[PATCH 3/8] drm/vmwgfx: Switch to a managed drm device

kernel test robot lkp at intel.com
Wed Dec 2 00:46:15 UTC 2020


Hi Zack,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on tegra-drm/drm/tegra/for-next linus/master v5.10-rc6]
[cannot apply to drm-exynos/exynos-drm-next drm-tip/drm-tip drm/drm-next next-20201201]
[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/Zack-Rusin/drm-vmwgfx-add-Zack-Rusin-as-maintainer/20201202-043705
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/29587b40449b0290424fbb9083dc47b1869ef7d5
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zack-Rusin/drm-vmwgfx-add-Zack-Rusin-as-maintainer/20201202-043705
        git checkout 29587b40449b0290424fbb9083dc47b1869ef7d5
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   drivers/gpu/drm/vmwgfx/vmwgfx_drv.c: In function 'vmw_driver_load':
>> drivers/gpu/drm/vmwgfx/vmwgfx_drv.c:794:36: error: invalid type argument of '->' (have 'struct drm_device')
     794 |  dma_set_max_seg_size(dev_priv->drm->dev, min_t(unsigned int, U32_MAX & PAGE_MASK,
         |                                    ^~
>> drivers/gpu/drm/vmwgfx/vmwgfx_drv.c:866:6: error: 'dev' undeclared (first use in this function); did you mean 'cdev'?
     866 |      dev->anon_inode->i_mapping,
         |      ^~~
         |      cdev
   drivers/gpu/drm/vmwgfx/vmwgfx_drv.c:866:6: note: each undeclared identifier is reported only once for each function it appears in
--
   drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c: In function 'vmw_ttm_populate':
>> drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:595:54: error: 'struct vmw_private' has no member named 'dev'; did you mean 'bdev'?
     595 |   ret = ttm_dma_populate(&vmw_tt->dma_ttm, dev_priv->dev->dev,
         |                                                      ^~~
         |                                                      bdev
   drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c: In function 'vmw_ttm_unpopulate':
   drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c:624:50: error: 'struct vmw_private' has no member named 'dev'; did you mean 'bdev'?
     624 |   ttm_dma_unpopulate(&vmw_tt->dma_ttm, dev_priv->dev->dev);
         |                                                  ^~~
         |                                                  bdev

vim +794 drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

   651	
   652	static int vmw_driver_load(struct vmw_private *dev_priv, unsigned long chipset)
   653	{
   654		int ret;
   655		uint32_t svga_id;
   656		enum vmw_res_type i;
   657		bool refuse_dma = false;
   658		char host_log[100] = {0};
   659	
   660		pci_set_master(dev_priv->drm.pdev);
   661	
   662		dev_priv->vmw_chipset = chipset;
   663		dev_priv->last_read_seqno = (uint32_t) -100;
   664		mutex_init(&dev_priv->cmdbuf_mutex);
   665		mutex_init(&dev_priv->release_mutex);
   666		mutex_init(&dev_priv->binding_mutex);
   667		mutex_init(&dev_priv->global_kms_state_mutex);
   668		ttm_lock_init(&dev_priv->reservation_sem);
   669		spin_lock_init(&dev_priv->resource_lock);
   670		spin_lock_init(&dev_priv->hw_lock);
   671		spin_lock_init(&dev_priv->waiter_lock);
   672		spin_lock_init(&dev_priv->cap_lock);
   673		spin_lock_init(&dev_priv->svga_lock);
   674		spin_lock_init(&dev_priv->cursor_lock);
   675	
   676		for (i = vmw_res_context; i < vmw_res_max; ++i) {
   677			idr_init(&dev_priv->res_idr[i]);
   678			INIT_LIST_HEAD(&dev_priv->res_lru[i]);
   679		}
   680	
   681		init_waitqueue_head(&dev_priv->fence_queue);
   682		init_waitqueue_head(&dev_priv->fifo_queue);
   683		dev_priv->fence_queue_waiters = 0;
   684		dev_priv->fifo_queue_waiters = 0;
   685	
   686		dev_priv->used_memory_size = 0;
   687	
   688		dev_priv->io_start = pci_resource_start(dev_priv->drm.pdev, 0);
