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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 982A9CA9EBB for ; Wed, 23 Oct 2019 15:45:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77B402086D for ; Wed, 23 Oct 2019 15:45:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406909AbfJWPp1 (ORCPT ); Wed, 23 Oct 2019 11:45:27 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:37856 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406907AbfJWPp0 (ORCPT ); Wed, 23 Oct 2019 11:45:26 -0400 Received: from localhost.localdomain (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 5F20428F924; Wed, 23 Oct 2019 16:45:24 +0100 (BST) From: Boris Brezillon To: dri-devel@lists.freedesktop.org Cc: Lucas Stach , Chris Healy , Andrey Smirnov , Nikita Yushchenko , kernel@collabora.com, Daniel Vetter , Inki Dae , Joonyoung Shim , Seung-Woo Kim , Kyungmin Park , Thierry Reding , Sam Ravnborg , Philipp Zabel , Rob Clark , Andrzej Hajda , Neil Armstrong , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, Boris Brezillon , Laurent Pinchart Subject: [PATCH v3 08/21] drm/bridge: Add the drm_for_each_bridge_in_chain() helper Date: Wed, 23 Oct 2019 17:44:59 +0200 Message-Id: <20191023154512.9762-9-boris.brezillon@collabora.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191023154512.9762-1-boris.brezillon@collabora.com> References: <20191023154512.9762-1-boris.brezillon@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org To iterate over all bridges attached to a specific encoder. Suggested-by: Laurent Pinchart Signed-off-by: Boris Brezillon --- Changes in v3: * None Changes in v2: * New patch --- include/drm/drm_bridge.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 3ab16c95e59e..238e84ab63a3 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -441,6 +441,17 @@ drm_bridge_chain_get_first_bridge(struct drm_encoder *encoder) struct drm_bridge, chain_node); } +/** + * for_each_bridge_in_chain() - Iterate over all bridges present in a chain + * @encoder: the encoder to iterate bridges on + * @bridge: a bridge pointer updated to point to the current bridge at each + * iteration + * + * Iterate over all bridges present in the bridge chain attached to @encoder. + */ +#define drm_for_each_bridge_in_chain(encoder, bridge) \ + list_for_each_entry(bridge, &(encoder)->bridge_chain, chain_node) + bool drm_bridge_chain_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); -- 2.21.0