On Mon, Aug 06, 2012 at 02:03:59PM +0200, Gerd Hoffmann wrote:
> On 07/25/12 05:57, Benjamin Herrenschmidt wrote:
> > Hi folks !
> >
> > Would there be any objection to adding a second MMIO BAR to qemu-vga
> > which mirrors the bochs magic VBE ports ?
>
> No.
>
> > Once done, I'd like to look in
On Mon, 2012-08-06 at 14:03 +0200, Gerd Hoffmann wrote:
> Hacked up something like that a while back (patch attached). Doesn't
> use DRM though, just plain old fbdev. Maybe you can reuse some bits
> nevertheless.
>
> /me wonders what the advantage of using drm is for non-3D hardware?
Thanks. Ye
On 07/25/12 05:57, Benjamin Herrenschmidt wrote:
> Hi folks !
>
> Would there be any objection to adding a second MMIO BAR to qemu-vga
> which mirrors the bochs magic VBE ports ?
No.
> Once done, I'd like to look into doing a qemudrmfb similar to the cirrus
> one that pretty much gives you gener
On Wed, 2012-07-25 at 20:08 -0500, Anthony Liguori wrote:
>
> For the benefit of the list, Ben didn't know that we could just add a
> qdev property to control whether the MMIO BAR was visible making it
> just
> a tiny bit of global magic in the old PC machine models.
>
> PPC still doesn't do vers
Benjamin Herrenschmidt writes:
> On Thu, 2012-07-26 at 08:01 +1000, Benjamin Herrenschmidt wrote:
>> On Wed, 2012-07-25 at 16:59 +0300, Avi Kivity wrote:
>> > > Why ? Who cares ? Especially with vga -std which nobody uses in
>> > practice
>> > > on x86...
>> >
>> > We'll find out who cares when
On Thu, 2012-07-26 at 08:01 +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2012-07-25 at 16:59 +0300, Avi Kivity wrote:
> > > Why ? Who cares ? Especially with vga -std which nobody uses in
> > practice
> > > on x86...
> >
> > We'll find out who cares when we break it.
>
> Chances are pretty much
On Wed, 2012-07-25 at 16:59 +0300, Avi Kivity wrote:
> > Why ? Who cares ? Especially with vga -std which nobody uses in
> practice
> > on x86...
>
> We'll find out who cares when we break it.
Chances are pretty much close to 0, especially adding a BAR ... do we
even use vga "std" on anything ?
On 07/25/2012 04:41 PM, Benjamin Herrenschmidt wrote:
> On Wed, 2012-07-25 at 15:48 +0300, Avi Kivity wrote:
>> >> If not, we can add a second BAR, but it should disappear when running an
>> >> older machine type.
>> >
>> > Well, the IO ports in legacy space are still there. We can also make the
>
On Wed, 2012-07-25 at 15:48 +0300, Avi Kivity wrote:
> >> If not, we can add a second BAR, but it should disappear when running an
> >> older machine type.
> >
> > Well, the IO ports in legacy space are still there. We can also make the
> > "register BAR" exist in both mode or we can add a second
On 07/25/2012 01:53 PM, Benjamin Herrenschmidt wrote:
> On Wed, 2012-07-25 at 13:27 +0300, Avi Kivity wrote:
>> On 07/25/2012 06:57 AM, Benjamin Herrenschmidt wrote:
>> > Hi folks !
>> >
>> > Would there be any objection to adding a second MMIO BAR to qemu-vga
>> > which mirrors the bochs magic VB
On Wed, 2012-07-25 at 13:27 +0300, Avi Kivity wrote:
> On 07/25/2012 06:57 AM, Benjamin Herrenschmidt wrote:
> > Hi folks !
> >
> > Would there be any objection to adding a second MMIO BAR to qemu-vga
> > which mirrors the bochs magic VBE ports ?
> >
> > Support for IO space is optional in PCIe a
On 07/25/2012 06:57 AM, Benjamin Herrenschmidt wrote:
> Hi folks !
>
> Would there be any objection to adding a second MMIO BAR to qemu-vga
> which mirrors the bochs magic VBE ports ?
>
> Support for IO space is optional in PCIe and can be problematic on some
> architectures, it would be nice to
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