MIRRORS/linux-imx
1
0
Fork 0
mirror of https://github.com/nxp-imx/linux-imx.git synced 2025-07-13 20:59:37 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amdgpu: avoid restore process run into dead loop.

Browse Source 
In restore process worker, pinned BO cause update PTE fail, then
the function re-schedule the restore_work. This will generate dead loop.

Signed-off-by: gaba <gaba@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
gaba 2023-03-02 19:03:56 -05:00 committed by Alex Deucher
parent d934e537c1
commit 8a774fe912
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View File

@ -2881,6 +2881,9 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
if (!attachment->is_mapped) if (!attachment->is_mapped)
continue; continue;
if (attachment->bo_va->base.bo->tbo.pin_count)
continue;
kfd_mem_dmaunmap_attachment(mem, attachment); kfd_mem_dmaunmap_attachment(mem, attachment);
ret = update_gpuvm_pte(mem, attachment, &sync_obj); ret = update_gpuvm_pte(mem, attachment, &sync_obj);
if (ret) { if (ret) {