gpu: nvgpu: add GPCCLK on ioctl API

Internally we use GPC2CLK in the arbiter, but we should expose
GPCCLK on kernel API and in user space. Added GPCCLK on the ioctl
API. Arbiter uses GPC2CLK to make queries, then converts to GPCCLK.

Jira DNVGPU-210

Change-Id: Id0b8134d0505c1f9bfd655a08e902bdcd03ebd96
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1280316
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index e844a205..25c0472c 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -1,7 +1,7 @@
 /*
  * NVGPU Public Interface Header
  *
- * Copyright (c) 2011-2016, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2011-2017, 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,
@@ -536,7 +536,13 @@ struct nvgpu_gpu_alloc_vidmem_args {
         };
 };
 
+/* Main graphics core clock */
+#define NVGPU_GPU_CLK_DOMAIN_GPCCLK                              (0x10000000)
+/* Memory clock */
 #define NVGPU_GPU_CLK_DOMAIN_MCLK                                (0x00000010)
+/* Main graphics core clock x 2
+ *      deprecated, use NVGPU_GPU_CLK_DOMAIN_GPCCLK instead
+ */
 #define NVGPU_GPU_CLK_DOMAIN_GPC2CLK                             (0x00010000)
 
 struct nvgpu_gpu_clk_range {