nvgpu: gpu: arbiter for vf switch management

JIRA DNVGPU-143

(1) Added conversion routines in ctrl_gk20a.c to
do conversions between Hz and MHZ
(2) Use new api to prevent corruption of requests
is multiple threads on same session commit
simultaneously

Change-Id: I87875e593d2cc90647d5c4f60a4e293ed3ea6b83
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1239460
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1267152
Reviewed-by: Automatic_Commit_Validation_User

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index df57ec7c..68a358d8 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -972,12 +972,6 @@ int gk20a_pm_finalize_poweron(struct device *dev)
                         goto done;
                 }
         }
-
-        err = nvgpu_clk_arb_init_arbiter(g);
-        if (err) {
-                gk20a_err(dev, "failed to init clk arb");
-                goto done;
-        }
 #endif
 
         if (g->ops.pmu.is_pmu_supported(g)) {
@@ -1010,6 +1004,12 @@ int gk20a_pm_finalize_poweron(struct device *dev)
                         goto done;
                 }
         }
+
+        err = nvgpu_clk_arb_init_arbiter(g);
+        if (err) {
+                gk20a_err(dev, "failed to init clk arb");
+                goto done;
+        }
 #endif
 
         err = gk20a_init_therm_support(g);