From 62079b6f2cf1e6356c6241cbdc5defdb0d66b4fe Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Thu, 2 Feb 2023 10:21:13 +0100 Subject: [PATCH] accel/ivpu: Set dma max_segment_size Avoid below spurious warning: [ 264.844029] DMA-API: intel_vpu 0000:00:0b.0: mapping sg segment longer than device claims to support [len=143360] [max=65536] [ 264.844038] WARNING: CPU: 0 PID: 1254 at kernel/dma/debug.c:1160 debug_dma_map_sg+0x6ca/0xb70 Fixes: 263b2ba5fc93 ("accel/ivpu: Add Intel VPU MMU support") Signed-off-by: Stanislaw Gruszka Reviewed-by: Jeffrey Hugo Signed-off-by: Jacek Lawrynowicz Link: https://patchwork.freedesktop.org/patch/msgid/20230202092114.2637452-4-stanislaw.gruszka@linux.intel.com (cherry picked from commit 07ccb63a5c4cf860754666f1de030a0cbd5193b6) Signed-off-by: Jacek Lawrynowicz --- drivers/accel/ivpu/ivpu_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c index 70c1048..231f29b 100644 --- a/drivers/accel/ivpu/ivpu_drv.c +++ b/drivers/accel/ivpu/ivpu_drv.c @@ -428,6 +428,7 @@ static int ivpu_pci_init(struct ivpu_device *vdev) ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret); return ret; } + dma_set_max_seg_size(vdev->drm.dev, UINT_MAX); /* Clear any pending errors */ pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f); -- 2.7.4