Merge remote-tracking branch 'remotes/origin/dev/linux-nvgpu-t19x' into linux-nvgpu

Bug 200363166

Change-Id: Ic662d7b44b673db28dc0aeba338ae67cf2a43d64
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>

1 files changed, 40 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv100/fifo_gv100.c b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
new file mode 100644
index 00000000..79862f6b
--- /dev/null
+++ b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
@@ -0,0 +1,40 @@
+/*
+ * GV100 fifo
+ *
+ * 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.
+ */
+
+#include "fifo_gv100.h"
+
+#include <nvgpu/hw/gv100/hw_ccsr_gv100.h>
+
+#define DEFAULT_FIFO_PREEMPT_TIMEOUT 0x3FFFFFUL
+
+u32 gv100_fifo_get_num_fifos(struct gk20a *g)
+{
+        return ccsr_channel__size_1_v();
+}
+
+u32 gv100_fifo_get_preempt_timeout(struct gk20a *g)
+{
+        return DEFAULT_FIFO_PREEMPT_TIMEOUT;
+}
+