gpu: nvgpu: remove duplicated busy in debugger

On the past, we had separate calls for platform and channel busy, but
those got removed. The result is that in the debugger code we have
essentially a double busy call int the powergating enable/disable.

This change removes it

bug 200277762
JIRA: EVLR-1023

Change-Id: Iba70b81700f27b847e1d0222fb69ed1a7a883342
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1323220
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit

1 files changed, 1 insertions, 5 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index 12d81343..fb70c88b 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -1287,10 +1287,6 @@ static int dbg_set_powergate(struct dbg_session_gk20a *dbg_s, u32  powermode)
                         if (err)
                                 return err;
 
-                        err = gk20a_busy(dbg_s->dev);
-                        if (err)
-                                return -EPERM;
-
                         /*do elpg disable before clock gating */
                         gk20a_pmu_pg_global_enable(g, false);
 
@@ -1342,7 +1338,6 @@ static int dbg_set_powergate(struct dbg_session_gk20a *dbg_s, u32  powermode)
                         gk20a_pmu_pg_global_enable(g, true);
 
                         gk20a_dbg(gpu_dbg_gpu_dbg | gpu_dbg_fn, "module idle");
-                        gk20a_idle(dbg_s->dev);
                         gk20a_idle(g->dev);
                 }
 
@@ -1438,6 +1433,7 @@ static int nvgpu_dbg_gpu_ioctl_hwpm_ctxsw_mode(struct dbg_session_gk20a *dbg_s,
                         "session doesn't have a valid reservation");
         }
 
+
         err = gk20a_busy(g->dev);
         if (err) {
                 gk20a_err(dev_from_gk20a(g), "failed to poweron");