SCANOUT_BLOB forwards the DRM framebuffer metadata to the host. The
modifier is intentionally left out -- it may be possible to query
the host for that.
We also assume one blob resource per DRM framebuffer. That too is
an intentional simplification.
Signed-off-by: Gurchetan Singh <gurchetansi...@chromium.org>
Acked-by: Tomeu Vizoso <tomeu.viz...@collabora.com>
---
drivers/gpu/drm/virtio/virtgpu_plane.c | 23 +++++++++++++++++------
1 file changed, 17 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c
b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 52d24179bcec..1e0754e77723 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -172,12 +172,23 @@ static void virtio_gpu_primary_plane_update(struct
drm_plane *plane,
plane->state->src_h >> 16,
plane->state->src_x >> 16,
plane->state->src_y >> 16);
- virtio_gpu_cmd_set_scanout(vgdev, output->index,
- bo->hw_res_handle,
- plane->state->src_w >> 16,
- plane->state->src_h >> 16,
- plane->state->src_x >> 16,
- plane->state->src_y >> 16);
+
+ if (bo->host3d_blob || bo->guest_blob) {
+ virtio_gpu_cmd_set_scanout_blob(
+ vgdev, output->index, bo,
+ plane->state->fb,
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16);
+ } else {
+ virtio_gpu_cmd_set_scanout(vgdev, output->index,
+ bo->hw_res_handle,
+ plane->state->src_w >> 16,
+ plane->state->src_h >> 16,
+ plane->state->src_x >> 16,
+ plane->state->src_y >> 16);
+ }
}
virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle,
--
2.24.1
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