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| author | Edward O'Callaghan <funfunctor@folklore1984.net> | 2016-11-07 15:35:09 +1100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-11-23 15:08:43 -0500 |
| commit | 01615881ff4f529cd9af02bfe46f1adf1b7d5793 (patch) | |
| tree | 9568f974d19cdec5e961f229d4ceabb9c2895a89 /drivers/gpu/drm | |
| parent | b01dd025ca63a9dda9908f0c487b4ef5e724ad29 (diff) | |
| download | linux-01615881ff4f529cd9af02bfe46f1adf1b7d5793.tar.gz linux-01615881ff4f529cd9af02bfe46f1adf1b7d5793.tar.bz2 linux-01615881ff4f529cd9af02bfe46f1adf1b7d5793.zip | |
amdgpu: Wrap dev_err() calls on vm faults with printk_ratelimit()
It can be the case that upon GPU page faults we start trashing
the logs, and so let us ratelimit here to avoid that.
V2. Fix issue where calling dev_err_ratelimited separately for
each line means that some lines corresponding to a single
VM fault may or may not appear depending on the rate.
- Michel Dänzer.
Reviewed-by: Christian König <christian.koenig@amd.com> (v1)
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c | 16 |
3 files changed, 27 insertions, 21 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index 3b6ad84df39b..64d3c1e6014c 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -1036,13 +1036,15 @@ static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev, if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v6_0_set_fault_enable_default(adev, false); - dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", - entry->src_id, entry->src_data); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - addr); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - status); - gmc_v6_0_vm_decode_fault(adev, status, addr, 0); + if (printk_ratelimit()) { + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", + entry->src_id, entry->src_data); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + addr); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + status); + gmc_v6_0_vm_decode_fault(adev, status, addr, 0); + } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index 18a0612764a9..fbe1d9ac500a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1198,13 +1198,15 @@ static int gmc_v7_0_process_interrupt(struct amdgpu_device *adev, if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v7_0_set_fault_enable_default(adev, false); - dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", - entry->src_id, entry->src_data); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - addr); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - status); - gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client); + if (printk_ratelimit()) { + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", + entry->src_id, entry->src_data); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + addr); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + status); + gmc_v7_0_vm_decode_fault(adev, status, addr, mc_client); + } return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index af2c6ccf0e5b..12ea3404dd65 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1242,13 +1242,15 @@ static int gmc_v8_0_process_interrupt(struct amdgpu_device *adev, if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST) gmc_v8_0_set_fault_enable_default(adev, false); - dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", - entry->src_id, entry->src_data); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", - addr); - dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", - status); - gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client); + if (printk_ratelimit()) { + dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n", + entry->src_id, entry->src_data); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n", + addr); + dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", + status); + gmc_v8_0_vm_decode_fault(adev, status, addr, mc_client); + } return 0; } |