diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_drm_bus.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drm_bus.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c b/drivers/gpu/drm/virtio/virtgpu_drm_bus.c deleted file mode 100644 index 7df8d0c9026a..000000000000 --- a/drivers/gpu/drm/virtio/virtgpu_drm_bus.c +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (C) 2015 Red Hat, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <linux/pci.h> -#include <drm/drm_fb_helper.h> - -#include "virtgpu_drv.h" - -static void virtio_pci_kick_out_firmware_fb(struct pci_dev *pci_dev) -{ - struct apertures_struct *ap; - bool primary; - - ap = alloc_apertures(1); - if (!ap) - return; - - ap->ranges[0].base = pci_resource_start(pci_dev, 0); - ap->ranges[0].size = pci_resource_len(pci_dev, 0); - - primary = pci_dev->resource[PCI_ROM_RESOURCE].flags - & IORESOURCE_ROM_SHADOW; - - drm_fb_helper_remove_conflicting_framebuffers(ap, "virtiodrmfb", primary); - - kfree(ap); -} - -int drm_virtio_init(struct drm_driver *driver, struct virtio_device *vdev) -{ - struct drm_device *dev; - int ret; - - dev = drm_dev_alloc(driver, &vdev->dev); - if (IS_ERR(dev)) - return PTR_ERR(dev); - vdev->priv = dev; - - if (strcmp(vdev->dev.parent->bus->name, "pci") == 0) { - struct pci_dev *pdev = to_pci_dev(vdev->dev.parent); - const char *pname = dev_name(&pdev->dev); - bool vga = (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA; - char unique[20]; - - DRM_INFO("pci: %s detected at %s\n", - vga ? "virtio-vga" : "virtio-gpu-pci", - pname); - dev->pdev = pdev; - if (vga) - virtio_pci_kick_out_firmware_fb(pdev); - - snprintf(unique, sizeof(unique), "pci:%s", pname); - ret = drm_dev_set_unique(dev, unique); - if (ret) - goto err_free; - - } - - ret = drm_dev_register(dev, 0); - if (ret) - goto err_free; - - return 0; - -err_free: - drm_dev_unref(dev); - return ret; -} |
