linux-kernel - Re: [PATCH 08/13] media: stm32: dcmipp: add pixel pipes helper functions

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Message-ID: <202602040608.vLI553iq-lkp@intel.com>
Date: Wed, 4 Feb 2026 06:55:46 +0800
From: kernel test robot <lkp@...el.com>
To: Alain Volmat <alain.volmat@...s.st.com>,
	Hugues Fruchet <hugues.fruchet@...s.st.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-media@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, Alain Volmat <alain.volmat@...s.st.com>
Subject: Re: [PATCH 08/13] media: stm32: dcmipp: add pixel pipes helper
 functions

Hi Alain,

kernel test robot noticed the following build warnings:

[auto build test WARNING on eb4ee870747c3a77a9c3c84d84efb64bd481013a]

url:    https://github.com/intel-lab-lkp/linux/commits/Alain-Volmat/media-stm32-dcmipp-share-struct-dcmipp_device-among-subdevs/20260202-220852
base:   eb4ee870747c3a77a9c3c84d84efb64bd481013a
patch link:    https://lore.kernel.org/r/20260202-stm32-dcmipp-pixel-pipes-support-v1-8-8d8d51f5e014%40foss.st.com
patch subject: [PATCH 08/13] media: stm32: dcmipp: add pixel pipes helper functions
config: riscv-randconfig-r122-20260204 (https://download.01.org/0day-ci/archive/20260204/202602040608.vLI553iq-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602040608.vLI553iq-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602040608.vLI553iq-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   WARNING: invalid argument to '-march': '_zacas_zabha'
>> drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-pixelcommon.c:41:1: sparse: sparse: symbol 'dcmipp_pixel_formats_list' was not declared. Should it be static?

vim +/dcmipp_pixel_formats_list +41 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-pixelcommon.c

    17	
    18	#define DCMIPP_ENT(id, pad) (1 << (2 * (id) + (pad)))
    19	#define DCMIPP_ISP_SINK			(DCMIPP_ENT(DCMIPP_ISP, 0))
    20	#define DCMIPP_ISP_SRC			(DCMIPP_ENT(DCMIPP_ISP, 1))
    21	#define DCMIPP_ISP_INOUT		(DCMIPP_ISP_SINK | DCMIPP_ISP_SRC)
    22	#define DCMIPP_MAIN_POSTPROC_SINK	(DCMIPP_ENT(DCMIPP_MAIN, 0))
    23	#define DCMIPP_MAIN_POSTPROC_SRC	(DCMIPP_ENT(DCMIPP_MAIN, 1))
    24	#define DCMIPP_MAIN_POSTPROC_INOUT					\
    25		(DCMIPP_MAIN_POSTPROC_SINK | DCMIPP_MAIN_POSTPROC_SRC)
    26	#define DCMIPP_AUX_POSTPROC_SINK	(DCMIPP_ENT(DCMIPP_AUX, 0))
    27	#define DCMIPP_AUX_POSTPROC_SRC	(DCMIPP_ENT(DCMIPP_AUX, 1))
    28	#define DCMIPP_AUX_POSTPROC_INOUT					\
    29		(DCMIPP_AUX_POSTPROC_SINK | DCMIPP_AUX_POSTPROC_SRC)
    30	#define DCMIPP_ALL_POSTPROC_SINK					\
    31		(DCMIPP_MAIN_POSTPROC_SINK | DCMIPP_AUX_POSTPROC_SINK)
    32	#define DCMIPP_ALL_POSTPROC_INOUT					\
    33		(DCMIPP_MAIN_POSTPROC_INOUT | DCMIPP_AUX_POSTPROC_INOUT)
    34	
    35	#define PIXMAP_MBUS(mbus, applicable_pipes)		\
    36		{						\
    37			.code = MEDIA_BUS_FMT_##mbus,		\
    38			.pipes = applicable_pipes,		\
    39		}
    40	const struct dcmipp_pixelpipe_pix_map
  > 41	dcmipp_pixel_formats_list[] = {
    42		/* RGB formats */
    43		/* RGB565 / RGB888 */
    44		PIXMAP_MBUS(RGB565_2X8_LE, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    45		PIXMAP_MBUS(RGB565_1X16, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    46		PIXMAP_MBUS(RGB888_3X8, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    47		PIXMAP_MBUS(RGB888_1X24, DCMIPP_ALL_POSTPROC_INOUT | DCMIPP_ISP_INOUT),
    48		/* YUV formats */
    49		PIXMAP_MBUS(YUYV8_2X8, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    50		PIXMAP_MBUS(UYVY8_1X16, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    51		PIXMAP_MBUS(YUV8_1X24, DCMIPP_ALL_POSTPROC_INOUT | DCMIPP_ISP_SRC),
    52		/* GREY */
    53		PIXMAP_MBUS(Y8_1X8, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    54		PIXMAP_MBUS(Y10_1X10, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    55		PIXMAP_MBUS(Y12_1X12, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    56		PIXMAP_MBUS(Y14_1X14, DCMIPP_AUX_POSTPROC_SINK | DCMIPP_ISP_SINK),
    57		/* Raw Bayer */
    58		/* Raw 8 */
    59		PIXMAP_MBUS(SBGGR8_1X8, DCMIPP_ISP_SINK),
    60		PIXMAP_MBUS(SGBRG8_1X8, DCMIPP_ISP_SINK),
    61		PIXMAP_MBUS(SGRBG8_1X8, DCMIPP_ISP_SINK),
    62		PIXMAP_MBUS(SRGGB8_1X8, DCMIPP_ISP_SINK),
    63		/* Raw 10 */
    64		PIXMAP_MBUS(SBGGR10_1X10, DCMIPP_ISP_SINK),
    65		PIXMAP_MBUS(SGBRG10_1X10, DCMIPP_ISP_SINK),
    66		PIXMAP_MBUS(SGRBG10_1X10, DCMIPP_ISP_SINK),
    67		PIXMAP_MBUS(SRGGB10_1X10, DCMIPP_ISP_SINK),
    68		/* Raw 12 */
    69		PIXMAP_MBUS(SBGGR12_1X12, DCMIPP_ISP_SINK),
    70		PIXMAP_MBUS(SGBRG12_1X12, DCMIPP_ISP_SINK),
    71		PIXMAP_MBUS(SGRBG12_1X12, DCMIPP_ISP_SINK),
    72		PIXMAP_MBUS(SRGGB12_1X12, DCMIPP_ISP_SINK),
    73		/* Raw 14 */
    74		PIXMAP_MBUS(SBGGR14_1X14, DCMIPP_ISP_SINK),
    75		PIXMAP_MBUS(SGBRG14_1X14, DCMIPP_ISP_SINK),
    76		PIXMAP_MBUS(SGRBG14_1X14, DCMIPP_ISP_SINK),
    77		PIXMAP_MBUS(SRGGB14_1X14, DCMIPP_ISP_SINK),
    78	};
    79	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki