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Date:   Thu, 12 Mar 2020 23:18:47 +0800
From:   kbuild test robot <lkp@intel.com>
To:     Ezequiel Garcia <ezequiel@collabora.com>
Cc:     kbuild-all@lists.01.org, linux-media@vger.kernel.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
        Tomasz Figa <tfiga@chromium.org>,
        Nicolas Dufresne <nicolas@ndufresne.ca>, kernel@collabora.com,
        Jonas Karlman <jonas@kwiboo.se>,
        Heiko Stuebner <heiko@sntech.de>,
        Hans Verkuil <hverkuil@xs4all.nl>,
        Alexandre Courbot <acourbot@chromium.org>,
        Jeffrey Kardatzke <jkardatzke@chromium.org>,
        Ezequiel Garcia <ezequiel@collabora.com>,
        Nicolas Dufresne <nicolas.dufresne@collabora.com>
Subject: Re: [PATCH 6/6] hantro: Refactor for V4L2 API spec compliancy
Message-ID: <202003122343.vMh2bMyj%lkp@intel.com>
References: <20200311174300.19407-7-ezequiel@collabora.com>
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In-Reply-To: <20200311174300.19407-7-ezequiel@collabora.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi Ezequiel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linuxtv-media/master]
[also build test WARNING on v5.6-rc5 next-20200312]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Ezequiel-Garcia/hantro-set-of-small-cleanups-and-fixes/20200312-061234
base:   git://linuxtv.org/media_tree.git master
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-174-g094d5a94-dirty
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> drivers/staging/media/hantro/hantro_v4l2.c:282:44: sparse: sparse: incorrect type in argument 1 (different modifiers) @@    expected struct hantro_ctx *ctx @@    got structstruct hantro_ctx *ctx @@
>> drivers/staging/media/hantro/hantro_v4l2.c:282:44: sparse:    expected struct hantro_ctx *ctx
>> drivers/staging/media/hantro/hantro_v4l2.c:282:44: sparse:    got struct hantro_ctx const *ctx

vim +282 drivers/staging/media/hantro/hantro_v4l2.c

775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  234  
0f07bff2f08018 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  235  static int hantro_try_fmt(const struct hantro_ctx *ctx,
0f07bff2f08018 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  236  			  struct v4l2_pix_format_mplane *pix_mp,
0f07bff2f08018 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  237  			  enum v4l2_buf_type type)
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  238  {
5980d40276b36b drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2019-12-05  239  	const struct hantro_fmt *fmt, *vpu_fmt;
0f07bff2f08018 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  240  	bool capture = !V4L2_TYPE_IS_OUTPUT(type);
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  241  	bool coded;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  242  
a29add8c9bb29d drivers/staging/media/hantro/hantro_v4l2.c             Philipp Zabel   2019-06-12  243  	coded = capture == hantro_is_encoder_ctx(ctx);
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  244  
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  245  	vpu_debug(4, "trying format %c%c%c%c\n",
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  246  		  (pix_mp->pixelformat & 0x7f),
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  247  		  (pix_mp->pixelformat >> 8) & 0x7f,
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  248  		  (pix_mp->pixelformat >> 16) & 0x7f,
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  249  		  (pix_mp->pixelformat >> 24) & 0x7f);
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  250  
5980d40276b36b drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2019-12-05  251  	fmt = hantro_find_format(ctx, pix_mp->pixelformat);
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  252  	if (!fmt) {
5980d40276b36b drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2019-12-05  253  		fmt = hantro_get_default_fmt(ctx, coded);
0f07bff2f08018 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  254  		pix_mp->pixelformat = fmt->fourcc;
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  255  	}
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  256  
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  257  	if (coded) {
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  258  		pix_mp->num_planes = 1;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  259  		vpu_fmt = fmt;
a29add8c9bb29d drivers/staging/media/hantro/hantro_v4l2.c             Philipp Zabel   2019-06-12  260  	} else if (hantro_is_encoder_ctx(ctx)) {
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  261  		vpu_fmt = ctx->vpu_dst_fmt;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  262  	} else {
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  263  		vpu_fmt = ctx->vpu_src_fmt;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  264  		/*
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  265  		 * Width/height on the CAPTURE end of a decoder are ignored and
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  266  		 * replaced by the OUTPUT ones.
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  267  		 */
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  268  		pix_mp->width = ctx->src_fmt.width;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  269  		pix_mp->height = ctx->src_fmt.height;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  270  	}
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  271  
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  272  	pix_mp->field = V4L2_FIELD_NONE;
0a4f091c12b3ea drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Boris Brezillon 2019-05-28  273  
0a4f091c12b3ea drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Boris Brezillon 2019-05-28  274  	v4l2_apply_frmsize_constraints(&pix_mp->width, &pix_mp->height,
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  275  				       &vpu_fmt->frmsize);
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  276  
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  277  	if (!coded) {
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  278  		/* Fill remaining fields */
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  279  		v4l2_fill_pixfmt_mp(pix_mp, fmt->fourcc, pix_mp->width,
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  280  				    pix_mp->height);
8c2d66b036c778 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2019-12-05  281  		if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_H264_SLICE &&
042584e9055b61 drivers/staging/media/hantro/hantro_v4l2.c             Philipp Zabel   2020-01-27 @282  		    !hantro_needs_postproc(ctx, fmt))
a9471e25629b02 drivers/staging/media/hantro/hantro_v4l2.c             Hertz Wong      2019-08-16  283  			pix_mp->plane_fmt[0].sizeimage +=
6574b7394c10e2 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  284  				hantro_h264_mv_size(pix_mp->width,
6574b7394c10e2 drivers/staging/media/hantro/hantro_v4l2.c             Ezequiel Garcia 2020-03-11  285  						    pix_mp->height);
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  286  	} else if (!pix_mp->plane_fmt[0].sizeimage) {
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  287  		/*
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  288  		 * For coded formats the application can specify
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  289  		 * sizeimage. If the application passes a zero sizeimage,
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  290  		 * let's default to the maximum frame size.
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  291  		 */
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  292  		pix_mp->plane_fmt[0].sizeimage = fmt->header_size +
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  293  			pix_mp->width * pix_mp->height * fmt->max_depth;
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  294  	}
953aaa1492c538 drivers/staging/media/rockchip/vpu/rockchip_vpu_v4l2.c Boris Brezillon 2019-05-28  295  
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  296  	return 0;
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  297  }
775fec69008d30 drivers/staging/media/rockchip/vpu/rockchip_vpu_enc.c  Ezequiel Garcia 2018-12-05  298  

:::::: The code at line 282 was first introduced by commit
:::::: 042584e9055b615ac917239884fb0d65690f56ec media: hantro: fix extra MV/MC sync space calculation

:::::: TO: Philipp Zabel <p.zabel@pengutronix.de>
:::::: CC: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

---
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