[drm-intel:for-linux-next 1/4] htmldocs: drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'vm'

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tree:   git://anongit.freedesktop.org/drm-intel for-linux-next
head:   c781c978e784c50dcd7cb312fe17f5281923f55b
commit: e007b19d7ba7424735fd4f17a355b145ae153e4c [1/4] drm/i915: Use the MRU stack search after evicting
reproduce: make htmldocs

All warnings (new ones prefixed by >>):

   make[3]: warning: jobserver unavailable: using -j1.  Add '+' to parent make rule.
   include/linux/init.h:1: warning: no structured comments found
   include/linux/kthread.h:26: warning: Excess function parameter '...' description in 'kthread_create'
   kernel/sys.c:1: warning: no structured comments found
   drivers/dma-buf/seqno-fence.c:1: warning: no structured comments found
   include/drm/drm_drv.h:441: warning: No description found for parameter 'firstopen'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'open'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'preclose'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'postclose'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'lastclose'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'dma_ioctl'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'dma_quiescent'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'context_dtor'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'set_busid'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'irq_handler'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'irq_preinstall'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'irq_postinstall'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'irq_uninstall'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'debugfs_init'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'debugfs_cleanup'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_open_object'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_close_object'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'prime_handle_to_fd'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'prime_fd_to_handle'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_export'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_import'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_pin'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_unpin'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_res_obj'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_get_sg_table'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_import_sg_table'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_vmap'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_vunmap'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_prime_mmap'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'vgaarb_irq'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'gem_vm_ops'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'major'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'minor'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'patchlevel'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'name'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'desc'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'date'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'driver_features'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'dev_priv_size'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'ioctls'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'num_ioctls'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'fops'
   include/drm/drm_drv.h:441: warning: No description found for parameter 'legacy_dev_list'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'vm'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'node'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'size'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'alignment'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'color'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'start'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'end'
>> drivers/gpu/drm/i915/i915_gem_gtt.c:3594: warning: No description found for parameter 'flags'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'vm'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'node'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'size'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'alignment'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'color'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'start'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'end'
   drivers/gpu/drm/i915/i915_gem_gtt.c:3595: warning: No description found for parameter 'flags'
   drivers/media/dvb-core/dvb_frontend.h:677: warning: No description found for parameter 'refcount'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'filp'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'buf'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'count'
   drivers/char/tpm/tpm_vtpm_proxy.c:73: warning: No description found for parameter 'off'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'filp'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'buf'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'count'
   drivers/char/tpm/tpm_vtpm_proxy.c:123: warning: No description found for parameter 'off'
   drivers/char/tpm/tpm_vtpm_proxy.c:203: warning: No description found for parameter 'proxy_dev'
   sound/soc/soc-core.c:994: warning: No description found for parameter 'stream_name'
   Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent.
   Documentation/doc-guide/sphinx.rst:110: ERROR: Unknown target name: "sphinx c domain".
   include/net/cfg80211.h:3154: ERROR: Unexpected indentation.
   include/net/mac80211.h:3214: ERROR: Unexpected indentation.
   include/net/mac80211.h:3217: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:3219: ERROR: Unexpected indentation.
   include/net/mac80211.h:3220: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/net/mac80211.h:1773: ERROR: Unexpected indentation.
   include/net/mac80211.h:1777: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/sched/fair.c:7587: WARNING: Inline emphasis start-string without end-string.
   kernel/time/timer.c:1240: ERROR: Unexpected indentation.
   kernel/time/timer.c:1242: ERROR: Unexpected indentation.
   kernel/time/timer.c:1243: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:121: WARNING: Block quote ends without a blank line; unexpected unindent.
   include/linux/wait.h:124: ERROR: Unexpected indentation.
   include/linux/wait.h:126: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/time/hrtimer.c:1021: WARNING: Block quote ends without a blank line; unexpected unindent.
   kernel/signal.c:317: WARNING: Inline literal start-string without end-string.
   drivers/message/fusion/mptbase.c:5051: WARNING: Definition list ends without a blank line; unexpected unindent.
   drivers/tty/serial/serial_core.c:1897: WARNING: Definition list ends without a blank line; unexpected unindent.
   include/linux/spi/spi.h:369: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:481: ERROR: Unexpected indentation.
   drivers/usb/core/message.c:482: WARNING: Block quote ends without a blank line; unexpected unindent.
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_type".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_dir".
   Documentation/driver-api/usb.rst:623: ERROR: Unknown target name: "usb_recip".
   Documentation/driver-api/usb.rst:689: ERROR: Unknown target name: "usbdevfs_urb_type".
   sound/soc/soc-core.c:2508: ERROR: Unknown target name: "snd_soc_daifmt".
   sound/core/jack.c:312: ERROR: Unknown target name: "snd_jack_btn".
   Documentation/translations/ko_KR/howto.rst:293: WARNING: Inline emphasis start-string without end-string.
   WARNING: dvipng command 'dvipng' cannot be run (needed for math display), check the imgmath_dvipng setting

vim +/vm +3594 drivers/gpu/drm/i915/i915_gem_gtt.c

  3578	 * suitable hole is found, then the LRU list of objects within the GTT
  3579	 * is scanned to find the first set of replacement nodes to create the hole.
  3580	 * Those old overlapping nodes are evicted from the GTT (and so must be
  3581	 * rebound before any future use). Any node that is currently pinned cannot
  3582	 * be evicted (see i915_vma_pin()). Similar if the node's VMA is currently
  3583	 * active and #PIN_NONBLOCK is specified, that node is also skipped when
  3584	 * searching for an eviction candidate. See i915_gem_evict_something() for
  3585	 * the gory details on the eviction algorithm.
  3586	 *
  3587	 * Returns: 0 on success, -ENOSPC if no suitable hole is found, -EINTR if
  3588	 * asked to wait for eviction and interrupted.
  3589	 */
  3590	int i915_gem_gtt_insert(struct i915_address_space *vm,
  3591				struct drm_mm_node *node,
  3592				u64 size, u64 alignment, unsigned long color,
  3593				u64 start, u64 end, unsigned int flags)
> 3594	{
  3595		u32 search_flag, alloc_flag;
  3596		int err;
  3597	
  3598		lockdep_assert_held(&vm->i915->drm.struct_mutex);
  3599		GEM_BUG_ON(!size);
  3600		GEM_BUG_ON(!IS_ALIGNED(size, I915_GTT_PAGE_SIZE));
  3601		GEM_BUG_ON(alignment && !is_power_of_2(alignment));
  3602		GEM_BUG_ON(alignment && !IS_ALIGNED(alignment, I915_GTT_MIN_ALIGNMENT));

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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