linux-kernel - Re: [PATCH v2 0/3] media: cedrus: improvements

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Message-ID: <8173759.PpYHodOKdy@jernej-laptop>
Date:   Thu, 03 Oct 2019 07:21:29 +0200
From:   Jernej Škrabec <jernej.skrabec@...l.net>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc:     mripard@...nel.org, mchehab@...nel.org, hverkuil-cisco@...all.nl,
        gregkh@...uxfoundation.org, wens@...e.org,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/3] media: cedrus: improvements

Dne četrtek, 03. oktober 2019 ob 00:23:07 CEST je Paul Kocialkowski 
napisal(a):
> Hi,
> 
> On Wed 02 Oct 19, 21:35, Jernej Skrabec wrote:
> > This is continuation of https://lkml.org/lkml/2019/5/30/1459 with several
> > patches removed (2 merged, others needs redesign) and one added.
> 
> Thanks for the continued effort on this, these fixes are greatly appreciated
> (and more generally, all the work you are putting into cedrus)!
> 
> Although I've been out of the loop on cedrus, it is very nice to see
> development happening. Keep up the good work!

Thanks! Those fixes are just cleaned up version of patches I'm using in 
LibreELEC for some time now. I hate maintaining out-of-tree patches over a 
long period, so pushing them upstream is beneficial for all :)

I'll send more improvements once your HEVC patches are merged.

Best regards,
Jernej

> 
> Cheers,
> 
> Paul
> 
> > Patch 1 fixes h264 playback issue which happens in rare cases.
> > 
> > Patch 2 sets PPS default reference index count in register from PPS
> > control. Currently it was set to values from slice control.
> > 
> > Patch 3 replaces direct accesses to capture queue from m2m contex with
> > helpers which was designed exactly for that. It's also safer since
> > helpers do some checks.
> > 
> > Best regards,
> > Jernej
> > 
> > Jernej Skrabec (3):
> >   media: cedrus: Fix decoding for some H264 videos
> >   media: cedrus: Fix H264 default reference index count
> >   media: cedrus: Use helpers to access capture queue
> >  
> >  drivers/staging/media/sunxi/cedrus/cedrus.h   |  8 +++-
> >  .../staging/media/sunxi/cedrus/cedrus_h264.c  | 46 ++++++++++++++-----
> >  .../staging/media/sunxi/cedrus/cedrus_regs.h  |  3 ++
> >  3 files changed, 44 insertions(+), 13 deletions(-)