[PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset

[kernel test robot]

Hi Liankun,

kernel test robot noticed the following build errors:

[auto build test ERROR on pza/reset/next]
[also build test ERROR on linus/master v6.11 next-20240923]
[cannot apply to pza/imx-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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Liankun-Yang/drm-mediatek-dp-Add-sdp-path-reset/20240923-213747
base:   https://git.pengutronix.de/git/pza/linux reset/next
patch link:    https://lore.kernel.org/r/20240923133610.23728-1-liankun.yang%40mediatek.com
patch subject: [PATCH v1 1/1] drm/mediatek: dp: Add sdp path reset
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20240924/202409240818.3cqdkw5o-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240924/202409240818.3cqdkw5o-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409240818.3cqdkw5o-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/mediatek/mtk_dp.c:9:
   In file included from include/drm/display/drm_dp_helper.h:27:
   In file included from include/linux/i2c.h:13:
   In file included from include/linux/acpi.h:39:
   In file included from include/acpi/acpi_io.h:7:
   In file included from arch/arm64/include/asm/acpi.h:14:
   In file included from include/linux/memblock.h:12:
   In file included from include/linux/mm.h:2228:
   include/linux/vmstat.h:503:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     503 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     504 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:510:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     510 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     511 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     517 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:523:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     523 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     524 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/gpu/drm/mediatek/mtk_dp.c:1058:5: error: use of undeclared identifier 'SDP_RESET_SW_DP_ENC0_P0'
    1058 |                                 SDP_RESET_SW_DP_ENC0_P0,
         |                                 ^
   drivers/gpu/drm/mediatek/mtk_dp.c:1059:5: error: use of undeclared identifier 'SDP_RESET_SW_DP_ENC0_P0'
    1059 |                                 SDP_RESET_SW_DP_ENC0_P0);
         |                                 ^
   drivers/gpu/drm/mediatek/mtk_dp.c:1064:8: error: use of undeclared identifier 'SDP_RESET_SW_DP_ENC0_P0'
    1064 |                                 0, SDP_RESET_SW_DP_ENC0_P0);
         |                                    ^
   4 warnings and 3 errors generated.


vim +/SDP_RESET_SW_DP_ENC0_P0 +1058 drivers/gpu/drm/mediatek/mtk_dp.c

  1054	
  1055	static void mtk_dp_sdp_path_reset(struct mtk_dp *mtk_dp)
  1056	{
  1057		mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004,
> 1058					SDP_RESET_SW_DP_ENC0_P0,
  1059					SDP_RESET_SW_DP_ENC0_P0);
  1060	
  1061		/* Wait for sdp path reset to complete */
  1062		usleep_range(1000, 5000);
  1063		mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004,
  1064					0, SDP_RESET_SW_DP_ENC0_P0);
  1065	}
  1066	

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