Hi Jason-JH.Lin, kernel test robot noticed the following build errors: [auto build test ERROR on drm/drm-next] [also build test ERROR on linus/master next-20240927] [cannot apply to v6.11] [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/Jason-JH-Lin/drm-mediatek-ovl-Add-fmt_convert-function-pointer-to-driver-data/20240925-182056 base: git://anongit.freedesktop.org/drm/drm drm-next patch link: https://lore.kernel.org/r/20240925101927.17042-3-jason-jh.lin%40mediatek.com patch subject: [PATCH v5 2/2] drm/mediatek: Add blend_modes to mtk_plane_init() for different SoCs config: arm-randconfig-002-20240929 (https://download.01.org/0day-ci/archive/20240929/202409290726.oaatx2OR-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240929/202409290726.oaatx2OR-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/202409290726.oaatx2OR-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/mediatek/mtk_crtc.h:10, from drivers/gpu/drm/mediatek/mtk_crtc.c:22: >> drivers/gpu/drm/mediatek/mtk_ddp_comp.h:83:9: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 83 | const u32 (*get_blend_modes)(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_ddp_comp.h:271:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 271 | const u32 mtk_ddp_comp_get_blend_modes(struct mtk_ddp_comp *comp) | ^~~~~ cc1: all warnings being treated as errors -- In file included from drivers/gpu/drm/mediatek/mtk_crtc.h:10, from drivers/gpu/drm/mediatek/mtk_disp_color.c:13: >> drivers/gpu/drm/mediatek/mtk_ddp_comp.h:83:9: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 83 | const u32 (*get_blend_modes)(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_ddp_comp.h:271:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 271 | const u32 mtk_ddp_comp_get_blend_modes(struct mtk_ddp_comp *comp) | ^~~~~ In file included from drivers/gpu/drm/mediatek/mtk_disp_color.c:15: >> drivers/gpu/drm/mediatek/mtk_disp_drv.h:106:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 106 | const u32 mtk_ovl_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:135:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 135 | const u32 mtk_ovl_adaptor_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:170:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 170 | const u32 mtk_mdp_rdma_get_blend_modes(struct device *dev); | ^~~~~ cc1: all warnings being treated as errors -- In file included from drivers/gpu/drm/mediatek/mtk_mdp_rdma.c:15: >> drivers/gpu/drm/mediatek/mtk_disp_drv.h:106:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 106 | const u32 mtk_ovl_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:135:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 135 | const u32 mtk_ovl_adaptor_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:170:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 170 | const u32 mtk_mdp_rdma_get_blend_modes(struct device *dev); | ^~~~~ In file included from drivers/gpu/drm/mediatek/mtk_drm_drv.h:10, from drivers/gpu/drm/mediatek/mtk_mdp_rdma.c:16: >> drivers/gpu/drm/mediatek/mtk_ddp_comp.h:83:9: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 83 | const u32 (*get_blend_modes)(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_ddp_comp.h:271:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 271 | const u32 mtk_ddp_comp_get_blend_modes(struct mtk_ddp_comp *comp) | ^~~~~ >> drivers/gpu/drm/mediatek/mtk_mdp_rdma.c:236:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 236 | const u32 mtk_mdp_rdma_get_blend_modes(struct device *dev) | ^~~~~ cc1: all warnings being treated as errors -- In file included from drivers/gpu/drm/mediatek/mtk_crtc.h:10, from drivers/gpu/drm/mediatek/mtk_disp_ovl.c:18: >> drivers/gpu/drm/mediatek/mtk_ddp_comp.h:83:9: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 83 | const u32 (*get_blend_modes)(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_ddp_comp.h:271:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 271 | const u32 mtk_ddp_comp_get_blend_modes(struct mtk_ddp_comp *comp) | ^~~~~ In file included from drivers/gpu/drm/mediatek/mtk_disp_ovl.c:20: >> drivers/gpu/drm/mediatek/mtk_disp_drv.h:106:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 106 | const u32 mtk_ovl_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:135:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 135 | const u32 mtk_ovl_adaptor_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:170:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 170 | const u32 mtk_mdp_rdma_get_blend_modes(struct device *dev); | ^~~~~ >> drivers/gpu/drm/mediatek/mtk_disp_ovl.c:219:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 219 | const u32 mtk_ovl_get_blend_modes(struct device *dev) | ^~~~~ cc1: all warnings being treated as errors -- In file included from drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c:20: >> drivers/gpu/drm/mediatek/mtk_ddp_comp.h:83:9: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 83 | const u32 (*get_blend_modes)(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_ddp_comp.h:271:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 271 | const u32 mtk_ddp_comp_get_blend_modes(struct mtk_ddp_comp *comp) | ^~~~~ In file included from drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c:21: >> drivers/gpu/drm/mediatek/mtk_disp_drv.h:106:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 106 | const u32 mtk_ovl_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:135:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 135 | const u32 mtk_ovl_adaptor_get_blend_modes(struct device *dev); | ^~~~~ drivers/gpu/drm/mediatek/mtk_disp_drv.h:170:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 170 | const u32 mtk_mdp_rdma_get_blend_modes(struct device *dev); | ^~~~~ >> drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c:403:1: error: type qualifiers ignored on function return type [-Werror=ignored-qualifiers] 403 | const u32 mtk_ovl_adaptor_get_blend_modes(struct device *dev) | ^~~~~ cc1: all warnings being treated as errors vim +83 drivers/gpu/drm/mediatek/mtk_ddp_comp.h 48 49 struct mtk_ddp_comp; 50 struct cmdq_pkt; 51 struct mtk_ddp_comp_funcs { 52 int (*power_on)(struct device *dev); 53 void (*power_off)(struct device *dev); 54 int (*clk_enable)(struct device *dev); 55 void (*clk_disable)(struct device *dev); 56 void (*config)(struct device *dev, unsigned int w, 57 unsigned int h, unsigned int vrefresh, 58 unsigned int bpc, struct cmdq_pkt *cmdq_pkt); 59 void (*start)(struct device *dev); 60 void (*stop)(struct device *dev); 61 void (*register_vblank_cb)(struct device *dev, 62 void (*vblank_cb)(void *), 63 void *vblank_cb_data); 64 void (*unregister_vblank_cb)(struct device *dev); 65 void (*enable_vblank)(struct device *dev); 66 void (*disable_vblank)(struct device *dev); 67 unsigned int (*supported_rotations)(struct device *dev); 68 unsigned int (*layer_nr)(struct device *dev); 69 int (*layer_check)(struct device *dev, 70 unsigned int idx, 71 struct mtk_plane_state *state); 72 void (*layer_config)(struct device *dev, unsigned int idx, 73 struct mtk_plane_state *state, 74 struct cmdq_pkt *cmdq_pkt); 75 unsigned int (*gamma_get_lut_size)(struct device *dev); 76 void (*gamma_set)(struct device *dev, 77 struct drm_crtc_state *state); 78 void (*bgclr_in_on)(struct device *dev); 79 void (*bgclr_in_off)(struct device *dev); 80 void (*ctm_set)(struct device *dev, 81 struct drm_crtc_state *state); 82 struct device * (*dma_dev_get)(struct device *dev); > 83 const u32 (*get_blend_modes)(struct device *dev); 84 const u32 *(*get_formats)(struct device *dev); 85 size_t (*get_num_formats)(struct device *dev); 86 void (*connect)(struct device *dev, struct device *mmsys_dev, unsigned int next); 87 void (*disconnect)(struct device *dev, struct device *mmsys_dev, unsigned int next); 88 void (*add)(struct device *dev, struct mtk_mutex *mutex); 89 void (*remove)(struct device *dev, struct mtk_mutex *mutex); 90 unsigned int (*encoder_index)(struct device *dev); 91 enum drm_mode_status (*mode_valid)(struct device *dev, const struct drm_display_mode *mode); 92 }; 93 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
