drm/amdgpu: fix limiting AV1 to the first instance on VCN3

The job is not yet initialized here.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2037
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: cdc7893 ("drm/amdgpu: use job and ib structures directly in CS parsers")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c

@@ -1761,23 +1761,21 @@ static const struct amdgpu_ring_funcs vcn_v3_0_dec_sw_ring_vm_funcs = {
 	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 };
 
-static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p,
-				struct amdgpu_job *job)
+static int vcn_v3_0_limit_sched(struct amdgpu_cs_parser *p)
 {
 	struct drm_gpu_scheduler **scheds;
 
 	/* The create msg must be in the first IB submitted */
-	if (atomic_read(&job->base.entity->fence_seq))
+	if (atomic_read(&p->entity->fence_seq))
 		return -EINVAL;
 
 	scheds = p->adev->gpu_sched[AMDGPU_HW_IP_VCN_DEC]
 		[AMDGPU_RING_PRIO_DEFAULT].sched;
-	drm_sched_entity_modify_sched(job->base.entity, scheds, 1);
+	drm_sched_entity_modify_sched(p->entity, scheds, 1);
 	return 0;
 }
 
-static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
-			    uint64_t addr)
+static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 {
 	struct ttm_operation_ctx ctx = { false, false };
 	struct amdgpu_bo_va_mapping *map;
@@ -1848,7 +1846,7 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
 			continue;
 
-		r = vcn_v3_0_limit_sched(p, job);
+		r = vcn_v3_0_limit_sched(p);
 		if (r)
 			goto out;
 	}
@@ -1862,7 +1860,7 @@ static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
 					   struct amdgpu_job *job,
 					   struct amdgpu_ib *ib)
 {
-	struct amdgpu_ring *ring = to_amdgpu_ring(job->base.sched);
+	struct amdgpu_ring *ring = to_amdgpu_ring(p->entity->rq->sched);
 	uint32_t msg_lo = 0, msg_hi = 0;
 	unsigned i;
 	int r;
@@ -1881,8 +1879,7 @@ static int vcn_v3_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
 			msg_hi = val;
 		} else if (reg == PACKET0(p->adev->vcn.internal.cmd, 0) &&
 			   val == 0) {
-			r = vcn_v3_0_dec_msg(p, job,
-					     ((u64)msg_hi) << 32 | msg_lo);
+			r = vcn_v3_0_dec_msg(p, ((u64)msg_hi) << 32 | msg_lo);
 			if (r)
 				return r;
 		}