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authorEvan Quan <evan.quan@amd.com>2019-02-25 14:59:37 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-03-11 14:28:43 -0500
commit8f2bf884114c118f6aa11dd380c5dd7ce60380dc (patch)
tree388bac4278958885e9875827da2dffa113e6590d /drivers/gpu
parent59d3191f14dc18881fec1172c7096b7863622803 (diff)
downloadlinux-8f2bf884114c118f6aa11dd380c5dd7ce60380dc.tar.bz2
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
index 97f8a1a970c3..7a7f15d0c53a 100644
--- 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;
}