Re: [PATCH v4 11/14] drm/bridge: analogix_dp: Use bridge->next_bridge instead of plat_data field

[Damon Ding <damon.ding@rock-chips.com>]

Hi Heiko,

On 10/20/2026 6:38 PM, Heiko Stübner wrote:
> Am Dienstag, 20. Oktober 2026, 07:36:21 Mitteleuropäische Sommerzeit schrieb kernel test robot:
>> Hi Damon,
>>
>> kernel test robot noticed the following build errors:
>>
>> [auto build test ERROR on drm-misc/drm-misc-next]
>> [also build test ERROR on drm/drm-next next-20261019]
>> [cannot apply to daeinki-drm-exynos/exynos-drm-next linus/master v7.3]
>> [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/Damon-Ding/drm-bridge-analogix_dp-Return-bitmask-from-analogix_dp_get_irq_type/20261019-165823
>> base:   https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
>> patch link:    https://lore.kernel.org/r/20261019085836.3065008-12-damon.ding%40rock-chips.com
>> patch subject: [PATCH v4 11/14] drm/bridge: analogix_dp: Use bridge->next_bridge instead of plat_data field
>> config: nios2-randconfig-1000-20261020 (https://download.01.org/0day-ci/archive/20261020/202610201309.w3JSXlP5-lkp@intel.com/config)
>> compiler: nios2-linux-gcc (GCC) 11.5.0
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261020/202610201309.w3JSXlP5-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/202610201309.w3JSXlP5-lkp@intel.com/
>>
>> All errors (new ones prefixed by >>):
>>
>>     nios2-linux-ld: drivers/gpu/drm/bridge/analogix/analogix_dp_core.o: in function `analogix_dp_aux_done_probing':
>>>> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1669:(.text+0xb80): undefined reference to `devm_drm_of_display_mode_bridge'
>>>> drivers/gpu/drm/bridge/analogix/analogix_dp_core.c:1669:(.text+0xb80): relocation truncated to fit: R_NIOS2_CALL26 against `devm_drm_of_display_mode_bridge'
> 
> I guess the Rockchip kconfig for the Analogix-DP also needs a
> 
> 	select DRM_OF_DISPLAY_MODE_BRIDGE
> 
> similar to exynos and imx.
> 

Will fix in v5. Also refine patches 9-13 as suggested by sashiko.

Best regards,
Damon