video and usb driver (rk3588)

[Michael Grunditz]

>
> I have tested with full screen invalidate. It doesn't look pretty when
> moving a window.. but mouse pointer
> is ok. I have tried the below. Result: No traces if moving up , left
> or right. Down , traces. So the start address
>  is wrong, probably.
>
> cache_clean_invalidate_data(xxx+invalid,(size.count()*sizeof(Pixel))-invalid);

The imx8 doesn't use cached dma-buffer?  Is there soeḿething (apart from  imx53)
 that does use cached framebuffer?

/Michael