HAS_DIRTYTRACKING_ROTATION also supports multiple CRTCs

(ported from radeon commit ff9a6b6f079a8419f4e6fadfee778060618bf735)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit a36bbfd9)

src/drmmode_display.c

@@ -905,7 +905,7 @@ static Bool drmmode_set_scanout_pixmap(xf86CrtcPtr crtc, PixmapPtr ppix)
 			if (max_height < iter->mode.VDisplay)
 				max_height = iter->mode.VDisplay;
 		}
-#ifndef HAS_DIRTYTRACKING2
+#if !defined(HAS_DIRTYTRACKING_ROTATION) && !defined(HAS_DIRTYTRACKING2)
 		if (iter != crtc) {
 			ErrorF
 			    ("Cannot do multiple crtcs without X server dirty tracking 2 interface\n");