From: Leo Liu <leo.liu@amd.com>
Date: Fri, 13 Jul 2018 11:26:28 -0400
Subject: drm/amdgpu: Make sure IB tests flushed after IP resume
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Git-commit: 96a5d8d4915f3e241ebb48d5decdd110ab9c7dcf
Patch-mainline: v4.18-rc6
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2747,6 +2747,9 @@ int amdgpu_device_resume(struct drm_devi
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)) {