[PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue
kuro.chung at ite.com.tw
kuro.chung at ite.com.tw
Thu May 23 02:20:10 UTC 2024
-----Original Message-----
From: Robert Foss <rfoss at kernel.org>
Sent: Wednesday, May 22, 2024 8:13 PM
To: Maxime Ripard <mripard at kernel.org>; Thomas Zimmermann <tzimmermann at suse.de>; Jonas Karlman <jonas at kwiboo.se>; Daniel Vetter <daniel at ffwll.ch>; AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>; Allen Chen <allen.chen at ite.com.tw>; Neil Armstrong <neil.armstrong at linaro.org>; Laurent Pinchart <Laurent.pinchart at ideasonboard.com>; Maarten Lankhorst <maarten.lankhorst at linux.intel.com>; David Airlie <airlied at gmail.com>; Kuro Chung (鐘仕廷) <kuro.chung at ite.com.tw>; Kenneth Hung (洪家倫) <Kenneth.Hung at ite.com.tw>; open list:DRM DRIVERS <dri-devel at lists.freedesktop.org>; Pin-yen Lin <treapking at chromium.org>; Andrzej Hajda <andrzej.hajda at intel.com>; Jernej Skrabec <jernej.skrabec at gmail.com>; open list <linux-kernel at vger.kernel.org>; Hermes Wu (吳佳宏) <Hermes.Wu at ite.com.tw>
Subject: Re: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue
On Wed, 22 May 2024 14:55:28 +0800, kuro wrote:
> From: Kuro Chung <kuro.chung at ite.com.tw>
>
> When the system power resumes, the TTL input of IT6505 may experience
> some noise before the video signal stabilizes, necessitating a video
> reset. This patch is implemented to prevent a loop of video error
> interrupts, which can occur when a video reset in the video FIFO error
> interrupt triggers another such interrupt. The patch processes the
> SCDT and FIFO error interrupts simultaneously and ignores any video
> FIFO error interrupts caused by a video reset.
>
> [...]
Applied, thanks!
> thanks everyone for your help!, I really appreciate it.
[1/1] drm/bridge: it6505: fix hibernate to resume no display issue
https://cgit.freedesktop.org/drm/drm-misc/commit/?id=484436ec5c2b
Rob
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