[PATCH] drm/amd/powerplay: correct LoadLineResistance value in pptable.
Rex Zhu
Rex.Zhu at amd.com
Tue May 2 06:49:28 UTC 2017
this value is used by avfs to adjust inversion voltage.
Change-Id: Ic6520c184ae938384d9f5e1590ecaf864fa9f95a
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c | 4 ++--
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
index 692f752..3f72268 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
@@ -48,8 +48,8 @@ void vega10_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
table->Tliquid1Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid1);
table->Tliquid2Limit = cpu_to_le16(tdp_table->usTemperatureLimitLiquid2);
table->TplxLimit = cpu_to_le16(tdp_table->usTemperatureLimitPlx);
- table->LoadLineResistance = cpu_to_le16(
- hwmgr->platform_descriptor.LoadLineSlope);
+ table->LoadLineResistance =
+ hwmgr->platform_descriptor.LoadLineSlope * 256;
table->FitLimit = 0; /* Not used for Vega10 */
table->Liquid1_I2C_address = tdp_table->ucLiquid1_I2C_address;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
index 8b55ae0..00e9551 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
@@ -407,7 +407,7 @@ static int get_tdp_table(
tdp_table->ucPlx_I2C_address = power_tune_table->ucPlx_I2C_address;
tdp_table->ucPlx_I2C_Line = power_tune_table->ucPlx_I2C_LineSCL;
tdp_table->ucPlx_I2C_LineSDA = power_tune_table->ucPlx_I2C_LineSDA;
- hwmgr->platform_descriptor.LoadLineSlope = power_tune_table->usLoadLineResistance;
+ hwmgr->platform_descriptor.LoadLineSlope = le16_to_cpu(power_tune_table->usLoadLineResistance);
} else {
power_tune_table_v2 = (ATOM_Vega10_PowerTune_Table_V2 *)table;
tdp_table->usMaximumPowerDeliveryLimit = le16_to_cpu(power_tune_table_v2->usSocketPowerLimit);
@@ -453,7 +453,7 @@ static int get_tdp_table(
tdp_table->ucPlx_I2C_LineSDA = sda;
hwmgr->platform_descriptor.LoadLineSlope =
- power_tune_table_v2->usLoadLineResistance;
+ le16_to_cpu(power_tune_table_v2->usLoadLineResistance);
}
*info_tdp_table = tdp_table;
--
1.9.1
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