[radeon-alex:amd-20.45 1087/2427] drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used

kernel test robot lkp at intel.com
Tue Dec 15 01:15:27 UTC 2020


tree:   git://people.freedesktop.org/~agd5f/linux.git amd-20.45
head:   a3950d94b046fb206e58fd3ec717f071c0203ba3
commit: cba14b2c4e6c30f8af8c1fe00893e11e040d1873 [1087/2427] drm/amd/display: combine public interfaces into single header
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
        git remote add radeon-alex git://people.freedesktop.org/~agd5f/linux.git
        git fetch --no-tags radeon-alex amd-20.45
        git checkout cba14b2c4e6c30f8af8c1fe00893e11e040d1873
        # 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 >>):

   In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:33:
   drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
>> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     679 |   uint64_t temp;
         |            ^~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:735:6: warning: no previous prototype for 'amdgpu_dm_audio_eld_notify' [-Wmissing-prototypes]
     735 | void amdgpu_dm_audio_eld_notify(struct amdgpu_device *adev, int pin)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:1641:16: warning: no previous prototype for 'amdgpu_dm_commit_zero_streams' [-Wmissing-prototypes]
    1641 | enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
         |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:2866:1: warning: no previous prototype for 'dm_atomic_get_new_state' [-Wmissing-prototypes]
    2866 | dm_atomic_get_new_state(struct drm_atomic_state *state)
         | ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:2884:1: warning: no previous prototype for 'dm_atomic_get_old_state' [-Wmissing-prototypes]
    2884 | dm_atomic_get_old_state(struct drm_atomic_state *state)
         | ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_notify_freesync':
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3544:30: warning: variable 'old_con_state' set but not used [-Wunused-but-set-variable]
    3544 |  struct drm_connector_state *old_con_state, *new_con_state;
         |                              ^~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:6312:6: warning: no previous prototype for 'dm_drm_plane_destroy_state' [-Wmissing-prototypes]
    6312 | void dm_drm_plane_destroy_state(struct drm_plane *plane,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_commit_cursors':
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:7621:44: warning: variable 'new_plane_state' set but not used [-Wunused-but-set-variable]
    7621 |  struct drm_plane_state *old_plane_state, *new_plane_state;
         |                                            ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function 'amdgpu_dm_atomic_check':
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9600:25: warning: unused variable 'dm_old_crtc_state' [-Wunused-variable]
    9600 |   struct dm_crtc_state *dm_old_crtc_state  = to_dm_crtc_state(old_crtc_state);
         |                         ^~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9599:25: warning: unused variable 'dm_new_crtc_state' [-Wunused-variable]
    9599 |   struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
         |                         ^~~~~~~~~~~~~~~~~
   At top level:
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3483:11: warning: 'dm_get_backlight_level' defined but not used [-Wunused-function]
    3483 | static u8 dm_get_backlight_level(struct amdgpu_encoder *amdgpu_encoder)
         |           ^~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:3477:13: warning: 'dm_set_backlight_level' defined but not used [-Wunused-function]
    3477 | static void dm_set_backlight_level(struct amdgpu_encoder *amdgpu_encoder,
         |             ^~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:88,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:31:
   drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h:54:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
      54 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
         |                                          ^~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:31:
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
         |                      ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
     122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
     120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     193 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
                    from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
--
   In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_debugfs.c:35:
   drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
>> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     679 |   uint64_t temp;
         |            ^~~~
   In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   At top level:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     193 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
                    from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
--
   In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c:28:
   drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
>> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     679 |   uint64_t temp;
         |            ^~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:88,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c:30:
   At top level:
   drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h:54:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
      54 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
         |                                          ^~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dmub_psr.c:30:
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
         |                      ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
     122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
     120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     193 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
                    from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
--
   In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:28:
   drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
>> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     679 |   uint64_t temp;
         |            ^~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c: In function 'calculate_16_bit_backlight_from_pwm':
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:54:11: warning: variable 'bl_pwm_cntl' set but not used [-Wunused-but-set-variable]
      54 |  uint32_t bl_pwm_cntl, bl_pwm, fractional_duty_cycle_en;
         |           ^~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:53:11: warning: variable 'pwm_period_cntl' set but not used [-Wunused-but-set-variable]
      53 |  uint32_t pwm_period_cntl, bl_period, bl_int_count;
         |           ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:98:10: warning: no previous prototype for 'dce_panel_cntl_hw_init' [-Wmissing-prototypes]
