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drm/amdgpu/pm: Don't show pp_power_profile_mode for unsupported devices

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For ASICs not supporting power profile mode, don't show the attribute.
Verify that the function has been implemented by the subsystem.

Suggested-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mario Limonciello
2021-10-29 16:09:26 -05:00
committed by Alex Deucher
parent a035be8a05
commit a750559132
3 changed files with 13 additions and 16 deletions
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11
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
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@@ -2534,13 +2534,15 @@ static int smu_get_power_profile_mode(void *handle, char *buf)
struct smu_context *smu = handle;
int ret = 0;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
!smu->ppt_funcs->get_power_profile_mode)
return -EOPNOTSUPP;
if (!buf)
return -EINVAL;
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_power_profile_mode)
ret = smu->ppt_funcs->get_power_profile_mode(smu, buf);
ret = smu->ppt_funcs->get_power_profile_mode(smu, buf);
mutex_unlock(&smu->mutex);
@@ -2554,7 +2556,8 @@ static int smu_set_power_profile_mode(void *handle,
struct smu_context *smu = handle;
int ret = 0;
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled)
if (!smu->pm_enabled || !smu->adev->pm.dpm_enabled ||
!smu->ppt_funcs->set_power_profile_mode)
return -EOPNOTSUPP;
mutex_lock(&smu->mutex);