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drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask

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[ Upstream commit 1832fba7f9780aff67c96ad30f397c2d76141833 ]

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

Fixes: d76271d226 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-06-07 10:05:29 +08:00 committed by Greg Kroah-Hartman
parent 9b372d2fdc
commit 3b1f1999a3
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/xlnx/zynqmp_dpsub.c
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@ -201,7 +201,9 @@ 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);