Re: [PATCH 1/3] drm: Avoid circular dependencies for CONFIG_FB

From: Daniel Vetter
Date: Thu Jun 03 2021 - 04:49:39 EST


On Wed, Jun 02, 2021 at 02:52:50PM -0700, Kees Cook wrote:
> When cleaning up other drm config dependencies, it is too easy to create
> larger problems. Instead, mark CONFIG_FB as a "depends":
>
> drivers/gpu/drm/Kconfig:74:error: recursive dependency detected!
>
> Suggested-by: Arnd Bergmann <arnd@xxxxxxxxxx>
> Link: https://lore.kernel.org/lkml/CAK8P3a3jUQs6c5tESSNMbqfuymewj9FhqRizyHcfOXf8Rgy-nA@xxxxxxxxxxxxxx/
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>

I rebased this one for -next and applied all three patches to
drm-misc-next.
-Daniel

> ---
> drivers/gpu/drm/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 3c16bd1afd87..90891284ccec 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -83,7 +83,7 @@ config DRM_KMS_HELPER
> config DRM_KMS_FB_HELPER
> bool
> depends on DRM_KMS_HELPER
> - select FB
> + depends on FB
> select FRAMEBUFFER_CONSOLE if !EXPERT
> select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
> select FB_SYS_FOPS
> --
> 2.25.1
>

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch