From patchwork Mon Apr 22 19:18:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sui Jingfeng X-Patchwork-Id: 13638855 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 7CA13C4345F for ; Mon, 22 Apr 2024 19:19:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 769DE10F7BD; Mon, 22 Apr 2024 19:19:21 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.b="Y3anQZO7"; dkim-atps=neutral Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) by gabe.freedesktop.org (Postfix) with ESMTPS id A1EA910F7BD for ; Mon, 22 Apr 2024 19:19:19 +0000 (UTC) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1713813557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=fGsjHAbYUFtiS1u1KaAmxhWdCq3KEXLTWvKx+cfURAU=; b=Y3anQZO7sdEhrz4psncVP8rNbsfXyEDVRF0idXP8S2tF4kNTCG9oQ7zMG2e5TaHBQ3oz0P welkurB8yGQXAbyxtQfKoSYHXcetBeWenWL3etbtJYysQRInyi73fYvRfoAkjEf84AYONj WzD2BuNJILqNZoLfnAnjKr/eB3HV/DI= From: Sui Jingfeng To: Neil Armstrong Cc: Robert Foss , Laurent Pinchart , Andrzej Hajda , Jonas Karlman , Jernej Skrabec , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Phong LE , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Sui Jingfeng Subject: [PATCH v4 0/9] drm/bridge: Allow using fwnode API to get the next bridge Date: Tue, 23 Apr 2024 03:18:54 +0800 Message-Id: <20240422191903.255642-1-sui.jingfeng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Currently, the various display bridge drivers rely on OF infrastructures to works very well, yet there are platforms and/or devices absence of 'OF' support. Such as virtual display drivers, USB display apapters and ACPI based systems etc. Add fwnode based helpers to fill the niche, this allows part of the display bridge drivers to work across systems. As the fwnode API has wider coverage than DT counterpart and the fwnode graphs are compatible with the OF graph, so the provided helpers can be used on all systems in theory. Assumed that the system has valid fwnode graphs established before drm bridge drivers are probed, and there has fwnode assigned to involved drm bridge instance. Tested on TI BeaglePlay board. v1 -> v2: * Modify it66121 to switch togather * Drop the 'side-by-side' implement * Add drm_bridge_find_next_bridge_by_fwnode() helper * Add drm_bridge_set_node() helper v2 -> v3: * Read kernel-doc and improve function comments (Dmitry) * Drop the 'port' argument of it66121_read_bus_width() (Dmitry) * drm-bridge: sii902x get nuked v3 -> v4: * drm-bridge: tfp410 get nuked * Add platform module alias * Rebase and improve commit message and function comments Sui Jingfeng (9): drm/bridge: Allow using fwnode API to get the next bridge drm/bridge: simple-bridge: Use fwnode API to acquire device properties drm/bridge: simple-bridge: Add platform module alias drm-bridge: display-connector: Use fwnode API to acquire device properties drm/bridge: display-connector: Add platform module alias drm-bridge: sii902x: Use fwnode API to acquire device properties drm-bridge: it66121: Use fwnode API to acquire device properties drm/bridge: tfp410: Use fwnode API to acquire device properties drm/bridge: tfp410: Add platform module alias drivers/gpu/drm/bridge/display-connector.c | 25 ++++---- drivers/gpu/drm/bridge/ite-it66121.c | 57 ++++++++++------- drivers/gpu/drm/bridge/sii902x.c | 43 ++++--------- drivers/gpu/drm/bridge/simple-bridge.c | 23 ++++--- drivers/gpu/drm/bridge/ti-tfp410.c | 42 ++++++------ drivers/gpu/drm/drm_bridge.c | 74 ++++++++++++++++++++++ include/drm/drm_bridge.h | 16 +++++ 7 files changed, 185 insertions(+), 95 deletions(-)