linux-kernel - Re: [PATCH v5] drm/virtio: Add option to disable KMS support

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Message-ID: <6eb2cde8-f548-73ba-6091-131c1848690c@collabora.com>
Date:   Thu, 2 Mar 2023 00:39:33 +0300
From:   Dmitry Osipenko <dmitry.osipenko@...labora.com>
To:     Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc:     Chia-I Wu <olvaffe@...il.com>, Ryan Neph <ryanneph@...omium.org>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Clark <robdclark@...omium.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        David Airlie <airlied@...hat.com>,
        Gurchetan Singh <gurchetansingh@...omium.org>,
        "open list:VIRTIO GPU DRIVER" 
        <virtualization@...ts.linux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5] drm/virtio: Add option to disable KMS support

On 3/1/23 21:54, Rob Clark wrote:
>  /* virtgpu_display.c */
> +#if defined(CONFIG_DRM_VIRTIO_GPU_KMS)
>  int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
>  void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);
> +#else
> +static inline int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev)
> +{
> +	return 0;
> +}
> +static inline void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev)
> +{
> +}
> +#endif

In v4 Gerd wanted to keep building the virtgpu_display.o and instead add
the KSM config check to virtio_gpu_modeset_init/fini(). Is there any
reason why you didn't do that?

-- 
Best regards,
Dmitry