hantro: g2: Does the postprocessor needs 32byte aligned width ?

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Hi Adam,

Jernej and I had to deal with user report which show a stride issue with the G2
on Allwinner H6.

https://forum.libreelec.tv/thread/17565-nightly-images-for-a64-h3-h5-h6-and-r40-boards/?postID=166086#post166086

We quickly found that the stride alignment set to 16 needs to be 32. Though we
noticed that this is only needed when using the G2 postprocessor (NV12), while
it worked fine with tiles (NV12_4L4).

We were wondering if you, or anyone here on the list could test this on IMX8MQ
and IMX8MM. We'd like know if this is specific to the older G2 on H6. To trigger
this, you need a video with a resolution like 1552x1080 as used in the report.
We can help you get one if needed.

regards,
Nicolas



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