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

On 12/4/24 04:31, Tomi Valkeinen wrote:

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

Signed-off-by: Tomi Valkeinen tomi.valkeinen@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);

Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Reviewed-by: Sean Anderson sean.anderson@linux.dev Tested-by: Sean Anderson sean.anderson@linux.dev