linux-kernel - Re: [PATCH v6 1/3] drm/mipi-dsi: add mipi_dsi_compression_mode

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Message-ID: <202410092245.tfsuUllL-lkp@intel.com>
Date: Wed, 9 Oct 2024 20:18:20 +0800
From: kernel test robot <lkp@...el.com>
To: Dzmitry Sankouski <dsankouski@...il.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dzmitry Sankouski <dsankouski@...il.com>
Subject: Re: [PATCH v6 1/3] drm/mipi-dsi: add mipi_dsi_compression_mode_multi

Hi Dzmitry,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 58ca61c1a866bfdaa5e19fb19a2416764f847d75]

url:    https://github.com/intel-lab-lkp/linux/commits/Dzmitry-Sankouski/drm-mipi-dsi-add-mipi_dsi_compression_mode_multi/20241007-022151
base:   58ca61c1a866bfdaa5e19fb19a2416764f847d75
patch link:    https://lore.kernel.org/r/20241006-starqltechn_integration_upstream-v6-1-8336b9cd6c34%40gmail.com
patch subject: [PATCH v6 1/3] drm/mipi-dsi: add mipi_dsi_compression_mode_multi
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20241009/202410092245.tfsuUllL-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410092245.tfsuUllL-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/202410092245.tfsuUllL-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/drm_mipi_dsi.c:1533: warning: Function parameter or struct member 'ctx' not described in 'mipi_dsi_compression_mode_multi'
>> drivers/gpu/drm/drm_mipi_dsi.c:1533: warning: Excess function parameter 'dsi' description in 'mipi_dsi_compression_mode_multi'


vim +1533 drivers/gpu/drm/drm_mipi_dsi.c

  1522	
  1523	/**
  1524	 * mipi_dsi_compression_mode_multi() - enable/disable DSC on the peripheral
  1525	 * @dsi: DSI peripheral device
  1526	 * @enable: Whether to enable or disable the DSC
  1527	 *
  1528	 * Enable or disable Display Stream Compression on the peripheral using the
  1529	 * default Picture Parameter Set and VESA DSC 1.1 algorithm.
  1530	 */
  1531	void mipi_dsi_compression_mode_multi(struct mipi_dsi_multi_context *ctx,
  1532					     bool enable)
> 1533	{
  1534		return mipi_dsi_compression_mode_ext_multi(ctx, enable,
  1535							   MIPI_DSI_COMPRESSION_DSC, 0);
  1536	}
  1537	EXPORT_SYMBOL(mipi_dsi_compression_mode_multi);
  1538	

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