[PATCH 2/6] drm/amdgpu:implement new GPU recover(v3)

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1,new imple names amdgpu_gpu_recover which gives more hint
on what it does compared with gpu_reset

2,gpu_recover unify bare-metal and SR-IOV, only the asic reset
part is implemented differently

3,gpu_recover will increase hang job karma and mark its entity/context
as guilty if exceeds limit

V2:

4,in scheduler main routine the job from guilty context  will be immedialy
fake signaled after it poped from queue and its fence be set with
"-ECANCELED" error

5,in scheduler recovery routine all jobs from the guilty entity would be
dropped

6,in run_job() routine the real IB submission would be skipped if @skip parameter
equales true or there was VRAM lost occured.

V3:

7,replace deprecated gpu reset, use new gpu recover

Signed-off-by: Monk Liu <Monk.Liu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h        |   6 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 310 +++++++++++++----------------
 drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c  |  10 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c    |   2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_job.c    |   5 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h   |   1 -
 drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c      |   2 +-
 drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c      |   2 +-
 8 files changed, 151 insertions(+), 187 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index ba1ab97..335df11 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -178,6 +178,10 @@ extern int amdgpu_cik_support;
 #define CIK_CURSOR_WIDTH 128
 #define CIK_CURSOR_HEIGHT 128
 
+/* GPU RESET flags */
+#define AMDGPU_RESET_INFO_VRAM_LOST  (1 << 0)
+#define AMDGPU_RESET_INFO_FULLRESET  (1 << 1)
+
 struct amdgpu_device;
 struct amdgpu_ib;
 struct amdgpu_cs_parser;
@@ -1840,7 +1844,7 @@ amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
 #define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
 
 /* Common functions */
-int amdgpu_gpu_reset(struct amdgpu_device *adev);
+int amdgpu_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job* job);
 bool amdgpu_need_backup(struct amdgpu_device *adev);
 void amdgpu_pci_config_reset(struct amdgpu_device *adev);
 bool amdgpu_need_post(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 400dfaa..7bccd45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2826,163 +2826,154 @@ static int amdgpu_recover_vram_from_shadow(struct amdgpu_device *adev,
 	return r;
 }
 
-/**
- * amdgpu_sriov_gpu_reset - reset the asic
- *
- * @adev: amdgpu device pointer
- * @job: which job trigger hang
- *
- * Attempt the reset the GPU if it has hung (all asics).
- * for SRIOV case.
- * Returns 0 for success or an error on failure.
- */
-int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job)
+static int amdgpu_reset(struct amdgpu_device *adev, uint64_t* reset_flags)
 {
-	int i, j, r = 0;
-	int resched;
-	struct amdgpu_bo *bo, *tmp;
-	struct amdgpu_ring *ring;
-	struct dma_fence *fence = NULL, *next = NULL;
+	int r;
+	bool need_full_reset, vram_lost = 0;
 
-	mutex_lock(&adev->virt.lock_reset);
-	atomic_inc(&adev->gpu_reset_counter);
-	adev->in_sriov_reset = true;
+	need_full_reset = amdgpu_need_full_reset(adev);
 
-	/* block TTM */
-	resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
+	if (!need_full_reset) {
+		amdgpu_pre_soft_reset(adev);
+		r = amdgpu_soft_reset(adev);
+		amdgpu_post_soft_reset(adev);
+		if (r || amdgpu_check_soft_reset(adev)) {
+			DRM_INFO("soft reset failed, will fallback to full reset!\n");
+			need_full_reset = true;
+		}
 
-	/* we start from the ring trigger GPU hang */
-	j = job ? job->ring->idx : 0;
+	}
 
-	/* block scheduler */
-	for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) {
-		ring = adev->rings[i % AMDGPU_MAX_RINGS];
-		if (!ring || !ring->sched.thread)
-			continue;
+	if (need_full_reset) {
+		r = amdgpu_suspend(adev);
 
-		kthread_park(ring->sched.thread);
+retry:
+		amdgpu_atombios_scratch_regs_save(adev);
+		r = amdgpu_asic_reset(adev);
+		amdgpu_atombios_scratch_regs_restore(adev);
+		/* post card */
+		amdgpu_atom_asic_init(adev->mode_info.atom_context);
 
