diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 42ede3aa6dbd..2e0f8933410e 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -726,6 +726,12 @@ static int nv_common_early_init(void *handle) AMD_PG_SUPPORT_VCN_DPG | AMD_PG_SUPPORT_JPEG | AMD_PG_SUPPORT_ATHUB; + /* 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 rev_id to 0 (default value). + */ + if (amdgpu_sriov_vf(adev)) + adev->rev_id = 0; adev->external_rev_id = adev->rev_id + 0xa; break; default: |