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From 5b46dfbb56ac49aece9d1a2f6175e7b9ef75e083 Mon Sep 17 00:00:00 2001
From: Le Ma <le.ma@amd.com>
Date: Fri, 25 Oct 2019 17:19:38 +0800
Subject: [PATCH 4664/4736] drm/amdgpu: clear err_event_athub flag after reset
 exit

Otherwise next err_event_athub error cannot call gpu reset. And following
resume sequence will not be affected by this flag.

v2: create function to clear amdgpu_ras_in_intr for modularity of ras driver

Change-Id: I5cd293f30f23876bf2a1860681bcb50f47713ecd
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h    | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index e20d324a6d90..7bedbeb12627 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3895,6 +3895,9 @@ static int amdgpu_do_asic_reset(struct amdgpu_device *adev,
 		}
 	}
 
+	if (!r && amdgpu_ras_intr_triggered())
+		amdgpu_ras_intr_cleared();
+
 	list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
 		if (need_full_reset) {
 			/* post card */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
index a2c1ac1b9572..d4ade4739245 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
@@ -621,6 +621,11 @@ static inline bool amdgpu_ras_intr_triggered(void)
 	return !!atomic_read(&amdgpu_ras_in_intr);
 }
 
+static inline void amdgpu_ras_intr_cleared(void)
+{
+	atomic_set(&amdgpu_ras_in_intr, 0);
+}
+
 void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
 
 #endif
-- 
2.17.1