linux-kernel - Re: [RFC 10/12] media: hantro: Add support for H264 decoding on RK3399

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Message-ID: <HE1PR06MB401131344C5E1FC6D66390A2ACBE0@HE1PR06MB4011.eurprd06.prod.outlook.com>
Date:   Mon, 2 Sep 2019 15:25:29 +0000
From:   Jonas Karlman <jonas@...boo.se>
To:     Hans Verkuil <hverkuil@...all.nl>,
        Ezequiel Garcia <ezequiel@...labora.com>
CC:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-rockchip@...ts.infradead.org" 
        <linux-rockchip@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 10/12] media: hantro: Add support for H264 decoding on
 RK3399

On 2019-09-02 13:46, Hans Verkuil wrote:
> On 9/1/19 2:45 PM, Jonas Karlman wrote:
>> Rockchip RK3399 SoC has the same Hantro G1 IP block
>> as RK3288, but the registers are entirely different.
>>
>> In a similar fashion as MPEG-2 and VP8 decoding,
>> it's simpler to just add a separate implementation.
>>
>> Signed-off-by: Jonas Karlman <jonas@...boo.se>
>> ---
>>  drivers/staging/media/hantro/Makefile         |   1 +
>>  .../staging/media/hantro/hantro_g1_h264_dec.c |   1 -
>>  drivers/staging/media/hantro/hantro_hw.h      |   1 +
>>  .../media/hantro/rk3399_vpu_hw_h264_dec.c     | 486 ++++++++++++++++++
>>  4 files changed, 488 insertions(+), 1 deletion(-)
>>  create mode 100644 drivers/staging/media/hantro/rk3399_vpu_hw_h264_dec.c
>>
>> diff --git a/drivers/staging/media/hantro/Makefile b/drivers/staging/media/hantro/Makefile
>> index 5d6b0383d280..8d33b0e8aa6c 100644
>> --- a/drivers/staging/media/hantro/Makefile
>> +++ b/drivers/staging/media/hantro/Makefile
>> @@ -8,6 +8,7 @@ hantro-vpu-y += \
>>  		hantro_g1_mpeg2_dec.o \
>>  		hantro_g1_vp8_dec.o \
>>  		rk3399_vpu_hw_jpeg_enc.o \
>> +		rk3399_vpu_hw_h264_dec.o \
>>  		rk3399_vpu_hw_mpeg2_dec.o \
>>  		rk3399_vpu_hw_vp8_dec.o \
>>  		hantro_jpeg.o \
>> diff --git a/drivers/staging/media/hantro/hantro_g1_h264_dec.c b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
>> index 4b82b9fd5252..ec2736fb473d 100644
>> --- a/drivers/staging/media/hantro/hantro_g1_h264_dec.c
>> +++ b/drivers/staging/media/hantro/hantro_g1_h264_dec.c
>> @@ -202,7 +202,6 @@
>>  #define G1_REG_REFBU_E(v)		((v) ? BIT(31) : 0)
>>  
>>  #define G1_REG_APF_THRESHOLD(v)		(((v) << 0) & GENMASK(13, 0))
>> ->>>>>>> b22734fb5e2c... Ymedia: hantro: Refactor G1 H264 code
> ^^^^^^^^^^^^^^^
>
> Seems to be a left-over from patch 9?

Yes, thanks for noticing, looks like there was a small rebase issue, the line got added
in one patch and removed in the next. Will fix in next spin.

Regards,
Jonas

>
> Regards,
>
> 	Hans
>
>>  
>>  void hantro_g1_h264_dec_run(struct hantro_ctx *ctx)
>>  {