gpu: nvgpu: support platform specific TSG enable/disable

Add platform specific operations to enable/disable a TSG and use them instead
of directly calling enable/disable APIs

For gm20b/gp106/gp10b we continue to use gk20a_enable_tsg() and
gk20a_disable_tsg() as platform specific operations

Bug 1739362

Change-Id: I2dd0f38c8303757e8c7a47d8da0e30a790e514f0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1560635
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

3 files changed, 5 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 89862e63..d0d5c41f 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -200,7 +200,7 @@ int gk20a_enable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch)
 
         if (gk20a_is_channel_marked_as_tsg(ch)) {
                 tsg = &g->fifo.tsg[ch->tsgid];
-                gk20a_enable_tsg(tsg);
+                g->ops.fifo.enable_tsg(tsg);
         } else {
                 g->ops.fifo.enable_channel(ch);
         }
@@ -214,7 +214,7 @@ int gk20a_disable_channel_tsg(struct gk20a *g, struct channel_gk20a *ch)
 
         if (gk20a_is_channel_marked_as_tsg(ch)) {
                 tsg = &g->fifo.tsg[ch->tsgid];
-                gk20a_disable_tsg(tsg);
+                g->ops.fifo.disable_tsg(tsg);
         } else {
                 g->ops.fifo.disable_channel(ch);
         }
diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 7062a8a0..88ce6a83 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -1383,7 +1383,7 @@ void gk20a_fifo_abort_tsg(struct gk20a *g, u32 tsgid, bool preempt)
 
         gk20a_dbg_fn("");
 
-        gk20a_disable_tsg(tsg);
+        g->ops.fifo.disable_tsg(tsg);
 
         if (preempt)
                 g->ops.fifo.preempt_tsg(g, tsgid);
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index d2a752d7..4564b6e9 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -475,6 +475,8 @@ struct gpu_ops {
                 int (*resetup_ramfc)(struct channel_gk20a *c);
                 int (*preempt_channel)(struct gk20a *g, u32 chid);
                 int (*preempt_tsg)(struct gk20a *g, u32 tsgid);
+                int (*enable_tsg)(struct tsg_gk20a *tsg);
+                int (*disable_tsg)(struct tsg_gk20a *tsg);
                 int (*reschedule_runlist)(struct gk20a *g, u32 runlist_id);
                 int (*update_runlist)(struct gk20a *g, u32 runlist_id,
                                 u32 chid, bool add,