From: Imre Kaloz <kaloz@kernel.org>
To: "Alex Deucher" <alexander.deucher@amd.com>,
"Christian König" <christian.koenig@amd.com>
Cc: David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 0/2] drm/radeon: Sun XVR-300 support on sparc64
Date: Sun, 27 Sep 2026 12:55:53 +0200 [thread overview]
Message-ID: <20260927105555.8771-1-kaloz@kernel.org> (raw)
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.
Imre Kaloz (2):
drm/radeon: Check the VBIOS signature after copying it from VRAM
drm/radeon: add a connector table for the Sun XVR-300
drivers/gpu/drm/radeon/radeon_bios.c | 10 +++--
drivers/gpu/drm/radeon/radeon_combios.c | 51 +++++++++++++++++++++++++
drivers/gpu/drm/radeon/radeon_mode.h | 3 +-
3 files changed, 59 insertions(+), 5 deletions(-)
base-commit: fe2ec83746e501645709761605c2464a44fd2929
--
2.47.3
next reply other threads:[~2026-09-27 10:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-27 10:55 Imre Kaloz [this message]
2026-09-27 10:55 ` [PATCH 1/2] drm/radeon: Check the VBIOS signature after copying it from VRAM Imre Kaloz
2026-09-27 10:55 ` [PATCH 2/2] drm/radeon: add a connector table for the Sun XVR-300 Imre Kaloz
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