-		if (job && j != i)
-			continue;
+		if (!r) {
+			dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
+			r = amdgpu_resume_phase1(adev);
+			if (r)
+				goto out;
 
-		/* here give the last chance to check if job removed from mirror-list
-		 * since we already pay some time on kthread_park */
-		if (job && list_empty(&job->base.node)) {
-			kthread_unpark(ring->sched.thread);
-			goto give_up_reset;
+			vram_lost = amdgpu_check_vram_lost(adev);
+			if (vram_lost) {
+				DRM_ERROR("VRAM is lost!\n");
+				atomic_inc(&adev->vram_lost_counter);
+			}
+
+			r = amdgpu_ttm_recover_gart(adev);
+			if (r)
+				goto out;
+
+			r = amdgpu_resume_phase2(adev);
+			if (r)
+				goto out;
+
+			if (vram_lost)
+				amdgpu_fill_reset_magic(adev);
 		}
+	}
 
-		if (amd_sched_invalidate_job(&job->base, amdgpu_job_hang_limit))
-			amd_sched_job_kickout(&job->base);
+out:
+	if (!r) {
+		amdgpu_irq_gpu_reset_resume_helper(adev);
+		r = amdgpu_ib_ring_tests(adev);
+		if (r) {
+			dev_err(adev->dev, "ib ring test failed (%d).\n", r);
+			r = amdgpu_suspend(adev);
+			need_full_reset = true;
+			goto retry;
+		}
+	}
 
-		/* only do job_reset on the hang ring if @job not NULL */
-		amd_sched_hw_job_reset(&ring->sched, NULL);
+	if (reset_flags) {
+		if (vram_lost)
+			(*reset_flags) |= AMDGPU_RESET_INFO_VRAM_LOST;
 
-		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
-		amdgpu_fence_driver_force_completion(ring);
+		if (need_full_reset)
+			(*reset_flags) |= AMDGPU_RESET_INFO_FULLRESET;
 	}
 
-	/* request to take full control of GPU before re-initialization  */
-	if (job)
-		amdgpu_virt_reset_gpu(adev);
-	else
-		amdgpu_virt_request_full_gpu(adev, true);
+	return r;
+}
+
+static int amdgpu_reset_sriov(struct amdgpu_device *adev, uint64_t *reset_flags, bool from_hypervisor)
+{
+	int r;
 
+	if (from_hypervisor)
+		r = amdgpu_virt_request_full_gpu(adev, true);
+	else
+		r = amdgpu_virt_reset_gpu(adev);
+	if (r)
+		return r;
 
 	/* Resume IP prior to SMC */
-	amdgpu_sriov_reinit_early(adev);
+	r = amdgpu_sriov_reinit_early(adev);
+	if (r)
+		goto error;
 
 	/* we need recover gart prior to run SMC/CP/SDMA resume */
 	amdgpu_ttm_recover_gart(adev);
 
 	/* now we are okay to resume SMC/CP/SDMA */
-	amdgpu_sriov_reinit_late(adev);
+	r = amdgpu_sriov_reinit_late(adev);
+	if (r)
+		goto error;
 
 	amdgpu_irq_gpu_reset_resume_helper(adev);
-
-	if (amdgpu_ib_ring_tests(adev))
+	r = amdgpu_ib_ring_tests(adev);
+	if (r)
 		dev_err(adev->dev, "[GPU_RESET] ib ring test failed (%d).\n", r);
 
+error:
 	/* release full control of GPU after ib test */
 	amdgpu_virt_release_full_gpu(adev, true);
 
