From: Yong Zhao <yong.zhao@xxxxxxx>
On Raven Invalid PPRs (peripheral page requests) can be reported
because multiple PPRs can be still queued when memory is freed.
Apply a rate limit to avoid flooding the log in this case.
Signed-off-by: Yong Zhao <yong.zhao at amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling at amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
index c718179..7a61f38 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
@@ -190,7 +190,7 @@ static int iommu_invalid_ppr_cb(struct pci_dev *pdev, int pasid,
{
struct kfd_dev *dev;
- dev_warn(kfd_device,
+ dev_warn_ratelimited(kfd_device,
"Invalid PPR device %x:%x.%x pasid %d address 0x%lX flags 0x%X",
PCI_BUS_NUM(pdev->devfn),
PCI_SLOT(pdev->devfn),
--
2.7.4
