From patchwork Fri Jun 28 16:01:25 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 11022939 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 578EC76 for ; Fri, 28 Jun 2019 16:06:26 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 44C3C286B8 for ; Fri, 28 Jun 2019 16:06:26 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 33D2628746; Fri, 28 Jun 2019 16:06:26 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CF4C2286B8 for ; Fri, 28 Jun 2019 16:06:25 +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:References: In-Reply-To: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:List-Owner; bh=lQLbi89dF/kd46iiT4AEGjh8HMoh5P17/OpI3sX9ePg=; b=fNZnu1TMvDnANNmf/NmQ0ihXie a4e5tM4YBBowGpIUqr8EL3LHej+xsWR7hAdaFdaSUwaP4uz+P86ajzlfNUcLvmzI2TsWpRWFq2chZ dltMiA1a7RFewozhrtBBmByKeey63uDrYTGxf/vhM9qyk/5vJY3/ijD6qZsNEJXSpbRlmSGdMOr5y P8PyGoBaM9tXiWJ0wGCcNQ4eFEoijmR/DNKyWt/DIiMD2kHH1xZDM1qbedMD9osECekwG/TF12YA6 wPaJV3I/mg9diPnRw4cNf3FdjTLSzAiX13NN6lj0Nz6n8AlqpEx9U//zNnfvPkjIGzo3RlhIYs5c9 lLYOzrxA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hgtOJ-0001JR-CV; Fri, 28 Jun 2019 16:06:23 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hgtOC-0001CH-Id; Fri, 28 Jun 2019 16:06:18 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: andrzej.p) with ESMTPSA id 7144F289CEB From: Andrzej Pietrasiewicz To: dri-devel@lists.freedesktop.org Subject: [PATCH v3 11/22] drm/vc4: Provide ddc symlink in connector sysfs directory Date: Fri, 28 Jun 2019 18:01:25 +0200 Message-Id: <980ef1af2d03820f2f55f42547664ed08f75e3e7.1561735433.git.andrzej.p@collabora.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: <3fb19371-db7d-f9dc-31a7-1ccd126f6784@collabora.com> In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190628_090616_899252_59D7FF55 X-CRM114-Status: GOOD ( 13.53 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Y.C. Chen" , =?utf-8?q?Heiko_St=C3=BCbner?= , Sam Ravnborg , Neil Armstrong , Maxime Ripard , Douglas Anderson , Andrzej Hajda , Thierry Reding , Laurent Pinchart , Benjamin Gaignard , kernel@collabora.com, Fabio Estevam , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , "David \(ChunMing\) Zhou" , linux-samsung-soc@vger.kernel.org, Joonyoung Shim , linux-rockchip@lists.infradead.org, Vincent Abriou , Rob Clark , Krzysztof Kozlowski , Jonathan Hunter , David Airlie , Chen-Yu Tsai , Kukjin Kim , NXP Linux Team , CK Hu , Dave Airlie , freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, Pengutronix Kernel Team , Jonas Karlman , linux-arm-msm@vger.kernel.org, Sascha Hauer , Maarten Lankhorst , Jyri Sarha , Inki Dae , Mamta Shukla , linux-mediatek@lists.infradead.org, Matthias Brugger , Daniel Vetter , Thomas Gleixner , Sean Paul , linux-arm-kernel@lists.infradead.org, amd-gfx@lists.freedesktop.org, Tomi Valkeinen , Eric Anholt , Thomas Zimmermann , Seung-Woo Kim , Sandy Huang , linux-kernel@vger.kernel.org, Todor Tomov , Kyungmin Park , Huang Rui , Philipp Zabel , Alex Deucher , Shawn Guo , =?utf-8?q?Christian_K=C3=B6nig?= , Gerd Hoffmann MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Use the ddc pointer provided by the generic connector. Signed-off-by: Andrzej Pietrasiewicz --- drivers/gpu/drm/vc4/vc4_hdmi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 87ad0879edf3..b46df3aa1798 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -75,7 +75,6 @@ struct vc4_hdmi { struct vc4_hdmi_audio audio; - struct i2c_adapter *ddc; void __iomem *hdmicore_regs; void __iomem *hd_regs; int hpd_gpio; @@ -206,7 +205,7 @@ vc4_hdmi_connector_detect(struct drm_connector *connector, bool force) return connector_status_disconnected; } - if (drm_probe_ddc(vc4->hdmi->ddc)) + if (drm_probe_ddc(connector->ddc)) return connector_status_connected; if (HDMI_READ(VC4_HDMI_HOTPLUG) & VC4_HDMI_HOTPLUG_CONNECTED) @@ -232,7 +231,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector) int ret = 0; struct edid *edid; - edid = drm_get_edid(connector, vc4->hdmi->ddc); + edid = drm_get_edid(connector, connector->ddc); cec_s_phys_addr_from_edid(vc4->hdmi->cec_adap, edid); if (!edid) return -ENODEV; @@ -1287,6 +1286,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) struct vc4_hdmi *hdmi; struct vc4_hdmi_encoder *vc4_hdmi_encoder; struct device_node *ddc_node; + struct i2c_adapter *ddc; u32 value; int ret; @@ -1334,9 +1334,9 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) return -ENODEV; } - hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); + ddc = of_find_i2c_adapter_by_node(ddc_node); of_node_put(ddc_node); - if (!hdmi->ddc) { + if (ddc) { DRM_DEBUG("Failed to get ddc i2c adapter by node\n"); return -EPROBE_DEFER; } @@ -1396,6 +1396,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) ret = PTR_ERR(hdmi->connector); goto err_destroy_encoder; } + hdmi->connector->ddc = ddc; #ifdef CONFIG_DRM_VC4_HDMI_CEC hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops, vc4, "vc4", @@ -1448,7 +1449,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data) clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); err_put_i2c: - put_device(&hdmi->ddc->dev); + put_device(&ddc->dev); return ret; } @@ -1459,6 +1460,7 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master, struct drm_device *drm = dev_get_drvdata(master); struct vc4_dev *vc4 = drm->dev_private; struct vc4_hdmi *hdmi = vc4->hdmi; + struct i2c_adapter *ddc = hdmi->connector->ddc; cec_unregister_adapter(hdmi->cec_adap); vc4_hdmi_connector_destroy(hdmi->connector); @@ -1467,7 +1469,7 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master, clk_disable_unprepare(hdmi->hsm_clock); pm_runtime_disable(dev); - put_device(&hdmi->ddc->dev); + put_device(&ddc->dev); vc4->hdmi = NULL; }