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drm/amd/pm: refine amdgpu pm sysfs node error code

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v1:
Returns different error codes based on the scenario to help the user app understand
the AMDGPU device status when an exception occurs.

v2:
change -NODEV to -EBUSY.

Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yang Wang 2025-09-03 14:29:12 +08:00 committed by Alex Deucher
parent bddf30944d
commit cf32515a70
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/amd/pm/amdgpu_pm.c
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@ -110,9 +110,10 @@ static int amdgpu_pm_dev_state_check(struct amdgpu_device *adev, bool runpm)
bool runpm_check = runpm ? adev->in_runpm : false;
if (amdgpu_in_reset(adev))
return -EPERM;
return -EBUSY;
if (adev->in_suspend && !runpm_check)
return -EPERM;
return -EBUSY;
return 0;
}