linux-kernel - Re: [PATCH] drm/virtio: add dma sync for dma mapped virtio gpu framebuffer pages

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Message-ID: <20180919113406.ukhgbiukx7vsuinw@sirius.home.kraxel.org>
Date:   Wed, 19 Sep 2018 13:34:06 +0200
From:   "kraxel@...hat.com" <kraxel@...hat.com>
To:     "An, Jiandi" <Jiandi.An@....com>
Cc:     "airlied@...ux.ie" <airlied@...ux.ie>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Lendacky, Thomas" <Thomas.Lendacky@....com>,
        "Singh, Brijesh" <brijesh.singh@....com>
Subject: Re: [PATCH] drm/virtio: add dma sync for dma mapped virtio gpu
 framebuffer pages

On Wed, Sep 19, 2018 at 07:09:53AM +0000, An, Jiandi wrote:
> With virtio gpu ttm-pages being dma mapped, dma sync is needed when
> swiotlb is used as bounce buffers, before TRANSFER_TO_HOST_2D/3D
> commands are sent.

Pushed to drm-misc-next.

thanks,
  Gerd