Hi Mario, kernel test robot noticed the following build warnings: [auto build test WARNING on amd-pstate/linux-next] [also build test WARNING on amd-pstate/bleeding-edge linus/master v6.11] [cannot apply to next-20240913] [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-amd-display-switch-amdgpu_dm_connector-to-use-struct-drm_edid/20240912-093827 base: https://git.kernel.org/pub/scm/linux/kernel/git/superm1/linux.git linux-next patch link: https://lore.kernel.org/r/20240911213537.2338164-11-superm1%40kernel.org patch subject: [PATCH v6 10/10] drm/amd/display: Fetch the EDID from _DDC if available for eDP config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240916/202409161225.xuQVKkoR-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240916/202409161225.xuQVKkoR-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/202409161225.xuQVKkoR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c: In function 'dm_helpers_probe_acpi_edid': >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c:883:28: warning: unused variable 'ddev' [-Wunused-variable] 883 | struct drm_device *ddev = connector->dev; | ^~~~ vim +/ddev +883 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_helpers.c 878 879 static int 880 dm_helpers_probe_acpi_edid(void *data, u8 *buf, unsigned int block, size_t len) 881 { 882 struct drm_connector *connector = data; > 883 struct drm_device *ddev = connector->dev; 884 struct acpi_device *acpidev = ACPI_COMPANION(ddev->dev); 885 unsigned char start = block * EDID_LENGTH; 886 void *edid; 887 int r; 888 889 if (!acpidev) 890 return -ENODEV; 891 892 /* fetch the entire edid from BIOS */ 893 r = acpi_video_get_edid(acpidev, ACPI_VIDEO_DISPLAY_LCD, -1, &edid); 894 if (r < 0) { 895 DRM_DEBUG_KMS("Failed to get EDID from ACPI: %d\n", r); 896 return r; 897 } 898 if (len > r || start > r || start + len > r) { 899 r = -EINVAL; 900 goto cleanup; 901 } 902 903 memcpy(buf, edid + start, len); 904 r = 0; 905 906 cleanup: 907 kfree(edid); 908 909 return r; 910 } 911 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
