1 files changed, 0 insertions, 25 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c b/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
index edddcdc1..52166b7f 100644
--- a/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fecs_trace_gk20a.c
@@ -62,9 +62,6 @@ struct gk20a_fecs_trace {
         DECLARE_HASHTABLE(pid_hash_table, GK20A_FECS_TRACE_HASH_BITS);
         struct mutex hash_lock;
         struct mutex poll_lock;
-        u64 sof;
-        u32 sof_mask; /* did we already send a SOF for this VM */
-
         struct task_struct *poll_task;
 };
 
@@ -271,18 +268,6 @@ static int gk20a_fecs_trace_ring_read(struct gk20a *g, int index)
         entry.context_id = r->context_id;
         entry.vmid = vmid;
 
-        /* insert SOF event if needed */
-        if (!(trace->sof_mask & BIT(vmid))) {
-                entry.tag = NVGPU_CTXSW_TAG_SOF;
-                entry.timestamp = trace->sof;
-                entry.context_id = 0;
-                entry.pid = 0;
-
-                gk20a_dbg(gpu_dbg_ctxsw, "SOF time=%llx", entry.timestamp);
-                gk20a_ctxsw_trace_write(g, &entry);
-                trace->sof_mask |= BIT(vmid);
-        }
-
         /* break out FECS record into trace events */
         for (i = 0; i < gk20a_fecs_trace_num_ts(); i++) {
 
@@ -364,9 +349,6 @@ static int gk20a_fecs_trace_poll(struct gk20a *g)
                 "circular buffer: read=%d (mailbox=%d) write=%d cnt=%d",
                 read, gk20a_fecs_trace_get_read_index(g), write, cnt);
 
-        /* we did not send any SOF yet */
-        trace->sof_mask = 0;
-
         /* consume all records */
         while (read != write) {
                 gk20a_fecs_trace_ring_read(g, read);
@@ -377,13 +359,6 @@ static int gk20a_fecs_trace_poll(struct gk20a *g)
         }
 
 done:
-        /*
-         * OK, we read out all the entries... a new "frame" starts here.
-         * We remember the Start Of Frame time and insert it on the next
-         * iteration.
-         */
-        trace->sof = gk20a_read_ptimer(g);
-
         mutex_unlock(&trace->poll_lock);
         gk20a_idle(g->dev);
         return err;