From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 27 May 2011 16:12:04 +0000 (+1000)
Subject: drm/nouveau: fix vram page mapping when crossing page table boundaries
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=73c337e70e75bb94dcb21459dd06afad0746634c;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git

drm/nouveau: fix vram page mapping when crossing page table boundaries

Hopefully the cause of nvc0 "page jumping" issue.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.c b/drivers/gpu/drm/nouveau/nouveau_vm.c
index 0059e6f58a8b..519a6b4bba46 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vm.c
@@ -58,6 +58,7 @@ nouveau_vm_map_at(struct nouveau_vma *vma, u64 delta, struct nouveau_mem *node)
 			num -= len;
 			pte += len;
 			if (unlikely(end >= max)) {
+				phys += len << (bits + 12);
 				pde++;
 				pte = 0;
 			}