CC: [email protected]
BCC: [email protected]
CC: [email protected]
TO: Alex Deucher <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   b2d229d4ddb17db541098b83524d901257e93845
commit: d5c7255dc7ff6e1239d794b9c53029d83ced04ca drm/amdgpu/pm: fix powerplay 
OD interface
date:   5 months ago
:::::: branch date: 29 hours ago
:::::: commit date: 5 months ago
compiler: alpha-linux-gcc (GCC) 11.2.0
reproduce (cppcheck warning):
        # apt-get install cppcheck
        git checkout d5c7255dc7ff6e1239d794b9c53029d83ced04ca
        cppcheck --quiet --enable=style,performance,portability --template=gcc 
FILE

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


cppcheck warnings: (new ones prefixed by >>)
>> drivers/gpu/ipu-v3/ipu-di.c:460:13: warning: Local variable 'div' shadows 
>> outer variable [shadowVariable]
      unsigned div;
               ^
   drivers/gpu/ipu-v3/ipu-di.c:441:12: note: Shadowed declaration
     unsigned div, error;
              ^
   drivers/gpu/ipu-v3/ipu-di.c:460:13: note: Shadow variable
      unsigned div;
               ^

cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/i2c/i2c-dev.c:59:16: warning: Uninitialized variable: i2c_dev->adap 
>> [uninitvar]
     if (i2c_dev->adap->nr == index)
                  ^
--
   drivers/gpu/ipu-v3/ipu-prv.h:146:25: warning: Shifting signed 32-bit value 
by 31 bits is implementation-defined behaviour [shiftTooManyBitsSigned]
    IPU_CONF_CSI_SEL  = (1 << 31),
                           ^
   drivers/gpu/ipu-v3/ipu-prv.h:146:25: warning: Signed integer overflow for 
expression '1<<31'. [integerOverflow]
    IPU_CONF_CSI_SEL  = (1 << 31),
                           ^
>> drivers/gpu/ipu-v3/ipu-di.c:196:19: warning: Signed integer overflow for 
>> expression '0xffff<<(16*((wave_gen-1)&0x1))'. [integerOverflow]
     reg &= ~(0xffff << (16 * ((wave_gen - 1) & 0x1)));
                     ^
--
>> drivers/mmc/core/mmc_test.c:1487:6: warning: The if condition is the same as 
>> the previous if condition [duplicateCondition]
    if (timed)
        ^
   drivers/mmc/core/mmc_test.c:1484:6: note: First condition
    if (timed)
        ^
   drivers/mmc/core/mmc_test.c:1487:6: note: Second condition
    if (timed)
        ^
>> drivers/mmc/core/mmc_test.c:3026:51: warning: Parameter 'card' can be 
>> declared with const [constParameter]
   static void mmc_test_free_result(struct mmc_card *card)
                                                     ^
   drivers/mmc/core/mmc_test.c:3159:55: warning: Parameter 'card' can be 
declared with const [constParameter]
   static void mmc_test_free_dbgfs_file(struct mmc_card *card)
                                                         ^
>> drivers/mmc/core/mmc_test.c:3035:19: warning: Uninitialized variable: 
>> gr->card [uninitvar]
     if (card && gr->card != card)
                     ^
   drivers/mmc/core/mmc_test.c:3062:11: warning: Uninitialized variable: 
gr->card [uninitvar]
     if (gr->card != card)
             ^
>> drivers/mmc/core/mmc_test.c:3071:19: warning: Uninitialized variable: 
>> tr->iops [uninitvar]
       tr->rate, tr->iops / 100, tr->iops % 100);
                     ^
   drivers/mmc/core/mmc_test.c:3062:16: note: Assuming condition is false
     if (gr->card != card)
                  ^
   drivers/mmc/core/mmc_test.c:3071:19: note: Uninitialized variable: tr->iops
       tr->rate, tr->iops / 100, tr->iops % 100);
                     ^
>> drivers/mmc/core/mmc_test.c:3166:19: warning: Uninitialized variable: 
>> df->card [uninitvar]
     if (card && df->card != card)
                     ^
--
   In file included from 
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu10_hwmgr.c:
>> drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c:1053:12: warning: %d in 
>> format string (no. 1) requires 'int' but the argument type is 'unsigned 
>> int'. [invalidPrintfArgType_sint]
      size += sprintf(buf + size, "%d: %uMhz %sn",
              ^

