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

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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
        }
 }



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