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| author |   Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-06-07 10:05:29 +0800 |
|---|---|---|
| committer |   Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2023-08-02 01:36:53 +0300 |
| commit | 1832fba7f9780aff67c96ad30f397c2d76141833 (patch) | |
| tree | 5d390e9b5d01daa11746d93119cc9e9ac4c5cd5e | |
| parent | drm/xlnx/zynqmp_dp: Fix function name zynqmp_dp_link_train() -> zynqmp_dp_train() (diff) | |
| download | wireguard-linux-1832fba7f9780aff67c96ad30f397c2d76141833.tar.xz wireguard-linux-1832fba7f9780aff67c96ad30f397c2d76141833.zip | |
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: d76271d22694 ("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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c index 9d64a8d98372..88eb33acd5f0 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c @@ -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); |