Hi lishuo, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 5a399b91821faeec2466751db2d714b24f8eb17c commit: cad0702e5286d3cc80afe545de027858b855dd5a [1941/1941] DRM: Phytium display DRM driver config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20251213/202512132013.dOzXok66-lkp@i...) compiler: aarch64-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251213/202512132013.dOzXok66-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512132013.dOzXok66-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/gpu/drm/phytium/phytium_display_drv.c: In function 'phytium_irq_preinstall':
drivers/gpu/drm/phytium/phytium_display_drv.c:89:16: warning: variable 'status' set but not used [-Wunused-but-set-variable] 89 | int i, status; | ^~~~~~ drivers/gpu/drm/phytium/phytium_display_drv.c: In function 'phytium_irq_uninstall': drivers/gpu/drm/phytium/phytium_display_drv.c:100:16: warning: variable 'status' set but not used [-Wunused-but-set-variable] 100 | int i, status; | ^~~~~~ -- drivers/gpu/drm/phytium/phytium_plane.c:25:6: warning: no previous prototype for 'phytium_plane_destroy' [-Wmissing-prototypes] 25 | void phytium_plane_destroy(struct drm_plane *plane) | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_plane.c:67:1: warning: no previous prototype for 'phytium_plane_atomic_set_property' [-Wmissing-prototypes] 67 | phytium_plane_atomic_set_property(struct drm_plane *plane, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_plane.c:77:1: warning: no previous prototype for 'phytium_plane_atomic_duplicate_state' [-Wmissing-prototypes] 77 | phytium_plane_atomic_duplicate_state(struct drm_plane *plane) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_plane.c:98:1: warning: no previous prototype for 'phytium_plane_atomic_destroy_state' [-Wmissing-prototypes] 98 | phytium_plane_atomic_destroy_state(struct drm_plane *plane, struct drm_plane_state *state) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_plane.c: In function 'phytium_dc_primary_plane_update': drivers/gpu/drm/phytium/phytium_plane.c:372:35: warning: variable 'crtc_y' set but not used [-Wunused-but-set-variable] 372 | int src_x, src_y, crtc_x, crtc_y, crtc_w, crtc_h; | ^~~~~~ drivers/gpu/drm/phytium/phytium_plane.c:372:27: warning: variable 'crtc_x' set but not used [-Wunused-but-set-variable] 372 | int src_x, src_y, crtc_x, crtc_y, crtc_w, crtc_h; | ^~~~~~ -- drivers/gpu/drm/phytium/phytium_crtc.c:104:1: warning: no previous prototype for 'phytium_crtc_atomic_duplicate_state' [-Wmissing-prototypes] 104 | phytium_crtc_atomic_duplicate_state(struct drm_crtc *crtc) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_crtc.c:119:1: warning: no previous prototype for 'phytium_crtc_atomic_destroy_state' [-Wmissing-prototypes] 119 | phytium_crtc_atomic_destroy_state(struct drm_crtc *crtc, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_crtc.c: In function 'phytium_crtc_atomic_flush': drivers/gpu/drm/phytium/phytium_crtc.c:303:36: warning: variable 'phytium_crtc_state' set but not used [-Wunused-but-set-variable] 303 | struct phytium_crtc_state *phytium_crtc_state = NULL; | ^~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/phytium_dp.c:542:6: warning: no previous prototype for 'phytium_dp_coding_8b10b_need_enable' [-Wmissing-prototypes] 542 | bool phytium_dp_coding_8b10b_need_enable(unsigned char test_pattern) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:559:6: warning: no previous prototype for 'phytium_dp_scrambled_need_enable' [-Wmissing-prototypes] 559 | bool phytium_dp_scrambled_need_enable(unsigned char test_pattern) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:692:6: warning: no previous prototype for 'phytium_dp_hw_enable_audio' [-Wmissing-prototypes] 692 | void phytium_dp_hw_enable_audio(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:861:6: warning: no previous prototype for 