gpu: nvgpu: add tsg_open HAL interface

Add HAL interface for TSG open, which is intended to
be called from the exisiting gk20a_tsg_open function.

The tsg_open entryoint is only implemented for vgpu,
as the server needs to clear metadata when a tsg is opened.

Bug 200215060

Change-Id: Icc8fd602f31e52d9fa9b2e7786b665b9e7b9294e
Signed-off-by: Sachit Kadle <skadle@nvidia.com>
Reviewed-on: http://git-master/r/1249218
(cherry picked from commit 35c86f7c796c6574d3dc336e20012ea5c16d7cb4)
Reviewed-on: http://git-master/r/1256468
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index ed3a1d2d..f492801e 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -392,6 +392,7 @@ struct gpu_ops {
                 int (*tsg_bind_channel)(struct tsg_gk20a *tsg,
                                 struct channel_gk20a *ch);
                 int (*tsg_unbind_channel)(struct channel_gk20a *ch);
+                int (*tsg_open)(struct tsg_gk20a *tsg);
                 u32 (*eng_runlist_base_size)(void);
                 int (*init_engine_info)(struct fifo_gk20a *f);
                 u32 (*runlist_entry_size)(void);