diff options
| author | David Shaohua Li <shaohua.li@intel.com> | 2005-06-22 18:37:00 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-07-29 18:06:29 -0400 |
| commit | 335f16be5d917334f56ec9ef7ecf983476ac0563 (patch) | |
| tree | 6d3717a57c1be1edbfa0593e41232c503cfeac2e /drivers/acpi/processor_idle.c | |
| parent | 0b6b2f08c24a65535cb18893ca27516389c5fc0f (diff) | |
| download | lwn-335f16be5d917334f56ec9ef7ecf983476ac0563.tar.gz lwn-335f16be5d917334f56ec9ef7ecf983476ac0563.zip | |
[ACPI] address boot-freeze with updated DMI blacklist for c-states
http://bugzilla.kernel.org/show_bug.cgi?id=4763
Signed-off-by: David Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 42b34f5df98b..3702725db97a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -81,30 +81,33 @@ module_param(bm_history, uint, 0644); * * To skip this limit, boot/load with a large max_cstate limit. */ -static int no_c2c3(struct dmi_system_id *id) +static int set_max_cstate(struct dmi_system_id *id) { if (max_cstate > ACPI_PROCESSOR_MAX_POWER) return 0; - printk(KERN_NOTICE PREFIX "%s detected - C2,C3 disabled." + printk(KERN_NOTICE PREFIX "%s detected - %s disabled." " Override with \"processor.max_cstate=%d\"\n", id->ident, + ((int)id->driver_data == 1)? "C2,C3":"C3", ACPI_PROCESSOR_MAX_POWER + 1); - max_cstate = 1; + max_cstate = (int)id->driver_data; return 0; } - - static struct dmi_system_id __initdata processor_power_dmi_table[] = { - { no_c2c3, "IBM ThinkPad R40e", { + { set_max_cstate, "IBM ThinkPad R40e", { DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), - DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }}, - { no_c2c3, "Medion 41700", { + DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1}, + { set_max_cstate, "Medion 41700", { + DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }, (void*)1}, + { set_max_cstate, "Clevo 5600D", { DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }}, + DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307") }, + (void*)2}, {}, }; |