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From a9cd1aa226d726aa2643b18129209e25e3efe2ba Mon Sep 17 00:00:00 2001
From: Shaoyun Liu <Shaoyun.Liu@amd.com>
Date: Mon, 14 May 2018 14:53:03 -0400
Subject: [PATCH 4494/5725] drm/amdgpu: Avoid destroy hqd when GPU is on reset
Change-Id: Ifd0c43973c818e592c727e994dbc77fd48e50e68
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 | 2 ++
3 files changed, 8 insertions(+)
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 f833437..468b940 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -586,6 +586,9 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
unsigned long flags, end_jiffies;
int retry;
+ if (adev->in_gpu_reset)
+ return -EIO;
+
acquire_queue(kgd, pipe_id, queue_id);
WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, 0);
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 0c7c248..e0c0e97 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -608,6 +608,9 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
int retry;
struct vi_mqd *m = get_mqd(mqd);
+ if (adev->in_gpu_reset)
+ return -EIO;
+
acquire_queue(kgd, pipe_id, queue_id);
if (m->cp_hqd_vmid == 0)
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 7af8ee6..adef83d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v9.c
@@ -745,6 +745,8 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
unsigned long flags;
int retry;
#endif
+ if (adev->in_gpu_reset)
+ return -EIO;
acquire_queue(kgd, pipe_id, queue_id);
--
2.7.4
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