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authorGerd Hoffmann <kraxel@redhat.com>2020-09-24 02:32:07 +0200
committerGerd Hoffmann <kraxel@redhat.com>2020-09-29 11:23:33 +0200
commit16845c5d540929d2f4dc845f11fbbb238e69170a (patch)
tree973396e50605edb1f16a176ce4945f06e970e7fc /drivers/gpu/drm/virtio/virtgpu_debugfs.c
parentdrm/virtio: implement blob resources: add new fields to internal structs (diff)
downloadlinux-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_debugfs.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_debugfs.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
index a2cdd267914a..f336a8fa6666 100644
--- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c
+++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
@@ -42,7 +42,7 @@ static void virtio_add_int(struct seq_file *m, const char *name,
static int virtio_gpu_features(struct seq_file *m, void *data)
{
- struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
virtio_add_bool(m, "virgl", vgdev->has_virgl_3d);
@@ -72,9 +72,27 @@ virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
return 0;
}
+static int
+virtio_gpu_debugfs_host_visible_mm(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
+ struct drm_printer p;
+
+ if (!vgdev->has_host_visible) {
+ seq_puts(m, "Host allocations not visible to guest\n");
+ return 0;
+ }
+
+ p = drm_seq_file_printer(m);
+ drm_mm_print(&vgdev->host_visible_mm, &p);
+ return 0;
+}
+
static struct drm_info_list virtio_gpu_debugfs_list[] = {
{ "virtio-gpu-features", virtio_gpu_features },
{ "virtio-gpu-irq-fence", virtio_gpu_debugfs_irq_info, 0, NULL },
+ { "virtio-gpu-host-visible-mm", virtio_gpu_debugfs_host_visible_mm },
};
#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)