linux-kernel - Re: [PATCH v2 3/4] drm/dsi: Implement set tear scanline

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Message-ID: <201604201749.LtkTK1p4%fengguang.wu@intel.com>
Date:	Wed, 20 Apr 2016 17:53:10 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Vinay Simha BN <simhavcs@...il.com>
Cc:	kbuild-all@...org, Vinay Simha BN <simhavcs@...il.com>,
	David Airlie <airlied@...ux.ie>,
	"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/4] drm/dsi: Implement set tear scanline

Hi,

[auto build test ERROR on tegra-drm/drm/tegra/for-next]
[also build test ERROR on v4.6-rc4 next-20160420]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Vinay-Simha-BN/dt-bindings-Add-jdi-panel-vendor/20160420-173456
base:   git://anongit.freedesktop.org/tegra/linux.git drm/tegra/for-next
config: x86_64-randconfig-x012-201616 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/linkage.h:6:0,
                    from include/linux/kernel.h:6,
                    from include/linux/list.h:8,
                    from include/linux/kobject.h:20,
                    from include/linux/device.h:17,
                    from include/drm/drm_mipi_dsi.h:15,
                    from drivers/gpu/drm/drm_mipi_dsi.c:28:
>> drivers/gpu/drm/drm_mipi_dsi.c:1006:15: error: 'mipi_dsi_dcs_set_tear_scanline' undeclared here (not in a function)
    EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline);
                  ^
   include/linux/export.h:57:16: note: in definition of macro '__EXPORT_SYMBOL'
     extern typeof(sym) sym;     \
                   ^
>> drivers/gpu/drm/drm_mipi_dsi.c:1006:1: note: in expansion of macro 'EXPORT_SYMBOL'
    EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline);
    ^

vim +/mipi_dsi_dcs_set_tear_scanline +1006 drivers/gpu/drm/drm_mipi_dsi.c

  1000	        err = mipi_dsi_generic_write(dsi, &payload, sizeof(payload));
  1001	        if (err < 0)
  1002	                return err;
  1003	
  1004	        return 0;
  1005	}
> 1006	EXPORT_SYMBOL(mipi_dsi_dcs_set_tear_scanline);
  1007	/**
  1008	 * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image
  1009	 *    data used by the interface

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

Download attachment ".config.gz" of type "application/octet-stream" (24624 bytes)