diff --git a/README.md b/README.md
index d0eae2c..e56c0fd 100644
--- a/README.md
+++ b/README.md
@@ -181,7 +181,8 @@ against.
 | SW: `ffmpeg -re -hwaccel none -f null -`                     |  90 % | 1440 / 60.27 s    | 24.0 (paced)  | n/a     |
 | SW: `mpv --hwdec=no --vo=gpu-next`, DSI-1                    | 127 % | 1440 source / 60 s| ~7.8 delivered| **973** |
 | HW: `gst v4l2slh264dec → fakesink sync=false`                |  89 % | 1800 / 48.9 s     | 36.8          | n/a     |
-| HW: `gst v4l2slh264dec → waylandsink` (dmabuf), DSI-1        |   7 % | 1488 source / 62 s| ~24 (paced)   | unknown |
+| HW: `gst v4l2slh264dec → waylandsink` (dmabuf), DSI-1 1:1    |   7 % | 1488 / 62 s       | 24.0 (paced)  | 0 (progressreport 1:1) |
+| HW: `gst v4l2slh264dec → waylandsink fullscreen=true`, scaled |  6 % | 1488 / 62 s       | 24.0 (paced)  | 0 (progressreport 1:1) |
 
 Reading:
 - SW decode alone has ~3.2× headroom over source rate (77.6 / 24 fps) but
@@ -191,13 +192,16 @@ Reading:
   decode. Exactly the "compositor-bound ≠ decode-bound" gotcha below.
 - HW decode to `fakesink` clocks ~36.8 fps (~1.5× source rate), 89 % CPU.
 - **HW decode to `waylandsink` via zero-copy dmabuf (`DMA_DRM` NV12)
-  drops the CPU to 7 %** — an ≈18× drop from the SW mpv number. The
+  drops the CPU to 6–7 %** — an ≈18× drop from the SW mpv number. The
   GStreamer `v4l2codecs → waylandsink` path on KWin negotiates
   dmabuf-direct, bypassing any GL upload.
-- Frame-drop count for the HW waylandsink run is unknown here
-  (fpsdisplaysink signal wasn't wired through `gst-launch`); next pass
-  should parse via `GST_DEBUG=fpsdisplaysink:5` or a `progressreport`
-  element.
+- **Fit-to-screen scaling is effectively free.** Native 1920×1080 in a
+  window is 7 % CPU; `fullscreen=true` with KWin scaling the dmabuf down
+  to 1280×800 is 6 % CPU. Almost certainly the VOP2 HW scaling planes on
+  RK3566 are doing the downscale during scanout, not the GPU.
+- Frame-drop count validated by `progressreport update-freq=5`: stream
+  position advances 1:1 with wall clock for the full 62 s run — zero
+  drops, full 24 fps delivery.
 
 ### Acceptance criterion