drm/amdgpu/vcn: Enable VCN2.5 encoding

After VCN2.5 firmware (Version ENC: 1.1  Revision: 11),
VCN2.5 encoding can work properly.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

@@ -265,9 +265,6 @@ static int vcn_v2_5_hw_init(void *handle)
 
 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
 			ring = &adev->vcn.inst[j].ring_enc[i];
-			/* disable encode rings till the robustness of the FW */
-			ring->sched.ready = false;
-			continue;
 			r = amdgpu_ring_test_helper(ring);
 			if (r)
 				goto done;