diff options
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_drv.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_drv.c | 66 |
1 files changed, 58 insertions, 8 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.c b/drivers/gpu/drm/virtio/virtgpu_drv.c index f8e9abe647b9..e32e680c7197 100644 --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -26,20 +26,24 @@ * OTHER DEALINGS IN THE SOFTWARE. */ +#include <linux/aperture.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/poll.h> +#include <linux/vgaarb.h> #include <linux/wait.h> +#include <drm/clients/drm_client_setup.h> #include <drm/drm.h> -#include <drm/drm_aperture.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_drv.h> -#include <drm/drm_fbdev_generic.h> +#include <drm/drm_fbdev_shmem.h> #include <drm/drm_file.h> #include "virtgpu_drv.h" +#define PCI_DEVICE_ID_VIRTIO_GPU 0x1050 + static const struct drm_driver driver; static int virtio_gpu_modeset = -1; @@ -58,7 +62,7 @@ static int virtio_gpu_pci_quirk(struct drm_device *dev) vga ? "virtio-vga" : "virtio-gpu-pci", pname); if (vga) { - ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver); + ret = aperture_remove_conflicting_pci_devices(pdev, driver.name); if (ret) return ret; } @@ -94,6 +98,7 @@ static int virtio_gpu_probe(struct virtio_device *vdev) goto err_free; } + dma_set_max_seg_size(dev->dev, dma_max_mapping_size(dev->dev) ?: UINT_MAX); ret = virtio_gpu_init(vdev, dev); if (ret) goto err_free; @@ -102,7 +107,8 @@ static int virtio_gpu_probe(struct virtio_device *vdev) if (ret) goto err_deinit; - drm_fbdev_generic_setup(vdev->priv, 32); + drm_client_setup(vdev->priv, NULL); + return 0; err_deinit: @@ -122,6 +128,14 @@ static void virtio_gpu_remove(struct virtio_device *vdev) drm_dev_put(dev); } +static void virtio_gpu_shutdown(struct virtio_device *vdev) +{ + /* + * drm does its own synchronization on shutdown. + * Do nothing here, opt out of device reset. + */ +} + static void virtio_gpu_config_changed(struct virtio_device *vdev) { struct drm_device *dev = vdev->priv; @@ -153,14 +167,50 @@ static struct virtio_driver virtio_gpu_driver = { .feature_table = features, .feature_table_size = ARRAY_SIZE(features), .driver.name = KBUILD_MODNAME, - .driver.owner = THIS_MODULE, .id_table = id_table, .probe = virtio_gpu_probe, .remove = virtio_gpu_remove, + .shutdown = virtio_gpu_shutdown, .config_changed = virtio_gpu_config_changed }; -module_virtio_driver(virtio_gpu_driver); +static int __init virtio_gpu_driver_init(void) +{ + struct pci_dev *pdev; + int ret; + + pdev = pci_get_device(PCI_VENDOR_ID_REDHAT_QUMRANET, + PCI_DEVICE_ID_VIRTIO_GPU, + NULL); + if (pdev && pci_is_vga(pdev)) { + ret = vga_get_interruptible(pdev, + VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM); + if (ret) { + pci_dev_put(pdev); + return ret; + } + } + + ret = register_virtio_driver(&virtio_gpu_driver); + + if (pdev) { + if (pci_is_vga(pdev)) + vga_put(pdev, + VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM); + + pci_dev_put(pdev); + } + + return ret; +} + +static void __exit virtio_gpu_driver_exit(void) +{ + unregister_virtio_driver(&virtio_gpu_driver); +} + +module_init(virtio_gpu_driver_init); +module_exit(virtio_gpu_driver_exit); MODULE_DEVICE_TABLE(virtio, id_table); MODULE_DESCRIPTION("Virtio GPU driver"); @@ -182,7 +232,8 @@ static const struct drm_driver driver = { .postclose = virtio_gpu_driver_postclose, .dumb_create = virtio_gpu_mode_dumb_create, - .dumb_map_offset = virtio_gpu_mode_dumb_mmap, + + DRM_FBDEV_SHMEM_DRIVER_OPS, #if defined(CONFIG_DEBUG_FS) .debugfs_init = virtio_gpu_debugfs_init, @@ -198,7 +249,6 @@ static const struct drm_driver driver = { .name = DRIVER_NAME, .desc = DRIVER_DESC, - .date = DRIVER_DATE, .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, |