-	DRM_INFO("recover vram bo from shadow\n");
-
-	ring = adev->mman.buffer_funcs_ring;
-	mutex_lock(&adev->shadow_list_lock);
-	list_for_each_entry_safe(bo, tmp, &adev->shadow_list, shadow_list) {
-		next = NULL;
-		amdgpu_recover_vram_from_shadow(adev, ring, bo, &next);
-		if (fence) {
-			r = dma_fence_wait(fence, false);
-			if (r) {
-				WARN(r, "recovery from shadow isn't completed\n");
-				break;
-			}
-		}
-
-		dma_fence_put(fence);
-		fence = next;
-	}
-	mutex_unlock(&adev->shadow_list_lock);
-
-	if (fence) {
-		r = dma_fence_wait(fence, false);
-		if (r)
-			WARN(r, "recovery from shadow isn't completed\n");
-	}
-	dma_fence_put(fence);
-
-	for (i = j; i < j + AMDGPU_MAX_RINGS; ++i) {
-		ring = adev->rings[i % AMDGPU_MAX_RINGS];
-		if (!ring || !ring->sched.thread)
-			continue;
-
-		if (job && j != i) {
-			kthread_unpark(ring->sched.thread);
-			continue;
-		}
-
-		amd_sched_job_recovery(&ring->sched);
-		kthread_unpark(ring->sched.thread);
-	}
+	if (reset_flags) {
+		/* will get vram_lost from GIM in future, now all
+		 * reset request considered VRAM LOST
+		 */
+		(*reset_flags) |= ~AMDGPU_RESET_INFO_VRAM_LOST;
+		atomic_inc(&adev->vram_lost_counter);
 
-	drm_helper_resume_force_mode(adev->ddev);
-give_up_reset:
-	ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
-	if (r) {
-		/* bad news, how to tell it to userspace ? */
-		dev_info(adev->dev, "GPU reset failed\n");
-	} else {
-		dev_info(adev->dev, "GPU reset successed!\n");
+		/* VF FLR or hotlink reset is always full-reset */
+		(*reset_flags) |= AMDGPU_RESET_INFO_FULLRESET;
 	}
 
-	adev->in_sriov_reset = false;
-	mutex_unlock(&adev->virt.lock_reset);
 	return r;
 }
 
 /**
- * amdgpu_gpu_reset - reset the asic
+ * amdgpu_gpu_recover - reset the asic and recover scheduler
  *
  * @adev: amdgpu device pointer
+ * @job: which job trigger hang
  *
- * Attempt the reset the GPU if it has hung (all asics).
+ * Attempt to reset the GPU if it has hung (all asics).
  * Returns 0 for success or an error on failure.
  */
-int amdgpu_gpu_reset(struct amdgpu_device *adev)
+int amdgpu_gpu_recover(struct amdgpu_device *adev, struct amdgpu_job *job)
 {
 	struct drm_atomic_state *state = NULL;
-	int i, r;
-	int resched;
-	bool need_full_reset, vram_lost = false;
+	uint64_t reset_flags = 0;
+	int i, r, resched;
 
 	if (!amdgpu_check_soft_reset(adev)) {
 		DRM_INFO("No hardware hang detected. Did some blocks stall?\n");
 		return 0;
 	}
 
+	dev_info(adev->dev, "GPU reset begin!\n");
+
+	mutex_lock(&adev->virt.lock_reset);
 	atomic_inc(&adev->gpu_reset_counter);
+	adev->in_sriov_reset = 1;
 
 	/* block TTM */
 	resched = ttm_bo_lock_delayed_workqueue(&adev->mman.bdev);
@@ -2996,69 +2987,26 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 
 		if (!ring || !ring->sched.thread)
 			continue;
+
+		/* only focus on the ring hit timeout if &job not NULL */
+		if (job && job->ring->idx != i)
+			continue;
+
 		kthread_park(ring->sched.thread);
-		amd_sched_hw_job_reset(&ring->sched, NULL);
+		amd_sched_hw_job_reset(&ring->sched, &job->base);
+
 		/* after all hw jobs are reset, hw fence is meaningless, so force_completion */
 		amdgpu_fence_driver_force_completion(ring);
 	}
 