'phytium_dp_hw_disable_video' [-Wmissing-prototypes] 861 | void phytium_dp_hw_disable_video(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:872:6: warning: no previous prototype for 'phytium_dp_hw_video_is_enable' [-Wmissing-prototypes] 872 | bool phytium_dp_hw_video_is_enable(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:883:6: warning: no previous prototype for 'phytium_dp_hw_enable_video' [-Wmissing-prototypes] 883 | void phytium_dp_hw_enable_video(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:895:6: warning: no previous prototype for 'phytium_dp_hw_config_video' [-Wmissing-prototypes] 895 | void phytium_dp_hw_config_video(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:984:6: warning: no previous prototype for 'phytium_dp_hw_disable_output' [-Wmissing-prototypes] 984 | void phytium_dp_hw_disable_output(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:996:6: warning: no previous prototype for 'phytium_dp_hw_enable_output' [-Wmissing-prototypes] 996 | void phytium_dp_hw_enable_output(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1008:6: warning: no previous prototype for 'phytium_dp_hw_enable_input_source' [-Wmissing-prototypes] 1008 | void phytium_dp_hw_enable_input_source(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1019:6: warning: no previous prototype for 'phytium_dp_hw_disable_input_source' [-Wmissing-prototypes] 1019 | void phytium_dp_hw_disable_input_source(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1029:6: warning: no previous prototype for 'phytium_dp_hw_output_is_enable' [-Wmissing-prototypes] 1029 | bool phytium_dp_hw_output_is_enable(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1066:6: warning: no previous prototype for 'phytium_dp_hw_hpd_irq_setup' [-Wmissing-prototypes] 1066 | void phytium_dp_hw_hpd_irq_setup(struct phytium_dp_device *phytium_dp, bool enable) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1081:5: warning: no previous prototype for 'phytium_dp_hw_init' [-Wmissing-prototypes] 1081 | int phytium_dp_hw_init(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1260:6: warning: no previous prototype for 'phytium_dp_dpcd_sink_dpms' [-Wmissing-prototypes] 1260 | void phytium_dp_dpcd_sink_dpms(struct phytium_dp_device *phytium_dp, int mode) | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1486:5: warning: no previous prototype for 'phytium_dp_get_link_train_fallback_values' [-Wmissing-prototypes] 1486 | int phytium_dp_get_link_train_fallback_values(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1535:5: warning: no previous prototype for 'phytium_dp_start_link_train' [-Wmissing-prototypes] 1535 | int phytium_dp_start_link_train(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1840:6: warning: no previous prototype for 'phytium_dp_hpd_poll_handler' [-Wmissing-prototypes] 1840 | void phytium_dp_hpd_poll_handler(struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:1987:6: warning: no previous prototype for 'phytium_dp_fast_link_train' [-Wmissing-prototypes] 1987 | bool phytium_dp_fast_link_train(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:2178:6: warning: no previous prototype for 'phytium_dp_adjust_link_train_parameter' [-Wmissing-prototypes] 2178 | void phytium_dp_adjust_link_train_parameter(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_dp.c:2438:5: warning: no previous prototype for 'phytium_get_encoder_crtc_mask' [-Wmissing-prototypes] 2438 | int phytium_get_encoder_crtc_mask(struct phytium_dp_device *phytium_dp, int port) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/phytium_gem.c:21:5: warning: no previous prototype for 'phytium_memory_pool_alloc' [-Wmissing-prototypes] 21 | int phytium_memory_pool_alloc(struct phytium_display_private *priv, void **pvaddr, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_gem.c:36:6: warning: no previous prototype for 'phytium_memory_pool_free' [-Wmissing-prototypes] 