linux-kernel - Re: [PATCH] hantro: Fix RK3399 H.264 format advertising

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Date:   Mon, 04 Jul 2022 12:09:13 -0400
From:   Nicolas Dufresne <nicolas.dufresne@...labora.com>
To:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>
Subject: Re: [PATCH] hantro: Fix RK3399 H.264 format advertising

Le mercredi 29 juin 2022 à 16:07 -0400, Nicolas Dufresne a écrit :
> Hi Ezequiel,
> 
> Le mercredi 29 juin 2022 à 16:56 -0300, Ezequiel Garcia a écrit :
> > Commit 1f82f2df523cb ("media: hantro: Enable H.264 on Rockchip VDPU2")
> > enabled H.264 on some SoCs with VDPU2 cores. This had the side-effect
> > of exposing H.264 coded format as supported on RK3399.
> > 
> > Fix this and clarify how the codec is explicitly disabled on RK399 on
> 
> RK399 -> RK3399
> 
> > this driver.
> > 
> > Fixes: 1f82f2df523cb ("media: hantro: Enable H.264 on Rockchip VDPU2")
> > Signed-off-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
> 
> Thanks for fixing this. The bogus format (without associated controls) is not

Sorry:
* is now

> gone. With the right video node value:
> 
>   v4l2-ctl -D -dN --list-formats-out
> 
> Tested-By: Nicolas Dufresne <nicolas.dufresne@...labora.com>
> 
> > ---
> >  .../staging/media/hantro/rockchip_vpu_hw.c    | 60 ++++++++++++++++---
> >  1 file changed, 53 insertions(+), 7 deletions(-)
> > 
> > diff --git a/drivers/staging/media/hantro/rockchip_vpu_hw.c b/drivers/staging/media/hantro/rockchip_vpu_hw.c
> > index 098486b9ec27..26e16b5a6a70 100644
> > --- a/drivers/staging/media/hantro/rockchip_vpu_hw.c
> > +++ b/drivers/staging/media/hantro/rockchip_vpu_hw.c
> > @@ -182,7 +182,7 @@ static const struct hantro_fmt rk3288_vpu_dec_fmts[] = {
> >  	},
> >  };
> >  
> > -static const struct hantro_fmt rk3399_vpu_dec_fmts[] = {
> > +static const struct hantro_fmt rockchip_vdpu2_dec_fmts[] = {
> >  	{
> >  		.fourcc = V4L2_PIX_FMT_NV12,
> >  		.codec_mode = HANTRO_MODE_NONE,
> > @@ -236,6 +236,47 @@ static const struct hantro_fmt rk3399_vpu_dec_fmts[] = {
> >  	},
> >  };
> >  
> > +static const struct hantro_fmt rk3399_vpu_dec_fmts[] = {
> > +	{
> > +		.fourcc = V4L2_PIX_FMT_NV12,
> > +		.codec_mode = HANTRO_MODE_NONE,
> > +		.frmsize = {
> > +			.min_width = FMT_MIN_WIDTH,
> > +			.max_width = FMT_FHD_WIDTH,
> > +			.step_width = MB_DIM,
> > +			.min_height = FMT_MIN_HEIGHT,
> > +			.max_height = FMT_FHD_HEIGHT,
> > +			.step_height = MB_DIM,
> > +		},
> > +	},
> > +	{
> > +		.fourcc = V4L2_PIX_FMT_MPEG2_SLICE,
> > +		.codec_mode = HANTRO_MODE_MPEG2_DEC,
> > +		.max_depth = 2,
> > +		.frmsize = {
> > +			.min_width = FMT_MIN_WIDTH,
> > +			.max_width = FMT_FHD_WIDTH,
> > +			.step_width = MB_DIM,
> > +			.min_height = FMT_MIN_HEIGHT,
