tree: git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
head: dab91783338bd3dd42638f89b5f7e34c57773207
commit: dab91783338bd3dd42638f89b5f7e34c57773207 [6/6] drm/i915: expose command stream timestamp frequency to userspace
config: i386-randconfig-s0-201746 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
git checkout dab91783338bd3dd42638f89b5f7e34c57773207
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
drivers/gpu/drm/i915/intel_device_info.o: In function `read_reference_ts_freq':
>> drivers/gpu/drm/i915/intel_device_info.c:345: undefined reference to `__udivdi3'
vim +345 drivers/gpu/drm/i915/intel_device_info.c
331
332 static u64 read_reference_ts_freq(struct drm_i915_private *dev_priv)
333 {
334 u32 ts_override = I915_READ(GEN9_TIMESTAMP_OVERRIDE);
335 u64 base_freq, frac_freq;
336
337 base_freq = ((ts_override & GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DIVIDER_MASK) >>
338 GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DIVIDER_SHIFT) + 1;
339 base_freq *= 1000000;
340
341 frac_freq = ((ts_override &
342 GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DENOMINATOR_MASK) >>
343 GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DENOMINATOR_SHIFT);
344 if (frac_freq != 0)
> 345 frac_freq = 1000000 / (frac_freq + 1);
346
347 return base_freq + frac_freq;
348 }
349
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
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