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From 3b037896917e0d2315a8c6b51e9aff0ec58e8339 Mon Sep 17 00:00:00 2001
From: Leo Liu <leo.liu@amd.com>
Date: Fri, 13 Jul 2018 11:26:28 -0400
Subject: [PATCH 4665/5725] drm/amdgpu: Make sure IB tests flushed after IP
resume
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Fixes: 2c773de2 (drm/amdgpu: defer test IBs on the rings at boot (V3))
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index d02f2fa..b39192f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2792,6 +2792,9 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
if (r)
return r;
+ /* Make sure IB tests flushed */
+ flush_delayed_work(&adev->late_init_work);
+
/* blat the mode back in */
if (fbcon) {
if (!amdgpu_device_has_dc_support(adev)) {
--
2.7.4
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