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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 D9887CD13CF for ; Tue, 11 Nov 2025 18:37:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=P03aL7uweOYe6MvxRlMeseueReLEXAogfSf6g4DM0R0=; b=NZxfd8zrXou/fBEa5qXzcyvL3l 8vCin6vMuI6u5U+0FCwc5eNwlPZmhGZjNGmiloXwhcK8omahwcU0ly5azdYjUfqiG867/+3sRAIq0 nqdQzYKLDLr6zH9ZPTL+UOos6XQ+Zk8nTylC25zl8867jNUWaOyEbHTb59pSozIY7Lq4iJWpZmvXY Zit9leCI9yipf9TiepfSsVY4Xmyui6ZnseE+Jfok2ecRSSIvIz8+2/Hg98DUq5EDjxEQ2Ip9/uwkG ofYmtjQJTIVBeaWmiTGwRPyXA3MaK1kv88d6mF/fmwoCUr1XqjSZZEQNjkcsTpDQs3LVHlEDD8T7d HVfPSD4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vItFC-00000007cS2-20fT; Tue, 11 Nov 2025 18:37:30 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vItFB-00000007cRm-16N4; Tue, 11 Nov 2025 18:37:29 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 7FAFA6020B; Tue, 11 Nov 2025 18:37:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5A888C4CEF7; Tue, 11 Nov 2025 18:37:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762886248; bh=pgKLi07v3nAzgSWrbOhew+tkCftrGPnHwK+HWRmbZgY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Td5CWsFiCm4X1/AxMKmU39/vysxniGwqTFaV8jeP7qaIc3yIbF1rA/+YLuR6zMsf4 TzZ7i3+8tluttQnfUp9v5hCiYFbUfU0MNj8NSDs8ANlJhbW4W1wJY+07jc+k52guAO tLNgouUqw99pq5Mv7o8Cs1G9BygfFX9HZXCykZdE6GK5yDbPMeX47V8ivCfBIFxsv3 TL7BN7hwsQdaMGPH/4pVTNj9tPrV2p01diVJ3OygK6ut4ZJ7jQbmbEEeAoCcHctlDm aKX5cwajRuJEWXEH1AEUPJkIuxSttxv7QI5sfExLHhSH7t+d0CCfpkDGNvv+ag2N+K ObPnOLSezIrcQ== Date: Tue, 11 Nov 2025 18:37:19 +0000 From: Conor Dooley To: Michal Wilczynski Cc: Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Hal Feng , Michael Turquette , Stephen Boyd , Conor Dooley , Xingyu Wu , Vinod Koul , Kishon Vijay Abraham I , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Lee Jones , Philipp Zabel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Marek Szyprowski , Icenowy Zheng , Maud Spierings , Andy Yan , Heiko Stuebner , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-phy@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH RFC 00/13] drm: starfive: jh7110: Enable display subsystem Message-ID: <20251111-matriarch-diocese-b314e7bdaf81@spud> References: <20251108-jh7110-clean-send-v1-0-06bf43bb76b1@samsung.com> <20251110-clang-baking-b8b27730356e@spud> <00e897dc-9966-439b-a74a-7604a1870027@samsung.com> <20251111-footing-eclair-332f5f0769f2@spud> MIME-Version: 1.0 In-Reply-To: <20251111-footing-eclair-332f5f0769f2@spud> X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5338088723132471474==" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org --===============5338088723132471474== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oEuULB+ZwvMAwWb+" Content-Disposition: inline --oEuULB+ZwvMAwWb+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 11, 2025 at 06:14:48PM +0000, Conor Dooley wrote: > On Tue, Nov 11, 2025 at 04:33:28PM +0100, Michal Wilczynski wrote: > >=20 > >=20 > > On 11/10/25 20:35, Conor Dooley wrote: > > > On Sat, Nov 08, 2025 at 02:04:34AM +0100, Michal Wilczynski wrote: > > >> This series enables the display subsystem on the StarFive JH7110 SoC. > > >> This hardware has a complex set of dependencies that this series aim= s to > > >> solve. > > >> > > >> I believe this is a PHY tuning issue that can be fixed in the new > > >> phy-jh7110-inno-hdmi.c driver without changing the overall architect= ure. > > >> I plan to continue debugging these modes and will submit follow up f= ixes > > >> as needed. > > >> > > >> The core architectural plumbing is sound and ready for review. > > >> > > >> Notes: > > >> - The JH7110 does not have a centralized MAINTAINERS entry like the > > >> TH1520, and driver maintainership seems fragmented. I have therefo= re > > >> added a MAINTAINERS entry for the display subsystem and am willing= to > > >> help with its maintenance. > > >=20 > > > Yeah, bunch of different folks wrote the drivers, so lots of entries. > > > Pretty much all as you've done here, authors are responsible for the > > > individual components and Emil is the platform maintainer but > > > responsible for most drivers. > > >=20 > > > Do you need any feedback dt wise on the RFC, or is it too likely that > > > we'll both waste our breath if the DRM folks don't approve of your > > > approach for the rest of this series? > >=20 > > Hi Conor, > >=20 > > Thank you for your response. > >=20 > > That's a fair point about the risk of the DRM approach being rejected. > > While I can't be certain, I'm hopeful that part is relatively > > straightforward, as it primarily integrates other recently reviewed > > (though not yet merged) components like the inno-hdmi bridge and dc8200 > > drivers. > >=20 > > To be honest, I was more concerned that the DT part of the series would > > be more problematic. Given that, I would find it very helpful to get > > your feedback on the DT aspects now, if you have the time. >=20 > Right. You'll definitely want some actual DRM people to weigh in though > before making changes, I am really not familiar enough with this type of > hardware to know if the breakdown is correct. It looks generally sane to me chief, but as I said I am not really familiar enough with this sort of hardware to have a real take on it. Sorry, you'll need to get your affirmation about how you've laid stuff out elsewhere :/ --oEuULB+ZwvMAwWb+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaROCXwAKCRB4tDGHoIJi 0lHNAP0VY2m9JP4EgIKWtYcUv/PdugQ015SJrRdoXUnsVhh14gEA7/E/wvGod2Wf uGM6z13gp3dI+KrJhyqfO1LThr8IXwE= =h9/B -----END PGP SIGNATURE----- --oEuULB+ZwvMAwWb+-- --===============5338088723132471474== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy --===============5338088723132471474==--