Open source GPL/LGPL release

drivers/gpu/nvgpu/os/linux/debug_s_param.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2019-2020, 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/debugfs.h>
+#include "os_linux.h"
+#include "include/nvgpu/bios.h"
+
+#include <nvgpu/pmu/clk/clk.h>
+#include <nvgpu/pmu/perf.h>
+
+static int get_s_param_info(void *data, u64 *val)
+{
+	struct gk20a *g = (struct gk20a *)data;
+	int status = 0;
+
+	status = nvgpu_pmu_perf_vfe_get_s_param(g, val);
+	if(status != 0) {
+		nvgpu_err(g, "Vfe_var get s_param failed");
+		return status;
+	}
+	return status;
+}
+DEFINE_SIMPLE_ATTRIBUTE(s_param_fops, get_s_param_info , NULL, "%llu\n");
+
+int nvgpu_s_param_init_debugfs(struct gk20a *g)
+{
+	struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
+	struct dentry *dbgentry;
+
+	dbgentry = debugfs_create_file(
+		"s_param", S_IRUGO, l->debugfs, g, &s_param_fops);
+	if (!dbgentry) {
+		pr_err("%s: Failed to make debugfs node\n", __func__);
+		return -ENOMEM;
+	}
+
+	return 0;
+}