[openeuler:openEuler-1.0-LTS 1900/1900] drivers/gpu/drm/phytium/phytium_fbdev.c:96:26: sparse: sparse: incorrect type in assignment (different address spaces)
tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: c91cc1d257ea2f599d7cb6d2ec1fb76bacf12c2b commit: cad0702e5286d3cc80afe545de027858b855dd5a [1900/1900] DRM: Phytium display DRM driver config: arm64-randconfig-r132-20251030 (https://download.01.org/0day-ci/archive/20251031/202510310559.tj36zOcl-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251031/202510310559.tj36zOcl-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/202510310559.tj36zOcl-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)
drivers/gpu/drm/phytium/phytium_fbdev.c:96:26: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] <asn:2> *screen_base @@ got void * @@ drivers/gpu/drm/phytium/phytium_fbdev.c:96:26: sparse: expected char [noderef] <asn:2> *screen_base drivers/gpu/drm/phytium/phytium_fbdev.c:96:26: sparse: got void * drivers/gpu/drm/phytium/phytium_fbdev.c:113:5: warning: no previous prototype for 'phytium_drm_fbdev_init' [-Wmissing-prototypes] 113 | int phytium_drm_fbdev_init(struct drm_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_fbdev.c:144:6: warning: no previous prototype for 'phytium_drm_fbdev_fini' [-Wmissing-prototypes] 144 | void phytium_drm_fbdev_fini(struct drm_device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/x100_dp.c:852:6: sparse: sparse: symbol 'x100_dp_hw_spread_is_enable' was not declared. Should it be static? drivers/gpu/drm/phytium/x100_dp.c:864:5: sparse: sparse: symbol 'x100_dp_hw_reset' was not declared. Should it be static? drivers/gpu/drm/phytium/x100_dp.c:897:9: sparse: sparse: symbol 'x100_dp_hw_get_source_lane_count' was not declared. Should it be static? 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/phytium_pci.c:19:5: sparse: sparse: symbol 'dc_msi_enable' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_pci.c:23:6: sparse: sparse: symbol 'phytium_pci_vram_hw_init' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_pci.c:37:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *pool_virt_addr @@ got void [noderef] <asn:2> * @@ drivers/gpu/drm/phytium/phytium_pci.c:37:38: sparse: expected void *pool_virt_addr drivers/gpu/drm/phytium/phytium_pci.c:37:38: sparse: got void [noderef] <asn:2> * drivers/gpu/drm/phytium/phytium_pci.c:63:38: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got void *pool_virt_addr @@ drivers/gpu/drm/phytium/phytium_pci.c:63:38: sparse: expected void [noderef] <asn:2> *addr drivers/gpu/drm/phytium/phytium_pci.c:63:38: sparse: got void *pool_virt_addr drivers/gpu/drm/phytium/phytium_pci.c:30:5: sparse: sparse: symbol 'phytium_pci_vram_init' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_pci.c:72:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] <asn:2> *addr @@ got void *pool_virt_addr @@ drivers/gpu/drm/phytium/phytium_pci.c:72:46: sparse: expected void [noderef] <asn:2> *addr drivers/gpu/drm/phytium/phytium_pci.c:72:46: sparse: got void *pool_virt_addr drivers/gpu/drm/phytium/phytium_pci.c:68:6: sparse: sparse: symbol 'phytium_pci_vram_fini' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_pci.c:99:34: sparse: sparse: undefined identifier 'PCI_VENDOR_ID_PHYTIUM' drivers/gpu/drm/phytium/phytium_pci.c:113:34: sparse: sparse: undefined identifier 'PCI_VENDOR_ID_PHYTIUM' drivers/gpu/drm/phytium/phytium_pci.c:137:6: sparse: sparse: symbol 'phytium_pci_dma_fini' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_pci.c:375:11: sparse: sparse: undefined identifier 'PCI_VENDOR_ID_PHYTIUM' drivers/gpu/drm/phytium/phytium_pci.c:376:11: sparse: sparse: undefined identifier 'PCI_VENDOR_ID_PHYTIUM' 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), 44- | ^~~~~~~~~~~~~~ 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/phytium_pci.c:329:12: warning: 'phytium_pci_pm_resume' defined but not used [-Wunused-function] 329 | static int phytium_pci_pm_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_pci.c:306:12: warning: 'phytium_pci_pm_suspend' defined but not used [-Wunused-function] 306 | static int phytium_pci_pm_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/e2000_dp.c:471:6: sparse: sparse: symbol 'e2000_dp_hw_spread_is_enable' was not declared. Should it be static? drivers/gpu/drm/phytium/e2000_dp.c:476:5: sparse: sparse: symbol 'e2000_dp_hw_reset' was not declared. Should it be static? drivers/gpu/drm/phytium/e2000_dp.c:491:9: sparse: sparse: symbol 'e2000_dp_hw_get_source_lane_count' was not declared. Should it be static? drivers/gpu/drm/phytium/e2000_dp.c:471:6: warning: no previous prototype for 'e2000_dp_hw_spread_is_enable' [-Wmissing-prototypes] 471 | bool e2000_dp_hw_spread_is_enable(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dp.c:476:5: warning: no previous prototype for 'e2000_dp_hw_reset' [-Wmissing-prototypes] 476 | int