How can i camera display in lowest lantency?

[ShaneCCC]

Please apply below patches to verify.

(tx2)the camera delay N+2 frame

Hi, Please have a try to reduce the QUEUED_BUFFERS to try. kernel/nvidia/include/media/mc_common.h

(tx2)the camera delay N+2 frame

Hi, Please have a try this patch for modify QUEUED_BUFFERS 2 diff --git a/drivers/media/platform/tegra/camera/vi/channel.c b/drivers/media/platform/tegra/camera/vi/channel.c index 0a07f9d..057678f 100644 --- a/drivers/media/platform/tegra/camera/vi/channel.c +++ b/drivers/media/platform/tegra/camera/vi/channel.c @@ -525,7 +525,7 @@ static void add_buffer_to_ring(struct tegra_channel *chan, static void update_state_to_buffer(struct tegra_channel *chan, int state) { - int save_index = …

(tx2)the camera delay N+2 frame

Try this patch for the shake problem. diff --git a/drivers/media/platform/tegra/camera/vi/vi4_fops.c b/drivers/media/platform/tegra/camera/vi/vi4_fops.c index 9bcae78..e481552 100644 --- a/drivers/media/platform/tegra/camera/vi/vi4_fops.c +++ b/drivers/media/platform/tegra/camera/vi/vi4_fops.c @@ -206,7 +206,7 @@ static bool vi_notify_wait(struct tegra_channel *chan, */ for (i = 0; i < chan->valid_ports; i++) { err = nvhost_syncpt_wait_timeout_ext(chan->vi->ndev…