tree: git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next head: 4cab470e01108ad0a7a74c6a30d83e7e8e60aa9e commit: 4cab470e01108ad0a7a74c6a30d83e7e8e60aa9e [3/3] drm/amdgpu/amdkfd: clean up mmhub and gfxhub includes config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 4cab470e01108ad0a7a74c6a30d83e7e8e60aa9e # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> drivers/staging/vboxvideo/vbox_ttm.c:204:9: error: undefined identifier 'vbox_ttm_global_release' drivers/staging/vboxvideo/vbox_ttm.c:218:9: error: undefined identifier 'vbox_ttm_global_release' In file included from drivers/staging/vboxvideo/vbox_ttm.c:30:0: drivers/staging/vboxvideo/vbox_drv.h:98:28: error: field 'bo_global_ref' has incomplete type struct ttm_bo_global_ref bo_global_ref; ^~~~~~~~~~~~~ drivers/staging/vboxvideo/vbox_ttm.c: In function 'vbox_mm_init': drivers/staging/vboxvideo/vbox_ttm.c:204:2: error: implicit declaration of function 'vbox_ttm_global_release'; did you mean 'ttm_mem_global_release'? [-Werror=implicit-function-declaration] vbox_ttm_global_release(vbox); ^~~~~~~~~~~~~~~~~~~~~~~ ttm_mem_global_release cc1: some warnings being treated as errors -- >> drivers/gpu/drm/v3d/v3d_sched.c:221:29: error: too many arguments for function drm_sched_init drivers/gpu/drm/v3d/v3d_sched.c: In function 'v3d_sched_init': drivers/gpu/drm/v3d/v3d_sched.c:221:8: error: too many arguments to function 'drm_sched_init' ret = drm_sched_init(&v3d->queue[V3D_RENDER].sched, ^~~~~~~~~~~~~~ In file included from drivers/gpu/drm/v3d/v3d_drv.h:9:0, from drivers/gpu/drm/v3d/v3d_sched.c:23: include/drm/gpu_scheduler.h:290:5: note: declared here int drm_sched_init(struct drm_gpu_scheduler *sched, ^~~~~~~~~~~~~~ vim +/vbox_ttm_global_release +204 drivers/staging/vboxvideo/vbox_ttm.c dd55d44f Hans de Goede 2017-07-06 168 dd55d44f Hans de Goede 2017-07-06 169 int vbox_mm_init(struct vbox_private *vbox) dd55d44f Hans de Goede 2017-07-06 170 { dd55d44f Hans de Goede 2017-07-06 171 int ret; dd55d44f Hans de Goede 2017-07-06 172 struct drm_device *dev = vbox->dev; dd55d44f Hans de Goede 2017-07-06 173 struct ttm_bo_device *bdev = &vbox->ttm.bdev; dd55d44f Hans de Goede 2017-07-06 174 dd55d44f Hans de Goede 2017-07-06 175 ret = ttm_bo_device_init(&vbox->ttm.bdev, dd55d44f Hans de Goede 2017-07-06 176 &vbox_bo_driver, dd55d44f Hans de Goede 2017-07-06 177 dev->anon_inode->i_mapping, dd55d44f Hans de Goede 2017-07-06 178 DRM_FILE_PAGE_OFFSET, true); dd55d44f Hans de Goede 2017-07-06 179 if (ret) { dd55d44f Hans de Goede 2017-07-06 180 DRM_ERROR("Error initialising bo driver; %d\n", ret); dd55d44f Hans de Goede 2017-07-06 181 goto err_ttm_global_release; dd55d44f Hans de Goede 2017-07-06 182 } dd55d44f Hans de Goede 2017-07-06 183 dd55d44f Hans de Goede 2017-07-06 184 ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM, dd55d44f Hans de Goede 2017-07-06 185 vbox->available_vram_size >> PAGE_SHIFT); dd55d44f Hans de Goede 2017-07-06 186 if (ret) { dd55d44f Hans de Goede 2017-07-06 187 DRM_ERROR("Failed ttm VRAM init: %d\n", ret); dd55d44f Hans de Goede 2017-07-06 188 goto err_device_release; dd55d44f Hans de Goede 2017-07-06 189 } dd55d44f Hans de Goede 2017-07-06 190 dd55d44f Hans de Goede 2017-07-06 191 #ifdef DRM_MTRR_WC dd55d44f Hans de Goede 2017-07-06 192 vbox->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 0), dd55d44f Hans de Goede 2017-07-06 193 pci_resource_len(dev->pdev, 0), dd55d44f Hans de Goede 2017-07-06 194 DRM_MTRR_WC); dd55d44f Hans de Goede 2017-07-06 195 #else dd55d44f Hans de Goede 2017-07-06 196 vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0), dd55d44f Hans de Goede 2017-07-06 197 pci_resource_len(dev->pdev, 0)); dd55d44f Hans de Goede 2017-07-06 198 #endif dd55d44f Hans de Goede 2017-07-06 199 return 0; dd55d44f Hans de Goede 2017-07-06 200 dd55d44f Hans de Goede 2017-07-06 201 err_device_release: dd55d44f Hans de Goede 2017-07-06 202 ttm_bo_device_release(&vbox->ttm.bdev); dd55d44f Hans de Goede 2017-07-06 203 err_ttm_global_release: dd55d44f Hans de Goede 2017-07-06 @204 vbox_ttm_global_release(vbox); dd55d44f Hans de Goede 2017-07-06 205 return ret; dd55d44f Hans de Goede 2017-07-06 206 } dd55d44f Hans de Goede 2017-07-06 207 :::::: The code at line 204 was first introduced by commit :::::: dd55d44f408419278c00887bfcb2261d0caae350 staging: vboxvideo: Add vboxvideo to drivers/staging :::::: TO: Hans de Goede :::::: CC: Greg Kroah-Hartman --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation