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gpu: nvgpu: skip nvgpu syncpoint in usermode submits

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The nvgpu managed syncpoint is not needed for anything if a channel uses
usermode submits; in that case the channel would allocate an
user-managed syncpoint and use that. Create the channel sync in
nvgpu_channel_setup_bind() only if usermode submit is not enabled.

Bug 200466905

Change-Id: I976f4b4fd0c3131cb310c72b286329fb16f1f29a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1990270
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2019-01-08 16:53:54 +02:00
committed by mobile promotions
parent b75ee294d5
commit d1d1f56c49
1 changed files with 13 additions and 13 deletions
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26
drivers/gpu/nvgpu/common/fifo/channel.c
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@@ -1245,22 +1245,22 @@ int nvgpu_channel_setup_bind(struct channel_gk20a *c,
if (!c->usermode_submit_enabled) { if (!c->usermode_submit_enabled) {
g->ops.fifo.setup_userd(c); g->ops.fifo.setup_userd(c);
}
if (g->aggressive_sync_destroy_thresh == 0U) { if (g->aggressive_sync_destroy_thresh == 0U) {
nvgpu_mutex_acquire(&c->sync_lock); nvgpu_mutex_acquire(&c->sync_lock);
c->sync = nvgpu_channel_sync_create(c, false); c->sync = nvgpu_channel_sync_create(c, false);
if (c->sync == NULL) { if (c->sync == NULL) {
err = -ENOMEM; err = -ENOMEM;
nvgpu_mutex_release(&c->sync_lock);
goto clean_up_unmap;
}
nvgpu_mutex_release(&c->sync_lock); nvgpu_mutex_release(&c->sync_lock);
goto clean_up_unmap;
}
nvgpu_mutex_release(&c->sync_lock);
if (g->ops.fifo.resetup_ramfc != NULL) { if (g->ops.fifo.resetup_ramfc != NULL) {
err = g->ops.fifo.resetup_ramfc(c); err = g->ops.fifo.resetup_ramfc(c);
if (err != 0) { if (err != 0) {
goto clean_up_sync; goto clean_up_sync;
}
} }
} }
} }