      98 | uint32_t dce_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
         |          ^~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:158:6: warning: no previous prototype for 'dce_is_panel_backlight_on' [-Wmissing-prototypes]
     158 | bool dce_is_panel_backlight_on(struct panel_cntl *panel_cntl)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:168:6: warning: no previous prototype for 'dce_is_panel_powered_on' [-Wmissing-prototypes]
     168 | bool dce_is_panel_powered_on(struct panel_cntl *panel_cntl)
         |      ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:180:6: warning: no previous prototype for 'dce_store_backlight_level' [-Wmissing-prototypes]
     180 | void dce_store_backlight_level(struct panel_cntl *panel_cntl)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:195:6: warning: no previous prototype for 'dce_driver_set_backlight' [-Wmissing-prototypes]
     195 | void dce_driver_set_backlight(struct panel_cntl *panel_cntl,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:88,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:27:
   drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h:54:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
      54 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
         |                                          ^~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_panel_cntl.c:27:
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
         |                      ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
     122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
     120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     193 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
                    from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
--
   In file included from drivers/gpu/drm/amd/display/dmub/dmub_srv.h:67,
                    from drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h:30,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:61:
   drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending':
>> drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h:679:12: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     679 |   uint64_t temp;
         |            ^~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c: At top level:
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:788:6: warning: no previous prototype for 'apply_ctx_interdependent_lock' [-Wmissing-prototypes]
     788 | void apply_ctx_interdependent_lock(struct dc *dc, struct dc_state *context, struct dc_stream_state *stream, bool lock)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c: In function 'copy_stream_update_to_stream':
   drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:2053:21: warning: unused variable 'dc_ctx' [-Wunused-variable]
    2053 |  struct dc_context *dc_ctx = dc->ctx;
         |                     ^~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:88,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:33:
   At top level:
   drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h:54:42: warning: 'dpp_input_csc_matrix' defined but not used [-Wunused-const-variable=]
      54 | static const struct dpp_input_csc_matrix dpp_input_csc_matrix[] = {
         |                                          ^~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/inc/core_types.h:32,
                    from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc.c:33:
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:124:22: warning: 'DP_DVI_CONVERTER_ID_4' defined but not used [-Wunused-const-variable=]
     124 | static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
         |                      ^~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:122:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=]
     122 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/ddc_service_types.h:120:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=]
     120 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/amdgpu/amdgpu.h:193:18: warning: 'sched_policy' defined but not used [-Wunused-const-variable=]
     193 | static const int sched_policy = KFD_SCHED_POLICY_HWS;
         |                  ^~~~~~~~~~~~
   In file included from drivers/gpu/drm/amd/display/dc/dc_types.h:33,
                    from drivers/gpu/drm/amd/display/dc/dm_services_types.h:30,
                    from drivers/gpu/drm/amd/include/dm_pp_interface.h:26,
                    from drivers/gpu/drm/amd/amdgpu/amdgpu.h:64,
                    from drivers/gpu/drm/amd/backport/include/kcl/kcl_amdgpu.h:5,
                    from drivers/gpu/drm/amd/backport/backport.h:17,
                    from <command-line>:
   drivers/gpu/drm/amd/display/include/fixed31_32.h:76:32: warning: 'dc_fixpt_ln2_div_2' defined but not used [-Wunused-const-variable=]
      76 | static const struct fixed31_32 dc_fixpt_ln2_div_2 = { 1488522236LL };
         |                                ^~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:75:32: warning: 'dc_fixpt_ln2' defined but not used [-Wunused-const-variable=]
      75 | static const struct fixed31_32 dc_fixpt_ln2 = { 2977044471LL };
         |                                ^~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:74:32: warning: 'dc_fixpt_e' defined but not used [-Wunused-const-variable=]
      74 | static const struct fixed31_32 dc_fixpt_e = { 11674931555LL };
         |                                ^~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:73:32: warning: 'dc_fixpt_two_pi' defined but not used [-Wunused-const-variable=]
      73 | static const struct fixed31_32 dc_fixpt_two_pi = { 26986075409LL };
         |                                ^~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:72:32: warning: 'dc_fixpt_pi' defined but not used [-Wunused-const-variable=]
      72 | static const struct fixed31_32 dc_fixpt_pi = { 13493037705LL };
         |                                ^~~~~~~~~~~
   drivers/gpu/drm/amd/display/include/fixed31_32.h:67:32: warning: 'dc_fixpt_zero' defined but not used [-Wunused-const-variable=]
      67 | static const struct fixed31_32 dc_fixpt_zero = { 0 };
         |                                ^~~~~~~~~~~~~
..

vim +/temp +679 drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h

   670	
   671	static inline void dmub_rb_flush_pending(const struct dmub_rb *rb)
   672	{
   673		uint32_t rptr = rb->rptr;
   674		uint32_t wptr = rb->wrpt;
   675	
   676		while (rptr != wptr) {
   677			uint64_t volatile *data = (uint64_t volatile *)rb->base_address + rptr / sizeof(uint64_t);
   678			//uint64_t volatile *p = (uint64_t volatile *)data;
 > 679			uint64_t temp;
   680			int i;
   681	
   682			for (i = 0; i < DMUB_RB_CMD_SIZE / sizeof(uint64_t); i++)
   683				temp = *data++;
   684	
   685			rptr += DMUB_RB_CMD_SIZE;
   686			if (rptr >= rb->capacity)
   687				rptr %= rb->capacity;
   688		}
   689	}
   690	

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