Quoting kbuild test robot (2019-08-28 20:34:14) > Hi Lionel, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on drm-intel/for-linux-next] > [cannot apply to v5.3-rc6 next-20190828] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Lionel-Landwerlin/drm-i915-Vulkan-performance-query-support/20190829-020841 > base: git://anongit.freedesktop.org/drm-intel for-linux-next > config: i386-defconfig (attached as .config) > compiler: gcc-7 (Debian 7.4.0-11) 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 warnings (new ones prefixed by >>): > > drivers/gpu/drm/i915/i915_debugfs.c: In function 'i915_perf_noa_delay_set': > >> drivers/gpu/drm/i915/i915_debugfs.c:3588:18: warning: left shift count >= width of type [-Wshift-count-overflow] > if (val > ((1ul << 32) - 1) * RUNTIME_INFO(i915)->cs_timestamp_frequency_khz) > ^~ > > vim +3588 drivers/gpu/drm/i915/i915_debugfs.c > > 3575 > 3576 DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops, > 3577 i915_wedged_get, i915_wedged_set, > 3578 "%llu\n"); > 3579 > 3580 static int > 3581 i915_perf_noa_delay_set(void *data, u64 val) > 3582 { > 3583 struct drm_i915_private *i915 = data; > 3584 > 3585 /* This would lead to infinite waits as we're doing timestamp > 3586 * difference on the CS with only 32bits. > 3587 */ > > 3588 if (val > ((1ul << 32) - 1) * RUNTIME_INFO(i915)->cs_timestamp_frequency_khz) if (val > mul_u32_u32(U32_MAX, RUNTIME_INFO(i915)->cs_timestamp_frequency_khz)) > 3589 return -EINVAL; > 3590 > 3591 atomic64_set(&i915->perf.noa_programming_delay, val); > 3592 return 0; > 3593 } > 3594 > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation > > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
