From: Horace Chen <horace.chen@amd.com>
Date: Wed, 28 Jun 2017 17:51:50 +0800
Subject: drm/amdgpu/sriov:increate mailbox polling timeout
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Git-commit: 6e132ca0bb62b30c0eb053d99f75bb827f7876f5
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

increase timeout to 12 seconds,because there may have multiple
FLR waiting for done, the waiting time of events may be long,
increase to 12s to reduce timeout failure.

Signed-off-by: Horace Chen <horace.chen@amd.com>
Acked-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/mxgpu_ai.h |    2 +-
 drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
@@ -24,7 +24,7 @@
 #ifndef __MXGPU_AI_H__
 #define __MXGPU_AI_H__
 
-#define AI_MAILBOX_TIMEDOUT	5000
+#define AI_MAILBOX_TIMEDOUT	12000
 
 enum idh_request {
 	IDH_REQ_GPU_INIT_ACCESS = 1,
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
@@ -23,7 +23,7 @@
 #ifndef __MXGPU_VI_H__
 #define __MXGPU_VI_H__
 
-#define VI_MAILBOX_TIMEDOUT	5000
+#define VI_MAILBOX_TIMEDOUT	12000
 #define VI_MAILBOX_RESET_TIME	12
 
 /* VI mailbox messages request */