linux-kernel - Re: [PATCH v5 2/2] drm: bridge: cdns-mhdp8546: Add support for DSC and FEC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <202509200323.OEAahLBT-lkp@intel.com>
Date: Sat, 20 Sep 2025 03:38:35 +0800
From: kernel test robot <lkp@...el.com>
To: Harikrishna Shenoy <h-shenoy@...com>, andrzej.hajda@...el.com,
	neil.armstrong@...aro.org, rfoss@...nel.org,
	Laurent.pinchart@...asonboard.com, jonas@...boo.se,
	jernej.skrabec@...il.com, airlied@...il.com, simona@...ll.ch,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, sjakhade@...ence.com, yamonkar@...ence.com,
	lumag@...nel.org, dianders@...omium.org, jani.nikula@...el.com,
	luca.ceresoli@...tlin.com, andy.yan@...k-chips.com,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, devarsht@...com, u-kumar1@...com,
	s-jain1@...com, tomi.valkeinen@...asonboard.com
Cc: oe-kbuild-all@...ts.linux.dev, h-shenoy@...com
Subject: Re: [PATCH v5 2/2] drm: bridge: cdns-mhdp8546: Add support for DSC
 and FEC

Hi Harikrishna,

kernel test robot noticed the following build errors:

[auto build test ERROR on robh/for-next]
[also build test ERROR on drm-misc/drm-misc-next linus/master v6.17-rc6 next-20250919]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Harikrishna-Shenoy/dt-bindings-drm-bridge-MHDP8546-bridge-binding-changes-for-DSC/20250915-183321
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link:    https://lore.kernel.org/r/20250915103041.3891448-3-h-shenoy%40ti.com
patch subject: [PATCH v5 2/2] drm: bridge: cdns-mhdp8546: Add support for DSC and FEC
config: arm64-randconfig-002-20250919 (https://download.01.org/0day-ci/archive/20250920/202509200323.OEAahLBT-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250920/202509200323.OEAahLBT-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509200323.OEAahLBT-lkp@intel.com/

All errors (new ones prefixed by >>):

   aarch64-linux-ld: Unexpected GOT/PLT entries detected!
   aarch64-linux-ld: Unexpected run-time procedure linkages detected!
   aarch64-linux-ld: drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-dsc.o: in function `cdns_mhdp_dsc_write_enc_config':
>> cdns-mhdp8546-dsc.c:(.text+0x2f0): undefined reference to `drm_dsc_flatness_det_thresh'
   aarch64-linux-ld: drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-dsc.o: in function `cdns_mhdp_compute_dsc_params':
>> cdns-mhdp8546-dsc.c:(.text+0x91c): undefined reference to `drm_dsc_set_const_params'
>> aarch64-linux-ld: cdns-mhdp8546-dsc.c:(.text+0x924): undefined reference to `drm_dsc_set_rc_buf_thresh'
>> aarch64-linux-ld: cdns-mhdp8546-dsc.c:(.text+0x930): undefined reference to `drm_dsc_setup_rc_params'
>> aarch64-linux-ld: cdns-mhdp8546-dsc.c:(.text+0x940): undefined reference to `drm_dsc_initial_scale_value'
>> aarch64-linux-ld: cdns-mhdp8546-dsc.c:(.text+0x954): undefined reference to `drm_dsc_compute_rc_parameters'
   aarch64-linux-ld: drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-dsc.o: in function `cdns_mhdp_dsc_send_pps_sdp':
>> cdns-mhdp8546-dsc.c:(.text+0xa44): undefined reference to `drm_dsc_dp_pps_header_init'
>> aarch64-linux-ld: cdns-mhdp8546-dsc.c:(.text+0xa54): undefined reference to `drm_dsc_pps_payload_pack'

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki