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From: Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org>
To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: Evan Quan <evan.quan-5C7GfCeVMHo@public.gmane.org>
Subject: [PATCH] drm/amd/powerplay: set max fan target temperature as 105C
Date: Mon, 25 Feb 2019 15:06:46 +0800	[thread overview]
Message-ID: <20190225070646.5392-1-evan.quan@amd.com> (raw)

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

Change-Id: I67845c2fe5f51abde1ac483a979bde43ce2f26d3
Signed-off-by: Evan Quan <evan.quan@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;
 }
-- 
2.20.1

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             reply	other threads:[~2019-02-25  7:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-25  7:06 Evan Quan [this message]
     [not found] ` <20190225070646.5392-1-evan.quan-5C7GfCeVMHo@public.gmane.org>
2019-02-25  8:02   ` [PATCH] drm/amd/powerplay: set max fan target temperature as 105C Feng, Kenneth
2019-02-25 14:39   ` Deucher, Alexander

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