static int i915_load_modeset_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int ret; ret = intel_parse_bios(dev); if (ret) DRM_INFO("failed to find VBIOS tables\n"); /* If we have > 1 VGA cards, then we need to arbitrate access * to the common VGA resources. * * If we are a secondary display controller (!PCI_DISPLAY_CLASS_VGA), * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); if (ret && ret != -ENODEV) goto out; intel_register_dsm_handler(); ret = vga_switcheroo_register_client(dev->pdev, &i915_switcheroo_ops, false); if (ret) goto cleanup_vga_client; /* Initialise stolen first so that we may reserve preallocated * objects for the BIOS to KMS transition. */ ret = i915_gem_init_stolen(dev); if (ret) goto cleanup_vga_switcheroo; intel_power_domains_init_hw(dev_priv); ret = intel_irq_install(dev_priv); if (ret) goto cleanup_gem_stolen; /* Important: The output setup functions called by modeset_init need * working irqs for e.g. gmbus and dp aux transfers. */ intel_modeset_init(dev); ret = i915_gem_init(dev); if (ret) goto cleanup_irq; intel_modeset_gem_init(dev); /* Always safe in the mode setting case. */ /* FIXME: do pre/post-mode set stuff in core KMS code */ dev->vblank_disable_allowed = true; if (INTEL_INFO(dev)->num_pipes == 0) return 0; ret = intel_fbdev_init(dev); if (ret) goto cleanup_gem; /* Only enable hotplug handling once the fbdev is fully set up. */ intel_hpd_init(dev_priv); /* * Some ports require correctly set-up hpd registers for detection to * work properly (leading to ghost connected connector status), e.g. VGA * on gm45. Hence we can only set up the initial fbdev config after hpd * irqs are fully enabled. Now we should scan for the initial config * only once hotplug handling is enabled, but due to screwed-up locking * around kms/fbdev init we can't protect the fdbev initial config * scanning against hotplug events. Hence do this first and ignore the * tiny window where we will loose hotplug notifactions. */ async_schedule(intel_fbdev_initial_config, dev_priv); drm_kms_helper_poll_init(dev); return 0; cleanup_gem: mutex_lock(&dev->struct_mutex); i915_gem_cleanup_ringbuffer(dev); i915_gem_context_fini(dev); mutex_unlock(&dev->struct_mutex); cleanup_irq: drm_irq_uninstall(dev); cleanup_gem_stolen: i915_gem_cleanup_stolen(dev); cleanup_vga_switcheroo: vga_switcheroo_unregister_client(dev->pdev); cleanup_vga_client: vga_client_register(dev->pdev, NULL, NULL, NULL); out: return ret; }
int i915_driver_unload(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int ret; ret = i915_gem_suspend(dev); if (ret) { DRM_ERROR("failed to idle hardware: %d\n", ret); return ret; } intel_power_domains_fini(dev_priv); intel_gpu_ips_teardown(); i915_teardown_sysfs(dev); WARN_ON(unregister_oom_notifier(&dev_priv->mm.oom_notifier)); unregister_shrinker(&dev_priv->mm.shrinker); io_mapping_free(dev_priv->gtt.mappable); arch_phys_wc_del(dev_priv->gtt.mtrr); acpi_video_unregister(); if (drm_core_check_feature(dev, DRIVER_MODESET)) intel_fbdev_fini(dev); drm_vblank_cleanup(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) { intel_modeset_cleanup(dev); /* * free the memory space allocated for the child device * config parsed from VBT */ if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) { kfree(dev_priv->vbt.child_dev); dev_priv->vbt.child_dev = NULL; dev_priv->vbt.child_dev_num = 0; } vga_switcheroo_unregister_client(dev->pdev); vga_client_register(dev->pdev, NULL, NULL, NULL); } /* Free error state after interrupts are fully disabled. */ del_timer_sync(&dev_priv->gpu_error.hangcheck_timer); cancel_work_sync(&dev_priv->gpu_error.work); i915_destroy_error_state(dev); if (dev->pdev->msi_enabled) pci_disable_msi(dev->pdev); intel_opregion_fini(dev); if (drm_core_check_feature(dev, DRIVER_MODESET)) { /* Flush any outstanding unpin_work. */ flush_workqueue(dev_priv->wq); mutex_lock(&dev->struct_mutex); i915_gem_cleanup_ringbuffer(dev); i915_gem_context_fini(dev); mutex_unlock(&dev->struct_mutex); i915_gem_cleanup_stolen(dev); } intel_teardown_gmbus(dev); intel_teardown_mchbar(dev); destroy_workqueue(dev_priv->dp_wq); destroy_workqueue(dev_priv->wq); pm_qos_remove_request(&dev_priv->pm_qos); i915_global_gtt_cleanup(dev); intel_uncore_fini(dev); if (dev_priv->regs != NULL) pci_iounmap(dev->pdev, dev_priv->regs); if (dev_priv->slab) kmem_cache_destroy(dev_priv->slab); pci_dev_put(dev_priv->bridge_dev); kfree(dev_priv); return 0; }
int i915_load_modeset_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; int ret; ret = intel_parse_bios(dev); if (ret) DRM_INFO("failed to find VBIOS tables\n"); #if 0 intel_register_dsm_handler(); #endif /* IIR "flip pending" bit means done if this bit is set */ if (IS_GEN3(dev) && (I915_READ(ECOSKPD) & ECO_FLIP_DONE)) dev_priv->flip_pending_is_done = true; #ifdef notyet ret = vga_switcheroo_register_client(dev->pdev, &i915_switcheroo_ops); if (ret) goto cleanup_vga_client; /* Initialise stolen first so that we may reserve preallocated * objects for the BIOS to KMS transition. */ ret = i915_gem_init_stolen(dev); if (ret) goto cleanup_vga_switcheroo; #endif intel_modeset_init(dev); ret = i915_gem_init(dev); if (ret) goto cleanup_gem_stolen; intel_modeset_gem_init(dev); ret = drm_irq_install(dev); if (ret) goto cleanup_gem; /* Always safe in the mode setting case. */ /* FIXME: do pre/post-mode set stuff in core KMS code */ dev->vblank_disable_allowed = 1; ret = intel_fbdev_init(dev); if (ret) goto cleanup_irq; drm_kms_helper_poll_init(dev); /* We're off and running w/KMS */ dev_priv->mm.suspended = 0; return (0); cleanup_irq: drm_irq_uninstall(dev); cleanup_gem: DRM_LOCK(); i915_gem_cleanup_ringbuffer(dev); DRM_UNLOCK(); i915_gem_cleanup_aliasing_ppgtt(dev); cleanup_gem_stolen: #ifdef notyet i915_gem_cleanup_stolen(dev); #endif return (ret); }