Hi Stuart, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on v5.4-rc5 next-20191031] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Stuart-Summers/drm-i915-Skip-MCHBAR-queries-on-dgfx/20191102-122440 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/i915/i915_drv.c: In function 'intel_get_dram_info': >> drivers/gpu/drm/i915/i915_drv.c:1143:33: error: implicit declaration of function 'IS_DGFX'; did you mean 'IS_DAX'? [-Werror=implicit-function-declaration] if (INTEL_GEN(dev_priv) < 9 || IS_DGFX(dev_priv)) ^~~~~~~ IS_DAX cc1: some warnings being treated as errors vim +1143 drivers/gpu/drm/i915/i915_drv.c 1129 1130 static void 1131 intel_get_dram_info(struct drm_i915_private *dev_priv) 1132 { 1133 struct dram_info *dram_info = &dev_priv->dram_info; 1134 int ret; 1135 1136 /* 1137 * Assume 16Gb DIMMs are present until proven otherwise. 1138 * This is only used for the level 0 watermark latency 1139 * w/a which does not apply to bxt/glk. 1140 */ 1141 dram_info->is_16gb_dimm = !IS_GEN9_LP(dev_priv); 1142 > 1143 if (INTEL_GEN(dev_priv) < 9 || IS_DGFX(dev_priv)) 1144 return; 1145 1146 if (IS_GEN9_LP(dev_priv)) 1147 ret = bxt_get_dram_info(dev_priv); 1148 else 1149 ret = skl_get_dram_info(dev_priv); 1150 if (ret) 1151 return; 1152 1153 DRM_DEBUG_KMS("DRAM bandwidth: %u kBps, channels: %u\n", 1154 dram_info->bandwidth_kbps, 1155 dram_info->num_channels); 1156 1157 DRM_DEBUG_KMS("DRAM ranks: %u, 16Gb DIMMs: %s\n", 1158 dram_info->ranks, yesno(dram_info->is_16gb_dimm)); 1159 } 1160 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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