bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-02 21:42:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

drm/virtio: implement blob resources: implement vram object

Browse Source 
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>
This commit is contained in:
Gerd Hoffmann
2020-09-23 17:32:07 -07:00
parent 5c824604e5
commit 16845c5d54
7 changed files with 293 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/virtio/virtgpu_object.c
View File

@@ -84,6 +84,18 @@ void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo)
}
drm_gem_shmem_free_object(&bo->base.base);
} else if (virtio_gpu_is_vram(bo)) {
struct virtio_gpu_object_vram *vram = to_virtio_gpu_vram(bo);
spin_lock(&vgdev->host_visible_lock);
if (drm_mm_node_allocated(&vram->vram_node))
drm_mm_remove_node(&vram->vram_node);
spin_unlock(&vgdev->host_visible_lock);
drm_gem_free_mmap_offset(&vram->base.base.base);
drm_gem_object_release(&vram->base.base.base);
kfree(vram);
}
}