From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 76149C02194 for ; Thu, 6 Feb 2025 13:05:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E853110E2A4; Thu, 6 Feb 2025 13:05:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="VNxLhGyH"; dkim-atps=neutral Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by gabe.freedesktop.org (Postfix) with ESMTPS id A1CC010E2A4 for ; Thu, 6 Feb 2025 13:05:08 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 9257FA4423B; Thu, 6 Feb 2025 13:03:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA308C4CEDD; Thu, 6 Feb 2025 13:05:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1738847107; bh=W5AM9RZgg67GctX9POakdPYKIrGtt44fCA6cr2QIVSs=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=VNxLhGyHzxicglO/D5ivZIdSr/a93Mw7FYISk0ur0L+3tzsAuN/rzAcAXyOOb8ZRo aObTLjrNmcAou3cDDtxAN1CWE/ZOtshMUERgMTwb2njUdvTUMOq3qO4O1ZHD0EY6Cp xkVmBmlx6p4kuaXzGeF26Ivx/BUP0PGr/MwXYtJtZm++1wAwBKKKug/lTHWVUXNHKa 3/mMDkGQDaXb1YItsZ9va2pNR5YfpzdKsyS6fP6Y0bpLJCkbK9P5NbaOogE5RZNUV6 vOxXh39z9lzDCoy1a2lZbMdTI0Yt5qX8h4fxvWoYSf7Xqs+5ksyWzolVDE/+s+pfEo 9k6B+CyOAU9zA== Message-ID: <5ef3905745ce4cc4ad43135c1e6a666e@kernel.org> Date: Thu, 06 Feb 2025 13:05:04 +0000 From: "Maxime Ripard" To: "Herve Codina" Subject: Re: [PATCH v5 4/4] drm: bridge: ti-sn65dsi83: Add error recovery mechanism In-Reply-To: <20250203161607.223731-5-herve.codina@bootlin.com> References: <20250203161607.223731-5-herve.codina@bootlin.com> Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "Alexander Stein" , "Andrzej Hajda" , "Conor Dooley" , "Dave Stevenson" , "David Airlie" , "Jernej Skrabec" , "Jonas Karlman" , "Krzysztof Kozlowski" , "Laurent Pinchart" , "Louis Chauvet" , "Luca Ceresoli" , "Maarten Lankhorst" , "Marek Vasut" , "Maxime Ripard" , =?utf-8?b?TWHDrXJhIENhbmFs?= , "Neil Armstrong" , "Raspberry Pi Kernel Maintenance" , "Rob Herring" , "Robert Foss" , "Simona Vetter" , "Thomas Petazzoni" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Mon, 3 Feb 2025 17:16:06 +0100, Herve Codina wrote: > In some cases observed during ESD tests, the TI SN65DSI83 cannot recover > from errors by itself. A full restart of the bridge is needed in those > cases to have the bridge output LVDS signals again. > > Also, during tests, cases were observed where reading the status of the > > [ ... ] Reviewed-by: Maxime Ripard Thanks! Maxime