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diff --git a/sys/dev/acpica/acpi_spmc.c b/sys/dev/acpica/acpi_spmc.c
--- a/sys/dev/acpica/acpi_spmc.c
+++ b/sys/dev/acpica/acpi_spmc.c
@@ -47,6 +47,7 @@
/* Only for Microsoft DSM set. */
DSM_MODERN_ENTRY_NOTIF = 7,
DSM_MODERN_EXIT_NOTIF = 8,
+ DSM_MODERN_TURN_ON_DISPLAY = 9,
};
enum amd_dsm_index {
@@ -69,7 +70,9 @@
const char *name;
int revision;
struct uuid uuid;
+ uint64_t dsms_supported;
uint64_t dsms_expected;
+ uint64_t extra_dsms;
};
static struct dsm_set intel_dsm_set = {
@@ -109,6 +112,7 @@
(1 << DSM_DISPLAY_ON_NOTIF) | (1 << DSM_ENTRY_NOTIF) |
(1 << DSM_EXIT_NOTIF) | (1 << DSM_MODERN_ENTRY_NOTIF) |
(1 << DSM_MODERN_EXIT_NOTIF),
+ .extra_dsms = (1 << DSM_MODERN_TURN_ON_DISPLAY),
};
static struct dsm_set amd_dsm_set = {
@@ -258,6 +262,8 @@
{
uint64_t dsms_supported = acpi_DSMQuery(handle,
(uint8_t *)&dsm_set->uuid, dsm_set->revision);
+ const uint64_t min_dsms = dsm_set->dsms_expected;
+ const uint64_t max_dsms = min_dsms | dsm_set->extra_dsms;
/*
* Check if DSM set supported at all. We do this by checking the
@@ -266,14 +272,19 @@
if ((dsms_supported & 1) == 0)
return;
dsms_supported &= ~1;
- if ((dsms_supported & dsm_set->dsms_expected)
- != dsm_set->dsms_expected) {
+ dsm_set->dsms_supported = dsms_supported;
+ sc->dsm_sets |= dsm_set->flag;
+
+ if ((dsms_supported & min_dsms) != min_dsms)
device_printf(sc->dev, "DSM set %s does not support expected "
"DSMs (%#" PRIx64 " vs %#" PRIx64 "). "
"Some methods may fail.\n",
- dsm_set->name, dsms_supported, dsm_set->dsms_expected);
- }
- sc->dsm_sets |= dsm_set->flag;
+ dsm_set->name, dsms_supported, min_dsms);
+
+ if ((dsms_supported & ~max_dsms) != 0)
+ device_printf(sc->dev, "DSM set %s supports more DSMs than "
+ "expected (%#" PRIx64 " vs %#" PRIx64 ").", dsm_set->name,
+ dsms_supported, max_dsms);
}
static void
@@ -598,6 +609,10 @@
acpi_spmc_run_dsm(dev, &amd_dsm_set, AMD_DSM_EXIT_NOTIF);
if ((sc->dsm_sets & DSM_SET_MS) != 0) {
acpi_spmc_run_dsm(dev, &ms_dsm_set, DSM_EXIT_NOTIF);
+ if (ms_dsm_set.dsms_supported &
+ (1 << DSM_MODERN_TURN_ON_DISPLAY))
+ acpi_spmc_run_dsm(dev, &ms_dsm_set,
+ DSM_MODERN_TURN_ON_DISPLAY);
acpi_spmc_run_dsm(dev, &ms_dsm_set, DSM_MODERN_EXIT_NOTIF);
}
}

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