drm/amdgpu: vcn_4_0 set instance 0 init sched score to 1

Only vcn0 can process AV1 codecx. In order to use both vcn0 and
vcn1 in h264/265 transcode to AV1 cases, set vcn0 sched score to 1
at initialization time.
Signed-off-by: Sonny Jiang <sonjiang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x

drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c

@@ -129,7 +129,11 @@ static int vcn_v4_0_sw_init(void *handle)
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
 
-		atomic_set(&adev->vcn.inst[i].sched_score, 0);
+		/* Init instance 0 sched_score to 1, so it's scheduled after other instances */
+		if (i == 0)
+			atomic_set(&adev->vcn.inst[i].sched_score, 1);
+		else
+			atomic_set(&adev->vcn.inst[i].sched_score, 0);
 
 		/* VCN UNIFIED TRAP */
 		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[i],