Hi Chris, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip] [cannot apply to v5.7-rc3 next-20200424] [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/Chris-Wilson/drm-i915-gt-Apply-the-magic-PM-interval-roundup-to-all/20200428-030319 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: x86_64-defconfig (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c: In function 'intel_gt_ns_to_pm_interval': >> drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c:99:29: error: 'MHZ_25' undeclared (first use in this function); did you mean 'MHZ_12_5'? if (gt->clock_frequency == MHZ_25) ^~~~~~ MHZ_12_5 drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c:99:29: note: each undeclared identifier is reported only once for each function it appears in vim +99 drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c 85 86 u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns) 87 { 88 u32 val; 89 90 val = DIV_ROUND_UP(intel_gt_ns_to_clock_interval(gt, ns), 16); 91 92 /* 93 * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS 94 * 8300) freezing up around GPU hangs. Looks as if even 95 * scheduling/timer interrupts start misbehaving if the RPS 96 * EI/thresholds are "bad", leading to a very sluggish or even 97 * frozen machine. 98 */ > 99 if (gt->clock_frequency == MHZ_25) --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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