From patchwork Fri Sep 1 09:46:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linus Walleij X-Patchwork-Id: 9933827 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B339C60309 for ; Fri, 1 Sep 2017 09:47:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B444E28614 for ; Fri, 1 Sep 2017 09:47:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A62732861A; Fri, 1 Sep 2017 09:47:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4BE1528614 for ; Fri, 1 Sep 2017 09:47:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=FVqW/9Biy06SvMtdGAZsI51KSE7vhn48FcR5opZDm6A=; b=pT5 E7fb5SYBlVCs7yFSwJrnVHsX2AP/jHazWw7LUubBf8owJUDDhjnLT8KhnJaXCDl59NmtKLpkbbHAK coiBGi7PnW/7cmn5nd5nVkpwTyJ7bNpHiv11lDjaotfMtVMCEWtZZALK4O5CXmZE0m60xMRgd6JAV Ajs+0UAiUgsEl6DxZvJR/kpsJn9K3f5nUl6BHSuLuXdoUmOHb9garPLpltE1K8rr5uy3aKBFLJk2Z 8/4PPBwlLKo1mAzgvJXKMD7qSae052Y69ygydSPuYLMqoRsImH0EAhaXIIGwtczQA7cZqtP/BgMem AID+0L6Ee23OsGPyalUNfBe0nHr/G+Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dniXM-0000Lf-PS; Fri, 01 Sep 2017 09:46:52 +0000 Received: from mail-lf0-x231.google.com ([2a00:1450:4010:c07::231]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dniXI-0000J0-HF for linux-arm-kernel@lists.infradead.org; Fri, 01 Sep 2017 09:46:51 +0000 Received: by mail-lf0-x231.google.com with SMTP id a126so7400701lfa.0 for ; Fri, 01 Sep 2017 02:46:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=1if6UqJAlYSL6UX7S+chW+EyvRmIZM3yqs9cD0rxrRA=; b=JNo/FTbh7BGwVL3XBCuCbwaWzoif/RVyY04laODe/4v2Q+A2UGjk4wOYaARJSPUJIj 38azOrjH2DmneiZEe/Z/aAF3EONSUFeNFiHhuoktSb2qLkeOPzJ5qLIsT5ILNn3YTTjC +ZTeIQNuJj2hPzX4nsqJS5hDtX0szGkSiS9yA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=1if6UqJAlYSL6UX7S+chW+EyvRmIZM3yqs9cD0rxrRA=; b=iyx8iCfEAL2LMaLY6gr48g6n8sNq5MQseBme6g+kNSH2CBp6oPfwziB/1Mdtny0fM2 iS4sX05yTqrMNpIJghFjbCZmHyZpifI4Ax1rvIGVUO7+wbryXFL58EHZ772GUoIxNO11 0s2ZxTAVxafd5oYw/Xo/CcE+6rLT0XIcmgYzHCLSxgfn3Ct/vLY/21plgf/Glz07ZOGM ROVJf+ktoF7YpL2r8qX0kXaE2RmVKWnc3zmVl2GimyjsJDcOhMgtkUx25K+ntAlx46TK qhY7oP38JPdvTznzANj6iAJTEhM2ll88+7V4kIZ9dggmYSAKvL1Mq41DrQhqQL6P0NuF +iEQ== X-Gm-Message-State: AHPjjUjZFmQHqfGxs5fy7BCAvEDW7WZ2vRhjWqLTVL+ST0GK25aiY1gp bliOgQW8FZSprFTe X-Google-Smtp-Source: ADKCNb6qTsR4xVxoXIeh45CVSUYbFXJfdjXEXSgjLvpv8nmD/xACt8GaYC6UQ7btbqCTNOdHfwJvEg== X-Received: by 10.46.84.92 with SMTP id y28mr357698ljd.147.1504259185577; Fri, 01 Sep 2017 02:46:25 -0700 (PDT) Received: from genomnajs.ideon.se ([85.235.10.227]) by smtp.gmail.com with ESMTPSA id e82sm345199lji.83.2017.09.01.02.46.24 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 01 Sep 2017 02:46:25 -0700 (PDT) From: Linus Walleij To: Archit Taneja , Andrzej Hajda , Laurent Pinchart Subject: [PATCH 1/2] RFC: drm: bridge: Add API to fetch connector Date: Fri, 1 Sep 2017 11:46:22 +0200 Message-Id: <20170901094622.6519-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.13.5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170901_024649_562157_C9AB87E6 X-CRM114-Status: GOOD ( 15.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Linus Walleij , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP We need to be able to get the connector out of a dumb VGA for the PL111 driver. This is because we are using the connector in the driver when initializing the display pipe. Signed-off-by: Linus Walleij --- This is a bit ugly but not uglier than how we are reaching into the connector of the panels in several drivers. I don't know any better idea, advice welcome. --- drivers/gpu/drm/bridge/dumb-vga-dac.c | 7 +++++++ include/drm/dumb_vga_dac.h | 9 +++++++++ 2 files changed, 16 insertions(+) create mode 100644 include/drm/dumb_vga_dac.h diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c index 6c2fdcb4fde1..c0d46ab7fde0 100644 --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c @@ -19,6 +19,7 @@ #include #include #include +#include /** * struct vga_dac_variant - characteristics of the DAC @@ -51,6 +52,12 @@ drm_connector_to_dumb_vga(struct drm_connector *connector) return container_of(connector, struct dumb_vga, connector); } +struct drm_connector *drm_dumb_vga_get_connector(struct drm_bridge *bridge) +{ + return &drm_bridge_to_dumb_vga(bridge)->connector; +} +EXPORT_SYMBOL_GPL(drm_dumb_vga_get_connector); + static int dumb_vga_get_modes(struct drm_connector *connector) { struct dumb_vga *vga = drm_connector_to_dumb_vga(connector); diff --git a/include/drm/dumb_vga_dac.h b/include/drm/dumb_vga_dac.h new file mode 100644 index 000000000000..b7117222054d --- /dev/null +++ b/include/drm/dumb_vga_dac.h @@ -0,0 +1,9 @@ +#ifndef _DUMB_VGA_DAC_H_ +#define _DUMB_VGA_DAC_H_ + +struct drm_connector; +struct drm_bridge; + +struct drm_connector *drm_dumb_vga_get_connector(struct drm_bridge *bridge); + +#endif