drm/i915: Don't trim cursor addresses to 11 bits

We can safely assume that cursor addresses will not extend beyond the
addressable screen dimensions; setting the additional bits is harmless in
any case.

Signed-off-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 05bd97e..c5c4582 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2012,16 +2012,16 @@
 	uint32_t adder;
 
 	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
+		temp |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
 		x = -x;
 	}
 	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
+		temp |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
 		y = -y;
 	}
 
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
+	temp |= x << CURSOR_X_SHIFT;
+	temp |= y << CURSOR_Y_SHIFT;
 
 	adder = intel_crtc->cursor_addr;
 	I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);