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drm/amdgpu: Use another offset for GC 9.4.3 remap

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[ Upstream commit ed6e4f0a27ebafffbd12bf3878ab004787685d8a ]

The legacy region at 0x7F000 maps to valid registers in GC 9.4.3 SOCs.
Use 0x1A000 offset instead as MMIO register remap region.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Lijo Lazar 2023-11-28 16:47:14 +05:30 • committed by Greg Kroah-Hartman
parent ccba042816
commit 941887dc5e
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/soc15.c
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@ -1160,6 +1160,11 @@ static int soc15_common_early_init(void *handle)
AMD_PG_SUPPORT_VCN_DPG |
AMD_PG_SUPPORT_JPEG;
adev->external_rev_id = adev->rev_id + 0x46;
/* GC 9.4.3 uses MMIO register region hole at a different offset */
if (!amdgpu_sriov_vf(adev)) {
adev->rmmio_remap.reg_offset = 0x1A000;
adev->rmmio_remap.bus_addr = adev->rmmio_base + 0x1A000;
}
break;
default:
/* FIXME: not supported yet */