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 5.4-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-5.4 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() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ -2333,7 +2333,7 @@ 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; after->bo_va = tmp->bo_va; list_add(&after->list, &tmp->bo_va->invalids); Patches currently in stable-queue which might be from nirmoy.das@xxxxxxx are queue-5.4/drm-amdgpu-fix-offset-calculation-in-amdgpu_vm_bo_clear_mappings.patch