ACPI: DMI to disable Vista compatibility on some Sony laptops (35a7c64f) · Commits · e / devices / android_kernel_xiaomi_markw

Linux claims Vista compatibility to the BIOS for a number of reasons, but this brings hard lockup on some Sony laptops. Disable Vista compatibility via DMI for these laptops unless we can figure out what Vista is doing for this platform. http://bugzilla.kernel.org/show_bug.cgi?id=12904 Signed-off-by:

Zhang Rui <rui.zhang@intel.com> Signed-off-by:

Len Brown <len.brown@intel.com>

drivers/acpi/blacklist.c

+16 −0

Original line number	Diff line number	Diff line
		@@ -192,6 +192,22 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
		DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
		},
		},
		{
		.callback = dmi_disable_osi_vista,
		.ident = "Sony VGN-NS10J_S",
		.matches = {
		DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
		DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NS10J_S"),
		},
		},
		{
		.callback = dmi_disable_osi_vista,
		.ident = "Sony VGN-SR290J",
		.matches = {
		DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
		DMI_MATCH(DMI_PRODUCT_NAME, "Sony VGN-SR290J"),
		},
		},

		/*
		* BIOS invocation of _OSI(Linux) is almost always a BIOS bug.