From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2214906148583449843==" MIME-Version: 1.0 From: kernel test robot To: kbuild-all@lists.01.org Subject: [frank-w-bpi-r2-4.14:5.17-r2pro-hdmi 43/46] drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:2550:12: warning: stack frame size (1168) exceeds limit (1024) in 'vop2_bind' Date: Thu, 27 Jan 2022 13:49:23 +0800 Message-ID: <202201271359.OvFmFHh5-lkp@intel.com> List-Id: --===============2214906148583449843== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable tree: https://github.com/frank-w/BPI-R2-4.14 5.17-r2pro-hdmi head: 47ea0858ec5d41e130b4ec8e1afc783d6de12db1 commit: 353c7a28cd93e3fcde708355f1d45fac06ae0556 [43/46] drm: rockchip: Add= VOP2 driver config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20220= 127/202201271359.OvFmFHh5-lkp(a)intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f400a6= 012c668dfaa73462caf067ceb074e66c47) reproduce (this is a W=3D1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/= make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/frank-w/BPI-R2-4.14/commit/353c7a28cd93e3fcde7= 08355f1d45fac06ae0556 git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R= 2-4.14 git fetch --no-tags frank-w-bpi-r2-4.14 5.17-r2pro-hdmi git checkout 353c7a28cd93e3fcde708355f1d45fac06ae0556 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dclang make.cross W=3D= 1 O=3Dbuild_dir ARCH=3Dhexagon SHELL=3D/bin/bash drivers/gpu/drm/rockchip/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/gpu/drm/rockchip/rockchip_drm_vop2.c:2550:12: warning: stack fra= me size (1168) exceeds limit (1024) in 'vop2_bind' [-Wframe-larger-than] static int vop2_bind(struct device *dev, struct device *master, void *da= ta) ^ 1 warning generated. vim +/vop2_bind +2550 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c 2549 = > 2550 static int vop2_bind(struct device *dev, struct device *master, void= *data) 2551 { 2552 struct platform_device *pdev =3D to_platform_device(dev); 2553 const struct vop2_data *vop2_data; 2554 struct drm_device *drm =3D data; 2555 struct vop2 *vop2; 2556 struct resource *res; 2557 size_t alloc_size; 2558 int ret; 2559 = 2560 vop2_data =3D of_device_get_match_data(dev); 2561 if (!vop2_data) 2562 return -ENODEV; 2563 = 2564 /* Allocate vop2 struct and its vop2_win array */ 2565 alloc_size =3D sizeof(*vop2) + sizeof(*vop2->win) * vop2_data->win_= size; 2566 vop2 =3D devm_kzalloc(dev, alloc_size, GFP_KERNEL); 2567 if (!vop2) 2568 return -ENOMEM; 2569 = 2570 vop2->dev =3D dev; 2571 vop2->data =3D vop2_data; 2572 vop2->drm =3D drm; 2573 = 2574 dev_set_drvdata(dev, vop2); 2575 = 2576 res =3D platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); 2577 if (!res) { 2578 drm_err(vop2->drm, "failed to get vop2 register byname\n"); 2579 return -EINVAL; 2580 } 2581 = 2582 vop2->regs =3D devm_ioremap_resource(dev, res); 2583 if (IS_ERR(vop2->regs)) 2584 return PTR_ERR(vop2->regs); 2585 vop2->len =3D resource_size(res); 2586 = 2587 vop2->map =3D devm_regmap_init_mmio(dev, vop2->regs, &vop2_regmap_c= onfig); 2588 = 2589 ret =3D vop2_win_init(vop2); 2590 if (ret) 2591 return ret; 2592 = 2593 res =3D platform_get_resource_byname(pdev, IORESOURCE_MEM, "gamma_l= ut"); 2594 if (res) { 2595 vop2->lut_regs =3D devm_ioremap_resource(dev, res); 2596 if (IS_ERR(vop2->lut_regs)) 2597 return PTR_ERR(vop2->lut_regs); 2598 } 2599 = 2600 vop2->grf =3D syscon_regmap_lookup_by_phandle(dev->of_node, "rockch= ip,grf"); 2601 = 2602 vop2->hclk =3D devm_clk_get(vop2->dev, "hclk"); 2603 if (IS_ERR(vop2->hclk)) { 2604 drm_err(vop2->drm, "failed to get hclk source\n"); 2605 return PTR_ERR(vop2->hclk); 2606 } 2607 = 2608 vop2->aclk =3D devm_clk_get(vop2->dev, "aclk"); 2609 if (IS_ERR(vop2->aclk)) { 2610 drm_err(vop2->drm, "failed to get aclk source\n"); 2611 return PTR_ERR(vop2->aclk); 2612 } 2613 = 2614 vop2->irq =3D platform_get_irq(pdev, 0); 2615 if (vop2->irq < 0) { 2616 drm_err(vop2->drm, "cannot find irq for vop2\n"); 2617 return vop2->irq; 2618 } 2619 = 2620 mutex_init(&vop2->vop2_lock); 2621 = 2622 ret =3D devm_request_irq(dev, vop2->irq, vop2_isr, IRQF_SHARED, dev= _name(dev), vop2); 2623 if (ret) 2624 return ret; 2625 = 2626 ret =3D rockchip_drm_dma_attach_device(vop2->drm, vop2->dev); 2627 if (ret) { 2628 drm_err(vop2->drm, "failed to attach dma mapping, %d\n", ret); 2629 return ret; 2630 } 2631 = 2632 ret =3D vop2_create_crtc(vop2); 2633 if (ret) 2634 return ret; 2635 = 2636 pm_runtime_enable(&pdev->dev); 2637 = 2638 return 0; 2639 } 2640 = --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org --===============2214906148583449843==--