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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: kuro <kuro.chung@ite.com.tw>,
	Pin-yen Lin <treapking@chromium.org>,
	Kenneth Haung <kenneth.hung@ite.com.tw>,
	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>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	Hermes Wu <hermes.wu@ite.com.tw>,
	Allen Chen <allen.chen@ite.com.tw>,
	"open list:DRM DRIVERS" <dri-devel@lists.freedesktop.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue
Date: Wed, 22 May 2024 09:13:35 +0200	[thread overview]
Message-ID: <36052284-6b17-4b3f-ab99-a01beed4c601@collabora.com> (raw)
In-Reply-To: <20240522065528.1053439-1-kuro.chung@ite.com.tw>

Il 22/05/24 08:55, kuro ha scritto:
> From: Kuro Chung <kuro.chung@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.
> 
> Fixes: b5c84a9edcd4 ("drm/bridge: add it6505 driver")
> Signed-off-by: Kuro Chung <kuro.chung@ite.com.tw>
> Signed-off-by: Hermes Wu <hermes.wu@ite.com.tw>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>



  reply	other threads:[~2024-05-22  7:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-22  6:55 [PATCH v13] drm/bridge: it6505: fix hibernate to resume no display issue kuro
2024-05-22  7:13 ` AngeloGioacchino Del Regno [this message]
2024-05-22 12:13 ` Robert Foss
2024-05-23  2:20   ` kuro.chung

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