This is a note to let you know that I've just added the patch titled drm: fb_helper: fix CONFIG_FB dependency to the 5.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-fb_helper-fix-config_fb-dependency.patch and it can be found in the queue-5.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 52a02a80e47c9825172c99033e708c05350ecb03 Author: Arnd Bergmann <arnd@xxxxxxxx> Date: Mon Sep 27 16:28:02 2021 +0200 drm: fb_helper: fix CONFIG_FB dependency [ 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@xxxxxxxxxx/ Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20210927142816.2069269-1-arnd@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 7ff89690a976a..061f4382c796e 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -98,7 +98,7 @@ 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