-	need_full_reset = amdgpu_need_full_reset(adev);
-
-	if (!need_full_reset) {
-		amdgpu_pre_soft_reset(adev);
-		r = amdgpu_soft_reset(adev);
-		amdgpu_post_soft_reset(adev);
-		if (r || amdgpu_check_soft_reset(adev)) {
-			DRM_INFO("soft reset failed, will fallback to full reset!\n");
-			need_full_reset = true;
-		}
-	}
-
-	if (need_full_reset) {
-		r = amdgpu_suspend(adev);
-
-retry:
-		amdgpu_atombios_scratch_regs_save(adev);
-		r = amdgpu_asic_reset(adev);
-		amdgpu_atombios_scratch_regs_restore(adev);
-		/* post card */
-		amdgpu_atom_asic_init(adev->mode_info.atom_context);
+	if (amdgpu_sriov_vf(adev))
+		r = amdgpu_reset_sriov(adev, &reset_flags, job ? false : true);
+	else
+		r = amdgpu_reset(adev, &reset_flags);
 
-		if (!r) {
-			dev_info(adev->dev, "GPU reset succeeded, trying to resume\n");
-			r = amdgpu_resume_phase1(adev);
-			if (r)
-				goto out;
-			vram_lost = amdgpu_check_vram_lost(adev);
-			if (vram_lost) {
-				DRM_ERROR("VRAM is lost!\n");
-				atomic_inc(&adev->vram_lost_counter);
-			}
-			r = amdgpu_ttm_recover_gart(adev);
-			if (r)
-				goto out;
-			r = amdgpu_resume_phase2(adev);
-			if (r)
-				goto out;
-			if (vram_lost)
-				amdgpu_fill_reset_magic(adev);
-		}
-	}
-out:
 	if (!r) {
-		amdgpu_irq_gpu_reset_resume_helper(adev);
-		r = amdgpu_ib_ring_tests(adev);
-		if (r) {
-			dev_err(adev->dev, "ib ring test failed (%d).\n", r);
-			r = amdgpu_suspend(adev);
-			need_full_reset = true;
-			goto retry;
-		}
-		/**
-		 * recovery vm page tables, since we cannot depend on VRAM is
-		 * consistent after gpu full reset.
-		 */
-		if (need_full_reset && amdgpu_need_backup(adev)) {
+		if (((reset_flags & AMDGPU_RESET_INFO_FULLRESET) && !(adev->flags & AMD_IS_APU)) ||
+			(reset_flags & AMDGPU_RESET_INFO_VRAM_LOST)) {
 			struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
 			struct amdgpu_bo *bo, *tmp;
 			struct dma_fence *fence = NULL, *next = NULL;
@@ -3087,40 +3035,56 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev)
 			}
 			dma_fence_put(fence);
 		}
+
 		for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
 			struct amdgpu_ring *ring = adev->rings[i];
 
 			if (!ring || !ring->sched.thread)
 				continue;
 
+			/* only focus on the ring hit timeout if &job not NULL */
+			if (job && job->ring->idx != i)
+				continue;
+
 			amd_sched_job_recovery(&ring->sched);
 			kthread_unpark(ring->sched.thread);
 		}
 	} else {
-		dev_err(adev->dev, "asic resume failed (%d).\n", r);
 		for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
-			if (adev->rings[i] && adev->rings[i]->sched.thread) {
-				kthread_unpark(adev->rings[i]->sched.thread);
-			}
+			struct amdgpu_ring *ring = adev->rings[i];
+
+			if (!ring || !ring->sched.thread)
+				continue;
+
+			/* only focus on the ring hit timeout if &job not NULL */
+			if (job && job->ring->idx != i)
+				continue;
+
+			kthread_unpark(adev->rings[i]->sched.thread);
 		}
 	}
 
 	if (amdgpu_device_has_dc_support(adev)) {
-		r = drm_atomic_helper_resume(adev->ddev, state);
+		if (drm_atomic_helper_resume(adev->ddev, state))
+			dev_info(adev->dev, "drm resume failed:%d\n", r);
 		amdgpu_dm_display_resume(adev);
-	} else
+	} else {
 		drm_helper_resume_force_mode(adev->ddev);
+	}
 
