2 files changed, 18 insertions, 0 deletions

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index f7619600270a..af308d03f492 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -204,6 +204,23 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                 },
         },
         {
+        /*
+         * There have a NVIF method in MSI GX723 DSDT need call by Nvidia
+         * driver (e.g. nouveau) when user press brightness hotkey.
+         * Currently, nouveau driver didn't do the job and it causes there
+         * have a infinite while loop in DSDT when user press hotkey.
+         * We add MSI GX723's dmi information to this table for workaround
+         * this issue.
+         * Will remove MSI GX723 from the table after nouveau grows support.
+         */
+        .callback = dmi_disable_osi_vista,
+        .ident = "MSI GX723",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "GX723"),
+                },
+        },
+        {
         .callback = dmi_disable_osi_vista,
         .ident = "Sony VGN-NS10J_S",
         .matches = {
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index b618f888d66b..bec561c14beb 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -346,4 +346,5 @@ void __init acpi_early_processor_set_pdc(void)
         acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
                             ACPI_UINT32_MAX,
                             early_init_pdc, NULL, NULL, NULL);
+        acpi_get_devices("ACPI0007", early_init_pdc, NULL, NULL);
 }