gpu: nvgpu: add support for t19x tsg/channel

Required modifications to add t19x channel
specific info and handle t19x tsg requests.

Bug 1842197

Change-Id: I0f8bcce20edea8f2f9a01e5bf5a9e4181af54875
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master/r/1511144
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index bca201cf..87923537 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -858,6 +858,10 @@ struct channel_gk20a *gk20a_open_new_channel(struct gk20a *g,
         ch->obj_class = 0;
         ch->interleave_level = NVGPU_RUNLIST_INTERLEAVE_LEVEL_LOW;
         ch->timeslice_us = g->timeslice_low_priority_us;
+#ifdef CONFIG_TEGRA_19x_GPU
+        memset(&ch->t19x, 0, sizeof(struct channel_t19x));
+#endif
+
 
         /* The channel is *not* runnable at this point. It still needs to have
          * an address space bound and allocate a gpfifo and grctx. */