From c99d44d7f09fc92daf64eee1f6f3300e11e1cf01 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 10 Oct 2013 08:32:51 +0100
Subject: [PATCH] sna: Prevent changes in tiling/pitch of existing framebuffers

Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 src/sna/kgem.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/src/sna/kgem.c b/src/sna/kgem.c
index 7da05dde..3dcc6142 100644
--- a/src/sna/kgem.c
+++ b/src/sna/kgem.c
@@ -3935,22 +3935,16 @@ struct kgem_bo *kgem_create_2d(struct kgem *kgem,
 			if (size > num_pages(bo) || num_pages(bo) > 2*size)
 				continue;
 
+			if (bo->tiling != tiling || bo->pitch != pitch)
+				/* No tiling/pitch without recreating fb */
+				continue;
+
 			if (!check_scanout_size(kgem, bo, width, height)) {
 				if (first == NULL)
 					first = bo;
 				continue;
 			}
 
-			if (bo->tiling != tiling ||
-			    (tiling != I915_TILING_NONE && bo->pitch != pitch)) {
-				if (!gem_set_tiling(kgem->fd, bo->handle,
-						    tiling, pitch))
-					continue;
-
-				bo->tiling = tiling;
-				bo->pitch = pitch;
-			}
-
 			if (flags & CREATE_INACTIVE && bo->rq) {
 				last = bo;
 				continue;