gpu: nvgpu: gv11b: enable rail gating

Enable gpu rail gating with idle delay of 500msec.

Bug 2051863

Change-Id: I1bdfc1b3db38dff871cd5d62542dd51efbd07496
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1640557
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c b/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
index bc40d0dd..0e8e173f 100644
--- a/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
+++ b/drivers/gpu/nvgpu/common/linux/platform_gv11b_tegra.c
@@ -219,6 +219,8 @@ struct gk20a_platform gv11b_tegra_platform = {
         .probe = gv11b_tegra_probe,
         .late_probe = gv11b_tegra_late_probe,
         .remove = gv11b_tegra_remove,
+        .railgate_delay_init    = 500,
+        .can_railgate_init      = true,
 
         .can_slcg               = true,
         .can_blcg               = true,