[PATCH v2 10/10] drm: xlnx: zynqmp: Fix max dma segment size

[Tomi Valkeinen]

Fix "mapping sg segment longer than device claims to support" warning by
setting the max segment size.

Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort 
Subsystem")
Reviewed-by: Sean Anderson <sean.ander...@linux.dev>
Tested-by: Sean Anderson <sean.ander...@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ideasonboard.com>
---
 drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c 
b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
index f5781939de9c..a25b22238e3d 100644
--- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
+++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c
@@ -231,6 +231,8 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev)
        if (ret)
                return ret;
 
+       dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32));
+
        /* Try the reserved memory. Proceed if there's none. */
        of_reserved_mem_device_init(&pdev->dev);
 

-- 
2.43.0