Re: [PATCH v5 5/8] media: staging: tegra-vde: Bump BSEV DMA timeout

From: Dmitry Osipenko
Date: Sun Feb 20 2022 - 17:53:58 EST


20.02.2022 23:46, Dmitry Osipenko пишет:
> BSEV DMA timeouts if VDE is downclocked by x10. Bump the timeout to allow
> DMA to complete. We don't support freq scaling yet, this is just a minor
> improvement which may become useful sometime later.
>
> Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> ---
> drivers/staging/media/tegra-vde/h264.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/tegra-vde/h264.c b/drivers/staging/media/tegra-vde/h264.c
> index a46c648a26c6..d8e5534e80c8 100644
> --- a/drivers/staging/media/tegra-vde/h264.c
> +++ b/drivers/staging/media/tegra-vde/h264.c
> @@ -135,7 +135,7 @@ static int tegra_vde_wait_bsev(struct tegra_vde *vde, bool wait_dma)
> return 0;
>
> err = readl_relaxed_poll_timeout(vde->bsev + INTR_STATUS, value,
> - !(value & BSE_DMA_BUSY), 1, 100);
> + !(value & BSE_DMA_BUSY), 1, 1000);
> if (err) {
> dev_err(dev, "BSEV DMA timeout\n");
> return err;

For the reference: This is a new patch in v4/v5 and I didn't intend to
include it into this patchset, it happened by accident. On the other
hand, this patch is harmless, so it's okay to keep it.