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, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
index 4fafc8f1..d501163f 100644
--- a/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/pmu_gm20b.c
@@ -294,6 +294,8 @@ void gm20b_init_pmu_ops(struct gpu_ops *gops)
         gops->pmu.pmu_get_queue_tail_size = pwr_pmu_queue_tail__size_1_v;
         gops->pmu.pmu_queue_head = gk20a_pmu_queue_head;
         gops->pmu.pmu_queue_tail = gk20a_pmu_queue_tail;
+        gops->pmu.pmu_msgq_tail = gk20a_pmu_msgq_tail;
+        gops->pmu.pmu_mutex_size = pwr_pmu_mutex__size_1_v;
         gops->pmu.pmu_mutex_acquire = gk20a_pmu_mutex_acquire;
         gops->pmu.pmu_mutex_release = gk20a_pmu_mutex_release;
         gops->pmu.lspmuwprinitdone = 0;