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From d8937d0827eee55df4075266c7a3e25d2f5403a1 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Mon, 25 Feb 2019 14:59:37 +0800
Subject: [PATCH 1573/2940] drm/amd/powerplay: set max fan target temperature
as 105C
A workaround to override the fan target temperature in SMC table.
Change-Id: I67845c2fe5f51abde1ac483a979bde43ce2f26d3
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>
---
.../powerplay/hwmgr/vega20_processpptables.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
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;
}
--
2.17.1
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