[PATCH v2] drm/amd/pm: Fix critical temp 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
________________________________
发件人: Kamal, Asad <Asad.Kamal at amd.com>
发送时间: 星期五, 八月 18, 2023 19:01
收件人: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>
抄送: Lazar, Lijo <Lijo.Lazar at amd.com>; Zhang, Morris <Shiwu.Zhang at amd.com>; Kamal, Asad <Asad.Kamal at amd.com>; Ma, Le <Le.Ma at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>
主题: [PATCH v2] drm/amd/pm: Fix critical temp unit of SMU v13.0.6

Critical Temperature needs to be reported in
millidegree Celsius.

Signed-off-by: Asad Kamal <asad.kamal at amd.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 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 7d8af9b309b7..d3b578e6bc2a 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
@@ -2086,7 +2086,7 @@ static int smu_v13_0_6_get_thermal_temperature_range(struct smu_context *smu,
                                                      struct smu_temperature_range *range)
 {
         struct amdgpu_device *adev = smu->adev;
-       u32 aid_temp, xcd_temp;
+       u32 aid_temp, xcd_temp, mem_temp;
         uint32_t smu_version;
         u32 ccd_temp = 0;
         int ret;
@@ -2119,13 +2119,14 @@ static int smu_v13_0_6_get_thermal_temperature_range(struct smu_context *smu,
         if (ret)
                 goto failed;

-       range->hotspot_crit_max = max3(aid_temp, xcd_temp, ccd_temp);
+       range->hotspot_crit_max = max3(aid_temp, xcd_temp, ccd_temp) *
+                                      SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
         ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GetCTFLimit,
-                                             PPSMC_HBM_THM_TYPE, &range->mem_crit_max);
+                                             PPSMC_HBM_THM_TYPE, &mem_temp);
         if (ret)
                 goto failed;

-       return 0;
+       range->mem_crit_max = mem_temp * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;
 failed:
         return ret;
 }
--
2.34.1

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