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sb/intel/lynxpoint: Drop P_LVLx support in FADT 

IO MWAIT redirection is not enabled, and C-states are reported using the
_CST ACPI object, which overrides the P_LVLx values.

Change-Id: I1b623d19a85045797921b4909e01d5ba521de3ad
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55219
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
This commit is contained in:
Angel Pons 2021-06-04 13:04:34 +02:00 committed by Patrick Georgi
parent 427e435b9b
commit 720dc71bb0
1 changed files with 3 additions and 3 deletions
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6
src/southbridge/intel/lynxpoint/fadt.c
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@ -44,8 +44,9 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
else else
fadt->gpe0_blk_len = 2 * 8; fadt->gpe0_blk_len = 2 * 8;
fadt->p_lvl2_lat = 1; /* P_LVLx not used */
fadt->p_lvl3_lat = 87; fadt->p_lvl2_lat = 101;
fadt->p_lvl3_lat = 1001;
fadt->duty_offset = 0; fadt->duty_offset = 0;
fadt->duty_width = 0; fadt->duty_width = 0;
fadt->day_alrm = 0xd; fadt->day_alrm = 0xd;
@ -55,7 +56,6 @@ void acpi_fill_fadt(acpi_fadt_t *fadt)
fadt->flags |= ACPI_FADT_WBINVD | fadt->flags |= ACPI_FADT_WBINVD |
ACPI_FADT_C1_SUPPORTED | ACPI_FADT_C1_SUPPORTED |
ACPI_FADT_C2_MP_SUPPORTED |
ACPI_FADT_SLEEP_BUTTON | ACPI_FADT_SLEEP_BUTTON |
ACPI_FADT_SEALED_CASE | ACPI_FADT_SEALED_CASE |
ACPI_FADT_S4_RTC_WAKE | ACPI_FADT_S4_RTC_WAKE |