Messages in this thread | | | Date | Wed, 13 Jun 2018 11:17:29 -0400 | From | okaya@codeauro ... | Subject | Re: [PATCH V2 2/2] efi/fb: Convert PCI bus address to resource if translated by the bridge |
| |
On 2018-06-13 11:06, Ard Biesheuvel wrote: > On 13 June 2018 at 16:22, Sinan Kaya <okaya@codeaurora.org> 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@codeaurora.org> >>> --- >> >> 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.
| |