drm/amdgpu: optimize fn gfx_v12_ring_insert_nop

Optimize gfx_v12_ring_insert_nop() to call
optimized version of amdgpu_ring_insert_nop
instead of calling amdgpu_ring_write for number
of nop times.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

@@ -5034,8 +5034,6 @@ static void gfx_v12_0_emit_mem_sync(struct amdgpu_ring *ring)
 
 static void gfx_v12_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop)
 {
-	int i;
-
 	/* Header itself is a NOP packet */
 	if (num_nop == 1) {
 		amdgpu_ring_write(ring, ring->funcs->nop);
@@ -5046,8 +5044,7 @@ static void gfx_v12_ring_insert_nop(struct amdgpu_ring *ring, uint32_t num_nop)
 	amdgpu_ring_write(ring, PACKET3(PACKET3_NOP, min(num_nop - 2, 0x3ffe)));
 
 	/* Header is at index 0, followed by num_nops - 1 NOP packet's */
-	for (i = 1; i < num_nop; i++)
-		amdgpu_ring_write(ring, ring->funcs->nop);
+	amdgpu_ring_insert_nop(ring, num_nop - 1);
 }
 
 static void gfx_v12_0_ring_emit_cleaner_shader(struct amdgpu_ring *ring)