Commit 1832fba7 authored by 蒋家盛's avatar 蒋家盛 Committed by Laurent Pinchart
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drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask 



Add check for dma_set_mask() and return the error if it fails.

Fixes: d76271d2 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarTomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent ea45025d

drivers/gpu/drm/xlnx/zynqmp_dpsub.c

+3 −1
Original line number Diff line number Diff line
@@ -227,7 +227,9 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev) 
	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);