diff options
| author | Sean Rhodes <sean@starlabs.systems> | 2023-08-08 13:46:53 +0100 |
|---|---|---|
| committer | Martin L Roth <gaumless@gmail.com> | 2023-09-26 16:19:56 +0000 |
| commit | 42f8b59c119309c49b8153dcedec19674ef7f435 (patch) | |
| tree | 6e6f88e5769110094fd7933bb6d74021468d9aac /src/mainboard | |
| parent | fa259540668fe4f42865a73df1809c9d37ac92ae (diff) | |
soc/intel/alderlake: Move C State Demotion to mainboard config
Rather than disabling C State demotions for every single Raptor
Lake board due to an issue with S0ix, regardless of if they even
use S0ix, configure it in the mainboard.
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Change-Id: I4f941a549bc717ae2f8ec961ead7ac7668347c99
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77087
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Diffstat (limited to 'src/mainboard')
4 files changed, 14 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb index d48462ca63..0290181714 100644 --- a/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb +++ b/src/mainboard/google/brya/variants/baseboard/brya/devicetree.cb @@ -14,6 +14,10 @@ chip soc/intel/alderlake # S0ix enable register "s0ix_enable" = "1" + # Disable package C state demotion on Raptorlake as a W/A for S0ix issues + # seen on J0 and Q0 SKUs + register "disable_package_c_state_demotion" = "1" + # DPTF enable register "dptf_enable" = "1" diff --git a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl/overridetree.cb b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl/overridetree.cb index e58e9fbdce..73012d1032 100644 --- a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl/overridetree.cb +++ b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl/overridetree.cb @@ -1,4 +1,7 @@ chip soc/intel/alderlake + # Disable package C state demotion on Raptorlake as a W/A for S0ix issues + # seen on J0 and Q0 SKUs + register "disable_package_c_state_demotion" = "1" device domain 0 on end end diff --git a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb index fc4c11c496..8bc35c03f2 100644 --- a/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb +++ b/src/mainboard/intel/adlrvp/variants/adlrvp_rpl_ext_ec/overridetree.cb @@ -1,4 +1,7 @@ chip soc/intel/alderlake + # Disable package C state demotion on Raptorlake as a W/A for S0ix issues + # seen on J0 and Q0 SKUs + register "disable_package_c_state_demotion" = "1" device domain 0 on device ref pch_espi on diff --git a/src/mainboard/system76/rpl/devicetree.cb b/src/mainboard/system76/rpl/devicetree.cb index 0fed44d889..a016dec962 100644 --- a/src/mainboard/system76/rpl/devicetree.cb +++ b/src/mainboard/system76/rpl/devicetree.cb @@ -17,6 +17,10 @@ chip soc/intel/alderlake # Thermal register "tcc_offset" = "8" + # Disable package C state demotion on Raptorlake as a W/A for S0ix issues + # seen on J0 and Q0 SKUs + register "disable_package_c_state_demotion" = "1" + device cpu_cluster 0 on end device domain 0 on |