tree: git://people.freedesktop.org/~agd5f/linux.git polaris-test head: 0812a945fbb814e7946fbe6ddcc81d054c8b6c91 commit: 0812a945fbb814e7946fbe6ddcc81d054c8b6c91 [19/19] drm/amd/powerplay: Update CKS on/ CKS off voltage offset calculation config: i386-allmodconfig (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 0812a945fbb814e7946fbe6ddcc81d054c8b6c91 # save the attached .config to linux build tree make ARCH=i386

All warnings (new ones prefixed by >>):

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c: In function 'polaris10_populate_clock_stretcher_data_table':

...

drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1798:4: warning: this decimal constant is unsigned only in ISO C90

volt_without_cks = (uint32_t)((2753594000 + (sclk_table->entries[i].clk/100) * 136418 -(ro - 70) * 1000000) / \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1803:4: warning: this decimal constant is unsigned only in ISO C90 volt_without_cks = (uint32_t)((2416794800 + (sclk_table->entries[i].clk/100) * 1476925/10 -(ro - 50) * 1000000) / \ ^~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c:1805:4: warning: this decimal constant is unsigned only in ISO C90 volt_with_cks = (uint32_t)((2999656000 + sclk_table->entries[i].clk * 392803/100 - (ro - 44) * 1000000) / \ ^~~~~~~~~~~~~

vim +1798 drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/polaris10_hwmgr.c

1782 min = 1000; 1783 max = 2300; 1784 } else { 1785 min = 1100; 1786 max = 2100; 1787 } 1788 1789 ro = efuse * (max -min)/255 + min; 1790 1791 /* Populate Sclk_CKS_masterEn0_7 and Sclk_voltageOffset 1792 * there is a little difference in calculating 1793 * volt_with_cks with windows */ 1794 for (i = 0; i < sclk_table->count; i++) { 1795 data->smc_state_table.Sclk_CKS_masterEn0_7 |= 1796 sclk_table->entries[i].cks_enable << i; 1797 if (hwmgr->chip_id == CHIP_POLARIS10) {

1798 volt_without_cks = (uint32_t)((2753594000 + (sclk_table->entries[i].clk/100) * 136418 -(ro - 70) * 1000000) / \

1799 (2424180 - (sclk_table->entries[i].clk/100) * 1132925/1000)); 1800 volt_with_cks = (uint32_t)((279720200 + sclk_table->entries[i].clk * 3232 - (ro - 65) * 100000000) / \ 1801 (252248000 - sclk_table->entries[i].clk/100 * 115764)); 1802 } else { 1803 volt_without_cks = (uint32_t)((2416794800 + (sclk_table->entries[i].clk/100) * 1476925/10 -(ro - 50) * 1000000) / \ 1804 (2625416 - (sclk_table->entries[i].clk/100) * 12586807/10000)); 1805 volt_with_cks = (uint32_t)((2999656000 + sclk_table->entries[i].clk * 392803/100 - (ro - 44) * 1000000) / \ 1806 (3422454 - sclk_table->entries[i].clk/100 * 18886376/10000));

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