drm/nvd0/disp: mask off high 16 bit of negative cursor x-coordinate

Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Cc: stable@vger.kernel.org
mariux64 · Aug 13, 2012 · af5e7d8 · af5e7d8
1 parent e2b34fa
commit af5e7d8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c
@@ -790,7 +790,7 @@ nvd0_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 	struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 	int ch = EVO_CURS(nv_crtc->index);
 
-	evo_piow(crtc->dev, ch, 0x0084, (y << 16) | x);
+	evo_piow(crtc->dev, ch, 0x0084, (y << 16) | (x & 0xffff));
 	evo_piow(crtc->dev, ch, 0x0080, 0x00000000);
 	return 0;
 }