linux-kernel - Re: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue

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Message-Id: <171637999486.1598011.4983921044000498146.b4-ty@kernel.org>
Date: Wed, 22 May 2024 14:13:14 +0200
From: Robert Foss <rfoss@...nel.org>
To: Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, Jonas Karlman <jonas@...boo.se>,
 Daniel Vetter <daniel@...ll.ch>, AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Allen Chen <allen.chen@....com.tw>, Neil Armstrong <neil.armstrong@...aro.org>,
 Laurent Pinchart <Laurent.pinchart@...asonboard.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 David Airlie <airlied@...il.com>, kuro <kuro.chung@....com.tw>, Kenneth Haung <kenneth.hung@....com.tw>,
 "open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>, Pin-yen Lin <treapking@...omium.org>,
 Andrzej Hajda <andrzej.hajda@...el.com>, Jernej Skrabec <jernej.skrabec@...il.com>,
 open list <linux-kernel@...r.kernel.org>, Hermes Wu <hermes.wu@....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@....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!

[1/1] drm/bridge: it6505: fix hibernate to resume no display issue
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=484436ec5c2b



Rob