Hi Laurent, Kieran

Quick response

> Testing SRU-UDS scaling 768x576 - 768x576 - 640x480 in RGB24: fail
> Testing SRU-UDS scaling 768x576 - 768x576 - 768x576 in RGB24: pass
> Testing SRU-UDS scaling 768x576 - 768x576 - 1024x768 in RGB24: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 1280x960 in RGB24: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 1536x1152 in RGB24: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 2048x1536 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 640x480 - 640x480 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 640x480 - 1280x960 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 768x576 - 768x576 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 768x576 - 1536x1152 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 1024x768 - 1024x768 in RGB24: pass
> Testing UDS-SRU scaling 768x576 - 1024x768 - 2048x1536 in RGB24: pass
> Testing SRU-UDS scaling 768x576 - 768x576 - 640x480 in YUV444M: fail
> Testing SRU-UDS scaling 768x576 - 768x576 - 768x576 in YUV444M: pass
> Testing SRU-UDS scaling 768x576 - 768x576 - 1024x768 in YUV444M: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 1280x960 in YUV444M: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 1536x1152 in YUV444M: pass
> Testing SRU-UDS scaling 768x576 - 1536x1152 - 2048x1536 in YUV444M: hangs
> Testing UDS-SRU scaling 768x576 - 640x480 - 640x480 in YUV444M: pass
> Testing UDS-SRU scaling 768x576 - 640x480 - 1280x960 in YUV444M: fail
> Testing UDS-SRU scaling 768x576 - 768x576 - 768x576 in YUV444M: pass
> Testing UDS-SRU scaling 768x576 - 768x576 - 1536x1152 in YUV444M: pass
> Testing UDS-SRU scaling 768x576 - 1024x768 - 1024x768 in YUV444M: pass
> Testing UDS-SRU scaling 768x576 - 1024x768 - 2048x1536 in YUV444M: hangs
(snip)
> However, from the above tests it looks like the hardware can live with more 
> relaxed restrictions than the ones implemented here. I haven't tested all UDS 
> scaling ratios, and certainly not under all memory bus load conditions, I 
> might thus be too optimistic. Morimoto-san, would it be possible to get more 
> information about this from the hardware team, to check whether the above two 
> restrictions need to be honoured, or whether they come from an older hardware 
> version ?

I asked it to HW team.
Please wait

Best regards
---
Kuninori Morimoto

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