sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc/intel/alderlake: Allow mainboard to configure c1-state auto-demotion

Browse Source 
FSP has a parameter to enable/disable c1-state autodemotion feature.
Boards/Baseboard can choose to use this feature as per requirement.

This patch hooks up this parameter to devicetree

BUG=b:221876248
BRANCH=firmware-brya-14505.B
TEST=Check code compiles and correct value has been passed to FSP.

Change-Id: I2d7839d8fecd7b5403f52f3926d1d0bc06728ed9
Signed-off-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62629
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
This commit is contained in:
MAULIK V VAGHELA
2022-03-03 13:07:57 +05:30
committed by Nick Vaccaro
parent 215a97ee1c
commit 99356386a6
2 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/soc/intel/alderlake/fsp_params.c
View File

@@ -717,6 +717,8 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
/* PsysPmax is in unit of 1/8 Watt */
s_cfg->PsysPmax = config->platform_pmax * 8;
}
s_cfg->C1StateAutoDemotion = !config->disable_c1_state_auto_demotion;
}
static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg,