sna: Correct typo in computing damage of PolyPoint

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38614
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 37f8fb0a..8e8202a7 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -1741,7 +1741,7 @@ sna_poly_point_blt(DrawablePtr drawable,
 				BoxRec box;
 
 				box.x1 = x + dx;
-				box.y1 = x + dx;
+				box.y1 = y + dy;
 				box.x2 = box.x1 + 1;
 				box.y2 = box.y1 + 1;