gpu: nvgpu: Register as subdomain of host1x

Add gk20a as a sub power domain of host1x. This enforces keeping
host1x on when using gk20a.

Bug 200003112

Change-Id: I08db595bc7b819d86d33fb98af0d8fb4de369463
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/407006
(cherry picked from commit 009812b3e510518740e9c7e89b8b8b80439fe26a)
Reviewed-on: http://git-master/r/408013
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index 7af801f8..3a739cb6 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -560,8 +560,6 @@ struct gk20a_platform gm20b_tegra_platform = {
         .devfreq_governor = "nvhost_podgov",
         .qos_id = PM_QOS_GPU_FREQ_MIN,
 
-        .channel_busy = gk20a_tegra_channel_busy,
-        .channel_idle = gk20a_tegra_channel_idle,
         .secure_alloc = gk20a_tegra_secure_alloc,
         .dump_platform_dependencies = gk20a_tegra_debug_dump,
 };