gpu: nvgpu: HAL to query LPWR feature support

HAL to query LPWR feautre's RPPG/MSCG support
based on current pstate configured.

JIRA DNVGPU-71

Change-Id: I58a34c6dca68e3eb76e222bd781578bf682eac34
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1283916
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
index 0a1d2ba3..daa050af 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.h
@@ -647,6 +647,9 @@ struct pmu_pg_stats {
 #define PMU_PG_ELPG_ENGINE_ID_INVALID_ENGINE (0x00000005)
 #define PMU_PG_ELPG_ENGINE_MAX    PMU_PG_ELPG_ENGINE_ID_INVALID_ENGINE
 
+#define PMU_PG_LPWR_FEATURE_RPPG 0x0
+#define PMU_PG_LPWR_FEATURE_MSCG 0x1
+
 /* state transition :
     OFF => [OFF_ON_PENDING optional] => ON_PENDING => ON => OFF
     ON => OFF is always synchronized */