diff options
| -rw-r--r-- | src/soc/intel/common/block/acpi/pep.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/acpi/pep.c b/src/soc/intel/common/block/acpi/pep.c index 139943865f..8028b8147c 100644 --- a/src/soc/intel/common/block/acpi/pep.c +++ b/src/soc/intel/common/block/acpi/pep.c @@ -17,6 +17,8 @@ #define MAINBOARD_DISPLAY_HOOK "\\_SB.MDSX" #define ENABLE_PM_BITS_HOOK "\\_SB.PCI0.EGPM" #define RESTORE_PM_BITS_HOOK "\\_SB.PCI0.RGPM" +#define THUNDERBOLT_DEVICE "\\_SB.PCI0.TXHC" +#define THUNDERBOLT_IOM_DPOF "\\_SB.PCI0.DPOF" #define LPI_STATES_ALL 0xff #define MIN_DEVICE_STATE ACPI_DEVICE_SLEEP_D0 #define PEPD_SCOPE "\\_SB.PCI0" @@ -129,6 +131,11 @@ static void lpi_s0ix_entry(void *unused) acpigen_write_if_cond_ref_of(ENABLE_PM_BITS_HOOK); acpigen_emit_namestring(ENABLE_PM_BITS_HOOK); acpigen_write_if_end(); + + /* Handle Thunderbolt displays */ + acpigen_write_if_cond_ref_of(THUNDERBOLT_DEVICE); + acpigen_write_store_int_to_namestr(1, THUNDERBOLT_IOM_DPOF); + acpigen_write_if_end(); } static void lpi_s0ix_exit(void *unused) @@ -149,6 +156,11 @@ static void lpi_s0ix_exit(void *unused) acpigen_write_if_cond_ref_of(RESTORE_PM_BITS_HOOK); acpigen_emit_namestring(RESTORE_PM_BITS_HOOK); acpigen_write_if_end(); + + /* Handle Thunderbolt displays */ + acpigen_write_if_cond_ref_of(THUNDERBOLT_DEVICE); + acpigen_write_store_int_to_namestr(0, THUNDERBOLT_IOM_DPOF); + acpigen_write_if_end(); } static void lpi_display_on(void *unused) |