Re: [PATCH V2 2/2] efi/fb: Convert PCI bus address to resource if translated by the bridge

[okaya]

On 2018-06-13 11:06, Ard Biesheuvel wrote:
> On 13 June 2018 at 16:22, Sinan Kaya <okaya@xxxxxxxxxxxxxx> wrote:
> > Hi Ard,
> >
> > On 5/18/2018 10:17 AM, Sinan Kaya wrote:
> > > A host bridge is allowed to remap BAR addresses using _TRA attribute 
> > > in
> > > _CRS windows.
> > >
> > > pci_bus 0000:00: root bus resource [mem 0x80100100000-0x8011fffffff 
> > > window] (bus address [0x00100000-0x1fffffff])
> > > pci 0000:02:00.0: reg 0x10: [mem 0x8011e000000-0x8011effffff]
> > >
> > > When a VGA device is behind such a host bridge and the resource is
> > > translated efifb driver is trying to do ioremap against bus address
> > > rather than the resource address and is failing to probe.
> > >
> > > efifb: probing for efifb
> > > efifb: cannot reserve video memory at 0x1e000000
> > > efifb: framebuffer at 0x1e000000, using 1920k, total 1875k
> > > efifb: mode is 800x600x32, linelength=3200, pages=1
> > > efifb: scrolling: redraw
> > > efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0
> > >
> > > Use the host bridge offset information to convert bus address to
> > > resource address in the fixup.
> > >
> > > Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> > > ---
> >
> > I didn't see any messages about these getting picked up for 4.18.
> >
> > Are they queued on your own branch?
>
> No, you never cc'ed me on them until now.

Ouch, I hoped that you would get it via get_maintainer script. Sorry for 
that.