4 files changed, 58 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/Makefile b/drivers/gpu/nvgpu/Makefile
index 8a95065f..47c7e7d7 100644
--- a/drivers/gpu/nvgpu/Makefile
+++ b/drivers/gpu/nvgpu/Makefile
@@ -49,6 +49,7 @@ nvgpu-y := \
         common/linux/channel.o \
         common/linux/ce2.o \
         common/linux/sim.o \
+        common/linux/os_sched.o \
         common/mm/nvgpu_allocator.o \
         common/mm/bitmap_allocator.o \
         common/mm/buddy_allocator.o \
diff --git a/drivers/gpu/nvgpu/common/linux/os_sched.c b/drivers/gpu/nvgpu/common/linux/os_sched.c
new file mode 100644
index 00000000..ddaaad0f
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/os_sched.c
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include <nvgpu/os_sched.h>
+
+#include <linux/sched.h>
+
+int nvgpu_current_pid(struct gk20a *g)
+{
+        return current->tgid;
+}
diff --git a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
index 4efcfda8..64d521a0 100644
--- a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.c
@@ -22,6 +22,7 @@
 
 #include <nvgpu/kmem.h>
 #include <nvgpu/log.h>
+#include <nvgpu/os_sched.h>
 
 #include "gk20a.h"
 #include "tsg_gk20a.h"
@@ -286,7 +287,7 @@ struct tsg_gk20a *gk20a_tsg_open(struct gk20a *g)
         tsg->timeslice_timeout = 0;
         tsg->timeslice_scale = 0;
         tsg->runlist_id = ~0;
-        tsg->tgid = current->tgid;
+        tsg->tgid = nvgpu_current_pid(g);
 
         if (g->ops.fifo.init_eng_method_buffers)
                 g->ops.fifo.init_eng_method_buffers(g, tsg);
diff --git a/drivers/gpu/nvgpu/include/nvgpu/os_sched.h b/drivers/gpu/nvgpu/include/nvgpu/os_sched.h
new file mode 100644
index 00000000..61cee4ad
--- /dev/null
+++ b/drivers/gpu/nvgpu/include/nvgpu/os_sched.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __NVGPU_OS_SCHED_H__
+#define __NVGPU_OS_SCHED_H__
+
+struct gk20a;
+
+/**
+ * nvgpu_current_pid - Query the id of current process
+ *
+ */
+int nvgpu_current_pid(struct gk20a *g);
+
+#endif /* __NVGPU_OS_SCHED_H__ */