Re: [PATCH v2 0/2] drm/radeon: Sun XVR-300 support on sparc64

[Alex Deucher]

On Sun, Sep 27, 2026 at 11:06 AM Imre Kaloz <kaloz@xxxxxxxxxx> wrote:
>
> These two patches get radeon KMS working on the Sun XVR-300, a
> FireMV 2200 PCIe (RV370) board, in sparc64 hosts.
>
> Patch 1 fixes an Oops that any posted radeon card on sparc64 hits in
> igp_read_bios_from_vram(), which dereferences an ioremap() cookie to
> check the VBIOS signature. It is tagged for stable.
>
> Patch 2 adds a legacy connector table for the XVR-300, which has no
> COMBIOS for the driver to parse, so both DVI-I outputs are found.
> The XVR-300 needs both.
>
> Tested on a Sun Ultra 45 with an XVR-300.
>
> Changes in v2:
> - Read the signature with readb() before the allocation instead of
>   checking the RAM copy, as radeon_read_bios() does (patch 1).
>
> Imre Kaloz (2):
>   drm/radeon: Read the VRAM VBIOS signature with readb()
>   drm/radeon: add a connector table for the Sun XVR-300

Applied the series.  Thanks!

Alex

>
>  drivers/gpu/drm/radeon/radeon_bios.c    |  6 ++-
>  drivers/gpu/drm/radeon/radeon_combios.c | 51 +++++++++++++++++++++++++
>  drivers/gpu/drm/radeon/radeon_mode.h    |  3 +-
>  3 files changed, 58 insertions(+), 2 deletions(-)
>
>
> base-commit: fe2ec83746e501645709761605c2464a44fd2929
> --
> 2.47.3
>