gpu: nvgpu: gp10b: Set correct PBDMA signature

GPFIFO class was set to Maxwell class number. Also implement the
PBDMA signature HAL.

Change-Id: Ieaebcda8af96d5779289b311c0c433e8b4349234
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/672921

1 files changed, 32 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c b/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c
new file mode 100644
index 00000000..d67c7ee2
--- /dev/null
+++ b/drivers/gpu/nvgpu/gp10b/fifo_gp10b.c
@@ -0,0 +1,32 @@
+/*
+ * GP10B fifo
+ *
+ * Copyright (c) 2015, 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 <linux/types.h>
+
+#include "gk20a/gk20a.h"
+#include "gm20b/fifo_gm20b.h"
+#include "hw_pbdma_gp10b.h"
+
+static u32 gp10b_fifo_get_pbdma_signature(struct gk20a *g)
+{
+        return g->gpu_characteristics.gpfifo_class 
+                | pbdma_signature_sw_zero_f();
+}
+
+void gp10b_init_fifo(struct gpu_ops *gops)
+{
+        gm20b_init_fifo(gops);
+        gops->fifo.get_pbdma_signature = gp10b_fifo_get_pbdma_signature;
+}