   689		dev_priv->vram_start = pci_resource_start(dev_priv->drm.pdev, 1);
   690		dev_priv->mmio_start = pci_resource_start(dev_priv->drm.pdev, 2);
   691	
   692		dev_priv->assume_16bpp = !!vmw_assume_16bpp;
   693	
   694		dev_priv->enable_fb = enable_fbdev;
   695	
   696		vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
   697		svga_id = vmw_read(dev_priv, SVGA_REG_ID);
   698		if (svga_id != SVGA_ID_2) {
   699			ret = -ENOSYS;
   700			DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id);
   701			goto out_err0;
   702		}
   703	
   704		dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
   705	
   706		if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER) {
   707			dev_priv->capabilities2 = vmw_read(dev_priv, SVGA_REG_CAP2);
   708		}
   709	
   710	
   711		ret = vmw_dma_select_mode(dev_priv);
   712		if (unlikely(ret != 0)) {
   713			DRM_INFO("Restricting capabilities since DMA not available.\n");
   714			refuse_dma = true;
   715			if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS)
   716				DRM_INFO("Disabling 3D acceleration.\n");
   717		}
   718	
   719		dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
   720		dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
   721		dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
   722		dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
   723	
   724		vmw_get_initial_size(dev_priv);
   725	
   726		if (dev_priv->capabilities & SVGA_CAP_GMR2) {
   727			dev_priv->max_gmr_ids =
   728				vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
   729			dev_priv->max_gmr_pages =
   730				vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
   731			dev_priv->memory_size =
   732				vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
   733			dev_priv->memory_size -= dev_priv->vram_size;
   734		} else {
   735			/*
   736			 * An arbitrary limit of 512MiB on surface
   737			 * memory. But all HWV8 hardware supports GMR2.
   738			 */
   739			dev_priv->memory_size = 512*1024*1024;
   740		}
   741		dev_priv->max_mob_pages = 0;
   742		dev_priv->max_mob_size = 0;
   743		if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
   744			uint64_t mem_size;
   745	
   746			if (dev_priv->capabilities2 & SVGA_CAP2_GB_MEMSIZE_2)
   747				mem_size = vmw_read(dev_priv,
   748						    SVGA_REG_GBOBJECT_MEM_SIZE_KB);
   749			else
   750				mem_size =
   751					vmw_read(dev_priv,
   752						 SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
   753	
   754			/*
   755			 * Workaround for low memory 2D VMs to compensate for the
   756			 * allocation taken by fbdev
   757			 */
   758			if (!(dev_priv->capabilities & SVGA_CAP_3D))
   759				mem_size *= 3;
   760	
   761			dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
   762			dev_priv->prim_bb_mem =
   763				vmw_read(dev_priv,
   764					 SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM);
   765			dev_priv->max_mob_size =
   766				vmw_read(dev_priv, SVGA_REG_MOB_MAX_SIZE);
   767			dev_priv->stdu_max_width =
   768				vmw_read(dev_priv, SVGA_REG_SCREENTARGET_MAX_WIDTH);
   769			dev_priv->stdu_max_height =
   770				vmw_read(dev_priv, SVGA_REG_SCREENTARGET_MAX_HEIGHT);
   771	
   772			vmw_write(dev_priv, SVGA_REG_DEV_CAP,
   773				  SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH);
   774			dev_priv->texture_max_width = vmw_read(dev_priv,
   775							       SVGA_REG_DEV_CAP);
   776			vmw_write(dev_priv, SVGA_REG_DEV_CAP,
   777				  SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT);
   778			dev_priv->texture_max_height = vmw_read(dev_priv,
   779								SVGA_REG_DEV_CAP);
   780		} else {
   781			dev_priv->texture_max_width = 8192;
   782			dev_priv->texture_max_height = 8192;
   783			dev_priv->prim_bb_mem = dev_priv->vram_size;
