diff options
Diffstat (limited to 'src/mainboard/google/brya/mainboard.c')
| -rw-r--r-- | src/mainboard/google/brya/mainboard.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/src/mainboard/google/brya/mainboard.c b/src/mainboard/google/brya/mainboard.c index 4e0cf080d2..966f19eef4 100644 --- a/src/mainboard/google/brya/mainboard.c +++ b/src/mainboard/google/brya/mainboard.c @@ -132,6 +132,36 @@ static void mainboard_generate_dgpu_shutdown(const struct device *dev) acpigen_emit_namestring(acpi_device_path_join(parent, "PGPR._OFF")); } +static void mainboard_generate_mpts(void) +{ + const struct device *wwan = DEV_PTR(rp6_wwan); + const struct device *dgpu = DEV_PTR(dgpu); + + /* + * If HAVE_WWAN_POWER_SEQUENCE is selected, MPTS will be added to the + * DSDT via wwan_power.asl. We can't add MPTS to the SSDT as well, + * since the duplicate definition will result in a kernel error. + * + * This special case can be removed in the future if the power-off + * sequences for all WWAN devices used on brya are moved to the SSDT. + */ + if (CONFIG(HAVE_WWAN_POWER_SEQUENCE)) { + if (wwan || dgpu) + printk(BIOS_ERR, "Skip adding duplicate MPTS entry to SSDT\n"); + return; + } + + acpigen_write_scope("\\_SB"); + acpigen_write_method_serialized("MPTS", 1); + if (wwan) + mainboard_generate_wwan_shutdown(wwan); + if (dgpu) + mainboard_generate_dgpu_shutdown(dgpu); + + acpigen_write_method_end(); /* Method */ + acpigen_write_scope_end(); /* Scope */ +} + static void mainboard_generate_s0ix_hook(void) { acpigen_write_if_lequal_op_int(ARG0_OP, 1); @@ -151,18 +181,7 @@ static void mainboard_generate_s0ix_hook(void) static void mainboard_fill_ssdt(const struct device *dev) { - const struct device *wwan = DEV_PTR(rp6_wwan); - const struct device *dgpu = DEV_PTR(dgpu); - - acpigen_write_scope("\\_SB"); - acpigen_write_method_serialized("MPTS", 1); - if (wwan) - mainboard_generate_wwan_shutdown(wwan); - if (dgpu) - mainboard_generate_dgpu_shutdown(dgpu); - - acpigen_write_method_end(); /* Method */ - acpigen_write_scope_end(); /* Scope */ + mainboard_generate_mpts(); /* for variant to fill additional SSDT */ variant_fill_ssdt(dev); |