linux-kernel - Re: [PATCH v2] drm/qxl: use ttm

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Message-ID: <d081229c-30e5-0363-0e9b-96c4a40dd877@tronnes.org>
Date:   Tue, 29 Jan 2019 09:49:12 +0100
From:   Noralf Trønnes <noralf@...nnes.org>
To:     Gerd Hoffmann <kraxel@...hat.com>, dri-devel@...ts.freedesktop.org
Cc:     David Airlie <airlied@...ux.ie>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <virtualization@...ts.linux-foundation.org>,
        "open list:DRM DRIVER FOR QXL VIRTUAL GPU" 
        <spice-devel@...ts.freedesktop.org>,
        Dave Airlie <airlied@...hat.com>
Subject: Re: [PATCH v2] drm/qxl: use ttm_tt



Den 29.01.2019 09.25, skrev Gerd Hoffmann:
> qxl device will not dma, so we don't need ttm_dma_tt.  Go use ttm_tt
> instead, to avoid wasting resources (swiotlb bounce buffers for
> example).
> 
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
> ---

Acked-by: Noralf Trønnes <noralf@...nnes.org>