tree: git://anongit.freedesktop.org/drm/drm-intel drm-intel-next-queued head: 1629224324b6cab6f7f96e839c9b57b74cfd8349 commit: 1629224324b6cab6f7f96e839c9b57b74cfd8349 [1/1] drm/i915/lmem: add the fake lmem region config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-14) 7.4.0 reproduce: git checkout 1629224324b6cab6f7f96e839c9b57b74cfd8349 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/gpu/drm/i915/i915_drv.c: In function 'i915_driver_probe': if (INTEL_GEN(dev_priv) >= 9 && i915_selftest.live < 0 && ^~~~~~~~~~~~~ drivers/gpu/drm/i915/i915_drv.c:1491:35: note: each undeclared identifier is reported only once for each function it appears in vim +/i915_selftest +1491 drivers/gpu/drm/i915/i915_drv.c 1459 1460 /** 1461 * i915_driver_probe - setup chip and create an initial config 1462 * @pdev: PCI device 1463 * @ent: matching PCI ID entry 1464 * 1465 * The driver probe routine has to do several things: 1466 * - drive output discovery via intel_modeset_init() 1467 * - initialize the memory manager 1468 * - allocate initial config memory 1469 * - setup the DRM framebuffer with the allocated memory 1470 */ 1471 int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 1472 { 1473 const struct intel_device_info *match_info = 1474 (struct intel_device_info *)ent->driver_data; 1475 struct drm_i915_private *dev_priv; 1476 int ret; 1477 1478 dev_priv = i915_driver_create(pdev, ent); 1479 if (IS_ERR(dev_priv)) 1480 return PTR_ERR(dev_priv); 1481 1482 /* Disable nuclear pageflip by default on pre-ILK */ 1483 if (!i915_modparams.nuclear_pageflip && match_info->gen < 5) 1484 dev_priv->drm.driver_features &= ~DRIVER_ATOMIC; 1485 1486 /* 1487 * Check if we support fake LMEM -- for now we only unleash this for 1488 * the live selftests(test-and-exit). 1489 */ 1490 if (IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM)) { 1492 i915_modparams.fake_lmem_start) { 1493 mkwrite_device_info(dev_priv)->memory_regions = 1494 REGION_SMEM | REGION_LMEM | REGION_STOLEN; 1495 mkwrite_device_info(dev_priv)->is_dgfx = true; 1496 GEM_BUG_ON(!HAS_LMEM(dev_priv)); 1497 GEM_BUG_ON(!IS_DGFX(dev_priv)); 1498 } 1499 } 1500 1501 ret = pci_enable_device(pdev); 1502 if (ret) 1503 goto out_fini; 1504 1505 ret = i915_driver_early_probe(dev_priv); 1506 if (ret < 0) 1507 goto out_pci_disable; 1508 1509 disable_rpm_wakeref_asserts(&dev_priv->runtime_pm); 1510 1511 i915_detect_vgpu(dev_priv); 1512 1513 ret = i915_driver_mmio_probe(dev_priv); 1514 if (ret < 0) 1515 goto out_runtime_pm_put; 1516 1517 ret = i915_driver_hw_probe(dev_priv); 1518 if (ret < 0) 1519 goto out_cleanup_mmio; 1520 1521 ret = i915_driver_modeset_probe(dev_priv); 1522 if (ret < 0) 1523 goto out_cleanup_hw; 1524 1525 i915_driver_register(dev_priv); 1526 1527 enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); 1528 1529 i915_welcome_messages(dev_priv); 1530 1531 return 0; 1532 1533 out_cleanup_hw: 1534 i915_driver_hw_remove(dev_priv); 1535 intel_memory_regions_driver_release(dev_priv); 1536 i915_ggtt_driver_release(dev_priv); 1537 out_cleanup_mmio: 1538 i915_driver_mmio_release(dev_priv); 1539 out_runtime_pm_put: 1540 enable_rpm_wakeref_asserts(&dev_priv->runtime_pm); 1541 i915_driver_late_release(dev_priv); 1542 out_pci_disable: 1543 pci_disable_device(pdev); 1544 out_fini: 1545 i915_probe_error(dev_priv, "Device initialization failed (%d)\n", ret); 1546 i915_driver_destroy(dev_priv); 1547 return ret; 1548 } 1549 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation