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drm/amdgpu: Check pcie replays reporting support

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Check if pcie replay count reporting is supported before creating sysfs
attribute.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Acked-by: Mangesh Gadre <Mangesh.Gadre@amd.com>
Reviewed-by: Asad Kamal <asad.kamal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2025-05-29 12:49:30 +05:30 • committed by Alex Deucher
parent c09910b511
commit 196aefea44
3 changed files with 13 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -232,7 +232,7 @@ static int amdgpu_device_attr_sysfs_init(struct amdgpu_device *adev)
{
int ret = 0;
if (!amdgpu_sriov_vf(adev))
if (amdgpu_nbio_is_replay_cnt_supported(adev))
ret = sysfs_create_file(&adev->dev->kobj,
&dev_attr_pcie_replay_count.attr);
@ -241,7 +241,7 @@ static int amdgpu_device_attr_sysfs_init(struct amdgpu_device *adev)
static void amdgpu_device_attr_sysfs_fini(struct amdgpu_device *adev)
{
if (!amdgpu_sriov_vf(adev))
if (amdgpu_nbio_is_replay_cnt_supported(adev))
sysfs_remove_file(&adev->dev->kobj,
&dev_attr_pcie_replay_count.attr);
}

9
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.c
View file

@ -53,6 +53,15 @@ u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev)
return 0;
}
bool amdgpu_nbio_is_replay_cnt_supported(struct amdgpu_device *adev)
{
if (amdgpu_sriov_vf(adev) || !adev->asic_funcs->get_pcie_replay_count ||
(!adev->nbio.funcs || !adev->nbio.funcs->get_pcie_replay_count))
return false;
return true;
}
int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
{
int r;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
View file

@ -119,4 +119,6 @@ int amdgpu_nbio_ras_sw_init(struct amdgpu_device *adev);
int amdgpu_nbio_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block);
u64 amdgpu_nbio_get_pcie_replay_count(struct amdgpu_device *adev);
bool amdgpu_nbio_is_replay_cnt_supported(struct amdgpu_device *adev);
#endif