VCN instance 1 is power gated permanently by SMU. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1743 Fixes: f6b6d7d6bc2d("drm/amdgpu/vcn: remove manual instance setting") Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c index dbfd92984655..4848922667f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c @@ -103,6 +103,15 @@ static int vcn_v3_0_early_init(void *handle) adev->vcn.num_enc_rings = 0; else adev->vcn.num_enc_rings = 2; + + /* + * Fix ME. + * VCN instance number is limited to 1 for below ASIC due to + * VCN instnace 1 is permanently power gated. + */ + if ((adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 0, 0)) && + (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 2))) + adev->vcn.num_vcn_inst = 1; } vcn_v3_0_set_dec_ring_funcs(adev); -- 2.17.1