e2000_dp_hw_reset(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/e2000_dp.c:491:9: warning: no previous prototype for 'e2000_dp_hw_get_source_lane_count' [-Wmissing-prototypes] 491 | uint8_t e2000_dp_hw_get_source_lane_count(struct phytium_dp_device *phytium_dp) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- drivers/gpu/drm/phytium/phytium_platform.c:32:38: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *pool_virt_addr @@ got void [noderef] <asn:2> * @@ drivers/gpu/drm/phytium/phytium_platform.c:32:38: sparse: expected void *pool_virt_addr drivers/gpu/drm/phytium/phytium_platform.c:32:38: sparse: got void [noderef] <asn:2> * drivers/gpu/drm/phytium/phytium_platform.c:55:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void *pool_virt_addr @@ drivers/gpu/drm/phytium/phytium_platform.c:55:21: sparse: expected void volatile [noderef] <asn:2> *addr drivers/gpu/drm/phytium/phytium_platform.c:55:21: sparse: got void *pool_virt_addr drivers/gpu/drm/phytium/phytium_platform.c:19:5: sparse: sparse: symbol 'phytium_platform_carveout_mem_init' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_platform.c:65:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got void *pool_virt_addr @@ drivers/gpu/drm/phytium/phytium_platform.c:65:29: sparse: expected void volatile [noderef] <asn:2> *addr drivers/gpu/drm/phytium/phytium_platform.c:65:29: sparse: got void *pool_virt_addr drivers/gpu/drm/phytium/phytium_platform.c:60:6: sparse: sparse: symbol 'phytium_platform_carveout_mem_fini' was not declared. Should it be static? drivers/gpu/drm/phytium/phytium_platform.c:298:10: sparse: sparse: Initializer entry defined twice drivers/gpu/drm/phytium/phytium_platform.c:306:10: sparse: also defined here 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, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_platform.c:253:12: warning: 'phytium_platform_pm_resume' defined but not used [-Wunused-function] 253 | static int phytium_platform_pm_resume(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/phytium/phytium_platform.c:245:12: warning: 'phytium_platform_pm_suspend' defined but not used [-Wunused-function] 245 | static int phytium_platform_pm_suspend(struct device *dev) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +96 drivers/gpu/drm/phytium/phytium_fbdev.c 35 36 static int 37 phytium_drm_fbdev_create(struct drm_fb_helper *helper, struct drm_fb_helper_surface_size *sizes) 38 { 39 struct phytium_display_private *priv = helper_to_drm_private(helper); 40 struct drm_device *dev = helper->dev; 41 unsigned int bytes_per_pixel; 42 struct drm_mode_fb_cmd2 mode_cmd = {0}; 43 struct phytium_framebuffer *phytium_fb = NULL; 44 struct fb_info *fbi = NULL; 45 struct drm_framebuffer *fb = NULL; 46 size_t size = 0; 47 int ret = 0; 48 unsigned long offset; 49 50 bytes_per_pixel = DIV_ROUND_UP(sizes->surface_bpp, 8); 51 mode_cmd.width = sizes->surface_width; 52 mode_cmd.height = sizes->surface_height; 53 mode_cmd.pitches[0] = ALIGN(sizes->surface_width * bytes_per_pixel, 128); 54 mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, sizes->surface_depth); 55 size = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height); 56 57 ret = mutex_lock_interruptible(&dev->struct_mutex); 58 if (ret < 0) { 59 DRM_ERROR("failed to get mutex lock\n"); 60 return ret; 61 } 62 63 priv->fbdev_phytium_gem = phytium_gem_create_object(dev, size); 64 if (!priv->fbdev_phytium_gem) { 65 DRM_ERROR("failed to create gem object\n"); 66 return -ENOMEM; 67 } 68 mutex_unlock(&dev->struct_mutex); 69 70 fbi = drm_fb_helper_alloc_fbi(helper); 71 if (IS_ERR(fbi)) { 72 DRM_DEV_ERROR(dev->dev, "Failed to create framebuffer info."); 73 ret = PTR_ERR(fbi); 74 goto out; 75 } 76 77 phytium_fb = phytium_fb_alloc(dev, &mode_cmd, &priv->fbdev_phytium_gem, 1); 78 if (IS_ERR(phytium_fb)) { 79 DRM_DEV_ERROR(dev->dev, "Failed to alloc DRM framebuffer.\n"); 80 ret = PTR_ERR(phytium_fb); 81 goto out; 82 } 83 84 helper->fb = &(phytium_fb->base); 85 fbi->par = helper; 86 fbi->flags = FBINFO_FLAG_DEFAULT; 87 fbi->fbops = &phytium_fbdev_ops; 88 89 fb = helper->fb; 90 drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->format->depth); 91 drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height); 92 93 offset = fbi->var.xoffset * bytes_per_pixel; 94 offset += fbi->var.yoffset * fb->pitches[0]; 95 dev->mode_config.fb_base = 0;
96 fbi->screen_base = priv->fbdev_phytium_gem->vaddr + offset; 97 fbi->screen_size = priv->fbdev_phytium_gem->base.size; 98 fbi->fix.smem_len = priv->fbdev_phytium_gem->base.size; 99 DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%pa offset=%ld size=%zu\n", fb->width, fb->height, 100 fb->format->depth, &priv->fbdev_phytium_gem->iova, offset, size); 101 fbi->skip_vt_switch = true; 102 103 return 0; 104 out: 105 phytium_gem_free_object(&priv->fbdev_phytium_gem->base); 106 return ret; 107 } 108
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