36 | void phytium_memory_pool_free(struct phytium_display_private *priv, void *vaddr, uint64_t size) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_gem.c:188:5: warning: no previous prototype for 'phytium_dma_transfer' [-Wmissing-prototypes] 188 | int phytium_dma_transfer(struct drm_device *drm_dev, int dev_to_mem, void *addr, | ^~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/x100_dp.c:852:6: warning: no previous prototype for 'x100_dp_hw_spread_is_enable' [-Wmissing-prototypes] 852 | bool x100_dp_hw_spread_is_enable(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dp.c:864:5: warning: no previous prototype for 'x100_dp_hw_reset' [-Wmissing-prototypes] 864 | int x100_dp_hw_reset(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dp.c:897:9: warning: no previous prototype for 'x100_dp_hw_get_source_lane_count' [-Wmissing-prototypes] 897 | uint8_t x100_dp_hw_get_source_lane_count(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/x100_dc.c:64:6: warning: no previous prototype for 'x100_dc_hw_vram_init' [-Wmissing-prototypes] 64 | void x100_dc_hw_vram_init(struct phytium_display_private *priv, resource_size_t vram_addr, | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:96:6: warning: no previous prototype for 'x100_dc_hw_clear_msi_irq' [-Wmissing-prototypes] 96 | void x100_dc_hw_clear_msi_irq(struct phytium_display_private *priv, uint32_t phys_pipe) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:101:6: warning: no previous prototype for 'x100_dc_hw_config_pix_clock' [-Wmissing-prototypes] 101 | void x100_dc_hw_config_pix_clock(struct drm_crtc *crtc, int clock) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:119:6: warning: no previous prototype for 'x100_dc_hw_disable' [-Wmissing-prototypes] 119 | void x100_dc_hw_disable(struct drm_crtc *crtc) | ^~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:167:5: warning: no previous prototype for 'x100_dc_hw_fb_format_check' [-Wmissing-prototypes] 167 | int x100_dc_hw_fb_format_check(const struct drm_mode_fb_cmd2 *mode_cmd, int count) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:237:6: warning: no previous prototype for 'x100_dc_hw_plane_get_primary_format' [-Wmissing-prototypes] 237 | void x100_dc_hw_plane_get_primary_format(const uint64_t **format_modifiers, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:246:6: warning: no previous prototype for 'x100_dc_hw_plane_get_cursor_format' [-Wmissing-prototypes] 246 | void x100_dc_hw_plane_get_cursor_format(const uint64_t **format_modifiers, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:255:6: warning: no previous prototype for 'x100_dc_hw_update_dcreq' [-Wmissing-prototypes] 255 | void x100_dc_hw_update_dcreq(struct drm_plane *plane) | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/x100_dc.c:312:6: warning: no previous prototype for 'x100_dc_hw_update_primary_hi_addr' [-Wmissing-prototypes] 312 | void x100_dc_hw_update_primary_hi_addr(struct drm_plane *plane) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/phytium_pci.c:23:6: warning: no previous prototype for 'phytium_pci_vram_hw_init' [-Wmissing-prototypes] 23 | void phytium_pci_vram_hw_init(struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c:30:5: warning: no previous prototype for 'phytium_pci_vram_init' [-Wmissing-prototypes] 30 | int phytium_pci_vram_init(struct pci_dev *pdev, struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c:68:6: warning: no previous prototype for 'phytium_pci_vram_fini' [-Wmissing-prototypes] 68 | void phytium_pci_vram_fini(struct pci_dev *pdev, struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c:89:5: warning: no previous prototype for 'phytium_pci_dma_init' [-Wmissing-prototypes] 89 | int phytium_pci_dma_init(struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c: In function 'phytium_pci_dma_init': drivers/gpu/drm/phytium/phytium_pci.c:99:34: error: 'PCI_VENDOR_ID_PHYTIUM' undeclared (first use in this function); did you mean 'PCI_VENDOR_ID_PHILIPS'? 