Hi Uma, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next next-20240216] [cannot apply to drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.8-rc4] [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/Uma-Shankar/drm-color-pipeline-base-work/20240213-144544 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20240213064835.139464-2-uma.shankar%40intel.com patch subject: [PATCH 01/28] [NOT FOR REVIEW] drm: color pipeline base work config: x86_64-randconfig-121-20240214 (https://download.01.org/0day-ci/archive/20240216/202402161931.6Z8xdViq-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240216/202402161931.6Z8xdViq-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/202402161931.6Z8xdViq-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/vkms/vkms_colorop.c:11:11: sparse: sparse: symbol 'vkms_initialize_tf_pipeline' was not declared. Should it be static? -- drivers/gpu/drm/vkms/vkms_composer.c: note: in included file: >> drivers/gpu/drm/vkms/tests/vkms_color_tests.c:29:29: sparse: sparse: symbol 'test_linear_lut' was not declared. Should it be static? >> drivers/gpu/drm/vkms/tests/vkms_color_tests.c:87:32: sparse: sparse: symbol 'test_matrix_3x4_50_desat' was not declared. Should it be static? >> drivers/gpu/drm/vkms/tests/vkms_color_tests.c:146:32: sparse: sparse: symbol 'test_matrix_3x4_bt709_enc' was not declared. Should it be static? vim +/vkms_initialize_tf_pipeline +11 drivers/gpu/drm/vkms/vkms_colorop.c 10 > 11 const int vkms_initialize_tf_pipeline(struct drm_plane *plane, struct drm_prop_enum_list *list) 12 { 13 14 struct drm_colorop *op, *prev_op; 15 struct drm_device *dev = plane->dev; 16 int ret; 17 18 /* 1st op: 1d curve */ 19 op = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL); 20 if (!op) { 21 DRM_ERROR("KMS: Failed to allocate colorop\n"); 22 return -ENOMEM; 23 } 24 25 ret = drm_colorop_init(dev, op, plane, DRM_COLOROP_1D_CURVE); 26 if (ret) 27 return ret; 28 29 list->type = op->base.id; 30 list->name = kasprintf(GFP_KERNEL, "Color Pipeline %d", op->base.id); 31 32 prev_op = op; 33 34 /* 2nd op: 3x4 matrix */ 35 op = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL); 36 if (!op) { 37 DRM_ERROR("KMS: Failed to allocate colorop\n"); 38 return -ENOMEM; 39 } 40 41 ret = drm_colorop_init(dev, op, plane, DRM_COLOROP_CTM_3X4); 42 if (ret) 43 return ret; 44 45 drm_colorop_set_next_property(prev_op, op); 46 47 prev_op = op; 48 49 /* 3rd op: 3x4 matrix */ 50 op = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL); 51 if (!op) { 52 DRM_ERROR("KMS: Failed to allocate colorop\n"); 53 return -ENOMEM; 54 } 55 56 ret = drm_colorop_init(dev, op, plane, DRM_COLOROP_CTM_3X4); 57 if (ret) 58 return ret; 59 60 drm_colorop_set_next_property(prev_op, op); 61 62 prev_op = op; 63 64 /* 4th op: 1d curve */ 65 op = kzalloc(sizeof(struct drm_colorop), GFP_KERNEL); 66 if (!op) { 67 DRM_ERROR("KMS: Failed to allocate colorop\n"); 68 return -ENOMEM; 69 } 70 71 ret = drm_colorop_init(dev, op, plane, DRM_COLOROP_1D_CURVE); 72 if (ret) 73 return ret; 74 75 drm_colorop_set_next_property(prev_op, op); 76 77 return 0; 78 } 79 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki