Re: [ksinyuk:drm-tip 6/12] amdgpu_dm_connector_test.c:undefined reference to `parse_hdmi_amd_vsdb'

[Mario Limonciello <superm1@kernel.org>]

On 8/27/26 10:47 AM, Doug Anderson wrote:
> Hi,
> 
> On Thu, Aug 27, 2026 at 8:31 AM kernel test robot <lkp@intel.com> wrote:
>>
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ksinyuk/linux.git drm-tip
>> head:   e3e05bddbe9fea67639d2a3551e7cf2d473b804c
>> commit: 6fa42e05f7e63d41ade0e59fa5d94ca8028f7887 [6/12] Merge remote-tracking branch 'drm-misc/drm-misc-next' into drm-tip
>> config: um-allyesconfig (https://download.01.org/0day-ci/archive/20260827/202608272312.xpie6XDa-lkp@intel.com/config)
>> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260827/202608272312.xpie6XDa-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@intel.com>
>> | Closes: https://lore.kernel.org/oe-kbuild-all/202608272312.xpie6XDa-lkp@intel.com/
>>
>> All errors (new ones prefixed by >>):
>>
>>     /usr/bin/ld: drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.o: in function `dm_test_parse_hdmi_amd_vsdb_no_cea_ext':
>>>> amdgpu_dm_connector_test.c:(.text+0x8cfe): undefined reference to `parse_hdmi_amd_vsdb'
>>     /usr/bin/ld: drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.o: in function `dm_test_parse_hdmi_amd_vsdb_no_extensions':
>>     amdgpu_dm_connector_test.c:(.text+0x91c8): undefined reference to `parse_hdmi_amd_vsdb'
>>     /usr/bin/ld: drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_connector_test.o: in function `dm_test_parse_hdmi_amd_vsdb_null_edid':
>>     amdgpu_dm_connector_test.c:(.text+0x95ca): undefined reference to `parse_hdmi_amd_vsdb'
>>     /usr/lib/gcc/x86_64-linux-gnu/14/crtbegin.o: in function `deregister_tm_clones':
>>     crtstuff.c:(.text+0x7): relocation truncated to fit: R_X86_64_32S against `.tm_clone_table'
>>     /usr/lib/gcc/x86_64-linux-gnu/14/crtbegin.o: in function `register_tm_clones':
>>     crtstuff.c:(.text+0x38): relocation truncated to fit: R_X86_64_32S against `.tm_clone_table'
>>     collect2: error: ld returned 1 exit status
> 
> Not that this error seems to have anything to do with me, but I did a
> quick grep and my best guess is that the error you're seeing is
> related to this patch:
> 
> commit f65198b3d07389afdcb48e4ad00fea2aded95dfd
> Author:     Alex Huang <Alex.Huang2@amd.com>
> AuthorDate: Tue Aug 4 10:33:37 2026 -0400
> Commit:     Mario Limonciello <superm1@kernel.org>
> CommitDate: Mon Aug 10 23:26:00 2026 -0500
> 
>      drm/amd/display: Use HDMI FreeSync range from common EDID parser
> 
>      HDMI FreeSync on amdgpu is detected using the AMD VSDB parser in the
>      DMUB firmware, now that the common DRM EDID parser can do the same, use
>      the common parser.
> 
>      Extend get_amd_vsdb() to copy the relevant flags and data now being
>      extracted from the AMD VSDB. Additionally, parse_hdmi_amd_vsdb() and the
>      parse_edid_cea() firmware helpers now have no callers; remove them.
> 
>      Signed-off-by: Alex Huang <Alex.Huang2@amd.com>
>      Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
>      Link: https://patch.msgid.link/20260804143339.714548-3-Alex.Huang2@amd.com
>      (Adjust for movement to amdgpu_dm_connector.c)
>      Signed-off-by: Mario Limonciello <superm1@kernel.org>
> 
> That seems to have removed the parse_hdmi_amd_vsdb(). Despite the
> commit message, the function prototype is still in a header and there
> are still callers to it in amdgpu_dm_connector_test.c.
> 
> Adding the two people involved in that patch to this email thread.
> 
> Seems like the kernel test robot could use some help identifying the
> proper patch / people involved.
> 
> -Doug

Alex (Deucher) is planning to send a PR after the merge window with the fix.