   784		}
   785	
   786		vmw_print_capabilities(dev_priv->capabilities);
   787		if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER)
   788			vmw_print_capabilities2(dev_priv->capabilities2);
   789	
   790		ret = vmw_dma_masks(dev_priv);
   791		if (unlikely(ret != 0))
   792			goto out_err0;
   793	
 > 794		dma_set_max_seg_size(dev_priv->drm->dev, min_t(unsigned int, U32_MAX & PAGE_MASK,
   795							       SCATTERLIST_MAX_SEGMENT));
   796	
   797		if (dev_priv->capabilities & SVGA_CAP_GMR2) {
   798			DRM_INFO("Max GMR ids is %u\n",
   799				 (unsigned)dev_priv->max_gmr_ids);
   800			DRM_INFO("Max number of GMR pages is %u\n",
   801				 (unsigned)dev_priv->max_gmr_pages);
   802			DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
   803				 (unsigned)dev_priv->memory_size / 1024);
   804		}
   805		DRM_INFO("Maximum display memory size is %u kiB\n",
   806			 dev_priv->prim_bb_mem / 1024);
   807		DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
   808			 dev_priv->vram_start, dev_priv->vram_size / 1024);
   809		DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
   810			 dev_priv->mmio_start, dev_priv->mmio_size / 1024);
   811	
   812		dev_priv->mmio_virt = memremap(dev_priv->mmio_start,
   813					       dev_priv->mmio_size, MEMREMAP_WB);
   814	
   815		if (unlikely(dev_priv->mmio_virt == NULL)) {
   816			ret = -ENOMEM;
   817			DRM_ERROR("Failed mapping MMIO.\n");
   818			goto out_err0;
   819		}
   820	
   821		/* Need mmio memory to check for fifo pitchlock cap. */
   822		if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
   823		    !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
   824		    !vmw_fifo_have_pitchlock(dev_priv)) {
   825			ret = -ENOSYS;
   826			DRM_ERROR("Hardware has no pitchlock\n");
   827			goto out_err4;
   828		}
   829	
   830		dev_priv->tdev = ttm_object_device_init(&ttm_mem_glob, 12,
   831							&vmw_prime_dmabuf_ops);
   832	
   833		if (unlikely(dev_priv->tdev == NULL)) {
   834			DRM_ERROR("Unable to initialize TTM object management.\n");
   835			ret = -ENOMEM;
   836			goto out_err4;
   837		}
   838	
   839		dev_priv->drm.dev_private = dev_priv;
   840	
   841		ret = pci_request_regions(dev_priv->drm.pdev, "vmwgfx probe");
   842		if (ret) {
   843			DRM_ERROR("Failed reserving PCI regions.\n");
   844			goto out_no_device;
   845		}
   846	
   847		if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
   848			ret = vmw_irq_install(&dev_priv->drm, dev_priv->drm.pdev->irq);
   849			if (ret != 0) {
   850				DRM_ERROR("Failed installing irq: %d\n", ret);
   851				goto out_no_irq;
   852			}
   853		}
   854	
   855		dev_priv->fman = vmw_fence_manager_init(dev_priv);
   856		if (unlikely(dev_priv->fman == NULL)) {
   857			ret = -ENOMEM;
   858			goto out_no_fman;
   859		}
   860	
   861		drm_vma_offset_manager_init(&dev_priv->vma_manager,
   862					    DRM_FILE_PAGE_OFFSET_START,
   863					    DRM_FILE_PAGE_OFFSET_SIZE);
   864		ret = ttm_bo_device_init(&dev_priv->bdev,
   865					 &vmw_bo_driver,
 > 866					 dev->anon_inode->i_mapping,
   867					 &dev_priv->vma_manager,
   868					 false);
   869		if (unlikely(ret != 0)) {
   870			DRM_ERROR("Failed initializing TTM buffer object driver.\n");
   871			goto out_no_bdev;
   872		}
   873	
   874		/*
   875		 * Enable VRAM, but initially don't use it until SVGA is enabled and
   876		 * unhidden.
   877		 */
   878	
   879		ret = vmw_vram_manager_init(dev_priv);
   880		if (unlikely(ret != 0)) {
   881			DRM_ERROR("Failed initializing memory manager for VRAM.\n");
   882			goto out_no_vram;
   883		}
   884	
   885		/*
   886		 * "Guest Memory Regions" is an aperture like feature with
   887		 *  one slot per bo. There is an upper limit of the number of
   888		 *  slots as well as the bo size.
