gpu: nvgpu: APIs to enable/disable TSG

export below APIs for TSGs :

gk20a_enable_tsg() - enable only TSG
gk20a_disable_tsg() - disable only TSG

gk20a_enable_channel_tsg() -
if channel is part of TSG, enable TSG
otherwise enable channel

gk20a_disable_channel_tsg() -
if channel is part of TSG, disable TSG
otherwise disable channel

Bug 200156699

Change-Id: Icdaca35235c3f323687f839fe32c6c5fe964b230
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/927131
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
index 91ae0e7a..4f0632dd 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.h
@@ -205,6 +205,9 @@ void gk20a_channel_semaphore_wakeup(struct gk20a *g);
 int gk20a_channel_alloc_priv_cmdbuf(struct channel_gk20a *c, u32 size,
                              struct priv_cmd_entry **entry);
 
+int gk20a_enable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch);
+int gk20a_disable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch);
+
 int gk20a_channel_suspend(struct gk20a *g);
 int gk20a_channel_resume(struct gk20a *g);