gpu: Add Intel GMA500(Poulsbo) Stub Driver

Currently, there have no GMA500(Poulsbo) native video driver to support
intel opregion. So, use this stub driver to enable the acpi backlight
control sysfs entry files by requrest acpi_video_register.

[airlied: fix warnings]

Signed-off-by: Lee, Chun-Yi <jlee@novell.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig
new file mode 100644
index 000000000000..742c423567cf
--- /dev/null
+++ b/drivers/gpu/stub/Kconfig
@@ -0,0 +1,13 @@
+config STUB_POULSBO
+        tristate "Intel GMA500 Stub Driver"
+        depends on PCI
+        # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled
+        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select ACPI_VIDEO if ACPI
+        help
+          Choose this option if you have a system that has Intel GMA500
+          (Poulsbo) integrated graphics. If M is selected, the module will
+          be called Poulsbo. This driver is a stub driver for Poulsbo that
+          will call poulsbo.ko to enable the acpi backlight control sysfs
+          entry file because there have no poulsbo native driver can support
+          intel opregion.