99 | gpu_dev = pci_get_device(PCI_VENDOR_ID_PHYTIUM, 0xdc20, NULL); | ^~~~~~~~~~~~~~~~~~~~~ | PCI_VENDOR_ID_PHILIPS drivers/gpu/drm/phytium/phytium_pci.c:99:34: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/phytium/phytium_pci.c: At top level: drivers/gpu/drm/phytium/phytium_pci.c:137:6: warning: no previous prototype for 'phytium_pci_dma_fini' [-Wmissing-prototypes] 137 | void phytium_pci_dma_fini(struct phytium_display_private *priv) | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/phytium/phytium_pci.c:7: include/linux/pci.h:888:19: error: 'PCI_VENDOR_ID_PHYTIUM' undeclared here (not in a function); did you mean 'PCI_VENDOR_ID_PHILIPS'? 888 | .vendor = PCI_VENDOR_ID_##vend, .device = (dev), \ | ^~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c:375:11: note: in expansion of macro 'PCI_VDEVICE' 375 | { PCI_VDEVICE(PHYTIUM, 0xdc22), (kernel_ulong_t)&x100_info }, | ^~~~~~~~~~~ -- drivers/gpu/drm/phytium/e2000_dc.c:68:6: warning: no previous prototype for 'e2000_dc_hw_vram_init' [-Wmissing-prototypes] 68 | void e2000_dc_hw_vram_init(struct phytium_display_private *priv, resource_size_t vram_addr, | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:82:6: warning: no previous prototype for 'e2000_dc_hw_config_pix_clock' [-Wmissing-prototypes] 82 | void e2000_dc_hw_config_pix_clock(struct drm_crtc *crtc, int clock) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:99:6: warning: no previous prototype for 'e2000_dc_hw_reset' [-Wmissing-prototypes] 99 | void e2000_dc_hw_reset(struct drm_crtc *crtc) | ^~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:193:5: warning: no previous prototype for 'e2000_dc_hw_fb_format_check' [-Wmissing-prototypes] 193 | int e2000_dc_hw_fb_format_check(const struct drm_mode_fb_cmd2 *mode_cmd, int count) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:205:6: warning: no previous prototype for 'e2000_dc_hw_plane_get_primary_format' [-Wmissing-prototypes] 205 | void e2000_dc_hw_plane_get_primary_format(const uint64_t **format_modifiers, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:214:6: warning: no previous prototype for 'e2000_dc_hw_plane_get_cursor_format' [-Wmissing-prototypes] 214 | void e2000_dc_hw_plane_get_cursor_format(const uint64_t **format_modifiers, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:223:6: warning: no previous prototype for 'e2000_dc_hw_update_primary_hi_addr' [-Wmissing-prototypes] 223 | void e2000_dc_hw_update_primary_hi_addr(struct drm_plane *plane) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dc.c:240:6: warning: no previous prototype for 'e2000_dc_hw_update_cursor_hi_addr' [-Wmissing-prototypes] 240 | void e2000_dc_hw_update_cursor_hi_addr(struct drm_plane *plane, uint64_t iova) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/phytium_platform.c:19:5: warning: no previous prototype for 'phytium_platform_carveout_mem_init' [-Wmissing-prototypes] 19 | int phytium_platform_carveout_mem_init(struct platform_device *pdev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_platform.c:60:6: warning: no previous prototype for 'phytium_platform_carveout_mem_fini' [-Wmissing-prototypes] 60 | void phytium_platform_carveout_mem_fini(struct platform_device *pdev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/status +89 drivers/gpu/drm/phytium/phytium_display_drv.c 85 86 static void phytium_irq_preinstall(struct drm_device *dev) 87 { 88 struct phytium_display_private *priv = dev->dev_private;
89 int i, status; 90 91 for_each_pipe_masked(priv, i) { 92 status = phytium_readl_reg(priv, priv->dc_reg_base[i], PHYTIUM_DC_INT_STATUS); 93 phytium_writel_reg(priv, INT_DISABLE, priv->dc_reg_base[i], PHYTIUM_DC_INT_ENABLE); 94 } 95 } 96
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