31 #include <linux/pci.h>
43 static int virtio_gpu_modeset = -1;
50 	struct pci_dev *pdev = to_pci_dev(vdev->dev.parent);  in virtio_gpu_pci_quirk()
51 	const char *pname = dev_name(&pdev->dev);  in virtio_gpu_pci_quirk()
52 	bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA;  in virtio_gpu_pci_quirk()
56 	DRM_INFO("pci: %s detected at %s\n",  in virtio_gpu_pci_quirk()
57 		 vga ? "virtio-vga" : "virtio-gpu-pci",  in virtio_gpu_pci_quirk()
67 	 * The following comment covers, why virtio cannot rely on it.  in virtio_gpu_pci_quirk()
69 	 * Unlike the other virtual GPU drivers, virtio abstracts the  in virtio_gpu_pci_quirk()
74 	 * while a "pci:..." one is required.  in virtio_gpu_pci_quirk()
77 	 * - Extend the dev_is_pci() check [in drm_set_busid] to  in virtio_gpu_pci_quirk()
78 	 *   consider virtio.  in virtio_gpu_pci_quirk()
81 	 * - Point drm_device::dev to the parent of the virtio_device  in virtio_gpu_pci_quirk()
92 	 * So for the moment keep things as-is, with a bulky comment  in virtio_gpu_pci_quirk()
96 	snprintf(unique, sizeof(unique), "pci:%s", pname);  in virtio_gpu_pci_quirk()
105 	if (vgacon_text_force() && virtio_gpu_modeset == -1)  in virtio_gpu_probe()
106 		return -EINVAL;  in virtio_gpu_probe()
109 		return -EINVAL;  in virtio_gpu_probe()
111 	dev = drm_dev_alloc(&driver, &vdev->dev);  in virtio_gpu_probe()
114 	vdev->priv = dev;  in virtio_gpu_probe()
116 	if (!strcmp(vdev->dev.parent->bus->name, "pci")) {  in virtio_gpu_probe()
130 	drm_fbdev_generic_setup(vdev->priv, 32);  in virtio_gpu_probe()
142 	struct drm_device *dev = vdev->priv;  in virtio_gpu_remove()
152 	struct drm_device *dev = vdev->priv;  in virtio_gpu_config_changed()
153 	struct virtio_gpu_device *vgdev = dev->dev_private;  in virtio_gpu_config_changed()
155 	schedule_work(&vgdev->config_changed_work);  in virtio_gpu_config_changed()
189 MODULE_DEVICE_TABLE(virtio, id_table);
190 MODULE_DESCRIPTION("Virtio GPU driver");