From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Wed, 11 Jul 2018 22:33:02 -0400
Subject: drm/amdgpu: Avoid invalidate tlbs when gpu is on reset
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Git-commit: bff418a2ee5df84bd75ac43659af7289ec1bab1c
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 3 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 3 +++
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c | 3 +++
3 files changed, 9 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -886,6 +886,9 @@ static int invalidate_tlbs(struct kgd_de
int vmid;
unsigned int tmp;
+ if (adev->in_gpu_reset)
+ return -EIO;
+
for (vmid = 0; vmid < 16; vmid++) {
if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid))
continue;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -846,6 +846,9 @@ static int invalidate_tlbs(struct kgd_de
int vmid;
unsigned int tmp;
+ if (adev->in_gpu_reset)
+ return -EIO;
+
for (vmid = 0; vmid < 16; vmid++) {
if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid))
continue;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -867,6 +867,9 @@ static int invalidate_tlbs(struct kgd_de
int vmid;
struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
+ if (adev->in_gpu_reset)
+ return -EIO;
+
if (ring->ready)
return invalidate_tlbs_with_kiq(adev, pasid);