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drm/virtio: implement context init: probe for feature
Let's probe for VIRTIO_GPU_F_CONTEXT_INIT. Create a new DRM_INFO(..) line since the current one is getting too long. Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@gmail.com> Acked-by: Lingfeng Yang <lfy@google.com> Link: http://patchwork.freedesktop.org/patch/msgid/20210921232024.817-5-gurchetansingh@chromium.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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6198770a1f
4 changed files with 10 additions and 1 deletions
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@ -52,6 +52,7 @@ static int virtio_gpu_features(struct seq_file *m, void *data)
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vgdev->has_resource_assign_uuid);
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virtio_gpu_add_bool(m, "blob resources", vgdev->has_resource_blob);
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virtio_gpu_add_bool(m, "context init", vgdev->has_context_init);
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virtio_gpu_add_int(m, "cap sets", vgdev->num_capsets);
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virtio_gpu_add_int(m, "scanouts", vgdev->num_scanouts);
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if (vgdev->host_visible_region.len) {
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@ -172,6 +172,7 @@ static unsigned int features[] = {
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VIRTIO_GPU_F_EDID,
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VIRTIO_GPU_F_RESOURCE_UUID,
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VIRTIO_GPU_F_RESOURCE_BLOB,
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VIRTIO_GPU_F_CONTEXT_INIT,
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};
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static struct virtio_driver virtio_gpu_driver = {
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.feature_table = features,
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@ -236,6 +236,7 @@ struct virtio_gpu_device {
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bool has_resource_assign_uuid;
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bool has_resource_blob;
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bool has_host_visible;
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bool has_context_init;
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struct virtio_shm_region host_visible_region;
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struct drm_mm host_visible_mm;
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@ -191,13 +191,19 @@ int virtio_gpu_init(struct drm_device *dev)
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(unsigned long)vgdev->host_visible_region.addr,
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(unsigned long)vgdev->host_visible_region.len);
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}
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if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_CONTEXT_INIT)) {
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vgdev->has_context_init = true;
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}
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DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible\n",
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DRM_INFO("features: %cvirgl %cedid %cresource_blob %chost_visible",
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vgdev->has_virgl_3d ? '+' : '-',
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vgdev->has_edid ? '+' : '-',
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vgdev->has_resource_blob ? '+' : '-',
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vgdev->has_host_visible ? '+' : '-');
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DRM_INFO("features: %ccontext_init\n",
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vgdev->has_context_init ? '+' : '-');
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ret = virtio_find_vqs(vgdev->vdev, 2, vqs, callbacks, names, NULL);
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if (ret) {
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DRM_ERROR("failed to find virt queues\n");
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