[coreboot-gerrit] [XS] Change in coreboot[main]: soc/intel/alderlake: Fix incorrect reporting of S0ix

[Sean Rhodes (Code Review)]

Sean Rhodes has submitted this change. ( https://review.coreboot.org/c/coreboot/+/86089?usp=email )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: soc/intel/alderlake: Fix incorrect reporting of S0ix
......................................................................

soc/intel/alderlake: Fix incorrect reporting of S0ix

If S0ix is not enabled, then it should not be reported that it
is supported.

TEST=boot linux on starlabs/starlite_adl, check s2idle isn't
listed under `/sys/power/mem_sleep`.

Change-Id: Ia31fbfd0b9795990b0ca98220bb002bf2c3857b2
Signed-off-by: Sean Rhodes 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86089
Tested-by: build bot (Jenkins) 
Reviewed-by: Subrata Banik 
---
M src/soc/intel/alderlake/cpu.c
1 file changed, 4 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Subrata Banik: Looks good to me, approved

diff --git a/src/soc/intel/alderlake/cpu.c b/src/soc/intel/alderlake/cpu.c
index 00c683c..9e4ed52 100644
--- a/src/soc/intel/alderlake/cpu.c
+++ b/src/soc/intel/alderlake/cpu.c
@@ -323,6 +323,10 @@

uint8_t get_supported_lpm_mask(void)
 {
+	const config_t *conf = config_of_soc();
+	if (!conf->s0ix_enable)
+		return 0;
+
    enum adl_cpu_type type = get_adl_cpu_type();
    switch (type) {
    case ADL_M: /* fallthrough */