Hi Thomas, I love your patch! Yet something to improve: [auto build test ERROR on drm-tip/drm-tip] [cannot apply to drm-intel/for-linux-next linus/master v5.11-rc2 next-20210104] [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] url: https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Move-struct-drm_device-pdev-to-legacy/20210107-161007 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip config: microblaze-randconfig-r013-20210107 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/380912f7b62c23322562c40e19efd7ad84d57e9c git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Thomas-Zimmermann/drm-Move-struct-drm_device-pdev-to-legacy/20210107-161007 git checkout 380912f7b62c23322562c40e19efd7ad84d57e9c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/virtio/virtgpu_drv.c: In function 'virtio_gpu_pci_quirk': >> drivers/gpu/drm/virtio/virtgpu_drv.c:57:7: error: 'struct drm_device' has no member named 'pdev'; did you mean 'dev'? 57 | dev->pdev = pdev; | ^~~~ | dev vim +57 drivers/gpu/drm/virtio/virtgpu_drv.c dc5698e80cf724 Dave Airlie 2013-09-09 46 d516e75c71c985 Ezequiel Garcia 2019-01-08 47 static int virtio_gpu_pci_quirk(struct drm_device *dev, struct virtio_device *vdev) d516e75c71c985 Ezequiel Garcia 2019-01-08 48 { d516e75c71c985 Ezequiel Garcia 2019-01-08 49 struct pci_dev *pdev = to_pci_dev(vdev->dev.parent); d516e75c71c985 Ezequiel Garcia 2019-01-08 50 const char *pname = dev_name(&pdev->dev); d516e75c71c985 Ezequiel Garcia 2019-01-08 51 bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA; d516e75c71c985 Ezequiel Garcia 2019-01-08 52 char unique[20]; d516e75c71c985 Ezequiel Garcia 2019-01-08 53 d516e75c71c985 Ezequiel Garcia 2019-01-08 54 DRM_INFO("pci: %s detected at %s\n", d516e75c71c985 Ezequiel Garcia 2019-01-08 55 vga ? "virtio-vga" : "virtio-gpu-pci", d516e75c71c985 Ezequiel Garcia 2019-01-08 56 pname); d516e75c71c985 Ezequiel Garcia 2019-01-08 @57 dev->pdev = pdev; d516e75c71c985 Ezequiel Garcia 2019-01-08 58 if (vga) d516e75c71c985 Ezequiel Garcia 2019-01-08 59 drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, d516e75c71c985 Ezequiel Garcia 2019-01-08 60 "virtiodrmfb"); d516e75c71c985 Ezequiel Garcia 2019-01-08 61 d516e75c71c985 Ezequiel Garcia 2019-01-08 62 /* d516e75c71c985 Ezequiel Garcia 2019-01-08 63 * Normally the drm_dev_set_unique() call is done by core DRM. d516e75c71c985 Ezequiel Garcia 2019-01-08 64 * The following comment covers, why virtio cannot rely on it. d516e75c71c985 Ezequiel Garcia 2019-01-08 65 * d516e75c71c985 Ezequiel Garcia 2019-01-08 66 * Unlike the other virtual GPU drivers, virtio abstracts the d516e75c71c985 Ezequiel Garcia 2019-01-08 67 * underlying bus type by using struct virtio_device. d516e75c71c985 Ezequiel Garcia 2019-01-08 68 * d516e75c71c985 Ezequiel Garcia 2019-01-08 69 * Hence the dev_is_pci() check, used in core DRM, will fail d516e75c71c985 Ezequiel Garcia 2019-01-08 70 * and the unique returned will be the virtio_device "virtio0", d516e75c71c985 Ezequiel Garcia 2019-01-08 71 * while a "pci:..." one is required. d516e75c71c985 Ezequiel Garcia 2019-01-08 72 * d516e75c71c985 Ezequiel Garcia 2019-01-08 73 * A few other ideas were considered: d516e75c71c985 Ezequiel Garcia 2019-01-08 74 * - Extend the dev_is_pci() check [in drm_set_busid] to d516e75c71c985 Ezequiel Garcia 2019-01-08 75 * consider virtio. d516e75c71c985 Ezequiel Garcia 2019-01-08 76 * Seems like a bigger hack than what we have already. d516e75c71c985 Ezequiel Garcia 2019-01-08 77 * d516e75c71c985 Ezequiel Garcia 2019-01-08 78 * - Point drm_device::dev to the parent of the virtio_device d516e75c71c985 Ezequiel Garcia 2019-01-08 79 * Semantic changes: d516e75c71c985 Ezequiel Garcia 2019-01-08 80 * * Using the wrong device for i2c, framebuffer_alloc and d516e75c71c985 Ezequiel Garcia 2019-01-08 81 * prime import. d516e75c71c985 Ezequiel Garcia 2019-01-08 82 * Visual changes: d516e75c71c985 Ezequiel Garcia 2019-01-08 83 * * Helpers such as DRM_DEV_ERROR, dev_info, drm_printer, d516e75c71c985 Ezequiel Garcia 2019-01-08 84 * will print the wrong information. d516e75c71c985 Ezequiel Garcia 2019-01-08 85 * d516e75c71c985 Ezequiel Garcia 2019-01-08 86 * We could address the latter issues, by introducing d516e75c71c985 Ezequiel Garcia 2019-01-08 87 * drm_device::bus_dev, ... which would be used solely for this. d516e75c71c985 Ezequiel Garcia 2019-01-08 88 * d516e75c71c985 Ezequiel Garcia 2019-01-08 89 * So for the moment keep things as-is, with a bulky comment d516e75c71c985 Ezequiel Garcia 2019-01-08 90 * for the next person who feels like removing this d516e75c71c985 Ezequiel Garcia 2019-01-08 91 * drm_dev_set_unique() quirk. d516e75c71c985 Ezequiel Garcia 2019-01-08 92 */ d516e75c71c985 Ezequiel Garcia 2019-01-08 93 snprintf(unique, sizeof(unique), "pci:%s", pname); d516e75c71c985 Ezequiel Garcia 2019-01-08 94 return drm_dev_set_unique(dev, unique); d516e75c71c985 Ezequiel Garcia 2019-01-08 95 } d516e75c71c985 Ezequiel Garcia 2019-01-08 96 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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