ACPI, i915: build fix

drivers/built-in.o: In function `intel_opregion_init':
(.text+0x9d540): undefined reference to `acpi_video_register'

http://bugzilla.kernel.org/show_bug.cgi?id=13165

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 3a22eb9be378..f33d25279912 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -83,6 +83,12 @@ config DRM_I915
 config DRM_I915_KMS
         bool "Enable modesetting on intel by default"
         depends on DRM_I915
+        # i915 KMS depends on ACPI_VIDEO when ACPI is enabled
+        # but for select to work, need to select ACPI_VIDEO's dependencies, ick
+        select VIDEO_OUTPUT_CONTROL if ACPI
+        select BACKLIGHT_CLASS_DEVICE if ACPI
+        select INPUT if ACPI
+        select ACPI_VIDEO if ACPI
         help
           Choose this option if you want kernel modesetting enabled by default,
           and you have a new enough userspace to support this. Running old