[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>

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},
         {},
 };