3 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index ff8ffc4f..5e2344cf 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -610,6 +610,8 @@ struct gpu_ops {
                 u32 (*pmu_pg_supported_engines_list)(struct gk20a *g);
                 u32 (*pmu_pg_engines_feature_list)(struct gk20a *g,
                         u32 pg_engine_id);
+                bool (*pmu_is_lpwr_feature_supported)(struct gk20a *g,
+                        u32 feature_id);
                 int (*pmu_lpwr_enable_pg)(struct gk20a *g, bool pstate_lock);
                 int (*pmu_lpwr_disable_pg)(struct gk20a *g, bool pstate_lock);
                 u32 (*pmu_pg_param_post_init)(struct gk20a *g);
diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index 1aa423a8..ef6a5943 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -3302,6 +3302,7 @@ void gk20a_init_pmu_ops(struct gpu_ops *gops)
         gops->pmu.pmu_pg_init_param = NULL;
         gops->pmu.pmu_pg_supported_engines_list = gk20a_pmu_pg_engines_list;
         gops->pmu.pmu_pg_engines_feature_list = gk20a_pmu_pg_feature_list;
+        gops->pmu.pmu_is_lpwr_feature_supported = NULL;
         gops->pmu.pmu_lpwr_enable_pg = NULL;
         gops->pmu.pmu_lpwr_disable_pg = NULL;
         gops->pmu.pmu_pg_param_post_init = NULL;
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 */