Claim SMs used for TMDS serial. Fix old function name in PIO encode program

software/libdvi/dvi_serialiser.c

@@ -37,6 +37,7 @@ void dvi_serialiser_init(struct dvi_serialiser_cfg *cfg) {
 	cfg->prog_offs_clk = offset_clk;
 
 	for (int i = 0; i < N_TMDS_LANES; ++i) {
+		pio_sm_claim(cfg->pio, cfg->sm_tmds[i]);
 		dvi_serialiser_program_init(
 			cfg->pio,
 			cfg->sm_tmds[i],

software/libdvi/tmds_encode_1bpp.pio

@@ -40,6 +40,6 @@ static inline void tmds_encode_1bpp_init(PIO pio, uint sm) {
     pio_sm_put_blocking(pio, sm, 0x60005555u);
     pio_sm_exec(pio, sm, pio_encode_pull(false, true));
     pio_sm_exec(pio, sm, pio_encode_out(pio_y, 32));
-    pio_sm_enable(pio, sm, true);
+    pio_sm_set_enabled(pio, sm, true);
 }
 %}