drm/i915: Fix regression in the sprite plane update split

7e4bf45dbd99a965c7b5d5944c6dc4246f171eb5 introduced the regression.
We fix it by doing the right assignment of crtc_y

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83747
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_sprite.c

@@ -1080,7 +1080,7 @@ intel_commit_sprite_plane(struct drm_plane *plane,
 
 		if (state->visible) {
 			crtc_x = state->dst.x1;
-			crtc_y = state->dst.x2;
+			crtc_y = state->dst.y1;
 			crtc_w = drm_rect_width(&state->dst);
 			crtc_h = drm_rect_height(&state->dst);
 			src_x = state->src.x1;