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Code Issues Releases Wiki Activity

drm/virtio: implement blob resources: probe for the feature.

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Let's proble for VIRTIO_GPU_F_RESOURCE_BLOB.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-8-gurchetansingh@chromium.org
This commit is contained in:
Gerd Hoffmann 2020-09-23 17:32:03 -07:00
parent bf36dea176
commit 6815cfe602
4 changed files with 10 additions and 3 deletions
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1
drivers/gpu/drm/virtio/virtgpu_debugfs.c
View file

@ -49,6 +49,7 @@ static int virtio_gpu_features(struct seq_file *m, void *data)
virtio_add_bool(m, "edid", vgdev->has_edid);
virtio_add_bool(m, "indirect", vgdev->has_indirect);
virtio_add_bool(m, "resource uuid", vgdev->has_resource_assign_uuid);
virtio_add_bool(m, "blob resources", vgdev->has_resource_blob);
virtio_add_int(m, "cap sets", vgdev->num_capsets);
virtio_add_int(m, "scanouts", vgdev->num_scanouts);
return 0;

1
drivers/gpu/drm/virtio/virtgpu_drv.c
View file

@ -166,6 +166,7 @@ static unsigned int features[] = {
#endif
VIRTIO_GPU_F_EDID,
VIRTIO_GPU_F_RESOURCE_UUID,
VIRTIO_GPU_F_RESOURCE_BLOB,
};
static struct virtio_driver virtio_gpu_driver = {
.feature_table = features,

1
drivers/gpu/drm/virtio/virtgpu_drv.h
View file

@ -208,6 +208,7 @@ struct virtio_gpu_device {
bool has_edid;
bool has_indirect;
bool has_resource_assign_uuid;
bool has_resource_blob;
struct work_struct config_changed_work;

10
drivers/gpu/drm/virtio/virtgpu_kms.c
View file

@ -152,10 +152,14 @@ int virtio_gpu_init(struct drm_device *dev)
if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) {
vgdev->has_resource_assign_uuid = true;
}
if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_BLOB)) {
vgdev->has_resource_blob = true;
}
DRM_INFO("features: %cvirgl %cedid\n",
vgdev->has_virgl_3d ? '+' : '-',
vgdev->has_edid ? '+' : '-');
DRM_INFO("features: %cvirgl %cedid %cresource_blob\n",
vgdev->has_virgl_3d ? '+' : '-',
vgdev->has_edid ? '+' : '-',
vgdev->has_resource_blob ? '+' : '-');
ret = virtio_find_vqs(vgdev->vdev, 2, vqs, callbacks, names, NULL);
if (ret) {