linux-kernel - Re: [RFC PATCH] drm/virtio: Export resource handles via DMA-buf API

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Message-ID: <CAAFQd5B2KRJ4hKuh2rwYvgY+FLzAR-ZqNthz9XrsaPm3v3Rsnw@mail.gmail.com>
Date:   Wed, 16 Oct 2019 17:27:04 +0900
From:   Tomasz Figa <tfiga@...omium.org>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        virtualization@...ts.linux-foundation.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        stevensd@...omium.org,
        Stéphane Marchesin <marcheu@...omium.org>,
        Zach Reizner <zachr@...omium.org>,
        Keiichi Watanabe <keiichiw@...omium.org>,
        Pawel Osciak <posciak@...omium.org>
Subject: Re: [RFC PATCH] drm/virtio: Export resource handles via DMA-buf API

On Wed, Oct 16, 2019 at 3:12 PM Gerd Hoffmann <kraxel@...hat.com> wrote:
>
>   Hi,
>
> > up later when given a buffer index. But we would still need to make
> > the DMA-buf itself importable. For virtio-gpu I guess that would mean
> > returning an sg_table backed by the shadow buffer pages.
>
> The virtio-gpu driver in drm-misc-next supports dma-buf exports.

Good to know, thanks.

Best regards,
Tomasz