Messages in this thread | | | Date | Tue, 7 Dec 2021 13:57:35 +0800 | From | kernel test robot <> | Subject | [drm-msm:msm-next-staging 58/58] drivers/gpu/drm/msm/msm_drv.c:513:26: warning: variable 'mdss' set but not used |
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tree: https://gitlab.freedesktop.org/drm/msm.git msm-next-staging head: 2027e5b3413d73533c6853154d31bf70c8eea7e1 commit: 2027e5b3413d73533c6853154d31bf70c8eea7e1 [58/58] drm/msm: Initialize MDSS irq domain at probe time config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20211207/202112071321.FSd1cb8x-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add drm-msm https://gitlab.freedesktop.org/drm/msm.git git fetch --no-tags drm-msm msm-next-staging git checkout 2027e5b3413d73533c6853154d31bf70c8eea7e1 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/gpu/drm/msm/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/msm/msm_drv.c: In function 'msm_drm_init': >> drivers/gpu/drm/msm/msm_drv.c:513:26: warning: variable 'mdss' set but not used [-Wunused-but-set-variable] 513 | struct msm_mdss *mdss; | ^~~~
vim +/mdss +513 drivers/gpu/drm/msm/msm_drv.c
5bf9c0b614542d Rob Clark 2015-03-03 506 70a59dd82959f8 Daniel Vetter 2020-11-04 507 static int msm_drm_init(struct device *dev, const struct drm_driver *drv) 5bf9c0b614542d Rob Clark 2015-03-03 508 { 2b669875332fbd Archit Taneja 2016-05-02 509 struct platform_device *pdev = to_platform_device(dev); ec919e6e7146e0 AngeloGioacchino Del Regno 2021-12-01 510 struct msm_drm_private *priv = dev_get_drvdata(dev); 2b669875332fbd Archit Taneja 2016-05-02 511 struct drm_device *ddev; 5bf9c0b614542d Rob Clark 2015-03-03 512 struct msm_kms *kms; bc3220be22577e Rajesh Yadav 2018-06-21 @513 struct msm_mdss *mdss; 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 514 int ret, i; 5bf9c0b614542d Rob Clark 2015-03-03 515 2b669875332fbd Archit Taneja 2016-05-02 516 ddev = drm_dev_alloc(drv, dev); 0f2886057be322 Tom Gundersen 2016-09-21 517 if (IS_ERR(ddev)) { 6a41da17e87dee Mamta Shukla 2018-10-20 518 DRM_DEV_ERROR(dev, "failed to allocate drm_device\n"); 0f2886057be322 Tom Gundersen 2016-09-21 519 return PTR_ERR(ddev); 2b669875332fbd Archit Taneja 2016-05-02 520 } 2b669875332fbd Archit Taneja 2016-05-02 521 ddev->dev_private = priv; 68209390f11603 Rob Clark 2016-05-17 522 priv->dev = ddev; 5bf9c0b614542d Rob Clark 2015-03-03 523 bc3220be22577e Rajesh Yadav 2018-06-21 524 mdss = priv->mdss; bc3220be22577e Rajesh Yadav 2018-06-21 525 5bf9c0b614542d Rob Clark 2015-03-03 526 priv->wq = alloc_ordered_workqueue("msm", 0); 1d2fa58e0dda33 Samuel Iglesias Gonsalvez 2021-06-07 527 priv->hangcheck_period = DRM_MSM_HANGCHECK_DEFAULT_PERIOD; 5bf9c0b614542d Rob Clark 2015-03-03 528 6ed0897cd800c3 Rob Clark 2021-03-31 529 INIT_LIST_HEAD(&priv->objects); 6ed0897cd800c3 Rob Clark 2021-03-31 530 mutex_init(&priv->obj_lock); 6ed0897cd800c3 Rob Clark 2021-03-31 531 3edfa30f2340e6 Rob Clark 2020-11-16 532 INIT_LIST_HEAD(&priv->inactive_willneed); 3edfa30f2340e6 Rob Clark 2020-11-16 533 INIT_LIST_HEAD(&priv->inactive_dontneed); 64fcbde772c72a Rob Clark 2021-04-05 534 INIT_LIST_HEAD(&priv->inactive_unpinned); d984457b31c4c5 Rob Clark 2020-10-23 535 mutex_init(&priv->mm_lock); 48e7f18392c66f Kristian H. Kristensen 2019-03-20 536 d984457b31c4c5 Rob Clark 2020-10-23 537 /* Teach lockdep about lock ordering wrt. shrinker: */ d984457b31c4c5 Rob Clark 2020-10-23 538 fs_reclaim_acquire(GFP_KERNEL); d984457b31c4c5 Rob Clark 2020-10-23 539 