linux-kernel - Re: Re: [PATCH v4 0/5] Wave515 decoder IP support

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Message-ID: <xrz5jdqc5p3u2grxy62xkhwny5dqhyggyzt4hpfwzpinbezbfj@vp5wakv55k74>
Date: Mon, 15 Apr 2024 16:07:45 +0300
From: Ivan Bornyakov <brnkv.i1@...il.com>
To: Sebastian Fricke <sebastian.fricke@...labora.com>
Cc: Nas Chung <nas.chung@...psnmedia.com>, 
	Jackson Lee <jackson.lee@...psnmedia.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, 
	Philipp Zabel <p.zabel@...gutronix.de>, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Re: [PATCH v4 0/5] Wave515 decoder IP support

Hi

On Mon, Apr 15, 2024 at 02:49:38PM +0200, Sebastian Fricke wrote:
> Hey Ivan,
> 
> On 15.04.2024 13:07, Ivan Bornyakov wrote:
> > Initial support for Wave515 multi-decoder IP among other refinements.
> > This was tested on FPGA prototype, so wave5_dt_ids[] was not expanded.
> > 
> > fluster score for JCT-VC-HEVC_V1 testsuite with
> > GStreamer-H.265-V4L2-Gst1.0 decoder is 132/147
> > 
> > The issue with Main10 tests is that fluster expects decoded file to be
> > in yuv420p10le format while this driver decodes HEVC Main10 into 8-bit
> > yuv420p. Though result is looks alright to the naked eye, proper
> > decoding into yuv420p10le is to be added.
> > 
> > The rest failed fluster tests are common with Wave521.
> > 
> > ChangeLog:
> >  v1:
> > https://lore.kernel.org/linux-media/20240318144225.30835-1-brnkv.i1@gmail.com/
> >  v2:
> > https://lore.kernel.org/linux-media/20240325064102.9278-1-brnkv.i1@gmail.com/
> >    * drop patch "dt-bindings: media: cnm,wave521c: drop resets restriction"
> >      The only user of Wave5 in mainline is TI K3 boards, thus there is
> >      no real need to alter dt-bindings
> >    * in patch "media: chips-media: wave5: support decoding HEVC Main10 profile"
> >      add check for flag "support_hevc10bit_dec"
> >    * in patch "media: chips-media: wave5: support reset lines" move
> >      reset_control_deassert() out of else branch, add
> >      reset_control_assert() to probe error path.
> >    * rework patch "media: chips-media: wave5: drop "sram-size" DT prop"
> >       - don't move alloc/free form device open/close
> >       - intead of exact configuration of reserved SRAM memory in DT and
> > 	 allocating all of it, allocate all available SRAM memory up to
> > 	 WAVE5_MAX_SRAM_SIZE from whatever pool provided.
> >    * adjust patch "media: chips-media: wave5: support Wave515 decoder"
> >      according to changes in patches
> >      "media: chips-media: wave5: support decoding HEVC Main10 profile" and
> >      "media: chips-media: wave5: drop "sram-size" DT prop"
> >  v3:
> > https://lore.kernel.org/linux-media/20240405164112.24571-1-brnkv.i1@gmail.com/
> >    * reword patch "media: chips-media: wave5: separate irq setup routine"
> >      a bit.
> >    * in patch "media: chips-media: wave5: drop "sram-size" DT prop"
> >       - move MAX_SRAM_SIZE define into match_data->sram_size
> >       - add placeholders for validation that allocated SRAM memory is
> > 	 enough to encode/decode bitstream of given resolution before
> > 	 setting W5_USE_SEC_AXI and W5_CMD_ENC_PIC_USE_SEC_AXI registers
> >       - reword accordingly
> >    * in patch "media: chips-media: wave5: support Wave515 decoder"
> >       - add comments around SRAM memory allocation/freeing about
> > 	 Wave515 specifics
> >       - add comments about BSOPTION_RD_PTR_VALID_FLAG bit in
> > 	 W5_BS_OPTION register
> >       - add W[AVE]521_ prefix to defines, for wich there are W[AVE]515_
> > 	 alternatieves
> >       - add semi-magic Wave515 specific formulas to estimate SRAM usage
> >  v4:
> >    * rebase onto next-20240415, no functional changes
> 
> Sorry for not finding the time for review, I'll work on it asap.

Thanks in advance

> But please don't send a full new series just for a rebase, as that just
> causes noise, I can very well rebase the series myself before a PR
> and if any hard conflicts appear they can be communicated.

Ok, noted. BTW, there was minor conflicts with commit 
"media: chips-media: wave5: Add hrtimer based polling support" wich was
accepted since v3. Next time I'll ask explicitly if I should post
rebased version or not. Apologies for the noise.

> 
> Greetings,
> Sebastian
> 
> > 
> > Ivan Bornyakov (5):
> >  media: chips-media: wave5: support decoding HEVC Main10 profile
> >  media: chips-media: wave5: support reset lines
> >  media: chips-media: wave5: separate irq setup routine
> >  media: chips-media: wave5: drop "sram-size" DT prop
> >  media: chips-media: wave5: support Wave515 decoder
> > 
> > .../platform/chips-media/wave5/wave5-helper.c |   8 +-
> > .../platform/chips-media/wave5/wave5-hw.c     | 395 +++++++++++++-----
> > .../chips-media/wave5/wave5-regdefine.h       |   5 +
> > .../platform/chips-media/wave5/wave5-vdi.c    |  27 +-
> > .../chips-media/wave5/wave5-vpu-dec.c         |  51 ++-
> > .../chips-media/wave5/wave5-vpu-enc.c         |   2 +-
> > .../platform/chips-media/wave5/wave5-vpu.c    |  35 +-
> > .../platform/chips-media/wave5/wave5-vpuapi.h |   3 +
> > .../chips-media/wave5/wave5-vpuconfig.h       |  16 +-
> > .../media/platform/chips-media/wave5/wave5.h  |   6 +
> > 10 files changed, 407 insertions(+), 141 deletions(-)
> > 
> > -- 
> > 2.44.0
> >