 	ttm_bo_unlock_delayed_workqueue(&adev->mman.bdev, resched);
+
 	if (r) {
 		/* bad news, how to tell it to userspace ? */
-		dev_info(adev->dev, "GPU reset failed\n");
-	}
-	else {
-		dev_info(adev->dev, "GPU reset successed!\n");
+		dev_info(adev->dev, "GPU reset(%d) failed\n", atomic_read(&adev->gpu_reset_counter));
+		amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_GPU_RESET_FAIL, 0, r);
+	} else {
+		dev_info(adev->dev, "GPU reset(%d) successed!\n",atomic_read(&adev->gpu_reset_counter));
 	}
 
 	amdgpu_vf_error_trans_all(adev);
+	adev->in_sriov_reset = 0;
+	mutex_unlock(&adev->virt.lock_reset);
 	return r;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 80ee1c1..d0e5aeb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -694,25 +694,25 @@ static int amdgpu_debugfs_fence_info(struct seq_file *m, void *data)
 }
 
 /**
- * amdgpu_debugfs_gpu_reset - manually trigger a gpu reset
+ * amdgpu_debugfs_gpu_recover - manually trigger a gpu reset & recover
  *
  * Manually trigger a gpu reset at the next fence wait.
  */
-static int amdgpu_debugfs_gpu_reset(struct seq_file *m, void *data)
+static int amdgpu_debugfs_gpu_recover(struct seq_file *m, void *data)
 {
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	struct amdgpu_device *adev = dev->dev_private;
 
-	seq_printf(m, "gpu reset\n");
-	amdgpu_gpu_reset(adev);
+	seq_printf(m, "gpu recover\n");
+	amdgpu_gpu_recover(adev, NULL);
 
 	return 0;
 }
 
 static const struct drm_info_list amdgpu_debugfs_fence_list[] = {
 	{"amdgpu_fence_info", &amdgpu_debugfs_fence_info, 0, NULL},
-	{"amdgpu_gpu_reset", &amdgpu_debugfs_gpu_reset, 0, NULL}
+	{"amdgpu_gpu_recover", &amdgpu_debugfs_gpu_recover, 0, NULL}
 };
 
 static const struct drm_info_list amdgpu_debugfs_fence_list_sriov[] = {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 32590e4..c340774 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -88,7 +88,7 @@ static void amdgpu_irq_reset_work_func(struct work_struct *work)
 						  reset_work);
 
 	if (!amdgpu_sriov_vf(adev))
-		amdgpu_gpu_reset(adev);
+		amdgpu_gpu_recover(adev, NULL);
 }
 
 /* Disable *all* interrupts */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 0a90c76..18770a8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -37,10 +37,7 @@ static void amdgpu_job_timedout(struct amd_sched_job *s_job)
 		  atomic_read(&job->ring->fence_drv.last_seq),
 		  job->ring->fence_drv.sync_seq);
 
-	if (amdgpu_sriov_vf(job->adev))
-		amdgpu_sriov_gpu_reset(job->adev, job);
-	else
-		amdgpu_gpu_reset(job->adev);
+	amdgpu_gpu_recover(job->adev, job);
 }
 
 int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index d149aca..20bdb8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -288,7 +288,6 @@ int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
 int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
 int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
 int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
-int amdgpu_sriov_gpu_reset(struct amdgpu_device *adev, struct amdgpu_job *job);
 int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
 void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
 int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index f91aab3..c32d0b0 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
@@ -254,7 +254,7 @@ static void xgpu_ai_mailbox_flr_work(struct work_struct *work)
 	}
 
 	/* Trigger recovery due to world switch failure */
-	amdgpu_sriov_gpu_reset(adev, NULL);
+	amdgpu_gpu_recover(adev, NULL);
 }
 
 static int xgpu_ai_set_mailbox_rcv_irq(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
index 27b03c7..818ec0f 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
@@ -519,7 +519,7 @@ static void xgpu_vi_mailbox_flr_work(struct work_struct *work)
 	}
 
 	/* Trigger recovery due to world switch failure */
-	amdgpu_sriov_gpu_reset(adev, NULL);
+	amdgpu_gpu_recover(adev, NULL);
 }
 
 static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev,
-- 
2.7.4



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