Re: [PATCH 2/2] drm/amd/powerplay: hint when power profile setting is not supported

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Series is:

Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>


From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Evan Quan <evan.quan@xxxxxxx>
Sent: Wednesday, October 10, 2018 4:13:15 AM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Quan, Evan
Subject: [PATCH 2/2] drm/amd/powerplay: hint when power profile setting is not supported
 
Give user some hints when the power profile setting is not supported.

Change-Id: Iba2b938d02a039ccdee32f9aca185f79fd818796
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 6bc8e9c08b0c..343d7f506bb4 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -897,9 +897,14 @@ 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;
 }
--
2.19.1

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