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fix(drivers): enlarge the default DMA burst size in peripheral drivers

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morris
2025-12-23 10:15:37 +08:00
parent e5d0955864
commit 95ea240f1c
5 changed files with 5 additions and 5 deletions
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components/esp_lcd/i80/esp_lcd_panel_io_i80.c
+1 -1
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@@ -592,7 +592,7 @@ static esp_err_t lcd_i80_init_dma_link(esp_lcd_i80_bus_handle_t bus, const esp_l
gdma_apply_strategy(bus->dma_chan, &strategy_config);
// config DMA transfer parameters
gdma_transfer_config_t trans_cfg = {
.max_data_burst_size = bus_config->dma_burst_size ? bus_config->dma_burst_size : 16, // Enable DMA burst transfer for better performance
.max_data_burst_size = bus_config->dma_burst_size ? bus_config->dma_burst_size : 32, // Enable DMA burst transfer for better performance
.access_ext_mem = true, // the LCD can carry pixel buffer from the external memory
};
ESP_RETURN_ON_ERROR(gdma_config_transfer(bus->dma_chan, &trans_cfg), TAG, "config DMA transfer failed");