LittlevGL + DMA2D 显示图案扭曲

void lcd_fill_all(void *dst,void *src)
{
    DMA2D_HandleTypeDef *hdma2d = &Hdma2dHandle;
    HAL_DMA2D_Start(hdma2d ,(uint32_t)src,(uint32_t)dst,LCD_WIDTH,LCD_HEIGHT);
    while( __HAL_DMA2D_GET_FLAG(hdma2d, DMA2D_FLAG_TC) == RESET);
    __HAL_DMA2D_CLEAR_FLAG(hdma2d, DMA2D_FLAG_TC);
    __HAL_UNLOCK(hdma2d);
}