linux-kernel - Re: [PATCH] drm/virtio: fix framebuffer sparse warning

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Message-ID: <20161128172814-mutt-send-email-mst@kernel.org>
Date:   Mon, 28 Nov 2016 17:28:24 +0200
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        "open list:VIRTIO GPU DRIVER" 
        <virtualization@...ts.linux-foundation.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/virtio: fix framebuffer sparse warning

On Mon, Nov 28, 2016 at 09:05:21AM +0100, Gerd Hoffmann wrote:
> virtio uses normal ram as backing storage for the framebuffer, so we
> should assign the address to new screen_buffer (added by commit
> 17a7b0b4d9749f80d365d7baff5dec2f54b0e992) instead of screen_base.
> 
> Reported-by: Michael S. Tsirkin <mst@...hat.com>
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>

Acked-by: Michael S. Tsirkin <mst@...hat.com>

> ---
>  drivers/gpu/drm/virtio/virtgpu_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/virtio/virtgpu_fb.c b/drivers/gpu/drm/virtio/virtgpu_fb.c
> index 2242a80..dc2976c 100644
> --- a/drivers/gpu/drm/virtio/virtgpu_fb.c
> +++ b/drivers/gpu/drm/virtio/virtgpu_fb.c
> @@ -337,7 +337,7 @@ static int virtio_gpufb_create(struct drm_fb_helper *helper,
>  	info->fbops = &virtio_gpufb_ops;
>  	info->pixmap.flags = FB_PIXMAP_SYSTEM;
>  
> -	info->screen_base = obj->vmap;
> +	info->screen_buffer = obj->vmap;
>  	info->screen_size = obj->gem_base.size;
>  	drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
>  	drm_fb_helper_fill_var(info, &vfbdev->helper,
> -- 
> 1.8.3.1