   889		 */
   890		dev_priv->has_gmr = true;
   891		/* TODO: This is most likely not correct */
   892		if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
   893		    refuse_dma ||
   894		    vmw_gmrid_man_init(dev_priv, VMW_PL_GMR) != 0) {
   895			DRM_INFO("No GMR memory available. "
   896				 "Graphics memory resources are very limited.\n");
   897			dev_priv->has_gmr = false;
   898		}
   899	
   900		if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS && !refuse_dma) {
   901			dev_priv->has_mob = true;
   902	
   903			if (vmw_gmrid_man_init(dev_priv, VMW_PL_MOB) != 0) {
   904				DRM_INFO("No MOB memory available. "
   905					 "3D will be disabled.\n");
   906				dev_priv->has_mob = false;
   907			}
   908		}
   909	
   910		if (dev_priv->has_mob && (dev_priv->capabilities & SVGA_CAP_DX)) {
   911			spin_lock(&dev_priv->cap_lock);
   912			vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_DXCONTEXT);
   913			if (vmw_read(dev_priv, SVGA_REG_DEV_CAP))
   914				dev_priv->sm_type = VMW_SM_4;
   915			spin_unlock(&dev_priv->cap_lock);
   916		}
   917	
   918		vmw_validation_mem_init_ttm(dev_priv, VMWGFX_VALIDATION_MEM_GRAN);
   919	
   920		/* SVGA_CAP2_DX2 (DefineGBSurface_v3) is needed for SM4_1 support */
   921		if (has_sm4_context(dev_priv) &&
   922		    (dev_priv->capabilities2 & SVGA_CAP2_DX2)) {
   923			vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_SM41);
   924	
   925			if (vmw_read(dev_priv, SVGA_REG_DEV_CAP))
   926				dev_priv->sm_type = VMW_SM_4_1;
   927	
   928			if (has_sm4_1_context(dev_priv) &&
   929			    (dev_priv->capabilities2 & SVGA_CAP2_DX3)) {
   930				vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_SM5);
   931				if (vmw_read(dev_priv, SVGA_REG_DEV_CAP))
   932					dev_priv->sm_type = VMW_SM_5;
   933			}
   934		}
   935	
   936		ret = vmw_kms_init(dev_priv);
   937		if (unlikely(ret != 0))
   938			goto out_no_kms;
   939		vmw_overlay_init(dev_priv);
   940	
   941		ret = vmw_request_device(dev_priv);
   942		if (ret)
   943			goto out_no_fifo;
   944	
   945		DRM_INFO("Atomic: %s\n", (dev_priv->drm.driver->driver_features & DRIVER_ATOMIC)
   946			 ? "yes." : "no.");
   947		if (dev_priv->sm_type == VMW_SM_5)
   948			DRM_INFO("SM5 support available.\n");
   949		if (dev_priv->sm_type == VMW_SM_4_1)
   950			DRM_INFO("SM4_1 support available.\n");
   951		if (dev_priv->sm_type == VMW_SM_4)
   952			DRM_INFO("SM4 support available.\n");
   953	
   954		snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
   955			VMWGFX_REPO, VMWGFX_GIT_VERSION);
   956		vmw_host_log(host_log);
   957	
   958		memset(host_log, 0, sizeof(host_log));
   959		snprintf(host_log, sizeof(host_log), "vmwgfx: Module Version: %d.%d.%d",
   960			VMWGFX_DRIVER_MAJOR, VMWGFX_DRIVER_MINOR,
   961			VMWGFX_DRIVER_PATCHLEVEL);
   962		vmw_host_log(host_log);
   963	
   964		if (dev_priv->enable_fb) {
   965			vmw_fifo_resource_inc(dev_priv);
   966			vmw_svga_enable(dev_priv);
   967			vmw_fb_init(dev_priv);
   968		}
   969	
   970		dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
   971		register_pm_notifier(&dev_priv->pm_nb);
   972	
   973		return 0;
   974	
   975	out_no_fifo:
   976		vmw_overlay_close(dev_priv);
   977		vmw_kms_close(dev_priv);
   978	out_no_kms:
   979		if (dev_priv->has_mob)
   980			vmw_gmrid_man_fini(dev_priv, VMW_PL_MOB);
   981		if (dev_priv->has_gmr)
   982			vmw_gmrid_man_fini(dev_priv, VMW_PL_GMR);
   983		vmw_vram_manager_fini(dev_priv);
   984	out_no_vram:
   985		(void)ttm_bo_device_release(&dev_priv->bdev);
   986	out_no_bdev:
   987		vmw_fence_manager_takedown(dev_priv->fman);
   988	out_no_fman:
   989		if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
   990			vmw_irq_uninstall(&dev_priv->drm);
   991	out_no_irq:
   992		pci_release_regions(dev_priv->drm.pdev);
   993	out_no_device:
   994		ttm_object_device_release(&dev_priv->tdev);
   995	out_err4:
   996		memunmap(dev_priv->mmio_virt);
   997	out_err0:
   998		for (i = vmw_res_context; i < vmw_res_max; ++i)
   999			idr_destroy(&dev_priv->res_idr[i]);
  1000	
  1001		if (dev_priv->ctx.staged_bindings)
  1002			vmw_binding_state_free(dev_priv->ctx.staged_bindings);
  1003		kfree(dev_priv);
  1004		return ret;
  1005	}
  1006	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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