From: Victor Skvortsov victor.skvortsov@amd.com
[ Upstream commit 04893397766a2b2f1bc7fe5c6414e4c0846ed171 ]
VFs are not able to query error counts for all RAS blocks. Rather than returning error for queries on these blocks, skip sysfs the creation all together.
Signed-off-by: Victor Skvortsov victor.skvortsov@amd.com Reviewed-by: Hawking Zhang Hawking.Zhang@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 +++ drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 17 ++++++++++++++++- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 2 ++ 3 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index f0924aa3f4e48..0c338dcdde48a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -1864,6 +1864,9 @@ int amdgpu_ras_sysfs_create(struct amdgpu_device *adev, if (!obj || obj->attr_inuse) return -EINVAL;
+ if (amdgpu_sriov_vf(adev) && !amdgpu_virt_ras_telemetry_block_en(adev, head->block)) + return 0; + get_obj(obj);
snprintf(obj->fs_data.sysfs_name, sizeof(obj->fs_data.sysfs_name), diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 13e5709ea1caa..e6f0152e5b087 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -1247,7 +1247,8 @@ amdgpu_ras_block_to_sriov(struct amdgpu_device *adev, enum amdgpu_ras_block bloc case AMDGPU_RAS_BLOCK__MPIO: return RAS_TELEMETRY_GPU_BLOCK_MPIO; default: - dev_err(adev->dev, "Unsupported SRIOV RAS telemetry block 0x%x\n", block); + DRM_WARN_ONCE("Unsupported SRIOV RAS telemetry block 0x%x\n", + block); return RAS_TELEMETRY_GPU_BLOCK_COUNT; } } @@ -1332,3 +1333,17 @@ int amdgpu_virt_ras_telemetry_post_reset(struct amdgpu_device *adev)
return 0; } + +bool amdgpu_virt_ras_telemetry_block_en(struct amdgpu_device *adev, + enum amdgpu_ras_block block) +{ + enum amd_sriov_ras_telemetry_gpu_block sriov_block; + + sriov_block = amdgpu_ras_block_to_sriov(adev, block); + + if (sriov_block >= RAS_TELEMETRY_GPU_BLOCK_COUNT || + !amdgpu_sriov_ras_telemetry_block_en(adev, sriov_block)) + return false; + + return true; +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 0ca73343a7689..0f3ccae5c1ab3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -407,4 +407,6 @@ bool amdgpu_virt_get_ras_capability(struct amdgpu_device *adev); int amdgpu_virt_req_ras_err_count(struct amdgpu_device *adev, enum amdgpu_ras_block block, struct ras_err_data *err_data); int amdgpu_virt_ras_telemetry_post_reset(struct amdgpu_device *adev); +bool amdgpu_virt_ras_telemetry_block_en(struct amdgpu_device *adev, + enum amdgpu_ras_block block); #endif