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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 869D0C433ED for ; Fri, 7 May 2021 15:06:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A63C6145E for ; Fri, 7 May 2021 15:06:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237846AbhEGPHN (ORCPT ); Fri, 7 May 2021 11:07:13 -0400 Received: from wnew4-smtp.messagingengine.com ([64.147.123.18]:58751 "EHLO wnew4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237778AbhEGPG7 (ORCPT ); Fri, 7 May 2021 11:06:59 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.west.internal (Postfix) with ESMTP id 5614913A2; Fri, 7 May 2021 11:05:58 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Fri, 07 May 2021 11:05:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cerno.tech; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=vW+RTf3LgBXbs RoltOoYZx96bcul6bGBPQFQ8nNXkN0=; b=KJgrvW3Ct6yuqyf3/5iA2JzlN3Tsq aXbXnG35gzfHDwxVV3UNxjd3wgGRReKr5TNepzdoPZonkrbdMD7W/yaXbQLtTy1t Se6svRrJaoCg3LBNUA2vPCg0zIRIev/7qFxM/ygqXtXNMrNw2uLfw1CI97IOFERs P8ZZm6wEUCsRsQEPc4bqxdmNhPO+ghu9VgOjkl3cZw35KE1R0MlZdD2LX/QHXHhn rKGCim9slrfRg0Y/ofgJTJk6CSFXIIqZlnVwStymtmYPAT6MJG1BFmWhqx0WzkVy 5NcSTvoLcfDJk9eO7PCSJuoa3X3KfTl37W4o7WZ6o7KKFqY4owFrP/S/Q== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=vW+RTf3LgBXbsRoltOoYZx96bcul6bGBPQFQ8nNXkN0=; b=nXSivO+z Oh9rxpTyP1n7PrlgyVo6/Fkl/i6Zxtariwa+0NxZUYEnR7sW7eX9eZc5KLMhCoxo QNpKmYBPWHv91d49NNwLBgE3/yNkAEWLksdFrFVKau9q0fMFkOBViECa6Qe4I7+i 8+dC8ycADL8BTrZ0nyZpTHPwK36ikl3gT67q2dL68KkcOs5ffiylP6Wggj/FuFD1 7rZS6uKsc6vkkb6eFmwpr95WjCGpQp53eiG+Eq/wi78nW/Htz+ZRVNVSZiNzIu0H ftn3o7xcqVJ8bBZOdcc/9SxDvYTMY1qOD1ChL2oB3b7UZKKmiOeH6bCYFbsnJQkt GoB3MXtVp55aSw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdegvddgkeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhephffvufffkffojghfggfgsedtkeertdertddtnecuhfhrohhmpeforgigihhm vgcutfhiphgrrhguuceomhgrgihimhgvsegtvghrnhhordhtvggthheqnecuggftrfgrth htvghrnhepvdekleevfeffkeejhfffueelteelfeduieefheduudfggffhhfffheevveeh hedvnecukfhppeeltddrkeelrdeikedrjeeinecuvehluhhsthgvrhfuihiivgepudenuc frrghrrghmpehmrghilhhfrhhomhepmhgrgihimhgvsegtvghrnhhordhtvggthh X-ME-Proxy: Received: from localhost (lfbn-tou-1-1502-76.w90-89.abo.wanadoo.fr [90.89.68.76]) by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 7 May 2021 11:05:57 -0400 (EDT) From: Maxime Ripard To: Maarten Lankhorst , Thomas Zimmermann , Maxime Ripard , dri-devel@lists.freedesktop.org, Daniel Vetter , David Airlie Cc: Eric Anholt , Nicolas Saenz Julienne , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, Dave Stevenson , Phil Elwell , Tim Gover , Dom Cobley , linux-kernel@vger.kernel.org Subject: [PATCH v4 07/12] drm/vc4: hvs: Make the HVS bind first Date: Fri, 7 May 2021 17:05:10 +0200 Message-Id: <20210507150515.257424-8-maxime@cerno.tech> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210507150515.257424-1-maxime@cerno.tech> References: <20210507150515.257424-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We'll need to have the HVS binding before the HDMI controllers so that we can check whether the firmware allows to run in 4kp60. Reorder a bit the component list, and document the current constraints we're aware of. Acked-by: Dave Stevenson Acked-by: Thomas Zimmermann Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vc4/vc4_drv.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 556ad0f02a0d..0310590ee66e 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -303,12 +303,21 @@ static const struct component_master_ops vc4_drm_ops = { .unbind = vc4_drm_unbind, }; +/* + * This list determines the binding order of our components, and we have + * a few constraints: + * - The TXP driver needs to be bound before the PixelValves (CRTC) + * but after the HVS to set the possible_crtc field properly + * - The HDMI driver needs to be bound after the HVS so that we can + * lookup the HVS maximum core clock rate and figure out if we + * support 4kp60 or not. + */ static struct platform_driver *const component_drivers[] = { + &vc4_hvs_driver, &vc4_hdmi_driver, &vc4_vec_driver, &vc4_dpi_driver, &vc4_dsi_driver, - &vc4_hvs_driver, &vc4_txp_driver, &vc4_crtc_driver, &vc4_v3d_driver, -- 2.31.1