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SubjectRe: [RFC PATCH 0/8] media: hantro: Add 10-bit support
Hi Benjamin!

Dne torek, 05. april 2022 ob 18:07:41 CEST je Benjamin Gaignard napisal(a):
> Le 27/02/2022 à 15:49, Jernej Skrabec a écrit :
> > First two patches add 10-bit formats to UAPI, third extends filtering
> > mechanism, fourth fixes incorrect assumption, fifth moves register
> > configuration code to proper place, sixth and seventh enable 10-bit
> > VP9 decoding on Allwinner H6 and last increases core frequency on
> > Allwinner H6.
> >
> > I'm sending this as RFC to get some comments:
> > 1. format definitions - are fourcc's ok? are comments/descriptions ok?
> > 2. is extended filtering mechanism ok?
> >
> > I would also like if these patches are tested on some more HW.
> > Additionally, can someone test tiled P010?
> >
> > Please take a look.
> Hi Jernej,
> I have create a branch to test this series with VP9 and HEVC:
> 8m Feel free to pick what I may need in it.
> That doesn't improve fluster scores, I think more dev are still needed in
> GST before getting something fully functional.
> Anyway I able to select P010 pixel format if the input is a 10bit bitstream.

What kind of improvements do you expect? Actually, this series is designed to
change nothing for platforms, where 10-bit format is not added into the list
of supported formats. I think reasons are quite obvious. First, not every
device may support 10-bit output. Second, as you might already figured it out,
registers in this series are set only for legacy cores. I have no idea, what
needs to be done for newer ones, since I don't have them. Anyway, I tested
this with fluster and only one additional test passes, because it is the only
one for 10-bit YUV420.

Best regards,

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