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 A56D7CA5FD2 for ; Thu, 1 Oct 2026 12:45:00 +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:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=QLYOPEBics56dBWNl5ZGCyhzCyMt9242fRwYR5+3TQ8=; b=j8ScbgQQXKCwYBhjm+7Szc2P2L /GOH+s1xkQ4Xt9GczeyG3kIIBbUbjonLHjY10tO2+ZHdiIDlag9fvAQS+DZj1zeycCBUQg2ook91U 3p3s1iRwGLdchMnIQyuN6hV9MV9G35iq0i9uJZlpsaevL9CizcFvGWnRcL3zwDQD55myLZ3/miECg sfPqqQhkYX3yOEGb0MU83e/bfjO8xh5+jptDbrixwpT8BO1RSdXUi1+O2yh/87rt28Ur1zJw2pFD5 mONfrq+Suaz8k1Gdtdulv2TX9c+F1pVXqdlFAZSYdR8JGdJtKGKK9tWSVG8IJ0+MHc0SYJZOUoMIB S1DhT+/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCG9e-000000097Xp-1u0h; Thu, 01 Oct 2026 12:44:54 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCG9Z-000000097TO-1bWp for linux-arm-kernel@lists.infradead.org; Thu, 01 Oct 2026 12:44:52 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id DF1D61A24DD; Thu, 1 Oct 2026 12:44:47 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id B021160341; Thu, 1 Oct 2026 12:44:47 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 08D1D103280C2; Thu, 1 Oct 2026 14:44:40 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1790858685; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=QLYOPEBics56dBWNl5ZGCyhzCyMt9242fRwYR5+3TQ8=; b=O6pYDGHm3h4SYtZpmOXehWrflfGfvi1BHLUeuGeDjCVUhRG4yGQU2DxSB7/ZM8ls5x9XVI 1eWk3pPBRuG8XRY7Ha6ySoTS6V7aBqU6TXagOAjvto0o81lOe89/Yx7eU/nE4Rb2fTTQmA 5eMVGXsMrems6KoSxxA84lOTvNi78DWTSuBzu8Nq4JUnDUQrAd50VdiGXGycuahIlrLLCp Jr1BKm3GLghp8atUVtOxRWIuvH8uPRy7oGv+vLBUmCrsXXewOg79PDpBTIA4Zja7e7M6dZ dbytFQConraipTLbNc9guDAEuL3X8aVQGIGt66zf2fWZkjquKw4MOcsg9fJO+Q== From: Luca Ceresoli Date: Thu, 01 Oct 2026 14:42:42 +0200 Subject: [PATCH RFC v2 20/24] drm/bridge: ti-sn65dsi83: implement .get_next_bridge MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261001-drm-bridge-hotplug-v2-20-8e34986dcb68@bootlin.com> References: <20261001-drm-bridge-hotplug-v2-0-8e34986dcb68@bootlin.com> In-Reply-To: <20261001-drm-bridge-hotplug-v2-0-8e34986dcb68@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Inki Dae , Jagan Teki , Marek Szyprowski , Jessica Zhang , Douglas Anderson , Marek Vasut , Stefan Agner , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Hui Pu , Ian Ray , Luca Ceresoli , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261001_054449_590076_0BFB56A4 X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. 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 Add get_next_callback func to expose the next bridge. Signed-off-by: Luca Ceresoli --- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index d32b80e7c374..05c6b1d6b9f1 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -295,6 +295,13 @@ static struct sn65dsi83 *bridge_to_sn65dsi83(struct drm_bridge *bridge) return container_of(bridge, struct sn65dsi83, bridge); } +static struct drm_bridge *sn65dsi83_get_next_bridge(struct drm_bridge *bridge) +{ + struct sn65dsi83 *ctx = bridge_to_sn65dsi83(bridge); + + return ctx->panel_bridge ?: ERR_PTR(-ENODEV); +} + static int sn65dsi83_attach(struct drm_bridge *bridge, struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) @@ -796,6 +803,7 @@ sn65dsi83_atomic_get_input_bus_fmts(struct drm_bridge *bridge, } static const struct drm_bridge_funcs sn65dsi83_funcs = { + .get_next_bridge = sn65dsi83_get_next_bridge, .attach = sn65dsi83_attach, .detach = sn65dsi83_detach, .atomic_enable = sn65dsi83_atomic_enable, @@ -1066,6 +1074,7 @@ static int sn65dsi83_probe(struct i2c_client *client) ctx->bridge.of_node = dev->of_node; ctx->bridge.pre_enable_prev_first = true; ctx->bridge.type = DRM_MODE_CONNECTOR_LVDS; + ctx->bridge.ops = DRM_BRIDGE_OP_GET_NEXT_BRIDGE; drm_bridge_add(&ctx->bridge); ret = sn65dsi83_host_attach(ctx); -- 2.55.0