev;
@@ -1482,7 +1482,7 @@ static void zynqmp_dp_bridge_atomic_disable(struct drm_bridge *bridge,
 	struct zynqmp_dp *dp = bridge_to_dp(bridge);
 
 	dp->enabled = false;
-	cancel_delayed_work(&dp->hpd_work);
+	cancel_work(&dp->hpd_work);
 	zynqmp_dp_write(dp, ZYNQMP_DP_MAIN_STREAM_ENABLE, 0);
 	drm_dp_dpcd_writeb(&dp->aux, DP_SET_POWER, DP_SET_POWER_D3);
 	zynqmp_dp_write(dp, ZYNQMP_DP_TX_PHY_POWER_DOWN,
@@ -1648,8 +1648,7 @@ void zynqmp_dp_disable_vblank(struct zynqmp_dp *dp)
 
 static void zynqmp_dp_hpd_work_func(struct work_struct *work)
 {
-	struct zynqmp_dp *dp = container_of(work, struct zynqmp_dp,
-					    hpd_work.work);
+	struct zynqmp_dp *dp = container_of(work, struct zynqmp_dp, hpd_work);
 	enum drm_connector_status status;
 
 	status = zynqmp_dp_bridge_detect(&dp->bridge);
@@ -1685,7 +1684,7 @@ static irqreturn_t zynqmp_dp_irq_handler(int irq, void *data)
 		zynqmp_dpsub_drm_handle_vblank(dp->dpsub);
 
 	if (status & ZYNQMP_DP_INT_HPD_EVENT)
-		schedule_delayed_work(&dp->hpd_work, 0);
+		schedule_work(&dp->hpd_work);
 
 	if (status & ZYNQMP_DP_INT_HPD_IRQ) {
 		int ret;
@@ -1727,7 +1726,7 @@ int zynqmp_dp_probe(struct zynqmp_dpsub *dpsub)
 	dp->dpsub = dpsub;
 	dp->status = connector_status_disconnected;
 
-	INIT_DELAYED_WORK(&dp->hpd_work, zynqmp_dp_hpd_work_func);
+	INIT_WORK(&dp->hpd_work, zynqmp_dp_hpd_work_func);
 
 	/* Acquire all resources (IOMEM, IRQ and PHYs). */
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dp");
@@ -1832,7 +1831,7 @@ void zynqmp_dp_remove(struct zynqmp_dpsub *dpsub)
 	zynqmp_dp_write(dp, ZYNQMP_DP_INT_DS, ZYNQMP_DP_INT_ALL);
 	disable_irq(dp->irq);
 
-	cancel_delayed_work_sync(&dp->hpd_work);
+	cancel_work_sync(&dp->hpd_work);
 
 	zynqmp_dp_write(dp, ZYNQMP_DP_TRANSMITTER_ENABLE, 0);
 	zynqmp_dp_write(dp, ZYNQMP_DP_INT_DS, 0xffffffff);