linux-kernel - Re: [PATCH 14/19] drm/i915/i915_gem: Provide function names to complete the expected kerneldoc format

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Message-ID: <202304010108.zHCEYcJV-lkp@intel.com>
Date:   Sat, 1 Apr 2023 01:52:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lee Jones <lee@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Eric Anholt <eric@...olt.net>, dri-devel@...ts.freedesktop.org,
        Rodrigo Vivi <rodrigo.vivi@...el.com>
Subject: Re: [PATCH 14/19] drm/i915/i915_gem: Provide function names to
 complete the expected kerneldoc format

Hi Lee,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-misc/drm-misc-next next-20230331]
[cannot apply to drm-intel/for-linux-next-fixes lee-leds/for-leds-next linus/master v6.3-rc4]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Lee-Jones/drm-i915-i915_scatterlist-Fix-kerneldoc-formatting-issue-missing/20230331-173046
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
patch link:    https://lore.kernel.org/r/20230331092607.700644-15-lee%40kernel.org
patch subject: [PATCH 14/19] drm/i915/i915_gem: Provide function names to complete the expected kerneldoc format
config: i386-defconfig (https://download.01.org/0day-ci/archive/20230401/202304010108.zHCEYcJV-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/6fa884d5ec2846c7d9b54c4895c7114b363c4389
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Lee-Jones/drm-i915-i915_scatterlist-Fix-kerneldoc-formatting-issue-missing/20230331-173046
        git checkout 6fa884d5ec2846c7d9b54c4895c7114b363c4389
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304010108.zHCEYcJV-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/i915_gem.c:819: warning: expecting prototype for i915_gem_sw_finish_ioct(). Prototype was for i915_gem_sw_finish_ioctl() instead


vim +819 drivers/gpu/drm/i915/i915_gem.c

673a394b1e3b69 Eric Anholt    2008-07-30  809  
673a394b1e3b69 Eric Anholt    2008-07-30  810  /**
6fa884d5ec2846 Lee Jones      2023-03-31  811   * i915_gem_sw_finish_ioct - Called when user space has done writes to this buffer
14bb2c11796d70 Tvrtko Ursulin 2016-06-03  812   * @dev: drm device
14bb2c11796d70 Tvrtko Ursulin 2016-06-03  813   * @data: ioctl data blob
14bb2c11796d70 Tvrtko Ursulin 2016-06-03  814   * @file: drm file
673a394b1e3b69 Eric Anholt    2008-07-30  815   */
673a394b1e3b69 Eric Anholt    2008-07-30  816  int
673a394b1e3b69 Eric Anholt    2008-07-30  817  i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
05394f3975dceb Chris Wilson   2010-11-08  818  			 struct drm_file *file)
673a394b1e3b69 Eric Anholt    2008-07-30 @819  {
673a394b1e3b69 Eric Anholt    2008-07-30  820  	struct drm_i915_gem_sw_finish *args = data;
05394f3975dceb Chris Wilson   2010-11-08  821  	struct drm_i915_gem_object *obj;
1d7cfea152cae6 Chris Wilson   2010-10-17  822  
03ac0642f67a3a Chris Wilson   2016-07-20  823  	obj = i915_gem_object_lookup(file, args->handle);
c21724cc4d3d5c Chris Wilson   2016-08-05  824  	if (!obj)
c21724cc4d3d5c Chris Wilson   2016-08-05  825  		return -ENOENT;
673a394b1e3b69 Eric Anholt    2008-07-30  826  
a03f395ad78f88 Tina Zhang     2017-11-14  827  	/*
a03f395ad78f88 Tina Zhang     2017-11-14  828  	 * Proxy objects are barred from CPU access, so there is no
a03f395ad78f88 Tina Zhang     2017-11-14  829  	 * need to ban sw_finish as it is a nop.
a03f395ad78f88 Tina Zhang     2017-11-14  830  	 */
a03f395ad78f88 Tina Zhang     2017-11-14  831  
673a394b1e3b69 Eric Anholt    2008-07-30  832  	/* Pinned buffers may be scanout, so flush the cache */
5a97bcc69cc02d Chris Wilson   2017-02-22  833  	i915_gem_object_flush_if_display(obj);
f0cd518206e1a4 Chris Wilson   2016-10-28  834  	i915_gem_object_put(obj);
5a97bcc69cc02d Chris Wilson   2017-02-22  835  
5a97bcc69cc02d Chris Wilson   2017-02-22  836  	return 0;
673a394b1e3b69 Eric Anholt    2008-07-30  837  }
673a394b1e3b69 Eric Anholt    2008-07-30  838  

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