Commit ed6e4f0a authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Use another offset for GC 9.4.3 remap 



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: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a2ab248d

drivers/gpu/drm/amd/amdgpu/soc15.c

+5 −0
Original line number Diff line number Diff line
@@ -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 */