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Message-ID: <ca11cd15-3877-468b-c6b7-9022b6b11824@redhat.com>
Date:   Wed, 27 Oct 2021 15:19:34 +0200
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Subject: Re: [PATCH] [RESEND] drm: fb_helper: fix CONFIG_FB dependency
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To:     Arnd Bergmann <arnd@kernel.org>,
        Jani Nikula <jani.nikula@linux.intel.com>
Cc:     Daniel Vetter <daniel@ffwll.ch>, Kees Cook <keescook@chromium.org>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@linux.ie>, Arnd Bergmann <arnd@arndb.de>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
References: <20210927142816.2069269-1-arnd@kernel.org>
 <202109270923.97AFDE89DB@keescook> <YVXJLE8UqgcUNIKl@phenom.ffwll.local>
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 <CAK8P3a0EG_C6OvG00Dg8SQacirNztLFjVonb5t2xQj9aFZ47Vg@mail.gmail.com>
From:   Javier Martinez Canillas <javierm@redhat.com>
In-Reply-To: <CAK8P3a0EG_C6OvG00Dg8SQacirNztLFjVonb5t2xQj9aFZ47Vg@mail.gmail.com>
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On 10/27/21 14:18, Arnd Bergmann wrote:

[snip]

> Right, how about this change on top?
> 
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -117,9 +117,8 @@ config DRM_DEBUG_MODESET_LOCK
> 
>  config DRM_FBDEV_EMULATION
>         bool "Enable legacy fbdev support for your modesetting driver"
> -       depends on DRM
> -       depends on FB=y || FB=DRM
> -       select DRM_KMS_HELPER
> +       depends on DRM_KMS_HELPER
> +       depends on FB=y || FB=DRM_KMS_HELPER
>         select FB_CFB_FILLRECT
>         select FB_CFB_COPYAREA
>         select FB_CFB_IMAGEBLIT
> 
> That would probably make it work for DRM=y, FB=m, DRM_KMS_HELPER=m,
> but it needs more randconfig testing, which I can help with.

Looks good to me as well.

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>

Best regards,
-- 
Javier Martinez Canillas
Linux Engineering
Red Hat