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RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support

To: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Subject: RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support
From: "Huang2, Wei" <Wei.Huang2@xxxxxxx>
Date: Fri, 8 Oct 2010 10:32:01 -0500
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Thread-topic: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support
Hi Stefano,

I don't like this approach myself. So far this is the only way to intercept 
port IO accesses. 

-----Original Message-----
From: Stefano Stabellini [mailto:stefano.stabellini@xxxxxxxxxxxxx] 
Sent: Friday, October 08, 2010 6:10 AM
To: Kay, Allen M
Cc: Huang2, Wei; Ian Jackson; Xen-devel
Subject: Re: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support

On Fri, 8 Oct 2010, Kay, Allen M wrote:
> Hi Wei,
> ??
> Is Catalyst driver the one on AMD website??? I think that???s what I have in 
> my win7 guest and it matches the symptom you are
> describing.?? ???lspci??? reports my ATI card is a V5700 ??? although it says 
> v3750 on the box.?? Where can I get a working
> driver?
> ??
> The patch looks reasonable to me in general.

Agreed. It is a pity that we need to add: 

if ( vga_skip_ioport_map(d) )

in pass-through.c but I cannot see better way of doing it.

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