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

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Message-ID: <192d8bc9-112c-4303-a463-50d28d47cc21@linaro.org>
Date: Wed, 9 Oct 2024 14:33:56 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: kernel test robot <lkp@...el.com>,
 Dzmitry Sankouski <dsankouski@...il.com>,
 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
Subject: Re: [PATCH v6 1/3] drm/mipi-dsi: add mipi_dsi_compression_mode_multi

Hi,

On 09/10/2024 14:18, kernel test robot wrote:
> 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'

I missed this, Dmitry, can you send a follow-up patch fixing the kerneldoc ?

Thanks,
Neil

> 
> 
> 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	
>