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drm: fb_helper: fix CONFIG_FB dependency
author
Arnd Bergmann
<arnd@arndb.de>
Mon, 27 Sep 2021 14:28:02 +0000
(16:28 +0200)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 18 Nov 2021 18:16:29 +0000
(19:16 +0100)
[ Upstream commit
606b102876e3741851dfb09d53f3ee57f650a52c
]
With CONFIG_FB=m and CONFIG_DRM=y, we get a link error in the fb helper:
aarch64-linux-ld: drivers/gpu/drm/drm_fb_helper.o: in function `drm_fb_helper_alloc_fbi':
(.text+0x10cc): undefined reference to `framebuffer_alloc'
Tighten the dependency so it is only allowed in the case that DRM can
link against FB.
Fixes:
f611b1e7624c
("drm: Avoid circular dependencies for CONFIG_FB")
Link:
https://lore.kernel.org/all/20210721152211.2706171-1-arnd@kernel.org/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link:
https://patchwork.freedesktop.org/patch/msgid/20210927142816.2069269-1-arnd@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/Kconfig
patch
|
blob
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history
diff --git
a/drivers/gpu/drm/Kconfig
b/drivers/gpu/drm/Kconfig
index
cea777a
..
9199f53
100644
(file)
--- a/
drivers/gpu/drm/Kconfig
+++ b/
drivers/gpu/drm/Kconfig
@@
-103,7
+103,7
@@
config DRM_DEBUG_DP_MST_TOPOLOGY_REFS
config DRM_FBDEV_EMULATION
bool "Enable legacy fbdev support for your modesetting driver"
depends on DRM
- depends on FB
+ depends on FB
=y || FB=DRM
select DRM_KMS_HELPER
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA