BPP changes are non-delta because the S3C2410X requires a full FIFO reset and DMA reconfiguration. The Delta driver gracefully degrades by returning -EAGAIN .
Do you need help for a specific LCD panel? -vis On S3c2410x Delta Driver -
err_irq: gpio_free(delta_data_pin); return ret; BPP changes are non-delta because the S3C2410X requires