gpu: nvgpu: update mclk support

- Update payload interface to support mclk
- Call mclk after gr init complete

JIRA DNVGPU-85

Change-Id: I14c5c6cb438f1a7d56d96daa0fafc09d6abef46b
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: http://git-master/r/1205461
(cherry picked from commit f1bf1ec946aaacae40ecb405341eb2e169cf5754)
Reviewed-on: http://git-master/r/1217989
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 10fa86a1..47ce220f 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -968,6 +968,14 @@ int gk20a_pm_finalize_poweron(struct device *dev)
                 goto done;
         }
 
+        if (g->ops.pmu.mclk_init) {
+                err = g->ops.pmu.mclk_init(g);
+                if (err) {
+                        gk20a_err(dev, "failed to set mclk");
+                        /* Indicate error dont goto done */
+                }
+        }
+
         err = gk20a_init_therm_support(g);
         if (err) {
                 gk20a_err(dev, "failed to init gk20a therm");