linux-kernel - Re: [PATCH v2 2/2] drm/msm: Cleanup A6XX opp-level reading

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Message-ID: <201901221042.FpnpGwd7%fengguang.wu@intel.com>
Date:   Tue, 22 Jan 2019 10:21:55 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     kbuild-all@...org, Rob Clark <robdclark@...il.com>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        David Airlie <airlied@...ux.ie>, linux-arm-msm@...r.kernel.org,
        Sharat Masetty <smasetty@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        dri-devel@...ts.freedesktop.org,
        Stephen Boyd <swboyd@...omium.org>,
        Mamta Shukla <mamtashukla555@...il.com>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Andy Gross <andy.gross@...aro.org>,
        Colin Ian King <colin.king@...onical.com>,
        "Kristian H . Kristensen" <hoegsberg@...omium.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] drm/msm: Cleanup A6XX opp-level reading

Hi Douglas,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.0-rc2]
[also build test ERROR on next-20190116]
[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/Douglas-Anderson/drm-msm-Fix-A6XX-support-for-opp-level/20190118-042538
config: arm-imx_v6_v7_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 8.2.0-11) 8.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=8.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/msm/adreno/a6xx_gmu.c: In function 'a6xx_gmu_get_arc_level':
>> drivers/gpu/drm/msm/adreno/a6xx_gmu.c:944:8: error: implicit declaration of function 'dev_pm_opp_get_level'; did you mean 'dev_pm_opp_get_freq'? [-Werror=implicit-function-declaration]
     val = dev_pm_opp_get_level(opp);
           ^~~~~~~~~~~~~~~~~~~~
           dev_pm_opp_get_freq
   cc1: some warnings being treated as errors

vim +944 drivers/gpu/drm/msm/adreno/a6xx_gmu.c

   929	
   930	/* Return the 'arc-level' for the given frequency */
   931	static unsigned int a6xx_gmu_get_arc_level(struct device *dev,
   932						   unsigned long freq)
   933	{
   934		struct dev_pm_opp *opp;
   935		unsigned int val;
   936	
   937		if (!freq)
   938			return 0;
   939	
   940		opp = dev_pm_opp_find_freq_exact(dev, freq, true);
   941		if (IS_ERR(opp))
   942			return 0;
   943	
 > 944		val = dev_pm_opp_get_level(opp);
   945	
   946		dev_pm_opp_put(opp);
   947	
   948		return val;
   949	}
   950	

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

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