gpu: nvgpu: pmu HAL update

Update pmu HAL to check for pmu support.
pmu initialization will check for pmu support in
that platform.

JIRA GV11B-21

Change-Id: Ib55be58a1540862b7a91a6162544d10be85b5eb4
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1243911
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 13 insertions, 9 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 606dbc1f..87f47cd8 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -955,11 +955,13 @@ int gk20a_pm_finalize_poweron(struct device *dev)
                 goto done;
         }
 
-        if (g->ops.pmu.prepare_ucode)
-                err = g->ops.pmu.prepare_ucode(g);
-        if (err) {
-                gk20a_err(dev, "failed to init pmu ucode");
-                goto done;
+        if (g->ops.pmu.is_pmu_supported(g)) {
+                if (g->ops.pmu.prepare_ucode)
+                        err = g->ops.pmu.prepare_ucode(g);
+                if (err) {
+                        gk20a_err(dev, "failed to init pmu ucode");
+                        goto done;
+                }
         }
 
 #ifdef CONFIG_ARCH_TEGRA_18x_SOC
@@ -972,10 +974,12 @@ int gk20a_pm_finalize_poweron(struct device *dev)
         }
 #endif
 
-        err = gk20a_init_pmu_support(g);
-        if (err) {
-                gk20a_err(dev, "failed to init gk20a pmu");
-                goto done;
+        if (g->ops.pmu.is_pmu_supported(g)) {
+                err = gk20a_init_pmu_support(g);
+                if (err) {
+                        gk20a_err(dev, "failed to init gk20a pmu");
+                        goto done;
+                }
         }
 
         err = gk20a_init_gr_support(g);