might_lock(&priv->mm_lock); d984457b31c4c5 Rob Clark 2020-10-23 540 fs_reclaim_release(GFP_KERNEL); 5bf9c0b614542d Rob Clark 2015-03-03 541 2b669875332fbd Archit Taneja 2016-05-02 542 drm_mode_config_init(ddev); 060530f1ea6740 Rob Clark 2014-03-03 543 d863f0c7b53628 Craig Tatlor 2020-12-30 544 ret = msm_init_vram(ddev); 77050c3febb180 Jeykumar Sankaran 2018-06-27 545 if (ret) 2027e5b3413d73 Dmitry Baryshkov 2021-12-01 546 return ret; 060530f1ea6740 Rob Clark 2014-03-03 547 d863f0c7b53628 Craig Tatlor 2020-12-30 548 /* Bind all our sub-components: */ d863f0c7b53628 Craig Tatlor 2020-12-30 549 ret = component_bind_all(dev, ddev); 13f15565f7887a Rob Clark 2015-05-07 550 if (ret) 2027e5b3413d73 Dmitry Baryshkov 2021-12-01 551 return ret; 13f15565f7887a Rob Clark 2015-05-07 552 d5653a994a665c Robin Murphy 2020-09-03 553 dma_set_max_seg_size(dev, UINT_MAX); db735fc4036bbe Sean Paul 2020-01-21 554 68209390f11603 Rob Clark 2016-05-17 555 msm_gem_shrinker_init(ddev); 68209390f11603 Rob Clark 2016-05-17 556 06c0dd96bfbba8 Rob Clark 2013-11-30 557 switch (get_mdp_ver(pdev)) { aaded2e3a1f6b7 Jeykumar Sankaran 2018-06-27 558 case KMS_MDP4: 2b669875332fbd Archit Taneja 2016-05-02 559 kms = mdp4_kms_init(ddev); 0a6030d224d3a4 Archit Taneja 2016-05-08 560 priv->kms = kms; 06c0dd96bfbba8 Rob Clark 2013-11-30 561 break; aaded2e3a1f6b7 Jeykumar Sankaran 2018-06-27 562 case KMS_MDP5: 392ae6e0efa5e2 Archit Taneja 2016-06-14 563 kms = mdp5_kms_init(ddev); 06c0dd96bfbba8 Rob Clark 2013-11-30 564 break; 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 565 case KMS_DPU: 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 566 kms = dpu_kms_init(ddev); 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 567 priv->kms = kms; 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 568 break; 06c0dd96bfbba8 Rob Clark 2013-11-30 569 default: e6f6d63ed14c20 Jonathan Marek 2018-12-04 570 /* valid only for the dummy headless case, where of_node=NULL */ e6f6d63ed14c20 Jonathan Marek 2018-12-04 571 WARN_ON(dev->of_node); e6f6d63ed14c20 Jonathan Marek 2018-12-04 572 kms = NULL; 06c0dd96bfbba8 Rob Clark 2013-11-30 573 break; 06c0dd96bfbba8 Rob Clark 2013-11-30 574 } 06c0dd96bfbba8 Rob Clark 2013-11-30 575 c8afe684c95cd1 Rob Clark 2013-06-26 576 if (IS_ERR(kms)) { 6a41da17e87dee Mamta Shukla 2018-10-20 577 DRM_DEV_ERROR(dev, "failed to load kms\n"); e4826a94c74446 Thomas Meyer 2013-09-16 578 ret = PTR_ERR(kms); b2ccfdf1dde588 Jonathan Marek 2018-11-21 579 priv->kms = NULL; 77050c3febb180 Jeykumar Sankaran 2018-06-27 580 goto err_msm_uninit; c8afe684c95cd1 Rob Clark 2013-06-26 581 } c8afe684c95cd1 Rob Clark 2013-06-26 582 bb676df12b5e81 Jeykumar Sankaran 2018-06-11 583 /* Enable normalization of plane zpos */ bb676df12b5e81 Jeykumar Sankaran 2018-06-11 584 ddev->mode_config.normalize_zpos = true; bb676df12b5e81 Jeykumar Sankaran 2018-06-11 585 c8afe684c95cd1 Rob Clark 2013-06-26 586 if (kms) { 2d99ced787e3d0 Rob Clark 2019-08-29 587 kms->dev = ddev; c8afe684c95cd1 Rob Clark 2013-06-26 588 ret = kms->funcs->hw_init(kms); c8afe684c95cd1 Rob Clark 2013-06-26 589 if (ret) { 6a41da17e87dee Mamta Shukla 2018-10-20 590 DRM_DEV_ERROR(dev, "kms hw init failed: %d\n", ret); 77050c3febb180 Jeykumar Sankaran 2018-06-27 591 goto err_msm_uninit; c8afe684c95cd1 Rob Clark 2013-06-26 592 } c8afe684c95cd1 Rob Clark 2013-06-26 593 } c8afe684c95cd1 Rob Clark 2013-06-26 594 2b669875332fbd Archit Taneja 2016-05-02 595 ddev->mode_config.funcs = &mode_config_funcs; d14659f5de7d28 Sean Paul 2018-02-28 596 