gpu: nvgpu: reorganize PMU init

- Moved PMU init code from pmu_gk20a.c to
"drivers/gpu/nvgpu/common/pmu/pmu.c" file
- Moved below related methods
  SW/HW init,
  init msg handler,
  deinit/destroy,
  PMU state machine
-Created HAL methods to read message queue tail
& supported mutex count.
-prepend with nvgpu_ for pmu init global
mehtods

JIRA NVGPU-56
JIRA NVGPU-92

Change-Id: Iea9efc194fefa74fb5641d2b2f4633577d2c3a47
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1480002
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index b038cd81..8624d601 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -24,6 +24,7 @@
 #include <nvgpu/timers.h>
 #include <nvgpu/soc.h>
 #include <nvgpu/enabled.h>
+#include <nvgpu/pmu.h>
 
 #include <trace/events/gk20a.h>
 
@@ -130,7 +131,7 @@ int gk20a_prepare_poweroff(struct gk20a *g)
 
         /* disable elpg before gr or fifo suspend */
         if (g->ops.pmu.is_pmu_supported(g))
-                ret |= gk20a_pmu_destroy(g);
+                ret |= nvgpu_pmu_destroy(g);
 
         ret |= gk20a_gr_suspend(g);
         ret |= gk20a_mm_suspend(g);
@@ -259,7 +260,7 @@ int gk20a_finalize_poweron(struct gk20a *g)
 #endif
 
         if (g->ops.pmu.is_pmu_supported(g)) {
-                err = gk20a_init_pmu_support(g);
+                err = nvgpu_init_pmu_support(g);
                 if (err) {
                         nvgpu_err(g, "failed to init gk20a pmu");
                         goto done;