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.Zhou@xxxxxxx> --- 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 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
