From patchwork Sat Jun 1 13:12:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13682408 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 53D48C25B76 for ; Sat, 1 Jun 2024 13:13:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yB51Y8omnX2GptewN3g9HFLJfxSfBg9qvksAvaXWBH8=; b=kQLE9uzzN3/zhP 93UGGRyl32B/y8j19Ii1AYCGLXn0ZGXFx1UZFDOyVNvF9wu4xFg7IWZzzyOV3lUctm8HnvMOsU1Ce +SjYPjBPutelVD60YLHQVpRfkKOUQIAZyjRHH9NVpHErTi25WprOz2UBuNepmSBu6t7uH9qwP/7MV /9g4Zlffm3FY3NW31ysfk8e2uK72agyzOCHyNSGgoHyPLgOJUKNGTff4yzf7nlA1+SzFDnobZNGXx WjdgLW3MAW/8ssQOxcGWrD2fUEUpg4IIniNwKyi9ff6CUi4kM8syiMixfhAor6oaWgLWkTGTZinGi /Pke8cMfyHztE55DnXPg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sDOXr-0000000CeFv-36oG; Sat, 01 Jun 2024 13:13:15 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sDOXg-0000000Ce7l-2bNX; Sat, 01 Jun 2024 13:13:08 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1717247582; bh=Potzyhce4Kbwz3ncwPjojzHRgtcLidd3K5wALNG0/oc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=pO6OX9OjOlVw2zgG4UMuwGPgr5eFHKPkM6BxwVf91cGAoBdeHPp/mHCOh5y209HHc DE/TQtHE4PRl4TxnlN1oiKNv5ZHIa726dDR14f3edfE3W6DNBCXMkuF1lE6rwH5Ep4 zlG/G0IjilZe1HjP23lAhe7sXxlGRBNwtMIFQTQ1gI0hzbAhRcPerXFXqHVwsW6si0 AgW2jfWvrByf50eA/ftQEKmYSkWCJYYKT8kWH7N/LTwByntz/LlU8ugj5hn0m9erkH 4lbGM38X9d/wKUw8HGngoK2qTrPdcOejSgfGkVgyplAK4NsIU1G6Ca+XK0tWEsjRQg utPcLRCnIjZPg== Received: from localhost (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 02CEF37821EC; Sat, 1 Jun 2024 13:13:02 +0000 (UTC) From: Cristian Ciocaltea Date: Sat, 01 Jun 2024 16:12:25 +0300 Subject: [PATCH 03/14] drm/bridge: dw-hdmi: Commonize dw_hdmi_i2c_adapter() MIME-Version: 1.0 Message-Id: <20240601-b4-rk3588-bridge-upstream-v1-3-f6203753232b@collabora.com> References: <20240601-b4-rk3588-bridge-upstream-v1-0-f6203753232b@collabora.com> In-Reply-To: <20240601-b4-rk3588-bridge-upstream-v1-0-f6203753232b@collabora.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Yao Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, kernel@collabora.com, Alexandre ARNOUD , Luis de Arquer X-Mailer: b4 0.14-dev-f7c49 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240601_061304_863772_4C844227 X-CRM114-Status: GOOD ( 12.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In preparation to add support for the HDMI 2.1 Quad-Pixel TX Controller and minimize code duplication, export dw_hdmi_i2c_adapter() while adding a new parameter to allow using a different i2c_algorithm. Signed-off-by: Cristian Ciocaltea --- drivers/gpu/drm/bridge/synopsys/dw-hdmi-common.h | 2 ++ drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 +++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-common.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-common.h index 28e26ac142e6..ffd2ee16466c 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-common.h +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-common.h @@ -146,6 +146,8 @@ struct dw_hdmi { }; void dw_handle_plugged_change(struct dw_hdmi *hdmi, bool plugged); +struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi, + const struct i2c_algorithm *algo); bool dw_hdmi_support_scdc(struct dw_hdmi *hdmi, const struct drm_display_info *display); diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index b66877771f56..5dd0e2bc080d 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -376,7 +376,8 @@ static const struct i2c_algorithm dw_hdmi_algorithm = { .functionality = dw_hdmi_i2c_func, }; -static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi) +struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi, + const struct i2c_algorithm *algo) { struct i2c_adapter *adap; struct dw_hdmi_i2c *i2c; @@ -392,7 +393,7 @@ static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi) adap = &i2c->adap; adap->owner = THIS_MODULE; adap->dev.parent = hdmi->dev; - adap->algo = &dw_hdmi_algorithm; + adap->algo = algo ? algo : &dw_hdmi_algorithm; strscpy(adap->name, "DesignWare HDMI", sizeof(adap->name)); i2c_set_adapdata(adap, hdmi); @@ -409,6 +410,7 @@ static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi) return adap; } +EXPORT_SYMBOL_GPL(dw_hdmi_i2c_adapter); static void hdmi_set_cts_n(struct dw_hdmi *hdmi, unsigned int cts, unsigned int n) @@ -3373,7 +3375,7 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, } } - hdmi->ddc = dw_hdmi_i2c_adapter(hdmi); + hdmi->ddc = dw_hdmi_i2c_adapter(hdmi, NULL); if (IS_ERR(hdmi->ddc)) hdmi->ddc = NULL; }