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drm/amd/pm: Return -EOPNOTSUPP when can't read power limit

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So that hwmon_attributes_visible() will see that the power2_cap
attributes should not be visible on GPUs that don't support
the get_power_limit() function.

This fixes an error when running the "sensors" command on SI.

Fixes: 12c958d1db ("drm/amd/pm: Expose ppt1 limit for gc_v9_5_0")
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Timur Kristóf
2026-01-19 21:36:25 +01:00
committed by Alex Deucher
parent 966d70f1e1
commit e53dcefe30
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/pm/amdgpu_dpm.c
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@@ -1569,7 +1569,7 @@ int amdgpu_dpm_get_power_limit(struct amdgpu_device *adev,
int ret = 0;
if (!pp_funcs->get_power_limit)
return -ENODATA;
return -EOPNOTSUPP;
mutex_lock(&adev->pm.mutex);
ret = pp_funcs->get_power_limit(adev->powerplay.pp_handle,