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 ou
On Thu, Feb 21, 2019 at 4:11 PM Gerd Hoffmann wrote:
>
> Hi,
>
> > I was thinking of checking whether pdev is a VGA class device and whether
> > it decodes vga access, and in that case automatically calling
>
> How can I figure that? Ok, class is easy, but decode? pci.h offers
> functions to s
Hi,
> I was thinking of checking whether pdev is a VGA class device and whether
> it decodes vga access, and in that case automatically calling
How can I figure that? Ok, class is easy, but decode? pci.h offers
functions to set vga decode but not to get that info ...
thanks,
Gerd
On Thu, Feb 21, 2019 at 02:06:23PM +0100, Gerd Hoffmann wrote:
> On Thu, Feb 21, 2019 at 01:20:11PM +0100, Daniel Vetter wrote:
> > On Thu, Feb 21, 2019 at 12:35:34PM +0100, Gerd Hoffmann wrote:
> > > Problem: qxl switches from native mode back into vga compatibility mode
> > > when it notices som
On Thu, Feb 21, 2019 at 01:20:11PM +0100, Daniel Vetter wrote:
> On Thu, Feb 21, 2019 at 12:35:34PM +0100, Gerd Hoffmann wrote:
> > Problem: qxl switches from native mode back into vga compatibility mode
> > when it notices someone is accessing vga registers. And vgacon does
> > exactly that befo
On Thu, Feb 21, 2019 at 12:35:34PM +0100, Gerd Hoffmann wrote:
> Problem: qxl switches from native mode back into vga compatibility mode
> when it notices someone is accessing vga registers. And vgacon does
> exactly that before fbcon takes over. So make sure we kick out vgacon
> early enough th
Problem: qxl switches from native mode back into vga compatibility mode
when it notices someone is accessing vga registers. And vgacon does
exactly that before fbcon takes over. So make sure we kick out vgacon
early enough that it wouldn't disturb us.
Signed-off-by: Gerd Hoffmann
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drivers/
