drm/amdgpu: add flags to emit_ib interface v2

Replace the last bool type parameter with a general flags parameter,
to make the last parameter be able to contain more information.

v2: drop setting need_ctx_switch = false

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1035,7 +1035,7 @@ out:
 void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
 				struct amdgpu_job *job,
 				struct amdgpu_ib *ib,
-				bool ctx_switch)
+				uint32_t flags)
 {
 	amdgpu_ring_write(ring, VCE_CMD_IB);
 	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));