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Remove handling _PSS notifies from acpi_cpu and let acpi_perf handle them.

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This commit is contained in:
Nate Lawson 2005-02-07 04:03:06 +00:00
parent 98c926b20f
commit 8b888c66d7
2 changed files with 13 additions and 18 deletions
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24
sys/dev/acpica/acpi_cpu.c
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@ -94,8 +94,7 @@ struct acpi_cpu_device {
#define PM_USEC(x) ((x) >> 2) /* ~4 clocks per usec (3.57955 Mhz) */
#define ACPI_CPU_NOTIFY_PERF_STATES 0x80 /* _PSS changed. */
#define ACPI_CPU_NOTIFY_CX_STATES 0x81 /* _CST changed. */
#define ACPI_NOTIFY_CX_STATES 0x81 /* _CST changed. */
#define CPU_QUIRK_NO_C3 (1<<0) /* C3-type states are not usable. */
#define CPU_QUIRK_NO_BM_CTRL (1<<2) /* No bus mastering control. */
@ -848,8 +847,7 @@ acpi_cpu_idle()
}
/*
* Re-evaluate the _PSS and _CST objects when we are notified that they
* have changed.
* Re-evaluate the _CST object when we are notified that it changed.
*
* XXX Re-evaluation disabled until locking is done.
*/
@ -858,19 +856,11 @@ acpi_cpu_notify(ACPI_HANDLE h, UINT32 notify, void *context)
{
struct acpi_cpu_softc *sc = (struct acpi_cpu_softc *)context;
switch (notify) {
case ACPI_CPU_NOTIFY_PERF_STATES:
device_printf(sc->cpu_dev, "Performance states changed\n");
/* acpi_cpu_px_available(sc); */
break;
case ACPI_CPU_NOTIFY_CX_STATES:
device_printf(sc->cpu_dev, "Cx states changed\n");
/* acpi_cpu_cx_cst(sc); */
break;
default:
device_printf(sc->cpu_dev, "Unknown notify %#x\n", notify);
break;
}
if (notify != ACPI_NOTIFY_CX_STATES)
return;
device_printf(sc->cpu_dev, "Cx states changed\n");
/* acpi_cpu_cx_cst(sc); */
}
static int

7
sys/dev/acpica/acpi_perf.c
View File

@ -87,6 +87,8 @@ struct acpi_perf_softc {
(bus_space_write_4(rman_get_bustag((reg)), \
rman_get_bushandle((reg)), 0, (val)))
#define ACPI_NOTIFY_PERF_STATES 0x80 /* _PSS changed. */
static void acpi_perf_identify(driver_t *driver, device_t parent);
static int acpi_perf_probe(device_t dev);
static int acpi_perf_attach(device_t dev);
@ -144,7 +146,7 @@ acpi_perf_identify(driver_t *driver, device_t parent)
if (ACPI_FAILURE(AcpiEvaluateObject(handle, "_PSS", NULL, NULL)))
return;
if (BUS_ADD_CHILD(parent, 0, "acpi_perf", 0) == NULL)
device_printf(parent, "acpi_perf: add child failed\n");
device_printf(parent, "add acpi_perf child failed\n");
}
static int
@ -322,6 +324,9 @@ acpi_px_notify(ACPI_HANDLE h, UINT32 notify, void *context)
struct acpi_perf_softc *sc;
sc = context;
if (notify != ACPI_NOTIFY_PERF_STATES)
return;
acpi_px_available(sc);
/* TODO: Implement notification when frequency changes. */