Patch "drm/ttm: Fix accounting error when fail to get pages for pool" has been added to the 4.13-stable tree

Patch "drm/ttm: Fix accounting error when fail to get pages for pool" has been added to the 4.13-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    drm/ttm: Fix accounting error when fail to get pages for pool

to the 4.13-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-ttm-fix-accounting-error-when-fail-to-get-pages-for-pool.patch
and it can be found in the queue-4.13 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 9afae2719273fa1d406829bf3498f82dbdba71c7 Mon Sep 17 00:00:00 2001
From: "Xiangliang.Yu" <Xiangliang.Yu@amd.com>
Date: Wed, 16 Aug 2017 14:25:51 +0800
Subject: drm/ttm: Fix accounting error when fail to get pages for pool
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Xiangliang.Yu <Xiangliang.Yu@amd.com>

commit 9afae2719273fa1d406829bf3498f82dbdba71c7 upstream.

When fail to get needed page for pool, need to put allocated pages
into pool. But current code has a miscalculation of allocated pages,
correct it.

Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/ttm/ttm_page_alloc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -615,7 +615,7 @@ static void ttm_page_pool_fill_locked(st
 		} else {
 			pr_err("Failed to fill pool (%p)\n", pool);
 			/* If we have any pages left put them to the pool. */
-			list_for_each_entry(p, &pool->list, lru) {
+			list_for_each_entry(p, &new_pages, lru) {
 				++cpages;
 			}
 			list_splice(&new_pages, &pool->list);


Patches currently in stable-queue which might be from Xiangliang.Yu@amd.com are

queue-4.13/drm-ttm-fix-accounting-error-when-fail-to-get-pages-for-pool.patch