gpu: nvgpu: Remove support for channel events

Remove support for events for bare channels. All users have already
moved to TSGs and TSG events.

Bug 1842197

Change-Id: Ib3ff68134ad9515ee761d0f0e19a3150a0b744ab
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1618906
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
index 5e2b9b82..08fe0365 100644
--- a/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/tsg_gk20a.h
@@ -87,5 +87,24 @@ u32 gk20a_tsg_get_timeslice(struct tsg_gk20a *tsg);
 int gk20a_tsg_set_priority(struct gk20a *g, struct tsg_gk20a *tsg,
                                 u32 priority);
 
+struct gk20a_event_id_data {
+        struct gk20a *g;
+
+        int id; /* ch or tsg */
+        u32 event_id;
+
+        bool event_posted;
+
+        struct nvgpu_cond event_id_wq;
+        struct nvgpu_mutex lock;
+        struct nvgpu_list_node event_id_node;
+};
+
+static inline struct gk20a_event_id_data *
+gk20a_event_id_data_from_event_id_node(struct nvgpu_list_node *node)
+{
+        return (struct gk20a_event_id_data *)
+                ((uintptr_t)node - offsetof(struct gk20a_event_id_data, event_id_node));
+};
 
 #endif /* __TSG_GK20A_H_ */