gpu: nvgpu: construct/load tabels & set voltage

- Read voltage tables from VBIOS & construct
  then send to PMU.
- compare & set voltage based on
  mclk/gpc2clk clk, take higher voltage
  between two & set.

JIRA DNVGPU-122

Change-Id: I23e7b101a3b1c1b6596620fc6b8319c70bd9a488
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1224365
(cherry picked from commit e0055c3ec798b8312df3fa9bf92bde8c57c6f58c)
Reviewed-on: http://git-master/r/1244657
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/clk/clk_mclk.h b/drivers/gpu/nvgpu/clk/clk_mclk.h
index edb7eb78..9d193c96 100644
--- a/drivers/gpu/nvgpu/clk/clk_mclk.h
+++ b/drivers/gpu/nvgpu/clk/clk_mclk.h
@@ -22,6 +22,9 @@ enum gk20a_mclk_speed {
         gk20a_mclk_high_speed,
 };
 
+#define DEFAULT_BOOT_MCLK_SPEED gk20a_mclk_high_speed
+#define MCLK_LOW_SPEED_LIMIT 405
+#define MCLK_MID_SPEED_LIMIT 810
 struct clk_mclk_state {
         enum gk20a_mclk_speed speed;
         struct mutex mclk_mutex;