RE: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue

[kuro.chung]

-----Original Message-----
From: Robert Foss <rfoss@xxxxxxxxxx> 
Sent: Wednesday, May 22, 2024 8:13 PM
To: Maxime Ripard <mripard@xxxxxxxxxx>; Thomas Zimmermann <tzimmermann@xxxxxxx>; Jonas Karlman <jonas@xxxxxxxxx>; Daniel Vetter <daniel@xxxxxxxx>; AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>; Allen Chen <allen.chen@xxxxxxxxxx>; Neil Armstrong <neil.armstrong@xxxxxxxxxx>; Laurent Pinchart <Laurent.pinchart@xxxxxxxxxxxxxxxx>; Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>; David Airlie <airlied@xxxxxxxxx>; Kuro Chung (鐘仕廷) <kuro.chung@xxxxxxxxxx>; Kenneth Hung (洪家倫) <Kenneth.Hung@xxxxxxxxxx>; open list:DRM DRIVERS <dri-devel@xxxxxxxxxxxxxxxxxxxxx>; Pin-yen Lin <treapking@xxxxxxxxxxxx>; Andrzej Hajda <andrzej.hajda@xxxxxxxxx>; Jernej Skrabec <jernej.skrabec@xxxxxxxxx>; open list <linux-kernel@xxxxxxxxxxxxxxx>; Hermes Wu (吳佳宏) <Hermes.Wu@xxxxxxxxxx>
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@xxxxxxxxxx>
> 
> 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