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, 9 insertions, 14 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.c b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.c
index 3ff68ec2..7900f53f 100644
--- a/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/common/linux/vgpu/vgpu.c
@@ -125,27 +125,22 @@ int vgpu_get_attribute(u64 handle, u32 attrib, u32 *value)
 static void vgpu_handle_channel_event(struct gk20a *g,
                         struct tegra_vgpu_channel_event_info *info)
 {
+        struct tsg_gk20a *tsg;
+
+        if (!info->is_tsg) {
+                nvgpu_err(g, "channel event posted");
+                return;
+        }
+
         if (info->id >= g->fifo.num_channels ||
                 info->event_id >= NVGPU_IOCTL_CHANNEL_EVENT_ID_MAX) {
                 nvgpu_err(g, "invalid channel event");
                 return;
         }
 
-        if (info->is_tsg) {
-                struct tsg_gk20a *tsg = &g->fifo.tsg[info->id];
+        tsg = &g->fifo.tsg[info->id];
 
-                gk20a_tsg_event_id_post_event(tsg, info->event_id);
-        } else {
-                struct channel_gk20a *ch = &g->fifo.channel[info->id];
-
-                if (!gk20a_channel_get(ch)) {
-                        nvgpu_err(g, "invalid channel %d for event %d",
-                                        (int)info->id, (int)info->event_id);
-                        return;
-                }
-                gk20a_channel_event_id_post_event(ch, info->event_id);
-                gk20a_channel_put(ch);
-        }
+        gk20a_tsg_event_id_post_event(tsg, info->event_id);
 }