From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-102.mailbox.org (mout-p-102.mailbox.org [80.241.56.152]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBF7B421A11; Tue, 3 Mar 2026 13:00:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.152 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772542832; cv=none; b=NyZjlBgek+P9ng5zyOaF32uFXOXDW6oDVEpT5fp6xlz3FMEdEgj9F6mnWe7ngTx3jPY4FT2/qCysxpPWCRvqsqT8ed+jNDgosJoFHydb5CB0VMT3oijyJv0Q59wi989wAXFyFI5EMCE8pcsCPTZIo2OrP+8q1y4OS6fQTr4YDuk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772542832; c=relaxed/simple; bh=sLU4CjvGmfRPSBy+bKtHBq8+3UW5Gg3xy4yxHwf3Ydk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ca108SsU0AiKhNpO+9re7vSy4p+HrTLIG239SWY/FZPiG5C5REywSKotiZttUA00KxQQbAwSxc5JFTN78D2Rk1UN/dJztU8RLoHVeeDUPaEFTb9O9mlgmlRZdZD0Bgae3VX22Tj1DjB0+yOZTOZmuj4O/m02FGAFD8Gd3DmtZF4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=auC7ZHoC; arc=none smtp.client-ip=80.241.56.152 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="auC7ZHoC" Received: from smtp1.mailbox.org (smtp1.mailbox.org [IPv6:2001:67c:2050:b231:465::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-102.mailbox.org (Postfix) with ESMTPS id 4fQGB24shvz9vGs; Tue, 3 Mar 2026 14:00:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1772542826; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Y2VFwF6lZsmTW7oUF+jxKFfgSQs3+fOdg1QHvGpURYM=; b=auC7ZHoChPVSzdYpdeM17nz90XevHtLoWdH5iSzvQD6vWd9PKTA+ibllMZYQ1Zd/FAf3EC ZRJ/Y643AL09UhT6EaeVOHgy2OPwts21ZHbOEZNmydMnYqmP+vIWK6o6rgiK8WCRlPIzFK ckaH/Nww4irICSFS53nRpuKkEKn3voEQz26WRQYS05RoQKAWdLdSVy8LCISkSDDxt8Ywgm +bkNFzPM1Re+1xjtcf87O0Dqo4OIJ1wZDhGPcMhCWIrsMzz2bneyNrWgV2IMWvEIU4Squx 3U9JHuwep4+2OXA216Qdcdsz2JsrH0BWBf5QZfARc1Z3P3988AvaKHhxHm/Bnw== Message-ID: <13afd1fc-7201-4210-a697-8977d47857e7@mailbox.org> Date: Tue, 3 Mar 2026 13:59:58 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v2 2/2] drm/bridge: waveshare-dsi: Add support for 1..4 DSI data lanes To: Maxime Ripard Cc: dri-devel@lists.freedesktop.org, Joseph Guo , Conor Dooley , David Airlie , Jernej Skrabec , Jonas Karlman , Krzysztof Kozlowski , Laurent Pinchart , Maarten Lankhorst , Neil Armstrong , Rob Herring , Robert Foss , Simona Vetter , Thomas Zimmermann , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Luca Ceresoli References: <20260115024004.660986-1-marek.vasut+renesas@mailbox.org> <20260115024004.660986-2-marek.vasut+renesas@mailbox.org> <3af09657-78ce-4bc6-b8d5-b346a3b86c5b@mailbox.org> <20260303-free-kudu-from-vega-20fb3e@houat> Content-Language: en-US From: Marek Vasut In-Reply-To: <20260303-free-kudu-from-vega-20fb3e@houat> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-ID: b037b58f9c5badefe51 X-MBO-RS-META: edztfuaxehkphj7e7z6idixxbwhj1df9 On 3/3/26 8:56 AM, Maxime Ripard wrote: > On Mon, Mar 02, 2026 at 10:35:31PM +0100, Marek Vasut wrote: >> On 2/6/26 12:48 PM, Marek Vasut wrote: >>> On 1/15/26 3:39 AM, Marek Vasut wrote: >>>> Parse the data lane count out of DT. Limit the supported data lanes >>>> to 1..4 which is the maximum available DSI pairs on the connector of >>>> any known panels which may use this bridge. Internally, this bridge >>>> is an ChipOne ICN6211 which loads its register configuration from a >>>> dedicated storage and its I2C does not seem to be accessible. The >>>> ICN6211 also supports up to 4 DSI lanes, so this is a hard limit. >>>> >>>> To avoid any breakage on old DTs where the parsing of data lanes from >>>> DT may fail, fall back to the original hard-coded value of 2 lanes and >>>> warn user. >>>> >>>> The lane configuration is preconfigured in the bridge for each of the >>>> WaveShare panels. The 13.3" DSI panel works with 4-lane configuration, >>>> others seem to use 2-lane configuration. This is a hardware property, >>>> so the actual count should come from DT. >>>> >>>> Reviewed-by: Joseph Guo >>>> Signed-off-by: Marek Vasut >>> >>> Is it OK to apply these two patches now ? >> >> Can this be applied now ? > > It looks like you have a reviewed-by already, what's stoping you from > applying it yourself? I generally try to avoid applying my own patches, but if that is OK here, I will apply them ?