drm/virtio/virtgpu_drv.c

31 #include <linux/pci.h>
49 static int virtio_gpu_modeset = -1;
56 	struct pci_dev *pdev = to_pci_dev(dev->dev);  in virtio_gpu_pci_quirk()
57 	const char *pname = dev_name(&pdev->dev);  in virtio_gpu_pci_quirk()
61 	DRM_INFO("pci: %s detected at %s\n",  in virtio_gpu_pci_quirk()
62 		 vga ? "virtio-vga" : "virtio-gpu-pci",  in virtio_gpu_pci_quirk()
78 	if (drm_firmware_drivers_only() && virtio_gpu_modeset == -1)  in virtio_gpu_probe()
79 		return -EINVAL;  in virtio_gpu_probe()
82 		return -EINVAL;  in virtio_gpu_probe()
85 	 * The virtio-gpu device is a virtual device that doesn't have DMA  in virtio_gpu_probe()
90 	dev = drm_dev_alloc(&driver, vdev->dev.parent);  in virtio_gpu_probe()
93 	vdev->priv = dev;  in virtio_gpu_probe()
95 	if (dev_is_pci(vdev->dev.parent)) {  in virtio_gpu_probe()
101 	dma_set_max_seg_size(dev->dev, dma_max_mapping_size(dev->dev) ?: UINT_MAX);  in virtio_gpu_probe()
110 	drm_client_setup(vdev->priv, NULL);  in virtio_gpu_probe()
123 	struct drm_device *dev = vdev->priv;  in virtio_gpu_remove()
141 	struct drm_device *dev = vdev->priv;  in virtio_gpu_config_changed()
142 	struct virtio_gpu_device *vgdev = dev->dev_private;  in virtio_gpu_config_changed()
144 	schedule_work(&vgdev->config_changed_work);  in virtio_gpu_config_changed()
215 MODULE_DEVICE_TABLE(virtio, id_table);
216 MODULE_DESCRIPTION("Virtio GPU driver");