gpu: nvgpu: pg mscg state update

- Added mscg_transition_state to know
 mscg allow/disallow status
- reused ELPG state transition defines
 for mscg state transition

JIRA DNVGPU-71

Change-Id: Ie0214a174ceecf7e97a1086f53fd965b0b655d14
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1253508
(cherry picked from commit 726dde9cff1da38525518a91e756598a5ab71f73)
Reviewed-on: http://git-master/r/1271617
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index d7ab928b..0a1d2ba3 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -748,6 +748,7 @@ struct pmu_gk20a {
         u32 elpg_stat;
 
         u32 mscg_stat;
+        u32 mscg_transition_state;
 
         int pmu_state;