Build breakage:
drivers/built-in.o: In function `nouveau_acpi_edid':
(.text+0x13404e): undefined reference to `acpi_video_get_edid'
make: *** [.tmp_vmlinux1] Error 1
Introduced by:
a6ed76d7ffc62ffa474b41d31b011b6853c5de32 is the first bad commit
commit a6ed76d7ffc62ffa474b41d31b011b6853c5de32
Author: Ben Skeggs <bskeggs@xxxxxxxxxx>
Date: Mon Jul 12 15:33:07 2010 +1000
drm/nouveau: support fetching LVDS EDID from ACPI
Based on a patch from Matthew Garrett.
Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Acked-by: Matthew Garrett <mjg@xxxxxxxxxx>
:040000 040000 2fbe9b4d9778329908107e72c11b100c2f5a460b 97dcf06923bb576298746584c45d17d3be9edcf8 M drivers
It doesn't seem to revert cleanly, but the problem lies in these
two config entries:
CONFIG_ACPI=y
CONFIG_ACPI_VIDEO=m
Adding a select for ACPI_VIDEO appears to be the best solution, and
is comparable to what is done in DRM_I915. Builds, boots, and appears to
work correctly.
Signed-off-by: Philip J. Turmel <philip@xxxxxxxxxx>
---
The first version disabled all ACPI functions in the nouveau driver if
ACPI_VIDEO wasn't set. Francisco Jerez <currojerez@xxxxxxxxxx> pointed out
that this didn't make much sense.
diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index d2d2804..72730e9 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -10,6 +10,7 @@ config DRM_NOUVEAU
select FB
select FRAMEBUFFER_CONSOLE if !EMBEDDED
select FB_BACKLIGHT if DRM_NOUVEAU_BACKLIGHT
+ select ACPI_VIDEO if ACPI
help
Choose this option for open-source nVidia support.
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