On Mon, 18 May 2009 21:01:06 +0200 Rafael J. Wysocki wrote: > Adding CCs. > > On Monday 18 May 2009, you wrote: > > (First post, so please CC to zorael@xxxxxxxxx in case it doesn't automatically.) > > > > > > I'm trying to compile 2.6.30-rc6 to enable kernel mode-setting *per > > default*, for my Intel 945GME video chipset. Alas, when compiling, it > > halts with the following tidbit: > > > > ... > > LD .tmp_vmlinux1 > > drivers/built-in.o: In function `intel_opregion_free': > > /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:422: undefined > > reference to `acpi_video_exit' > > drivers/built-in.o: In function `intel_opregion_init': > > /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:393: undefined > > reference to `acpi_video_register' > > make[1]: *** [.tmp_vmlinux1] Error 1 > > make[1]: Leaving directory `/usr/src/linux-2.6.29' > > make: *** [debian/stamp/build/kernel] Error 2 > > > > > > grepping acpi_video_register recursively I see it's defined as an > > empty function in ./include/acpi/video.h, and as a more proper > > function in ./drivers/acpi/video.c. Does somehow setting it to use KMS > > per default via CONFIG_DRM_I915_KMS=y stop it from reading those > > files? > > > > I used to run with KMS by default in the early -30rc*s, but at some > > point (rc2?), it stopped compiling succesfully. If I don't enable it > > per default, it *does* compile, though I don't know how to explicitly > > enable it at boot-time. So I'm living without KMS for the time being. > > Woe. > > > > Anything obvious I'm doing wrong? Len posted a patch for this. It's below. Len, do you have this patch queued for Linus? --- From: Len Brown <len.brown@xxxxxxxxx> Subject: [PATCH] ACPI, i915: build fix drivers/built-in.o: In function `intel_opregion_init': (.text+0x9d540): undefined reference to `acpi_video_register' Signed-off-by: Len Brown <len.brown@xxxxxxxxx> --- drivers/gpu/drm/Kconfig | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 3a22eb9..f33d252 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 -- -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
