diff mbox series

[3/4] accel/ivpu: Set dma max_segment_size

Message ID 20230202092114.2637452-4-stanislaw.gruszka@linux.intel.com (mailing list archive)
State New, archived
Headers show
Series accel/ivpu: Fixes for 6.3 | expand

Commit Message

Stanislaw Gruszka Feb. 2, 2023, 9:21 a.m. UTC 
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

Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
---
 drivers/accel/ivpu/ivpu_drv.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Jeffrey Hugo Feb. 2, 2023, 3:05 p.m. UTC | #1 
On 2/2/2023 2:21 AM, Stanislaw Gruszka wrote:
> 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
> 
> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>


Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
diff mbox series

Patch

diff --git a/drivers/accel/ivpu/ivpu_drv.c b/drivers/accel/ivpu/ivpu_drv.c
index 70c104851c6d..231f29bb5025 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);