Re: [PATCH v1 04/14] drm/msm/dp: correct configure Colorimetry Indicator Field at MISC0

[kernel test robot <lkp@intel.com>]

Hi Kuogee,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on next-20230123]
[also build test WARNING on linus/master v6.2-rc5]
[cannot apply to drm-misc/drm-misc-next drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip v6.2-rc5 v6.2-rc4 v6.2-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759
patch link:    https://lore.kernel.org/r/1674498274-6010-5-git-send-email-quic_khsieh%40quicinc.com
patch subject: [PATCH v1 04/14] drm/msm/dp: correct configure Colorimetry Indicator Field at MISC0
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301240836.ik3aytbc-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/834f569a141af42cb93424c24e7d146f3b88405b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759
        git checkout 834f569a141af42cb93424c24e7d146f3b88405b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/drm/msm/

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

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/msm/dp/dp_panel.c:571: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * Mapper function which outputs colorimetry to be used for a


vim +571 drivers/gpu/drm/msm/dp/dp_panel.c

   569	
   570	/**
 > 571	 * Mapper function which outputs colorimetry to be used for a
   572	 * given colorspace value when misc field of MSA is used to
   573	 * change the colorimetry. Currently only RGB formats have been
   574	 * added. This API will be extended to YUV once its supported on DP.
   575	 */
   576	u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel)
   577	{
   578		u8 colorimetry;
   579		u32 colorspace;
   580		u32 cc;
   581		struct dp_panel_private *panel;
   582	
   583		panel = container_of(dp_panel, struct dp_panel_private, dp_panel);
   584	
   585		cc = dp_link_get_colorimetry_config(panel->link);
   586		/*
   587		 * If there is a non-zero value then compliance test-case
   588		 * is going on, otherwise we can honor the colorspace setting
   589		 */
   590		if (cc)
   591			return cc;
   592	
   593		colorspace = dp_panel->connector->state->colorspace;
   594		switch (colorspace) {
   595		case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
   596		case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
   597			colorimetry = 0x7;
   598			break;
   599		case DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED:
   600			colorimetry = 0x3;
   601			break;
   602		case DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT:
   603			colorimetry = 0xb;
   604			break;
   605		case DRM_MODE_COLORIMETRY_OPRGB:
   606			colorimetry = 0xc;
   607			break;
   608		default:
   609			colorimetry = 0;
   610		}
   611	
   612		return colorimetry;
   613	}
   614	

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