> > +			.max_height = FMT_FHD_HEIGHT,
> > +			.step_height = MB_DIM,
> > +		},
> > +	},
> > +	{
> > +		.fourcc = V4L2_PIX_FMT_VP8_FRAME,
> > +		.codec_mode = HANTRO_MODE_VP8_DEC,
> > +		.max_depth = 2,
> > +		.frmsize = {
> > +			.min_width = FMT_MIN_WIDTH,
> > +			.max_width = FMT_UHD_WIDTH,
> > +			.step_width = MB_DIM,
> > +			.min_height = FMT_MIN_HEIGHT,
> > +			.max_height = FMT_UHD_HEIGHT,
> > +			.step_height = MB_DIM,
> > +		},
> > +	},
> > +};
> > +
> >  static irqreturn_t rockchip_vpu1_vepu_irq(int irq, void *dev_id)
> >  {
> >  	struct hantro_dev *vpu = dev_id;
> > @@ -548,8 +589,8 @@ const struct hantro_variant rk3288_vpu_variant = {
> >  
> >  const struct hantro_variant rk3328_vpu_variant = {
> >  	.dec_offset = 0x400,
> > -	.dec_fmts = rk3399_vpu_dec_fmts,
> > -	.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
> > +	.dec_fmts = rockchip_vdpu2_dec_fmts,
> > +	.num_dec_fmts = ARRAY_SIZE(rockchip_vdpu2_dec_fmts),
> >  	.codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER |
> >  		 HANTRO_H264_DECODER,
> >  	.codec_ops = rk3399_vpu_codec_ops,
> > @@ -560,6 +601,11 @@ const struct hantro_variant rk3328_vpu_variant = {
> >  	.num_clocks = ARRAY_SIZE(rockchip_vpu_clk_names),
> >  };
> >  
> > +/*
> > + * H.264 decoding explicitly disabled in RK3399.
> > + * This ensures userspace applications use the Rockchip VDEC core,
> > + * which has better performance.
> > + */
> >  const struct hantro_variant rk3399_vpu_variant = {
> >  	.enc_offset = 0x0,
> >  	.enc_fmts = rockchip_vpu_enc_fmts,
> > @@ -579,8 +625,8 @@ const struct hantro_variant rk3399_vpu_variant = {
> >  
> >  const struct hantro_variant rk3568_vpu_variant = {
> >  	.dec_offset = 0x400,
> > -	.dec_fmts = rk3399_vpu_dec_fmts,
> > -	.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
> > +	.dec_fmts = rockchip_vdpu2_dec_fmts,
> > +	.num_dec_fmts = ARRAY_SIZE(rockchip_vdpu2_dec_fmts),
> >  	.codec = HANTRO_MPEG2_DECODER |
> >  		 HANTRO_VP8_DECODER | HANTRO_H264_DECODER,
> >  	.codec_ops = rk3399_vpu_codec_ops,
> > @@ -596,8 +642,8 @@ const struct hantro_variant px30_vpu_variant = {
> >  	.enc_fmts = rockchip_vpu_enc_fmts,
> >  	.num_enc_fmts = ARRAY_SIZE(rockchip_vpu_enc_fmts),
> >  	.dec_offset = 0x400,
> > -	.dec_fmts = rk3399_vpu_dec_fmts,
> > -	.num_dec_fmts = ARRAY_SIZE(rk3399_vpu_dec_fmts),
> > +	.dec_fmts = rockchip_vdpu2_dec_fmts,
> > +	.num_dec_fmts = ARRAY_SIZE(rockchip_vdpu2_dec_fmts),
> >  	.codec = HANTRO_JPEG_ENCODER | HANTRO_MPEG2_DECODER |
> >  		 HANTRO_VP8_DECODER | HANTRO_H264_DECODER,
> >  	.codec_ops = rk3399_vpu_codec_ops,
> 
> And code looks good (just found a small commit message typo).
> 
> Reviewed-by: Nicolas Dufresne <nicolas.dufresne@...labora.com>
> 
> regards,
> Nicolas
> 
>