From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
To: Nicolas Dufresne <nicolas.dufresne@collabora.com>,
linux-media@vger.kernel.org,
Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Boris Brezillon <boris.brezillon@collabora.com>
Cc: kernel@collabora.com,
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
linux-rockchip@lists.infradead.org,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 1/5] media: rkvdec: Disable H.264 error detection
Date: Fri, 10 Jun 2022 16:26:06 +0300 [thread overview]
Message-ID: <dabcc9ff-2fec-2f84-936e-3e0b71ad7ca3@collabora.com> (raw)
In-Reply-To: <20220610125215.240539-2-nicolas.dufresne@collabora.com>
On 6/10/22 15:52, Nicolas Dufresne wrote:
> Quite often, the HW get stuck in error condition if a stream error
> was detected. As documented, the HW should stop immediately and self
> reset. There is likely a problem or a miss-understanding of the self
> self reset mechanism, as unless we make a long pause, the next command
> will then report an error even if there is no error in it.
>
> Disabling error detection fixes the issue, and let the decoder continue
> after an error. This patch is safe for backport into older kernels.
>
> Fixes: cd33c830448b ("media: rkvdec: Add the rkvdec driver")
> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
> ---
Nit: won't hurt to add the explicit stable tag if you'll make the v2.
Cc: stable@vger.kernel.org
--
Best regards,
Dmitry
next prev parent reply other threads:[~2022-06-10 13:26 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220610125215.240539-1-nicolas.dufresne@collabora.com>
2022-06-10 12:52 ` [PATCH v1 1/5] media: rkvdec: Disable H.264 error detection Nicolas Dufresne
2022-06-10 13:26 ` Dmitry Osipenko [this message]
2022-06-10 16:39 ` Brian Norris
2022-06-27 17:44 ` Ezequiel Garcia
2022-06-10 12:52 ` [PATCH v1 2/5] media: rkvdec: Add an ops to check for decode errors Nicolas Dufresne
2022-06-14 14:44 ` Hans Verkuil
2022-06-14 16:14 ` Nicolas Dufresne
2022-11-24 10:28 ` Hans Verkuil
2022-06-10 12:52 ` [PATCH v1 3/5] media: rkvdec: Fix RKVDEC_ERR_PKT_NUM macro Nicolas Dufresne
2022-06-10 12:52 ` [PATCH v1 4/5] media: rkvdec: Re-enable H.264 error detection Nicolas Dufresne
2022-06-10 13:20 ` Dan Carpenter
2022-06-10 13:48 ` Dmitry Osipenko
2022-06-10 16:23 ` Nicolas Dufresne
2022-06-10 15:01 ` Ezequiel Garcia
2022-06-10 16:38 ` Nicolas Dufresne
2022-06-11 12:08 ` Alex Bee
2022-06-13 13:09 ` Nicolas Dufresne
2022-06-10 12:52 ` [PATCH v1 5/5] media: rkvdec: Improve error handling Nicolas Dufresne
2022-06-10 19:14 ` Sebastian Fricke
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