ddev->mode_config.helper_private = &mode_config_helper_funcs; c8afe684c95cd1 Rob Clark 2013-06-26 597 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 598 for (i = 0; i < priv->num_crtcs; i++) { 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 599 /* initialize event thread */ 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 600 priv->event_thread[i].crtc_id = priv->crtcs[i]->base.id; 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 601 priv->event_thread[i].dev = ddev; 1041dee2178ffd Bernard 2020-07-21 602 priv->event_thread[i].worker = kthread_create_worker(0, 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 603 "crtc_event:%d", priv->event_thread[i].crtc_id); 1041dee2178ffd Bernard 2020-07-21 604 if (IS_ERR(priv->event_thread[i].worker)) { a1c9b1e3bdd6d8 Zhen Lei 2021-05-08 605 ret = PTR_ERR(priv->event_thread[i].worker); 4971f090aa7f6c Linus Torvalds 2018-12-25 606 DRM_DEV_ERROR(dev, "failed to create crtc_event kthread\n"); bfddcfe155a2fe Wei Li 2021-07-05 607 ret = PTR_ERR(priv->event_thread[i].worker); 7f9743abaa79d3 Jeykumar Sankaran 2018-10-10 608 goto err_msm_uninit; 7f9743abaa79d3 Jeykumar Sankaran 2018-10-10 609 } 7f9743abaa79d3 Jeykumar Sankaran 2018-10-10 610 6d2b84a4e5b954 Linus Torvalds 2020-08-06 611 sched_set_fifo(priv->event_thread[i].worker->task); 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 612 } 25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 613 2b669875332fbd Archit Taneja 2016-05-02 614 ret = drm_vblank_init(ddev, priv->num_crtcs); c8afe684c95cd1 Rob Clark 2013-06-26 615 if (ret < 0) { 6a41da17e87dee Mamta Shukla 2018-10-20 616 DRM_DEV_ERROR(dev, "failed to initialize vblank\n"); 77050c3febb180 Jeykumar Sankaran 2018-06-27 617 goto err_msm_uninit; c8afe684c95cd1 Rob Clark 2013-06-26 618 } c8afe684c95cd1 Rob Clark 2013-06-26 619 a2b3a5571f386e Archit Taneja 2016-05-18 620 if (kms) { 2b669875332fbd Archit Taneja 2016-05-02 621 pm_runtime_get_sync(dev); f026e431cf8611 Thomas Zimmermann 2021-08-03 622 ret = msm_irq_install(ddev, kms->irq); 2b669875332fbd Archit Taneja 2016-05-02 623 pm_runtime_put_sync(dev); c8afe684c95cd1 Rob Clark 2013-06-26 624 if (ret < 0) { 6a41da17e87dee Mamta Shukla 2018-10-20 625 DRM_DEV_ERROR(dev, "failed to install IRQ handler\n"); 77050c3febb180 Jeykumar Sankaran 2018-06-27 626 goto err_msm_uninit; c8afe684c95cd1 Rob Clark 2013-06-26 627 } a2b3a5571f386e Archit Taneja 2016-05-18 628 } c8afe684c95cd1 Rob Clark 2013-06-26 629 2b669875332fbd Archit Taneja 2016-05-02 630 ret = drm_dev_register(ddev, 0); 2b669875332fbd Archit Taneja 2016-05-02 631 if (ret) 77050c3febb180 Jeykumar Sankaran 2018-06-27 632 goto err_msm_uninit; 2b669875332fbd Archit Taneja 2016-05-02 633 6a7e0b0e9fb839 Fabio Estevam 2021-09-14 634 if (kms) { 98659487b845c0 Abhinav Kumar 2021-04-16 635 ret = msm_disp_snapshot_init(ddev); 98659487b845c0 Abhinav Kumar 2021-04-16 636 if (ret) 98659487b845c0 Abhinav Kumar 2021-04-16 637 DRM_DEV_ERROR(dev, "msm_disp_snapshot_init failed ret = %d\n", ret); 6a7e0b0e9fb839 Fabio Estevam 2021-09-14 638 } 2b669875332fbd Archit Taneja 2016-05-02 639 drm_mode_config_reset(ddev); cf3a7e4ce08e68 Rob Clark 2014-11-08 640
:::::: The code at line 513 was first introduced by commit :::::: bc3220be22577e199452edbb6a24a980a4ab5c73 drm/msm/mdp5: subclass msm_mdss for mdp5
:::::: TO: Rajesh Yadav <ryadav@codeaurora.org> :::::: CC: Sean Paul <seanpaul@chromium.org>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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