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 553B2C433F5 for ; Wed, 9 Feb 2022 10:25:43 +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-Transfer-Encoding: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-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OjDZlv2PuYyLjYqZbdGXHSt+abANFIK/HFZYnHaZfy8=; b=3YX//a9zgoN5kr l1QZ+LsQoLE/JmL/MtZz6x70YkbxoQYHejLSqMNUKVuecxRaYYN0vRHhbNRVLMe+U5A32p6fiOzFO Q0kjf1XKlun12NW4T4oJPXATzJWCW/szHndVD1F2hEJPpKmcwoCSPzOpEAwCAazHwlkTe7uQkUT55 tEMLo5GqFBjwAtYqdAgJQniKT2QJsE9OEviYknIg/lde4Fr/L4PI5ERkm+ElwdHwiMG7Q9lIwY+kj zIkWnYinDscbPPLuLRcu/6BIf2wP7o3pdbuUYJBBrkV070qZokdA3k7Wy1pyRiSFZqRxwdJ3vHu8N kFxKC9cfzyuLJ8bkHt8w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nHk8p-00HE7A-BL; Wed, 09 Feb 2022 10:24:03 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nHjt3-00H7BA-6m for linux-arm-kernel@bombadil.infradead.org; Wed, 09 Feb 2022 10:07:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=4wnZwFHxP/E2HCJ4vAQczmxA5+C+eCcH/RGQeOZm1T8=; b=R2fI5QPuenYVglYA3feb++yzql 3WD8mDI/tS1aCn8IgYmr/6dfTCk2fB9HlQu53hnj4uMGXYxENYVN0Uor/H/+ToGgQ+rSk6d1dKyGj TW7JlBTI6JALUM3asb1zq6890ePhDgT+f8vE9yJxwHpO8QOnoeCNZCU39bjHR1ox0edObkss62wSi VjAFrW87OrHpjB5TOfMGI8oB+xQaxZV3yEDD2BzPwi+yNyfJlPCdoQwrW9HNjfIO6kGxOOYdCeAEA KZyxBZpM1FbuGMxTef1byiiVLP1QpDeb3oeSqzB2DTogCH8auxRbmnyYsgQ8xQmvoPWr2tWS4zrs2 dXl2y7iQ==; Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by casper.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nHjsz-007M2I-M3 for linux-arm-kernel@lists.infradead.org; Wed, 09 Feb 2022 10:07:43 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nHjsx-00068n-7I; Wed, 09 Feb 2022 11:07:39 +0100 Received: from sha by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1nHjsu-0001wJ-AP; Wed, 09 Feb 2022 11:07:36 +0100 Date: Wed, 9 Feb 2022 11:07:36 +0100 From: Sascha Hauer To: David Airlie Cc: Daniel Vetter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@pengutronix.de, Andy Yan , Benjamin Gaignard , Michael Riesch , Sandy Huang , Heiko =?iso-8859-15?Q?St=FCbner?= , Peter Geis Subject: Re: [PATCH v5 01/23] drm/encoder: Add of_graph port to struct drm_encoder Message-ID: <20220209100736.GV18637@pengutronix.de> References: <20220209095350.2104049-1-s.hauer@pengutronix.de> <20220209095350.2104049-2-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220209095350.2104049-2-s.hauer@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-IRC: #ptxdist @freenode X-Accept-Language: de,en X-Accept-Content-Type: text/plain X-Uptime: 10:57:24 up 60 days, 18:42, 83 users, load average: 0.77, 0.40, 0.27 User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220209_100741_739171_0B87B305 X-CRM114-Status: GOOD ( 19.52 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org David, Daniel, I'll need a word from you regarding this patch. It's needed in patch 22/23 in this series. vop2_crtc_atomic_enable() needs to control the mux which routes the display output to the different encoders. Which encoder is used is described in the of_graph port, so I need a way to identify the encoder in the device tree. Sascha On Wed, Feb 09, 2022 at 10:53:28AM +0100, Sascha Hauer wrote: > Add a device node to drm_encoder which corresponds with the port node > in the DT description of the encoder. This allows drivers to find the > of_graph link between a crtc and an encoder. > > Signed-off-by: Sascha Hauer > --- > include/drm/drm_encoder.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h > index 6e91a0280f31..3acd054b1eb3 100644 > --- a/include/drm/drm_encoder.h > +++ b/include/drm/drm_encoder.h > @@ -99,6 +99,8 @@ struct drm_encoder { > struct drm_device *dev; > struct list_head head; > > + struct device_node *port; > + > struct drm_mode_object base; > char *name; > /** > -- > 2.30.2 > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel