diff --git a/components/esp_lcd/src/esp_lcd_panel_io_i80.c b/components/esp_lcd/src/esp_lcd_panel_io_i80.c
index 64920d5cb0..b5e53055a0 100644
--- a/components/esp_lcd/src/esp_lcd_panel_io_i80.c
+++ b/components/esp_lcd/src/esp_lcd_panel_io_i80.c
@@ -565,6 +565,9 @@ static void lcd_start_transaction(esp_lcd_i80_bus_t *bus, lcd_i80_trans_descript
     lcd_ll_set_command(bus->hal.dev, bus->bus_width, trans_desc->cmd_value);
     if (trans_desc->data) { // some specific LCD commands can have no parameters
         gdma_start(bus->dma_chan, (intptr_t)(bus->dma_nodes));
+        // delay 1us is sufficient for DMA to pass data to LCD FIFO
+        // in fact, this is only needed when LCD pixel clock is set too high
+        esp_rom_delay_us(1);
     }
     lcd_ll_start(bus->hal.dev);
 }
diff --git a/components/hal/esp32s3/include/hal/gdma_ll.h b/components/hal/esp32s3/include/hal/gdma_ll.h
index 4035c76934..873cab32d3 100644
--- a/components/hal/esp32s3/include/hal/gdma_ll.h
+++ b/components/hal/esp32s3/include/hal/gdma_ll.h
@@ -190,6 +190,8 @@ static inline uint32_t gdma_ll_rx_get_fifo_bytes(gdma_dev_t *dev, uint32_t chann
         return dev->channel[channel].in.infifo_status.infifo_cnt_l2;
     case 3:
         return dev->channel[channel].in.infifo_status.infifo_cnt_l3;
+    default:
+        return 0;
     }
 }
 
@@ -434,6 +436,8 @@ static inline uint32_t gdma_ll_tx_get_fifo_bytes(gdma_dev_t *dev, uint32_t chann
         return dev->channel[channel].out.outfifo_status.outfifo_cnt_l2;
     case 3:
         return dev->channel[channel].out.outfifo_status.outfifo_cnt_l3;
+    default:
+        return 0;
     }
 }