Date:   Sat, 27 Nov 2021 06:37:05 +0800
From:   kernel test robot <lkp@intel.com>
To:     Zhi Wang <zhi.wang.linux@gmail.com>,
        intel-gfx@lists.freedesktop.org,
        intel-gvt-dev@lists.freedesktop.org,
        dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Cc:     kbuild-all@lists.01.org, Zhi Wang <zhi.wang.linux@gmail.com>,
        Jason Gunthorpe <jgg@nvidia.com>,
        Vivi Rodrigo <rodrigo.vivi@intel.com>,
        Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v3 1/2] i915/gvt: Introduce the mmio_info_table.c to
 support VFIO new mdev API
Message-ID: <202111270654.IbLd57DI-lkp@intel.com>
References: <20211126114623.88739-1-zhi.a.wang@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
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In-Reply-To: <20211126114623.88739-1-zhi.a.wang@intel.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
Precedence: bulk

Hi Zhi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip drm/drm-next tegra-drm/drm/tegra/for-next v5.16-rc2 next-20211126]
[cannot apply to airlied/drm-next]
[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]

url:    https://github.com/0day-ci/linux/commits/Zhi-Wang/i915-gvt-Introduce-the-mmio_info_table-c-to-support-VFIO-new-mdev-API/20211126-194800
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20211127/202111270654.IbLd57DI-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/82dadc38be63d9271031336db366cd71104df3a0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zhi-Wang/i915-gvt-Introduce-the-mmio_info_table-c-to-support-VFIO-new-mdev-API/20211126-194800
        git checkout 82dadc38be63d9271031336db366cd71104df3a0
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/i915/gvt/mmio_info_table.c:1414: warning: expecting prototype for intel_gvt_setup_mmio_table(). Prototype was for intel_gvt_setup_mmio_info() instead


vim +1414 drivers/gpu/drm/i915/gvt/mmio_info_table.c

  1402	
  1403	/**
  1404	 * intel_gvt_setup_mmio_table - setup MMIO information table for GVT device
  1405	 * @gvt: GVT device
  1406	 *
  1407	 * This function is called at the initialization stage, to setup the MMIO
  1408	 * information table for GVT device
  1409	 *
  1410	 * Returns:
  1411	 * zero on success, negative if failed.
  1412	 */
  1413	int intel_gvt_setup_mmio_info(struct intel_gvt *gvt)
> 1414	{

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org