diff options
Diffstat (limited to 'drivers/video/tegra/host/host1x/host1x_channel.c')
| -rw-r--r-- | drivers/video/tegra/host/host1x/host1x_channel.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/host1x/host1x_channel.c b/drivers/video/tegra/host/host1x/host1x_channel.c index 98af5758df56..9e9fc25dc966 100644 --- a/drivers/video/tegra/host/host1x/host1x_channel.c +++ b/drivers/video/tegra/host/host1x/host1x_channel.c @@ -251,6 +251,18 @@ static int host1x_channel_submit(struct nvhost_job *job) goto error; } + if (ch->dev->serialize) { + /* Force serialization by inserting a host wait for the + * previous job to finish before this one can commence. */ + nvhost_cdma_push(&ch->cdma, + nvhost_opcode_setclass(NV_HOST1X_CLASS_ID, + host1x_uclass_wait_syncpt_r(), + 1), + nvhost_class_host_wait_syncpt(job->syncpt_id, + nvhost_syncpt_read_max(sp, + job->syncpt_id))); + } + submit_ctxsave(job, ctxsave_waiter, ch->cur_ctx); submit_ctxrestore(job); ch->cur_ctx = job->hwctx; |