[PATCH v2] drm/amdgpu: Add support for drm_privacy_screen

[kernel test robot]

Hi Sean,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip drm-exynos/exynos-drm-next next-20220309]
[cannot apply to tegra-drm/drm/tegra/for-next airlied/drm-next v5.17-rc7]
[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/Sean-Paul/drm-amdgpu-Add-support-for-drm_privacy_screen/20220309-230712
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: arc-randconfig-r043-20220309 (https://download.01.org/0day-ci/archive/20220310/202203100441.aipzrKHU-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
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/6fedd7f8ea75c68634df4fa3cbacb0ee5f2fc984
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Sean-Paul/drm-amdgpu-Add-support-for-drm_privacy_screen/20220309-230712
        git checkout 6fedd7f8ea75c68634df4fa3cbacb0ee5f2fc984
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/gpu/

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 >>):

   In file included from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:44:
   drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
   drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2961:26: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
    2961 |                 uint64_t temp;
         |                          ^~~~
   In file included from include/linux/device.h:15,
                    from include/linux/acpi.h:15,
                    from include/linux/i2c.h:13,
                    from include/drm/drm_crtc.h:28,
                    from include/drm/drm_atomic.h:31,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:26:
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c: In function 'amdgpu_dm_initialize_dp_connector':
>> drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h:41:22: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
      41 | #define dev_fmt(fmt) "amdgpu: " fmt
         |                      ^~~~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   include/drm/drm_print.h:425:9: note: in expansion of macro 'dev_err'
     425 |         dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
         |         ^~~~
   include/drm/drm_print.h:438:9: note: in expansion of macro '__drm_printk'
     438 |         __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:533:25: note: in expansion of macro 'drm_err'
     533 |                         drm_err(dev, "Error getting privacy screen, ret=%d\n",
         |                         ^~~~~~~
   In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/dc_link_ddc.h:29,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:39:
   At top level:
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:128:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=]
     128 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA";
         |                      ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:125:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=]
     125 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0};
         |                      ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0};
         |                      ^~~~~~~~~~~~~~~~~~~~~~~


vim +41 drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu.h

539489fc91ea77 Aurabindo Pillai 2020-04-08  40  
539489fc91ea77 Aurabindo Pillai 2020-04-08 @41  #define dev_fmt(fmt) "amdgpu: " fmt
539489fc91ea77 Aurabindo Pillai 2020-04-08  42  

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