From 81868a187fa3b217368206f17b19309846e8e7fb Mon Sep 17 00:00:00 2001
From: Debarshi Dutta <ddutta@nvidia.com>
Date: Fri, 18 Aug 2017 16:22:29 +0530
Subject: gpu: nvgpu: Nvgpu abstraction for linux barriers.

construct wrapper nvgpu_* methods to replace
mb,rmb,wmb,smp_mb,smp_rmb,smp_wmb,read_barrier_depends and
smp_read_barrier_depends.

NVGPU-122

Change-Id: I8d24dd70fef5cb0fadaacc15f3ab11531667a0df
Signed-off-by: Debarshi <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541199
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
---
 drivers/gpu/nvgpu/common/pmu/pmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'drivers/gpu/nvgpu/common/pmu/pmu.c')

diff --git a/drivers/gpu/nvgpu/common/pmu/pmu.c b/drivers/gpu/nvgpu/common/pmu/pmu.c
index 58108722..63597d10 100644
--- a/drivers/gpu/nvgpu/common/pmu/pmu.c
+++ b/drivers/gpu/nvgpu/common/pmu/pmu.c
@@ -16,6 +16,7 @@
 #include <nvgpu/log.h>
 #include <nvgpu/pmuif/nvgpu_gpmu_cmdif.h>
 #include <nvgpu/enabled.h>
+#include <nvgpu/barrier.h>
 
 #include "gk20a/gk20a.h"
 
@@ -394,7 +395,7 @@ void nvgpu_pmu_state_change(struct gk20a *g, u32 pmu_state,
 	}
 
 	/* make status visible */
-	smp_mb();
+	nvgpu_smp_mb();
 }
 
 static int nvgpu_pg_init_task(void *arg)
-- 
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