mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-27 04:47:05 +00:00
Code Issues Releases Wiki Activity

drm/amdgpu: Use another offset for GC 9.4.3 remap

Browse source 
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>
This commit is contained in:
Lijo Lazar 2023-11-28 16:47:14 +05:30 committed by Alex Deucher
parent a2ab248d94
commit ed6e4f0a27
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/gpu/drm/amd/amdgpu/soc15.c
View file

@ -1161,6 +1161,11 @@ 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 */