linux-kernel - [PATCH v6 15/18] drm/exynos: exynos_dp: Apply analogix_dp_finish

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Message-Id: <20250930094251.131314-2-damon.ding@rock-chips.com>
Date: Tue, 30 Sep 2025 17:42:48 +0800
From: Damon Ding <damon.ding@...k-chips.com>
To: andrzej.hajda@...el.com,
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	Damon Ding <damon.ding@...k-chips.com>
Subject: [PATCH v6 15/18] drm/exynos: exynos_dp: Apply analogix_dp_finish_probe()

Apply analogix_dp_finish_probe() in order to move the panel/bridge
parsing from Exynos side to the Analogix side.

Signed-off-by: Damon Ding <damon.ding@...k-chips.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Tested-by: Marek Szyprowski <m.szyprowski@...sung.com>

---

Changes in v4:
- Rename analogix_dp_find_panel_or_bridge() to
  analogix_dp_finish_probe().
---
 drivers/gpu/drm/exynos/exynos_dp.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index e767ac506515..1c189b5d2b63 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -170,9 +170,6 @@ static int exynos_dp_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np;
 	struct exynos_dp_device *dp;
-	struct drm_panel *panel;
-	struct drm_bridge *bridge;
-	int ret;
 
 	dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
 			  GFP_KERNEL);
@@ -199,26 +196,22 @@ static int exynos_dp_probe(struct platform_device *pdev)
 		goto out;
 	}
 
-	ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &panel, &bridge);
-	if (ret == -ENODEV)
-		ret = exynos_dp_legacy_bridge_init(dp, &bridge);
-	if (ret)
-		return ret;
-
 	/* The remote port can be either a panel or a bridge */
-	dp->plat_data.panel = panel;
-	dp->plat_data.next_bridge = bridge;
 	dp->plat_data.dev_type = EXYNOS_DP;
 	dp->plat_data.power_on = exynos_dp_poweron;
 	dp->plat_data.power_off = exynos_dp_poweroff;
 	dp->plat_data.attach = exynos_dp_bridge_attach;
+	dp->plat_data.ops = &exynos_dp_ops;
 
 out:
 	dp->adp = analogix_dp_probe(dev, &dp->plat_data);
 	if (IS_ERR(dp->adp))
 		return PTR_ERR(dp->adp);
 
-	return component_add(&pdev->dev, &exynos_dp_ops);
+	if (np || !exynos_dp_legacy_bridge_init(dp, &dp->plat_data.next_bridge))
+		return component_add(&pdev->dev, &exynos_dp_ops);
+	else
+		return analogix_dp_finish_probe(dp->adp);
 }
 
 static void exynos_dp_remove(struct platform_device *pdev)
-- 
2.34.1