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authorIngo Molnar <mingo@elte.hu>2010-10-28 15:12:04 +0200
committerDave Airlie <airlied@redhat.com>2010-11-09 13:33:00 +1000
commit7c6048b7c83690ce59e65922fb2875479a22300e (patch)
tree89d754eb7203b5a43bea8fb4cd5a8c631c54836a /drivers/gpu/stub/Kconfig
parent91839fd577abc5fb39fb2238e05e847c70c9dec3 (diff)
downloadlinux-stericsson-7c6048b7c83690ce59e65922fb2875479a22300e.tar.gz
drm/stub/Kconfig: fix Kconfig for stub driver.
* Dave Airlie <airlied@linux.ie> wrote: > > Lee, Chun-Yi (1): > > gpu: Add Intel GMA500(Poulsbo) Stub Driver Today's -tip fails to build due to upstream commit e26fd11 ("gpu: Add Intel GMA500(Poulsbo) Stub Driver"), committed two days ago and merged yesterday, on x86 allmodconfig with BACKLIGHT_CLASS_DEVICE disabled: drivers/built-in.o: In function `acpi_video_bus_put_one_device': video.c:(.text+0x7d26f): undefined reference to `backlight_device_unregister' drivers/built-in.o: In function `acpi_video_switch_brightness': video.c:(.text+0x7d6f5): undefined reference to `backlight_force_update' drivers/built-in.o: In function `acpi_video_device_find_cap': video.c:(.text+0x7dfdb): undefined reference to `backlight_device_register' drivers/gpu/stub/Kconfig selects ACPI_VIDEO, but ACPI_VIDEO is a complex interactive Kconfig option with a lot of dependencies: config ACPI_VIDEO tristate "Video" depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL depends on INPUT select THERMAL help This driver implements the ACPI Extensions For Display Adapters and if any of its dependencies are not met, we get a build failure. This problem was apparently realized in the driver at a certain stage: 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 but not fully understood and not fully fixed. As a quick fix select these secondary dependencies, like drivers/gpu/drm/Kconfig does: config DRM_I915 tristate "i915 driver" depends on AGP_INTEL select SHMEM select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT # i915 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 select ACPI_BUTTON if ACPI help Choose this option if you have a system that has Intel 830M, 845G, 852GM, 855GM 865G or 915G integrated graphics. If M is selected, the But it's arguably not particularly nice looking, so maybe this area of code is ripe for a Kconfig restructuring/cleanup. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/stub/Kconfig')
-rw-r--r--drivers/gpu/stub/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig
index 742c423567cf..0e1edd7311ff 100644
--- a/drivers/gpu/stub/Kconfig
+++ b/drivers/gpu/stub/Kconfig
@@ -3,6 +3,9 @@ config STUB_POULSBO
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 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 have a system that has Intel GMA500