gpu: nvgpu: correct channel open sequence

Corrected sequence to bind and enable channel
only afer channel gpfifo alloction done.

Bug 1591647

Change-Id: I539458d1b666c0403cca1abcf8271b9c8c09f52c
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/671208
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 648450ae..b8f769a4 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -769,7 +769,6 @@ struct channel_gk20a *gk20a_open_new_channel(struct gk20a *g)
 
                 return NULL;
         }
-        g->ops.fifo.bind_channel(ch);
         ch->pid = current->pid;
 
         /* By default, channel is regular (non-TSG) channel */
@@ -1217,6 +1216,8 @@ int gk20a_alloc_channel_gpfifo(struct channel_gk20a *c,
         if (err)
                 goto clean_up_unmap;
 
+        g->ops.fifo.bind_channel(c);
+
         gk20a_free_sgtable(&sgt);
 
         gk20a_dbg_fn("done");