drm/amd/powerplay: correct LoadLineResistance value in pptable.

this value is used by avfs to adjust inversion voltage.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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;

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;