This is a note to let you know that I've just added the patch titled
drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings()
to the 4.14-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-amdgpu-fix-offset-calculation-in-amdgpu_vm_bo_clear_mappings.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5e61b84f9d3ddfba73091f9fbc940caae1c9eb22 Mon Sep 17 00:00:00 2001
From: Nirmoy Das <nirmoy.das@xxxxxxx>
Date: Fri, 26 Mar 2021 16:08:10 +0100
Subject: drm/amdgpu: fix offset calculation in amdgpu_vm_bo_clear_mappings()
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From: Nirmoy Das <nirmoy.das@xxxxxxx>
commit 5e61b84f9d3ddfba73091f9fbc940caae1c9eb22 upstream.
Offset calculation wasn't correct as start addresses are in pfn
not in bytes.
CC: stable@xxxxxxxxxxxxxxx
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2285,7 +2285,7 @@ int amdgpu_vm_bo_clear_mappings(struct a
after->start = eaddr + 1;
after->last = tmp->last;
after->offset = tmp->offset;
- after->offset += after->start - tmp->start;
+ after->offset += (after->start - tmp->start) << PAGE_SHIFT;
after->flags = tmp->flags;
list_add(&after->list, &tmp->list);
}
Patches currently in stable-queue which might be from nirmoy.das@xxxxxxx are
queue-4.14/drm-amdgpu-fix-offset-calculation-in-amdgpu_vm_bo_clear_mappings.patch
