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-rw-r--r--drivers/acpi/processor_idle.c21
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);
81 * 81 *
82 * To skip this limit, boot/load with a large max_cstate limit. 82 * To skip this limit, boot/load with a large max_cstate limit.
83 */ 83 */
84static int no_c2c3(struct dmi_system_id *id) 84static int set_max_cstate(struct dmi_system_id *id)
85{ 85{
86 if (max_cstate > ACPI_PROCESSOR_MAX_POWER) 86 if (max_cstate > ACPI_PROCESSOR_MAX_POWER)
87 return 0; 87 return 0;
88 88
89 printk(KERN_NOTICE PREFIX "%s detected - C2,C3 disabled." 89 printk(KERN_NOTICE PREFIX "%s detected - %s disabled."
90 " Override with \"processor.max_cstate=%d\"\n", id->ident, 90 " Override with \"processor.max_cstate=%d\"\n", id->ident,
91 ((int)id->driver_data == 1)? "C2,C3":"C3",
91 ACPI_PROCESSOR_MAX_POWER + 1); 92 ACPI_PROCESSOR_MAX_POWER + 1);
92 93
93 max_cstate = 1; 94 max_cstate = (int)id->driver_data;
94 95
95 return 0; 96 return 0;
96} 97}
97 98
98 99
99
100
101static struct dmi_system_id __initdata processor_power_dmi_table[] = { 100static struct dmi_system_id __initdata processor_power_dmi_table[] = {
102 { no_c2c3, "IBM ThinkPad R40e", { 101 { set_max_cstate, "IBM ThinkPad R40e", {
103 DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), 102 DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),
104 DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }}, 103 DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1},
105 { no_c2c3, "Medion 41700", { 104 { set_max_cstate, "Medion 41700", {
105 DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
106 DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }, (void*)1},
107 { set_max_cstate, "Clevo 5600D", {
106 DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), 108 DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
107 DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }}, 109 DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307") },
110 (void*)2},
108 {}, 111 {},
109}; 112};
110 113