linux-kernel - Re: [PATCH v2 2/2] drm/qxl: kick out vgacon

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Message-ID: <20190222071418.mafr3rtrtspd44fr@sirius.home.kraxel.org>
Date:   Fri, 22 Feb 2019 08:14:18 +0100
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Daniel Vetter <daniel@...ll.ch>
Cc:     dri-devel <dri-devel@...ts.freedesktop.org>,
        Dave Airlie <airlied@...hat.com>,
        David Airlie <airlied@...ux.ie>,
        "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>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] drm/qxl: kick out vgacon

  Hi,

> PCI_COMMAND_MEM and PCI_COMMAND_IO. There doesn't seem to be any
> separate bits really. That's at least what I've gleaned from vgaarb.c.
> The magic legacy vga decode bits only seem to exist on bridges, maybe
> we can extract that logic from vgaarb.c (yes this is all a bit
> spiralling out of control).

Also makes me wonder whenever vgaarb is the better place (compared to
drm_fb_helper).  Tried that, doesn't look too bad, should continue
working with CONFIG_FB=n.  Will send patches in a moment.

cheers,
  Gerd