gpu: nvgpu: Boot FECS to secure mode

Boot FECS to secure mode if ACR is enabled.

Bug 200006956

Change-Id: Ifc107704a6456af837b7f6c513c04d152b2f4d3a
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/424251

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 5305f612..2310b81c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -897,6 +897,12 @@ static int gk20a_pm_finalize_poweron(struct device *dev)
                 goto done;
         }
 
+        err = gk20a_enable_gr_hw(g);
+        if (err) {
+                gk20a_err(dev, "failed to enable gr");
+                goto done;
+        }
+
         err = g->ops.pmu.prepare_ucode(g);
         if (err) {
                 gk20a_err(dev, "failed to init pmu ucode");