From b026b869ce99c157dba6a487f28954df44daac27 Mon Sep 17 00:00:00 2001
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Date: Tue, 17 May 2022 14:56:34 -0400
Subject: drm/amdgpu: Stop any pending reset if another in progress.
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Git-commit: 247c7b0dac3cf1141b8bf5520adf2fac1a797aa9
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

We skip rest requests if another one is already in progress.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f04df06d17b5..2b35260101f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -5065,6 +5065,27 @@ static void amdgpu_device_recheck_guilty_jobs(
 	}
 }
 
+static inline void amdggpu_device_stop_pedning_resets(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+
+#if defined(CONFIG_DEBUG_FS)
+	if (!amdgpu_sriov_vf(adev))
+		cancel_work(&adev->reset_work);
+#endif
+
+	if (adev->kfd.dev)
+		cancel_work(&adev->kfd.reset_work);
+
+	if (amdgpu_sriov_vf(adev))
+		cancel_work(&adev->virt.flr_work);
+
+	if (con && adev->ras_enabled)
+		cancel_work(&con->recovery_work);
+
+}
+
+
 /**
  * amdgpu_device_gpu_recover_imp - reset the asic and recover scheduler
  *
@@ -5220,6 +5241,12 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
 				  r, adev_to_drm(tmp_adev)->unique);
 			tmp_adev->asic_reset_res = r;
 		}
+
+		/*
+		 * Drop all pending non scheduler resets. Scheduler resets
+		 * were already dropped during drm_sched_stop
+		 */
+		amdggpu_device_stop_pedning_resets(tmp_adev);
 	}
 
 	tmp_vram_lost_counter = atomic_read(&((adev)->vram_lost_counter));
-- 
2.38.1