linux-kernel - Re: [PATCH v2 4/4] Add virtio-vga bits.

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Message-ID: <1427895778.6445.13.camel@nilsson.home.kraxel.org>
Date:	Wed, 01 Apr 2015 15:42:58 +0200
From:	Gerd Hoffmann <kraxel@...hat.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	dri-devel@...ts.freedesktop.org, virtio-dev@...ts.oasis-open.org,
	airlied@...il.com, airlied@...hat.com,
	David Airlie <airlied@...ux.ie>,
	Rusty Russell <rusty@...tcorp.com.au>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:VIRTIO CORE, NET..." 
	<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH v2 4/4] Add virtio-vga bits.

On Mi, 2015-04-01 at 15:26 +0200, Michael S. Tsirkin wrote:
> On Wed, Apr 01, 2015 at 03:15:30PM +0200, Gerd Hoffmann wrote:
> > +static void virtio_pci_kick_out_firmware_fb(struct pci_dev *pci_dev)
> > +{
> > +	struct apertures_struct *ap;
> > +	bool primary;
> > +
> > +	ap = alloc_apertures(1);
> > +	if (!ap)
> > +		return;
> > +
> > +	ap->ranges[0].base = pci_resource_start(pci_dev, 2);
> > +	ap->ranges[0].size = pci_resource_len(pci_dev, 2);
> 
> I thought you mentioned it's better to switch to a different BAR
> to be compatible with stdvga?

Indeed, thats why the cover letter lists this as todo item, because it
isn't sorted yet.

Need to figure a sane way to handle this on the host side.  Current plan
is trying to make virtio_pci_device_plugged() configurable without
making things too messy.

cheers,
  Gerd


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