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 49F29FF886D for ; Tue, 28 Apr 2026 09:38:24 +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:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9l002AgQCeDZ3kFs0LsbzlezWAODmhj1nOy0lrGZD00=; b=dcGS+PLrjQ5hIbme31UJpOlf27 lu/a5esyXD7ja7tq7kXyToKHkAYuDkAXzlR1eMjpwcR4TO3SBmLfN/0QSjlAtCM+p2OSBPbRSxDsh DwXVx+3BulAfH7HZARMHLnX+aKFeWDsc5tPHac+WzWfnG9AUBofX5n1QFvAekjh+TJz8pgeQDg5oQ +PRxaObTHYgqT6WWFVQ1hSwHur7hzfNdcaBVxn0N0Dpxpog2kwxd/GiYzN7jBjq6/sy6nJOez8L4K t1OmwDWtp9WoseelSJe8QgQT06WHJMAEMoosMG7o+ULnFJoq7IjJo6kPi6yhLS+Be2JDbdbdSTZpj a2kdVafw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHetX-000000016e7-08t3; Tue, 28 Apr 2026 09:38:19 +0000 Received: from mout-p-103.mailbox.org ([2001:67c:2050:0:465::103]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wHetV-000000016dd-0UUE for linux-arm-kernel@lists.infradead.org; Tue, 28 Apr 2026 09:38:18 +0000 Received: from smtp202.mailbox.org (smtp202.mailbox.org [10.196.197.202]) (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-103.mailbox.org (Postfix) with ESMTPS id 4g4b2p4kzDz9tqB; Tue, 28 Apr 2026 11:38:10 +0200 (CEST) Date: Tue, 28 Apr 2026 11:38:00 +0200 From: Lukas Timmermann To: Doug Anderson Cc: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Sam Ravnborg , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alexandre Marquet Subject: Re: [PATCH 2/5] drm/panel-edp: Add support for Samsung LTL101DL02-002 panel Message-ID: References: <20260423-manta-display-v1-0-196f80c5673a@timmermann.space> <20260423-manta-display-v1-2-196f80c5673a@timmermann.space> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260428_023817_318502_55E3AB87 X-CRM114-Status: GOOD ( 22.27 ) 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 On Thu, Apr 23, 2026 at 02:49:53PM -0700, Doug Anderson wrote: > Hi, > > On Thu, Apr 23, 2026 at 2:15 PM Lukas Timmermann wrote: > > > > From: Alexandre Marquet > > > > Add a panel entry for the Samsung LTL101DL02-002 panel, as found in > > Samsung Manta (Google Nexus 10). > > > > Signed-off-by: Alexandre Marquet > > Signed-off-by: Lukas Timmermann > > --- > > drivers/gpu/drm/panel/panel-edp.c | 31 +++++++++++++++++++++++++++++++ > > 1 file changed, 31 insertions(+) > > Adding new panels like this is discouraged these days. Is there a > reason you can't use the generic "edp-panel" compatible? I know that > the exynos5 driver is pretty old, but a quick glance shows that it's > based on the same analogix-dp core that "rockchip,analogix-dp" is, and > that seems to have support for aux-bus... > > -Doug > Alexandre had no luck using the aux-bus in the past. I've read the documentation on the panel-edp driver more closely now and apologize for the clearly violated directive of not adding panels like this, we are investigating how to get the aux-bus working eventually. Thanks for the clarification. Best regards Lukas