diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-24 02:32:07 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-29 11:23:33 +0200 |
| commit | 16845c5d540929d2f4dc845f11fbbb238e69170a (patch) | |
| tree | 973396e50605edb1f16a176ce4945f06e970e7fc /drivers/gpu/drm/virtio/virtgpu_kms.c | |
| parent | drm/virtio: implement blob resources: add new fields to internal structs (diff) | |
| download | linux-16845c5d540929d2f4dc845f11fbbb238e69170a.tar.xz linux-16845c5d540929d2f4dc845f11fbbb238e69170a.zip | |
drm/virtio: implement blob resources: implement vram object
A virtio-gpu vram object is based on range-based allocation.
No guest shmemfs backing, so we call drm_gem_private_object_init.
This is for host memory without any guest backing (atleast initially).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-12-gurchetansingh@chromium.org
Co-developed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_kms.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_kms.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c index e17d3f5a0b54..b4ec479c32cd 100644 --- a/drivers/gpu/drm/virtio/virtgpu_kms.c +++ b/drivers/gpu/drm/virtio/virtgpu_kms.c @@ -121,6 +121,7 @@ int virtio_gpu_init(struct drm_device *dev) spin_lock_init(&vgdev->display_info_lock); spin_lock_init(&vgdev->resource_export_lock); + spin_lock_init(&vgdev->host_visible_lock); ida_init(&vgdev->ctx_id_ida); ida_init(&vgdev->resource_ida); init_waitqueue_head(&vgdev->resp_wq); @@ -169,6 +170,9 @@ int virtio_gpu_init(struct drm_device *dev) (unsigned long)vgdev->host_visible_region.addr, (unsigned long)vgdev->host_visible_region.len); vgdev->has_host_visible = true; + drm_mm_init(&vgdev->host_visible_mm, + (unsigned long)vgdev->host_visible_region.addr, + (unsigned long)vgdev->host_visible_region.len); } DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible\n", @@ -262,6 +266,10 @@ void virtio_gpu_release(struct drm_device *dev) virtio_gpu_modeset_fini(vgdev); virtio_gpu_free_vbufs(vgdev); virtio_gpu_cleanup_cap_cache(vgdev); + + if (vgdev->has_host_visible) + drm_mm_takedown(&vgdev->host_visible_mm); + kfree(vgdev->capsets); kfree(vgdev); } |