diff options
| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2025-01-15 11:03:39 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2025-02-11 14:59:46 +0200 |
| commit | 28b529a98525123acd37372a04d21e87ec2edcf7 (patch) | |
| tree | 18c7e02f10c81d2423b58c4895853f6e12b200f7 | |
| parent | 6636c58b946c9cbfbd68a453d4eba2ef4585c65c (diff) | |
drm: xlnx: zynqmp: Fix max dma segment size
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.anderson@linux.dev>
Tested-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250115-xilinx-formats-v2-10-160327ca652a@ideasonboard.com
| -rw-r--r-- | drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c index f953ca48a930..3a9544b97bc5 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c @@ -201,6 +201,8 @@ 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); |