vim +1053 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c

a960d61cbd6254 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Rex Zhu     
 2017-05-11  1016  
c425688520990d drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-03-06  1017  static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr,
a960d61cbd6254 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Rex Zhu     
 2017-05-11  1018               enum pp_clock_type type, char *buf)
a960d61cbd6254 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Rex Zhu     
 2017-05-11  1019  {
c425688520990d drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-03-06  1020       struct smu10_hwmgr *data = (struct smu10_hwmgr 
*)(hwmgr->backend);
c425688520990d drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-03-06  1021       struct smu10_voltage_dependency_table *mclk_table =
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1022                       data->clock_vol_info.vdd_dep_on_fclk;
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1023       uint32_t i, now, size = 0;
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1024       uint32_t min_freq, max_freq = 0;
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1025       uint32_t ret = 0;
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1026  
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1027       switch (type) {
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1028       case PP_SCLK:
a0ec225633d9f6 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Evan Quan   
 2020-03-27  1029               smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetGfxclkFrequency, &now);
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1030  
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1031       /* driver only know min/max gfx_clk, Add level 1 for 
all other gfx clks */
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1032               if (now == data->gfx_max_freq_limit/100)
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1033                       i = 2;
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1034               else if (now == data->gfx_min_freq_limit/100)
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1035                       i = 0;
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1036               else
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1037                       i = 1;
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1038  
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1039               size += sprintf(buf + size, "0: %uMhz 
%s\n",
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1040                                       
data->gfx_min_freq_limit/100,
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1041                                       i == 0 ? "*" : "");
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1042               size += sprintf(buf + size, "1: %uMhz 
%s\n",
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1043                                       i == 1 ? now : 
SMU10_UMD_PSTATE_GFXCLK,
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1044                                       i == 1 ? "*" : "");
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1045               size += sprintf(buf + size, "2: %uMhz 
%s\n",
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1046                                       
data->gfx_max_freq_limit/100,
21c77de3566115 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Rex Zhu     
 2018-04-20  1047                                       i == 2 ? "*" : "");
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1048               break;
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1049       case PP_MCLK:
a0ec225633d9f6 drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c    Evan Quan   
 2020-03-27  1050               smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetFclkFrequency, &now);
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1051  
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1052               for (i = 0; i < mclk_table->count; i++)
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23 @1053                       size += sprintf(buf + size, "%d: 
%uMhz %s\n",
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1054                                       i,
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1055                                       
mclk_table->entries[i].clk / 100,
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1056                                       
((mclk_table->entries[i].clk / 100)
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1057                                        == now) ? "*" : "");
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1058               break;
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1059       case OD_SCLK:
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1060               if (hwmgr->od_enabled) {
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1061                       ret = smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetMinGfxclkFrequency, &min_freq);
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1062                       if (ret)
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1063                               return ret;
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1064                       ret = smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq);
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1065                       if (ret)
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1066                               return ret;
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1067  
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1068                       size += sprintf(buf + size, 
"%s:\n", "OD_SCLK");
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1069                       size += sprintf(buf + size, "0: 
%10uMhz\n",
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1070                       (data->gfx_actual_soft_min_freq > 0) ? 
data->gfx_actual_soft_min_freq : min_freq);
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1071                       size += sprintf(buf + size, "1: 
%10uMhz\n",
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1072                       (data->gfx_actual_soft_max_freq > 0) ? 
data->gfx_actual_soft_max_freq : max_freq);
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1073               }
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1074               break;
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1075       case OD_RANGE:
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1076               if (hwmgr->od_enabled) {
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1077                       ret = smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetMinGfxclkFrequency, &min_freq);
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1078                       if (ret)
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1079                               return ret;
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1080                       ret = smum_send_msg_to_smc(hwmgr, 
PPSMC_MSG_GetMaxGfxclkFrequency, &max_freq);
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1081                       if (ret)
37f5d8b777a9a5 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-12-18  1082                               return ret;
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1083  
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1084                       size += sprintf(buf + size, 
"%s:\n", "OD_RANGE");
d5c7255dc7ff6e drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Alex 
Deucher 2021-11-23  1085                       size += sprintf(buf + size, 
"SCLK: %7uMHz %10uMHz\n",
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1086                               min_freq, max_freq);
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1087               }
12a6727dee5d11 drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c Xiaojian Du 
 2020-09-27  1088               break;
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1089       default:
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1090               break;
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1091       }
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1092  
5f628d997d1e41 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Evan Quan   
 2017-09-26  1093       return size;
a960d61cbd6254 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Rex Zhu     
 2017-05-11  1094  }
a960d61cbd6254 drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c       Rex Zhu     
 2017-05-11  1095  

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