[PATCH v5 13/14] drm/bridge: imx: Add LDB support for i.MX8qm

kernel test robot lkp at intel.com
Wed Mar 10 13:25:41 UTC 2021


Hi Liu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on shawnguo/for-next]
[also build test WARNING on robh/for-next drm-intel/for-linux-next drm-tip/drm-tip tegra-drm/drm/tegra/for-next linus/master drm-exynos/exynos-drm-next v5.12-rc2 next-20210310]
[cannot apply to drm/drm-next]
[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]

url:    https://github.com/0day-ci/linux/commits/Liu-Ying/Add-some-DRM-bridge-drivers-support-for-i-MX8qm-qxp-SoCs/20210310-181047
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/2018fd6af385c7cad1ce9510fca71cc87d6d151b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Liu-Ying/Add-some-DRM-bridge-drivers-support-for-i-MX8qm-qxp-SoCs/20210310-181047
        git checkout 2018fd6af385c7cad1ce9510fca71cc87d6d151b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:69:15: warning: 'struct phy_configure_opts_lvds' declared inside parameter list will not be visible outside of this definition or declaration
      69 |        struct phy_configure_opts_lvds *phy_cfg)
         |               ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c: In function 'imx8qm_ldb_set_phy_cfg':
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:71:9: error: dereferencing pointer to incomplete type 'struct phy_configure_opts_lvds'
      71 |  phy_cfg->bits_per_lane_and_dclk_cycle = 7;
         |         ^~
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c: In function 'imx8qm_ldb_bridge_atomic_check':
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:91:49: error: 'union phy_configure_opts' has no member named 'lvds'
      91 |  struct phy_configure_opts_lvds *phy_cfg = &opts.lvds;
         |                                                 ^
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:99:62: error: passing argument 5 of 'imx8qm_ldb_set_phy_cfg' from incompatible pointer type [-Werror=incompatible-pointer-types]
      99 |  imx8qm_ldb_set_phy_cfg(imx8qm_ldb, di_clk, is_split, false, phy_cfg);
         |                                                              ^~~~~~~
         |                                                              |
         |                                                              struct phy_configure_opts_lvds *
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:69:40: note: expected 'struct phy_configure_opts_lvds *' but argument is of type 'struct phy_configure_opts_lvds *'
      69 |        struct phy_configure_opts_lvds *phy_cfg)
         |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:111:10: error: passing argument 5 of 'imx8qm_ldb_set_phy_cfg' from incompatible pointer type [-Werror=incompatible-pointer-types]
     111 |          phy_cfg);
         |          ^~~~~~~
         |          |
         |          struct phy_configure_opts_lvds *
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:69:40: note: expected 'struct phy_configure_opts_lvds *' but argument is of type 'struct phy_configure_opts_lvds *'
      69 |        struct phy_configure_opts_lvds *phy_cfg)
         |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c: In function 'imx8qm_ldb_bridge_mode_set':
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:137:49: error: 'union phy_configure_opts' has no member named 'lvds'
     137 |  struct phy_configure_opts_lvds *phy_cfg = &opts.lvds;
         |                                                 ^
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:152:62: error: passing argument 5 of 'imx8qm_ldb_set_phy_cfg' from incompatible pointer type [-Werror=incompatible-pointer-types]
     152 |  imx8qm_ldb_set_phy_cfg(imx8qm_ldb, di_clk, is_split, false, phy_cfg);
         |                                                              ^~~~~~~
         |                                                              |
         |                                                              struct phy_configure_opts_lvds *
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:69:40: note: expected 'struct phy_configure_opts_lvds *' but argument is of type 'struct phy_configure_opts_lvds *'
      69 |        struct phy_configure_opts_lvds *phy_cfg)
         |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:161:10: error: passing argument 5 of 'imx8qm_ldb_set_phy_cfg' from incompatible pointer type [-Werror=incompatible-pointer-types]
     161 |          phy_cfg);
         |          ^~~~~~~
         |          |
         |          struct phy_configure_opts_lvds *
   drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c:69:40: note: expected 'struct phy_configure_opts_lvds *' but argument is of type 'struct phy_configure_opts_lvds *'
      69 |        struct phy_configure_opts_lvds *phy_cfg)
         |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
   cc1: some warnings being treated as errors


vim +69 drivers/gpu/drm/bridge/imx/imx8qm-ldb-drv.c

    65	
    66	static void imx8qm_ldb_set_phy_cfg(struct imx8qm_ldb *imx8qm_ldb,
    67					   unsigned long di_clk,
    68					   bool is_split, bool is_slave,
  > 69					   struct phy_configure_opts_lvds *phy_cfg)
    70	{
    71		phy_cfg->bits_per_lane_and_dclk_cycle = 7;
    72		phy_cfg->lanes = 4;
    73		phy_cfg->differential_clk_rate = is_split ? di_clk / 2 : di_clk;
    74		phy_cfg->is_slave = is_slave;
    75	}
    76	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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