From 890e1df1bec891d9203724541e81f8fbe5183388 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 19 Feb 2024 01:57:06 +0000
Subject: [PATCH] default settings GPIO PA4 PA6 PA3 PB5

---
 kernel/drivers/gpu/drm/xlnx/zynqmp_dpsub.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/kernel/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
index 8e69303..5f6eea8 100644
--- a/kernel/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
+++ b/kernel/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
@@ -214,7 +214,9 @@
 	dpsub->dev = &pdev->dev;
 	platform_set_drvdata(pdev, dpsub);
 
-	dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT));
+	ret = dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT));
+	if (ret)
+		return ret;
 
 	/* Try the reserved memory. Proceed if there's none. */
 	of_reserved_mem_device_init(&pdev->dev);

--
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