gpu : nvgpu: Update sub-feature mask for ELPG.

This patch also adds new interface for GR INIT PARAM cmd
and adds new pmu command to update sub-feature mask for ELPG.

JIRA GPUT19X-20.

Change-Id: Id3b3b65882c714f80a05de5660895258b26a08bd
Signed-off-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-on: http://git-master/r/1503141
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/drivers/gpu/nvgpu/common/pmu/pmu_pg.c b/drivers/gpu/nvgpu/common/pmu/pmu_pg.c
index 046f4d59..47ac8b64 100644
--- a/drivers/gpu/nvgpu/common/pmu/pmu_pg.c
+++ b/drivers/gpu/nvgpu/common/pmu/pmu_pg.c
@@ -60,19 +60,19 @@ static void pmu_handle_pg_elpg_msg(struct gk20a *g, struct pmu_msg *msg,
         case PMU_PG_ELPG_MSG_ALLOW_ACK:
                 nvgpu_pmu_dbg(g, "ALLOW is ack from PMU, eng - %d",
                         elpg_msg->engine_id);
-                if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_GRAPHICS)
-                        pmu->elpg_stat = PMU_ELPG_STAT_ON;
-                else if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_MS)
+                if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_MS)
                         pmu->mscg_transition_state = PMU_ELPG_STAT_ON;
+                else
+                        pmu->elpg_stat = PMU_ELPG_STAT_ON;
                 break;
         case PMU_PG_ELPG_MSG_DISALLOW_ACK:
                 nvgpu_pmu_dbg(g, "DISALLOW is ack from PMU, eng - %d",
                         elpg_msg->engine_id);
 
-                if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_GRAPHICS)
-                        pmu->elpg_stat = PMU_ELPG_STAT_OFF;
-                else if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_MS)
+                if (elpg_msg->engine_id == PMU_PG_ELPG_ENGINE_ID_MS)
                         pmu->mscg_transition_state = PMU_ELPG_STAT_OFF;
+                else
+                        pmu->elpg_stat = PMU_ELPG_STAT_OFF;
 
                 if (pmu->pmu_state == PMU_STATE_ELPG_BOOTING) {
                         if (g->ops.pmu.pmu_pg_engines_feature_list &&
@@ -412,6 +412,9 @@ static int pmu_pg_init_send(struct gk20a *g, u32 pg_engine_id)
         gk20a_pmu_cmd_post(g, &cmd, NULL, NULL, PMU_COMMAND_QUEUE_HPQ,
                 pmu_handle_pg_elpg_msg, pmu, &seq, ~0);
 
+        if (g->ops.pmu.pmu_pg_set_sub_feature_mask)
+                g->ops.pmu.pmu_pg_set_sub_feature_mask(g, pg_engine_id);
+
         return 0;
 }