drm/amd/powerplay: hint when power profile setting is not supported

Give user some hints when the power profile setting is not supported.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 75b56ae032ce77e495f8549c0ca49e0a350f2090..e8964cae6b93dba0c3d183dcc5383fa12734fca3 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -894,9 +894,14 @@ static int pp_set_power_profile_mode(void *handle, long *input, uint32_t size)
                pr_info("%s was not implemented.\n", __func__);
                return ret;
        }
+
+       if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
+               pr_info("power profile setting is for manual dpm mode only.\n");
+               return ret;
+       }
+
        mutex_lock(&hwmgr->smu_lock);
-       if (hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_MANUAL)
-               ret = hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size);
+       ret = hwmgr->hwmgr_func->set_power_profile_mode(hwmgr, input, size);
        mutex_unlock(&hwmgr->smu_lock);
        return ret;
 }