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drm/amd/pm: Add mem_busy_percent for GCv9.4.3 apu

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Expose sysfs entry mem_busy_percent for GC version
9.4.3 APU system

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal 2023-12-22 18:24:20 +08:00 • committed by Alex Deucher
parent 217e85f970
commit 5df0f0b3b4
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/amd/pm/amdgpu_pm.c
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@ -2168,7 +2168,9 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
if (amdgpu_dpm_is_overdrive_supported(adev))
*states = ATTR_STATE_SUPPORTED;
} else if (DEVICE_ATTR_IS(mem_busy_percent)) {
if (adev->flags & AMD_IS_APU || gc_ver == IP_VERSION(9, 0, 1))
if ((adev->flags & AMD_IS_APU &&
gc_ver != IP_VERSION(9, 4, 3)) ||
gc_ver == IP_VERSION(9, 0, 1))
*states = ATTR_STATE_UNSUPPORTED;
} else if (DEVICE_ATTR_IS(pcie_bw)) {
/* PCIe Perf counters won't work on APU nodes */