drm/amd/powerplay: set max fan target temperature as 105C

A workaround to override the fan target temperature in SMC table.

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

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
index 97f8a1a..7a7f15d 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
@@ -32,6 +32,8 @@
 #include "cgs_common.h"
 #include "vega20_pptable.h"
 
+#define VEGA20_FAN_TARGET_TEMPERATURE_OVERRIDE 105
+
 static void set_hw_cap(struct pp_hwmgr *hwmgr, bool enable,
                enum phm_platform_caps cap)
 {
@@ -798,6 +800,17 @@ static int append_vbios_pptable(struct pp_hwmgr *hwmgr, PPTable_t *ppsmc_pptable
        return 0;
 }
 
+static int override_powerplay_table_fantargettemperature(struct pp_hwmgr *hwmgr)
+{
+       struct phm_ppt_v3_information *pptable_information =
+               (struct phm_ppt_v3_information *)hwmgr->pptable;
+       PPTable_t *ppsmc_pptable = (PPTable_t *)(pptable_information->smc_pptable);
+
+       ppsmc_pptable->FanTargetTemperature = VEGA20_FAN_TARGET_TEMPERATURE_OVERRIDE;
+
+       return 0;
+}
+
 #define VEGA20_ENGINECLOCK_HARDMAX 198000
 static int init_powerplay_table_information(
                struct pp_hwmgr *hwmgr,
@@ -887,6 +900,10 @@ static int init_powerplay_table_information(
 
 
        result = append_vbios_pptable(hwmgr, (pptable_information->smc_pptable));
+       if (result)
+               return result;
+
+       result = override_powerplay_table_fantargettemperature(hwmgr);
 
        return result;
 }