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From 1342dd9b236b14c296e97c37da02a60d18e153dd Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Tue, 8 May 2018 11:48:06 -0400
Subject: [PATCH 4491/5725] drm/amdgpu: Avoid invalidate tlbs when gpu is on
reset
Change-Id: Iff018a8b01c9015f2b1e1368d1b1d515e62af6d5
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.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 | 5 ++++-
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index b04471b..f833437 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -822,6 +822,9 @@ static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
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;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
index d723ae2..0c7c248 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -791,6 +791,9 @@ static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
int vmid;
unsigned int tmp;
+ if (adev->in_gpu_reset)
+ return -EIO;
+
#ifdef V8_SUPPORT_IT_OFFICIAL
struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
index a81e301..7af8ee6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -989,7 +989,10 @@ static int invalidate_tlbs(struct kgd_dev *kgd, uint16_t pasid)
int vmid;
struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
- if (ring->ready && (!adev->in_gpu_reset))
+ if (adev->in_gpu_reset)
+ return -EIO;
+
+ if (ring->ready)
return invalidate_tlbs_with_kiq(adev, pasid);
for (vmid = 0; vmid < 16; vmid++) {
--
2.7.4
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