linux-kernel - Re: [PATCH v3 2/2] drm: bridge: cdns-mhdp8546: Enable HDCP

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Message-ID: <202103180808.S467FFN7-lkp@intel.com>
Date:   Thu, 18 Mar 2021 08:38:47 +0800
From:   kernel test robot <lkp@...el.com>
To:     Parshuram Thombare <pthombar@...ence.com>, robert.foss@...aro.org,
        robh+dt@...nel.org, laurent.pinchart@...asonboard.com,
        airlied@...ux.ie, daniel@...ll.ch
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        narmstrong@...libre.com, Parshuram Thombare <pthombar@...ence.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v3 2/2] drm: bridge: cdns-mhdp8546: Enable HDCP

Hi Parshuram,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linux/master linus/master v5.12-rc3 next-20210317]
[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/Parshuram-Thombare/enable-HDCP-in-Cadence-MHDP-bridge-driver/20210318-000928
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: x86_64-randconfig-s022-20210317 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-277-gc089cd2d-dirty
        # https://github.com/0day-ci/linux/commit/9c8eb15a5059a553e08304619775dd7af4394eb1
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Parshuram-Thombare/enable-HDCP-in-Cadence-MHDP-bridge-driver/20210318-000928
        git checkout 9c8eb15a5059a553e08304619775dd7af4394eb1
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64 

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


sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c:502:5: sparse: sparse: symbol 'cdns_mhdp_hdcp_set_lc' was not declared. Should it be static?
>> drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c:516:1: sparse: sparse: symbol 'cdns_mhdp_hdcp_set_public_key_params' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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

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