guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0,
as a consequence, the rev_id and external_rev_id are wrong.
workaround it by hardcoding the rev_id to 0, which is the default value.
Signed-off-by: Tiecheng Zhou <tiecheng.z...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/nv.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index b0229543e887..63d54604ace6 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -726,6 +726,8 @@ static int nv_common_early_init(void *handle)
AMD_PG_SUPPORT_VCN_DPG |
AMD_PG_SUPPORT_JPEG |
AMD_PG_SUPPORT_ATHUB;
+ if (amdgpu_sriov_vf(adev))
+ adev->rev_id = 0;
adev->external_rev_id = adev->rev_id + 0xa;
break;
default:
--
2.17.1
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