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 021BACD6E49 for ; Fri, 29 May 2026 18:42:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 29A6D112401; Fri, 29 May 2026 18:42:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kemnade.info header.i=@kemnade.info header.b="H9YxYmZj"; dkim-atps=neutral Received: from mail.andi.de1.cc (mail.andi.de1.cc [178.238.236.174]) by gabe.freedesktop.org (Postfix) with ESMTPS id A58C21123DD for ; Fri, 29 May 2026 18:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=kemnade.info; s=20220719; h=References:In-Reply-To:Cc:From:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID; bh=r6O2saHu9QWNwR1S6m0MWEBtKeQXFrATx6cudk1NYxU=; b=H9YxYmZjuw87AQ+ToQn8EvbegM 2dBHRmqMURd4y8UOa6tzDtezu3H3lAaon6w+26ugCQKuWkt3KKoERuIdrA88MhreqkBcgnk9YP8QB BRMX+RU6TS78R08zcC79SxP3nCaP1CV8eF2nNaICAsubwuTcvPgx9E/txSL5ahwuwi80kRqzQ4inW GPb9FMDh98crSRoYoNQsV8tKZmCpZvBWE9pYqxvLT9wBqZS9al4TPQJ4+g39/Qxa3cfbV+UGZCNYw Jeut3AZVS4oTCIdHEcBJtyBq+hHwWYRF38ZTVkfndArsgLwWabm87+NI6ZmXpDd9Jgxo9O5vJSJdg WN/A7Bkw==; Date: Fri, 29 May 2026 20:42:10 +0200 From: Andreas Kemnade To: Tomi Valkeinen Cc: Marek Vasut , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dave Stevenson Subject: Re: [PATCH v3 05/13] drm/bridge: tc358762: Drop SPICMR write Message-ID: <20260529204210.17b7622a@kemnade.info> In-Reply-To: <20260513-tc358762-fixes-v3-5-6698b55008b9@ideasonboard.com> References: <20260513-tc358762-fixes-v3-0-6698b55008b9@ideasonboard.com> <20260513-tc358762-fixes-v3-5-6698b55008b9@ideasonboard.com> X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; aarch64-unknown-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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 Wed, 13 May 2026 16:10:14 +0300 Tomi Valkeinen wrote: > Drop write to SPICMR. It's unclear why the write is there, as SPI is not > supported in the driver, and it's mostly just writing zeroes to already > zero fields (reset defaults). None of the zero bits written disable > anything wrt. SPI. > Would like to have SPI support here instead of dropping all remains of it. Do you have any information about it or an accessible SPI output from this chip so we can check what is happening there? Regards, Andreas