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 <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
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 <jacek.lawrynowicz@linux.intel.com>

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 70c104851c6db7d2b45d14e672e86ca8a589e877..231f29bb50257e9595f856e29cc312f937c33cb4 100644 (file)
--- 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);