Re: [Intel-gfx] [PATCH 3/3] drm/connector: move ELD and video/audio latencies to display info

[Jani Nikula <jani.nikula@intel.com>]

Obviously, I need to still work on this. *looks for brown paper bag*

On Tue, 24 Jan 2023, kernel test robot <lkp@intel.com> wrote:
> Hi Jani,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on drm-tip/drm-tip]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Jani-Nikula/drm-connector-move-HDR-sink-metadata-to-display-info/20230124-174322
> base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
> patch link:    https://lore.kernel.org/r/20230124094154.2282778-3-jani.nikula%40intel.com
> patch subject: [Intel-gfx] [PATCH 3/3] drm/connector: move ELD and video/audio latencies to display info
> config: arm-defconfig (https://download.01.org/0day-ci/archive/20230124/202301242049.eKzx7RzZ-lkp@intel.com/config)
> compiler: arm-linux-gnueabi-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/1e92b5478cfc1b0df66153652111117e9548b0d5
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Jani-Nikula/drm-connector-move-HDR-sink-metadata-to-display-info/20230124-174322
>         git checkout 1e92b5478cfc1b0df66153652111117e9548b0d5
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/gpu/
>
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
>    drivers/gpu/drm/tegra/hdmi.c: In function 'tegra_hdmi_write_eld':
>>> drivers/gpu/drm/tegra/hdmi.c:620:60: error: 'struct drm_connector' has no member named 'eld'
>      620 |         size_t length = drm_eld_size(hdmi->output.connector.eld), i;
>          |                                                            ^
>    drivers/gpu/drm/tegra/hdmi.c:624:72: error: 'struct drm_connector' has no member named 'eld'
>      624 |                 tegra_hdmi_writel(hdmi, i << 8 | hdmi->output.connector.eld[i],
>          |                                                                        ^
> --
>    drivers/gpu/drm/tegra/sor.c: In function 'tegra_sor_write_eld':
>>> drivers/gpu/drm/tegra/sor.c:1951:59: error: 'struct drm_connector' has no member named 'eld'
>     1951 |         size_t length = drm_eld_size(sor->output.connector.eld), i;
>          |                                                           ^
>    drivers/gpu/drm/tegra/sor.c:1954:69: error: 'struct drm_connector' has no member named 'eld'
>     1954 |                 tegra_sor_writel(sor, i << 8 | sor->output.connector.eld[i],
>          |                                                                     ^
>
>
> vim +620 drivers/gpu/drm/tegra/hdmi.c
>
> edec4af4c3d6d2 Thierry Reding 2012-11-15  617  
> 5234549b93aa2a Thierry Reding 2015-08-07  618  static void tegra_hdmi_write_eld(struct tegra_hdmi *hdmi)
> 5234549b93aa2a Thierry Reding 2015-08-07  619  {
> 5234549b93aa2a Thierry Reding 2015-08-07 @620  	size_t length = drm_eld_size(hdmi->output.connector.eld), i;
> 5234549b93aa2a Thierry Reding 2015-08-07  621  	u32 value;
> edec4af4c3d6d2 Thierry Reding 2012-11-15  622  
> 5234549b93aa2a Thierry Reding 2015-08-07  623  	for (i = 0; i < length; i++)
> 5234549b93aa2a Thierry Reding 2015-08-07  624  		tegra_hdmi_writel(hdmi, i << 8 | hdmi->output.connector.eld[i],
> 5234549b93aa2a Thierry Reding 2015-08-07  625  				  HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR);
> edec4af4c3d6d2 Thierry Reding 2012-11-15  626  
> 5234549b93aa2a Thierry Reding 2015-08-07  627  	/*
> 5234549b93aa2a Thierry Reding 2015-08-07  628  	 * The HDA codec will always report an ELD buffer size of 96 bytes and
> 5234549b93aa2a Thierry Reding 2015-08-07  629  	 * the HDA codec driver will check that each byte read from the buffer
> 5234549b93aa2a Thierry Reding 2015-08-07  630  	 * is valid. Therefore every byte must be written, even if no 96 bytes
> 5234549b93aa2a Thierry Reding 2015-08-07  631  	 * were parsed from EDID.
> 5234549b93aa2a Thierry Reding 2015-08-07  632  	 */
> 5234549b93aa2a Thierry Reding 2015-08-07  633  	for (i = length; i < HDMI_ELD_BUFFER_SIZE; i++)
> 5234549b93aa2a Thierry Reding 2015-08-07  634  		tegra_hdmi_writel(hdmi, i << 8 | 0,
> 5234549b93aa2a Thierry Reding 2015-08-07  635  				  HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR);
> 5234549b93aa2a Thierry Reding 2015-08-07  636  
> 5234549b93aa2a Thierry Reding 2015-08-07  637  	value = SOR_AUDIO_HDA_PRESENSE_VALID | SOR_AUDIO_HDA_PRESENSE_PRESENT;
> 5234549b93aa2a Thierry Reding 2015-08-07  638  	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE);
> edec4af4c3d6d2 Thierry Reding 2012-11-15  639  }
> edec4af4c3d6d2 Thierry Reding 2012-11-15  640  

-- 
Jani Nikula, Intel Open Source Graphics Center