Re: [PATCH v2] drm/client: Detect when ACPI lid is closed during initialization

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On Wed, 05 Jun 2024, Chris Bainbridge <chris.bainbridge@xxxxxxxxx> wrote:
> On Tue, Jun 04, 2024 at 10:02:29AM +0800, kernel test robot wrote:
>> Hi Mario,
>> 
>> 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 drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.10-rc2 next-20240603]
>> [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/Mario-Limonciello/drm-client-Detect-when-ACPI-lid-is-closed-during-initialization/20240529-050440
>> base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
>> patch link:    https://lore.kernel.org/r/20240528210319.1242-1-mario.limonciello%40amd.com
>> patch subject: [PATCH v2] drm/client: Detect when ACPI lid is closed during initialization
>> config: i386-randconfig-053-20240604 (https://download.01.org/0day-ci/archive/20240604/202406040928.Eu1gRIWv-lkp@xxxxxxxxx/config)
>> compiler: gcc-9 (Ubuntu 9.5.0-4ubuntu2) 9.5.0
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240604/202406040928.Eu1gRIWv-lkp@xxxxxxxxx/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@xxxxxxxxx>
>> | Closes: https://lore.kernel.org/oe-kbuild-all/202406040928.Eu1gRIWv-lkp@xxxxxxxxx/
>> 
>> All errors (new ones prefixed by >>):
>> 
>>    ld: drivers/gpu/drm/drm_client_modeset.o: in function `drm_client_match_edp_lid':
>> >> drivers/gpu/drm/drm_client_modeset.c:281:(.text+0x221b): undefined reference to `acpi_lid_open'
>> 
>> 
>> vim +281 drivers/gpu/drm/drm_client_modeset.c
>> 
>>    260	
>>    261	static void drm_client_match_edp_lid(struct drm_device *dev,
>>    262					     struct drm_connector **connectors,
>>    263					     unsigned int connector_count,
>>    264					     bool *enabled)
>>    265	{
>>    266		int i;
>>    267	
>>    268		for (i = 0; i < connector_count; i++) {
>>    269			struct drm_connector *connector = connectors[i];
>>    270	
>>    271			switch (connector->connector_type) {
>>    272			case DRM_MODE_CONNECTOR_LVDS:
>>    273			case DRM_MODE_CONNECTOR_eDP:
>>    274				if (!enabled[i])
>>    275					continue;
>>    276				break;
>>    277			default:
>>    278				continue;
>>    279			}
>>    280	
>>  > 281			if (!acpi_lid_open()) {
>>    282				drm_dbg_kms(dev, "[CONNECTOR:%d:%s] lid is closed, disabling\n",
>>    283					    connector->base.id, connector->name);
>>    284				enabled[i] = false;
>>    285			}
>>    286		}
>>    287	}
>>    288	
>> 
>> -- 
>> 0-DAY CI Kernel Test Service
>> https://github.com/intel/lkp-tests/wiki
>
> The failed config has CONFIG_ACPI_BUTTON=m. The build failure can be
> fixed with:
>
> diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
> index b76438c31761..0271e66f44f8 100644
> --- a/drivers/gpu/drm/drm_client_modeset.c
> +++ b/drivers/gpu/drm/drm_client_modeset.c
> @@ -271,11 +271,13 @@ static void drm_client_match_edp_lid(struct drm_device *dev,
>                 if (connector->connector_type != DRM_MODE_CONNECTOR_eDP || !enabled[i])
>                         continue;
>
> +#if defined(CONFIG_ACPI_BUTTON)
>                 if (!acpi_lid_open()) {
>                         drm_dbg_kms(dev, "[CONNECTOR:%d:%s] lid is closed, disabling\n",
>                                     connector->base.id, connector->name);
>                         enabled[i] = false;
>                 }
> +#endif
>         }
>  }

No. This is because

CONFIG_DRM=y
CONFIG_ACPI_BUTTON=m

The pedantically correct fix is probably having DRM

	depends on ACPI_BUTTON || ACPI_BUTTON=n

but seeing how i915 and xe just

	select ACPI_BUTTON if ACPI

and nouveau basically uses acpi_lid_open() it if it's reachable with no
regard to kconfig, it's anyone's guess what will work.


BR,
Jani.



-- 
Jani Nikula, Intel



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