From: Marek Vasut <marex@denx.de>
To: Herve Codina <herve.codina@bootlin.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>,
Neil Armstrong <neil.armstrong@linaro.org>,
Robert Foss <rfoss@kernel.org>,
Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
Jonas Karlman <jonas@kwiboo.se>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Michael Walle <mwalle@kernel.org>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH 2/2] drm: bridge: ti-sn65dsi83: Add error recovery mechanism
Date: Mon, 28 Oct 2024 12:47:14 +0100 [thread overview]
Message-ID: <16edb769-a608-4b6a-9391-a63a69df8c8d@denx.de> (raw)
In-Reply-To: <20241028090220.1fd803ff@bootlin.com>
On 10/28/24 9:02 AM, Herve Codina wrote:
> Hi Marek,
Hi,
> On Sat, 26 Oct 2024 00:53:51 +0200
> Marek Vasut <marex@denx.de> wrote:
>
>> On 10/24/24 11:55 AM, Herve Codina wrote:
>>> In some cases observed during ESD tests, the TI SN65DSI83 cannot recover
>>> from errors by itself. A full restart of the bridge is needed in those
>>> cases to have the bridge output LVDS signals again.
>>
>> I have seen the bridge being flaky sometimes, do you have any more
>> details of what is going on when this irrecoverable error occurs ?
>
> The panel attached to the bridge goes and stays black. That's the behavior.
> A full reset brings the panel back displaying frames.
Is there some noticeable change in 0xe0/0xe1/0xe5 registers, esp. 0xe5,
do they indicate the error occurred somehow ?
next prev parent reply other threads:[~2024-10-28 12:28 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-24 9:55 [PATCH 0/2] Add support for errors recovery in the TI SN65DSI83 bridge driver Herve Codina
2024-10-24 9:55 ` [PATCH 1/2] dt-bindings: display: bridge: sn65dsi83: Add interrupt Herve Codina
2024-10-24 16:30 ` Conor Dooley
2024-10-27 15:01 ` Laurent Pinchart
2024-10-24 9:55 ` [PATCH 2/2] drm: bridge: ti-sn65dsi83: Add error recovery mechanism Herve Codina
2024-10-25 22:53 ` Marek Vasut
2024-10-28 8:02 ` Herve Codina
2024-10-28 11:47 ` Marek Vasut [this message]
2024-10-28 13:52 ` Herve Codina
2024-10-28 14:47 ` Marek Vasut
2024-10-28 18:19 ` Herve Codina
2024-10-27 16:23 ` Laurent Pinchart
2024-10-28 8:13 ` Herve Codina
2024-10-28 11:28 ` Laurent Pinchart
2024-10-28 12:21 ` Maxime Ripard
2024-10-28 13:28 ` Laurent Pinchart
2024-10-28 13:55 ` Maxime Ripard
2024-10-28 14:09 ` Laurent Pinchart
2024-11-05 8:15 ` Herve Codina
2024-11-05 9:47 ` Laurent Pinchart
2024-11-05 9:58 ` Maxime Ripard
2024-10-28 9:16 ` Maxime Ripard
2024-10-29 8:02 ` Andy Yan
2024-10-29 8:28 ` Maxime Ripard
2024-10-28 8:28 ` Dan Carpenter
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