Attachment 137730 Details for Bug 105173 – Proposed patch

[patch] Proposed patch

5d1166744dc6fe502ee692248ba4c20f8714b0aa.patch (text/plain), 1.00 KB, created by Pierre Moreau on 2018-03-01 18:21:20 UTC

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Creator: Pierre Moreau

Created: 2018-03-01 18:21:20 UTC

Size: 1.00 KB

patch

obsolete

>From 5d1166744dc6fe502ee692248ba4c20f8714b0aa Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?M=C4=81ris=20Narti=C5=A1s?= <mn@sungis.lv>
>Date: Sat, 24 Feb 2018 12:36:00 +0000
>Subject: [PATCH] mmu: ALIGN_DOWN tail not addr
>
>Corrects copy/pasta error from 7110c89bb8852ff8b0f88ce05b332b3fe22bd11e
>Fixes screen corruption and X lock-ups observed on NV98.
>---
> drm/nouveau/nvkm/subdev/mmu/vmm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drm/nouveau/nvkm/subdev/mmu/vmm.c
>index e35d3e17c..c6e3d0dd1 100644
>--- a/drm/nouveau/nvkm/subdev/mmu/vmm.c
>+++ b/drm/nouveau/nvkm/subdev/mmu/vmm.c
>@@ -1354,7 +1354,7 @@ nvkm_vmm_get_locked(struct nvkm_vmm *vmm, bool getref, bool mapref, bool sparse,
> 
> 		tail = this->addr + this->size;
> 		if (vmm->func->page_block && next && next->page != p)
>-			tail = ALIGN_DOWN(addr, vmm->func->page_block);
>+			tail = ALIGN_DOWN(tail, vmm->func->page_block);
> 
> 		if (addr <= tail && tail - addr >= size) {
> 			rb_erase(&this->tree, &vmm->free);

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