linux-kernel - Re: [PATCH] drm/bridge: lontium-lt8912b: Do not generate HFP

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Message-ID: <20250911153453.GA80715@francesco-nb>
Date: Thu, 11 Sep 2025 17:34:53 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: max.oss.09@...il.com
Cc: Max Krummenacher <max.krummenacher@...adex.com>,
	Adrien Grassein <adrien.grassein@...il.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	David Airlie <airlied@...il.com>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Jonas Karlman <jonas@...boo.se>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>, Simona Vetter <simona@...ll.ch>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/bridge: lontium-lt8912b: Do not generate HFP

Hello all,

On Mon, Jul 28, 2025 at 05:00:50PM +0200, max.oss.09@...il.com wrote:
> From: Max Krummenacher <max.krummenacher@...adex.com>
> 
> The datasheet of lontium-lt8912b doesn't require blanking during
> the HFP period. Thus use LP during HFP.
> 
> Tested with a samsung-dsim (i.MX8 MM) and a tc358768 DPI to DSI bridge
> as the DSI host.
> 
> Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com>

Just a gently ping on this

Francesco