From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 24 Jan 2018 13:38:52 +0100
Subject: drm/amdgpu: remove WARN_ON when VM isn't found v2
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Git-commit: 147f255884a7d9bd3707d4674a8bbacf24efbcf5
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
It can easily be that the VM is already destroyed when this runs.
v2: fix test inversion
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/vega10_ih.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -278,7 +278,7 @@ static bool vega10_ih_prescreen_iv(struc
/* Track retry faults in per-VM fault FIFO. */
spin_lock(&adev->vm_manager.pasid_lock);
vm = idr_find(&adev->vm_manager.pasid_idr, pasid);
- if (WARN_ON_ONCE(!vm)) {
+ if (!vm) {
/* VM not found, process it normally */
spin_unlock(&adev->vm_manager.pasid_lock);
amdgpu_ih_clear_fault(adev, key);