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@xxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxx>
Tested-by: Sean Anderson <sean.anderson@xxxxxxxxx>
