Hi Morimoto-san, On Monday 06 Mar 2017 06:17:47 Kuninori Morimoto wrote: > Hi Laurent, Kieran > > >>> 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 > > I'm still waiting from HW team's response, but can you check > "32.3.7 Image partition for VSPI processing" on v0.53 datasheet ? > (v0.53 is for ES2.0, but this chapter should be same for ES1.x / ES2.0) > You may / may not find something from here That's very detailed, good job of the documentation writers ! Please thank them for me if you know who they are :-) I'm sure we will find useful information there. Kieran, could you please have a look when you'll be back at the end of this week, and list the points that you think we don't address correctly yet ? -- Regards, Laurent Pinchart