gpu: nvgpu: Add pmgr support

This CL covers the following implementation,
1) Power Sensor Table parsing.
2) Power Topology Table parsing.
3) Add debugfs interface to get the current power(mW), current(mA) and
   voltage(uV) information from PMU.
4) Power Policy Table Parsing
5) Implement PMU boardobj interface for pmgr module.
6) Over current protection.

JIRA DNVGPU-47

Change-Id: I7b1eefacc4f0a9824ab94ec8dcebefe81b7660d3
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: http://git-master/r/1217189
(cherry picked from commit ecd0b16316cb4110118c6677f5f03e02921c29b6)
Reviewed-on: http://git-master/r/1241953
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/pstate/pstate.c b/drivers/gpu/nvgpu/pstate/pstate.c
index d6173275..da1a49db 100644
--- a/drivers/gpu/nvgpu/pstate/pstate.c
+++ b/drivers/gpu/nvgpu/pstate/pstate.c
@@ -16,6 +16,7 @@
 #include "gk20a/gk20a.h"
 #include "clk/clk.h"
 #include "perf/perf.h"
+#include "pmgr/pmgr.h"
 
 /*sw setup for pstate components*/
 int gk20a_init_pstate_support(struct gk20a *g)
@@ -49,6 +50,10 @@ int gk20a_init_pstate_support(struct gk20a *g)
                 return err;
 
         err = clk_prog_sw_setup(g);
+        if (err)
+                return err;
+
+        err = pmgr_domain_sw_setup(g);
         return err;
 }
 
@@ -100,6 +105,10 @@ int gk20a_init_pstate_pmu_support(struct gk20a *g)
                 return err;
 
         err = clk_set_boot_fll_clk(g);
+        if (err)
+                return err;
+
+        err = pmgr_domain_pmu_setup(g);
         return err;
 }