nvgpu:Added PROD settings for ELPG sequencing

Added PROD settings for ELPG sequencing registers

Bug 200023161

Change-Id: Id313f9bc800d3a57f45aff0f0f609887565971be
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
index 068611e3..7c441f53 100644
--- a/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/pmu_gk20a.c
@@ -2280,8 +2280,12 @@ static void pmu_setup_hw_enable_elpg(struct gk20a *g)
         /* Save zbc table after PMU is initialized. */
         gr_gk20a_pmu_save_zbc(g, 0xf);
 
-        if (g->elpg_enabled)
+        if (g->elpg_enabled) {
+                /* Init reg with prod values*/
+                if (g->ops.pmu.pmu_setup_elpg)
+                        g->ops.pmu.pmu_setup_elpg(g);
                 gk20a_pmu_enable_elpg(g);
+        }
 
         udelay(50);
 
@@ -2296,6 +2300,7 @@ void gk20a_init_pmu_ops(struct gpu_ops *gops)
 {
         gops->pmu.prepare_ucode = gk20a_prepare_ucode;
         gops->pmu.pmu_setup_hw_and_bootstrap = gk20a_init_pmu_setup_hw1;
+        gops->pmu.pmu_setup_elpg = NULL;
 }
 
 int gk20a_init_pmu_support(struct gk20a *g)