From patchwork Sat Feb 12 14:19:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "H. Nikolaus Schaller" X-Patchwork-Id: 12744303 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 8CB30C43219 for ; Sat, 12 Feb 2022 14:19:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C18A710E522; Sat, 12 Feb 2022 14:19:51 +0000 (UTC) Received: from mo4-p04-ob.smtp.rzone.de (mo4-p04-ob.smtp.rzone.de [85.215.255.122]) by gabe.freedesktop.org (Postfix) with ESMTPS id 833FE10E46A for ; Sat, 12 Feb 2022 14:19:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1644675573; s=strato-dkim-0002; d=goldelico.com; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Cc:Date: From:Subject:Sender; bh=OnmHjCLh5RkKuftzeE4ShHYwcqkWiFyT0Gj+xcgUmbQ=; b=ZneUeoUJLCidnPlGjTclbmIt2OHWSplmBp1Vzg4yov1z3FEpZu7bKJ07c++cvu05KS x6IaHU3UOB6gV26fM//7vwBd5uRUgbp1sXJVs3r88Q8OM01xKySmlOiyAywlxu9qy4j6 j1Px+ZaNKU0IKyNBvKoQaba7cwHkQCYRCOVRYWpsPWfbA1t0fjkLe12uuSOMkzB59sfG BEGFu+ikupkyl6VuRo/5fxZGYAv9eDCQI3CyvOWh31F+R7O5F+ddYfWC7ah4o+RQgc09 bbvIc+FSuTg2MmCuiFl3Zapzjff3BvLC9NBhp3ObeB/zCSWgKwfIi98IP1SPg+3gXqWT Dmag== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMhflhwDubTJ9o1OAA2UMf2MwPVblcdY=" X-RZG-CLASS-ID: mo00 Received: from iMac.fritz.box by smtp.strato.de (RZmta 47.39.0 DYNA|AUTH) with ESMTPSA id L29417y1CEJXsqY (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Sat, 12 Feb 2022 15:19:33 +0100 (CET) From: "H. Nikolaus Schaller" To: Paul Cercueil , Rob Herring , Mark Rutland , Thomas Bogendoerfer , "H. Nikolaus Schaller" , Geert Uytterhoeven , Kees Cook , "Eric W. Biederman" , Miquel Raynal , David Airlie , Daniel Vetter , Neil Armstrong , Robert Foss , Laurent Pinchart , Jernej Skrabec , Harry Wentland , Sam Ravnborg , Maxime Ripard , Hans Verkuil , Liam Girdwood , Mark Brown , Paul Boddie , Andrzej Hajda , Kieran Bingham Subject: [PATCH v14 7/9] drm/ingenic: dw-hdmi: make hot plug detection work for CI20 Date: Sat, 12 Feb 2022 15:19:25 +0100 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: References: MIME-Version: 1.0 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: , Cc: devicetree@vger.kernel.org, Jonas Karlman , linux-mips@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, letux-kernel@openphoenux.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" There is no hpd-gpio installed on the CI20 board HDMI connector. Hence there is no hpd detection by the connector driver and we have to enable polling by the dw-hdmi driver. We need to set .poll_enabled but that struct component can only be accessed in the core code. Hence we use the public setter function drm_kms_helper_hotplug_event(). Signed-off-by: H. Nikolaus Schaller --- drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c b/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c index 34e986dd606cf..90547a28dc5c7 100644 --- a/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c +++ b/drivers/gpu/drm/ingenic/ingenic-dw-hdmi.c @@ -55,6 +55,8 @@ ingenic_dw_hdmi_mode_valid(struct dw_hdmi *hdmi, void *data, if (mode->clock > 216000) return MODE_CLOCK_HIGH; + dw_hdmi_enable_poll(hdmi, true); + return MODE_OK; }