31 #include <linux/pci.h>
42 static int virtio_gpu_modeset = -1;
49 	struct pci_dev *pdev = to_pci_dev(vdev->dev.parent);  in virtio_gpu_pci_quirk()
50 	const char *pname = dev_name(&pdev->dev);  in virtio_gpu_pci_quirk()
51 	bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA;  in virtio_gpu_pci_quirk()
54 	DRM_INFO("pci: %s detected at %s\n",  in virtio_gpu_pci_quirk()
55 		 vga ? "virtio-vga" : "virtio-gpu-pci",  in virtio_gpu_pci_quirk()
57 	dev->pdev = pdev;  in virtio_gpu_pci_quirk()
64 	 * The following comment covers, why virtio cannot rely on it.  in virtio_gpu_pci_quirk()
66 	 * Unlike the other virtual GPU drivers, virtio abstracts the  in virtio_gpu_pci_quirk()
71 	 * while a "pci:..." one is required.  in virtio_gpu_pci_quirk()
74 	 * - Extend the dev_is_pci() check [in drm_set_busid] to  in virtio_gpu_pci_quirk()
75 	 *   consider virtio.  in virtio_gpu_pci_quirk()
78 	 * - Point drm_device::dev to the parent of the virtio_device  in virtio_gpu_pci_quirk()
89 	 * So for the moment keep things as-is, with a bulky comment  in virtio_gpu_pci_quirk()
93 	snprintf(unique, sizeof(unique), "pci:%s", pname);  in virtio_gpu_pci_quirk()
102 	if (vgacon_text_force() && virtio_gpu_modeset == -1)  in virtio_gpu_probe()
103 		return -EINVAL;  in virtio_gpu_probe()
106 		return -EINVAL;  in virtio_gpu_probe()
108 	dev = drm_dev_alloc(&driver, &vdev->dev);  in virtio_gpu_probe()
111 	vdev->priv = dev;  in virtio_gpu_probe()
113 	if (!strcmp(vdev->dev.parent->bus->name, "pci")) {  in virtio_gpu_probe()
127 	drm_fbdev_generic_setup(vdev->priv, 32);  in virtio_gpu_probe()
137 	struct drm_device *dev = vdev->priv;  in virtio_gpu_remove()
147 	struct drm_device *dev = vdev->priv;  in virtio_gpu_config_changed()
148 	struct virtio_gpu_device *vgdev = dev->dev_private;  in virtio_gpu_config_changed()
150 	schedule_work(&vgdev->config_changed_work);  in virtio_gpu_config_changed()
183 MODULE_DEVICE_TABLE(virtio, id_table);
184 MODULE_DESCRIPTION("Virtio GPU driver");