[Intel-gfx] [PATCH 3/3] drm/i915/hdcp: disable the QSES check for HDCP2.2 over MST

kernel test robot lkp at intel.com
Wed Jan 27 07:39:04 UTC 2021

Hi Juston,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on drm-tip/drm-tip next-20210125]
[cannot apply to v5.11-rc5]
[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

url:    https://github.com/0day-ci/linux/commits/Juston-Li/drm-i915-hdcp-update-cp_irq_count_cached-in-intel_dp_hdcp2_read_msg/20210127-082615
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a003-20210126 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 74784a5aa47bb8967e5868831e359fa631abe465)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/46e1277aaec81a0c1a754855cc0f077f4ef866e0
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Juston-Li/drm-i915-hdcp-update-cp_irq_count_cached-in-intel_dp_hdcp2_read_msg/20210127-082615
        git checkout 46e1277aaec81a0c1a754855cc0f077f4ef866e0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/i915/display/intel_dp_hdcp.c:709:9: error: implicit declaration of function 'intel_dp_mst_get_qses_status' [-Werror,-Wimplicit-function-declaration]
           return intel_dp_mst_get_qses_status(dig_port, connector);
   1 error generated.

vim +/intel_dp_mst_get_qses_status +709 drivers/gpu/drm/i915/display/intel_dp_hdcp.c

1a67a168f57b68 Anshuman Gupta 2021-01-11  701  
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  702  static
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  703  bool intel_dp_mst_hdcp_check_link(struct intel_digital_port *dig_port,
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  704  				  struct intel_connector *connector)
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  705  {
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  706  	if (!intel_dp_hdcp_check_link(dig_port, connector))
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  707  		return false;
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  708  
e9fd05c3e4f21a Anshuman Gupta 2021-01-11 @709  	return intel_dp_mst_get_qses_status(dig_port, connector);
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  710  }
e9fd05c3e4f21a Anshuman Gupta 2021-01-11  711  

0-DAY CI Kernel Test Service, Intel Corporation
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