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 CF10AC87FD2 for ; Mon, 11 Aug 2025 13:12:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=zqifTpDaQhWEUMpUlGKro4a6sMf2oQed5RETrkmaP4A=; b=ryIjJhp5/Ap9uykvlSE5ywVRnO 0F3v4W5p70qKqNRfHucnbBeGGwojE9jH0w7C/aLYjWVDtXao5ho40yDX3iMhr+GhBK9UU4EQDQnVU uEmdxaSkNFB0zZDSu9Ui+Yi0Q5UJZBo0aPlZIU/pBfoZn/9AWhMm8lAVTqewq0n8wHVGpUHm3nCR6 5yafJPnChmzab3HqC5Z392aQmBalbm4TZ6i0+ewQYUDCSNfu5+nw8GIDrTz45Gccfb4L5CuT1b+b1 /ywWHwyHB0fzWsYSSKclZNEXPQrpTSqvnn4pGFRfJb+cHqN5y1RioILT7o4K4K3xD10dCZ/69NQjs NGhveoSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulSKI-00000007mEI-48i4; Mon, 11 Aug 2025 13:12:34 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1ulSBo-00000007kxn-2NTc; Mon, 11 Aug 2025 13:03:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=zqifTpDaQhWEUMpUlGKro4a6sMf2oQed5RETrkmaP4A=; b=jB7ocoBy0jyhkKMHmY6LE+HubP c4Mr/18h967h9VLLwinMbOjQI4AVp+uWE3NZ3O/7k4HjyrqN050E+B3EXHuRkACnGbqvtr1goE0VR LqGupZiZbYisc6eOX21769LVJR25mbO93JBN5rgDOi/r1AddDoIDaBhtXwk9nfaeR8+fGFmDnZkkb iqxW0Opt8IQUCQtx4IdlPlyOlbsb1Fbs+8pivjENBioDb7ou2lQDMHWKBVq7poKkdVDRL2wuIPLTw pGzD+4n2F2cx6HNx+IpxM4UcG9sd1uG584j+G3t5cGrFp7ON3y2rJhVySpEfaCBEG7fly0we3ofo6 NLvsSDTw==; Received: from i53875a0c.versanet.de ([83.135.90.12] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ulSBb-0001JS-NF; Mon, 11 Aug 2025 15:03:35 +0200 From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Chukun Pan Cc: amadeus@jmu.edu.cn, conor+dt@kernel.org, devicetree@vger.kernel.org, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, naoki@radxa.com, robh@kernel.org Subject: Re: [PATCH 1/3] arm64: dts: rockchip: disable display subsystem for Radxa E52C Date: Mon, 11 Aug 2025 15:03:34 +0200 Message-ID: <2784232.uZKlY2gecq@diego> In-Reply-To: <20250811130108.462673-1-amadeus@jmu.edu.cn> References: <3125650.687JKscXgg@diego> <20250811130108.462673-1-amadeus@jmu.edu.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250811_060348_627563_467236B6 X-CRM114-Status: GOOD ( 15.36 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Am Montag, 11. August 2025, 15:01:08 Mitteleurop=C3=A4ische Sommerzeit schr= ieb Chukun Pan: > > What actual problem does this fix? > > > > For example we also enable on-soc iommus all the time, because they're > > on the soc and don't need board-level properties. > > > > The "display-subsystem" without users looks mostly in the same spot. > > > > So I do expect a description of what problem gets fixed that this needs > > to be disabled. >=20 > Disable the display-subsystem to remove this error log: > [ 1.382440] rockchip-drm display-subsystem: [drm:0xffffa3985873555c] *= ERROR* No available vop found for display-subsystem. ok, that makes sense then > I will improve the commit message in v2. Do I need to remove the Fixes ta= g? Nope, please keep the fixes tag Thanks Heiko