[PATCH] drm/amd/pm: Fix temperature unit of SMU v13.0.6

[Wang, Yang(Kevin)]

[AMD Official Use Only - General]

Reviewed-by: Yang Wang <kevinyang.wang at amd.com>

Best Regards,
Kevin

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Lijo Lazar
Sent: Thursday, August 10, 2023 6:46 PM
To: amd-gfx at lists.freedesktop.org
Cc: Deucher, Alexander <Alexander.Deucher at amd.com>; Ma, Le <Le.Ma at amd.com>; Kamal, Asad <Asad.Kamal at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>
Subject: [PATCH] drm/amd/pm: Fix temperature unit of SMU v13.0.6

Temperature needs to be reported in millidegree Celsius.

Signed-off-by: Lijo Lazar <lijo.lazar at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index 244e6d31560d..da8ba1aa57eb 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -708,16 +708,19 @@ static int smu_v13_0_6_get_smu_metrics_data(struct smu_context *smu,
                *value = SMUQ10_TO_UINT(metrics->SocketPower) << 8;
                break;
        case METRICS_TEMPERATURE_HOTSPOT:
-               *value = SMUQ10_TO_UINT(metrics->MaxSocketTemperature);
+               *value = SMUQ10_TO_UINT(metrics->MaxSocketTemperature) *
+                        SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
                break;
        case METRICS_TEMPERATURE_MEM:
-               *value = SMUQ10_TO_UINT(metrics->MaxHbmTemperature);
+               *value = SMUQ10_TO_UINT(metrics->MaxHbmTemperature) *
+                        SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
                break;
        /* This is the max of all VRs and not just SOC VR.
         * No need to define another data type for the same.
         */
        case METRICS_TEMPERATURE_VRSOC:
-               *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature);
+               *value = SMUQ10_TO_UINT(metrics->MaxVrTemperature) *
+                        SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
                break;
        default:
                *value = UINT_MAX;
--
2.25.1