Commit 6815cfe6 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

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



Let's proble for VIRTIO_GPU_F_RESOURCE_BLOB.

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
Signed-off-by: default avatarGurchetan Singh <gurchetansingh@chromium.org>
Acked-by: default avatarTomeu Vizoso <tomeu.vizoso@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20200924003214.662-8-gurchetansingh@chromium.org
parent bf36dea1

drivers/gpu/drm/virtio/virtgpu_debugfs.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/virtio/virtgpu_drv.c

+1 −0
Original line number Diff line number Diff line
@@ -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,

drivers/gpu/drm/virtio/virtgpu_drv.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/virtio/virtgpu_kms.c

+7 −3
Original line number Diff line number Diff line
@@ -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",

	DRM_INFO("features: %cvirgl %cedid %cresource_blob\n",

		 vgdev->has_virgl_3d    ? '+' : '-',

		 vgdev->has_edid     ? '+' : '-');

		 vgdev->has_edid        ? '+' : '-',

		 vgdev->has_resource_blob ? '+' : '-');



	ret = virtio_find_vqs(vgdev->vdev, 2, vqs, callbacks, names, NULL);

	if (ret) {