Commit 876c184b authored by Thomas Rosner's avatar Thomas Rosner Committed by Len Brown
Browse files

[ACPI] Disable C2/C3 for _all_ IBM R40e Laptops 

This adds all known BIOS versions of IBM R40e Laptops to the C2/C3
processor state blacklist and thus prevents them from crashing.
workaround for http://bugzilla.kernel.org/show_bug.cgi?id=3549



Signed-off-by: default avatarThomas Rosner <kernel-bugs@digital-trauma.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 0aec63e6

drivers/acpi/processor_idle.c

+51 −16
Original line number Diff line number Diff line
@@ -96,21 +96,56 @@ static int set_max_cstate(struct dmi_system_id *id) 


static struct dmi_system_id __initdata processor_power_dmi_table[] = {

	{ set_max_cstate, "IBM ThinkPad R40e", {

					       DMI_MATCH(DMI_BIOS_VENDOR,

							 "IBM"),

					       DMI_MATCH(DMI_BIOS_VERSION,

							 "1SET60WW")},

	 (void *)1},

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW")}, (void *)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET43WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET45WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET47WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET50WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET52WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET55WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET56WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET59WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET61WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET62WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET64WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET65WW") }, (void*)1},

	{ set_max_cstate, "IBM ThinkPad R40e", {

	  DMI_MATCH(DMI_BIOS_VENDOR,"IBM"),

	  DMI_MATCH(DMI_BIOS_VERSION,"1SET68WW") }, (void*)1},

	{ set_max_cstate, "Medion 41700", {

					  DMI_MATCH(DMI_BIOS_VENDOR,

						    "Phoenix Technologies LTD"),

					  DMI_MATCH(DMI_BIOS_VERSION,

						    "R01-A1J")}, (void *)1},

	  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,

						   "SHE845M0.86C.0013.D.0302131307")},

	  DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),

	  DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307")},

	 (void *)2},

	{},

};

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