From nobody Mon Apr 6 11:53:13 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FA8FC54EE9 for ; Thu, 22 Sep 2022 12:52:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231637AbiIVMwy (ORCPT ); Thu, 22 Sep 2022 08:52:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231424AbiIVMwt (ORCPT ); Thu, 22 Sep 2022 08:52:49 -0400 X-Greylist: delayed 567 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 22 Sep 2022 05:52:46 PDT Received: from smtp-190a.mail.infomaniak.ch (smtp-190a.mail.infomaniak.ch [IPv6:2001:1600:4:17::190a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7B0CCE11F7 for ; Thu, 22 Sep 2022 05:52:45 -0700 (PDT) Received: from smtp-3-0000.mail.infomaniak.ch (unknown [10.4.36.107]) by smtp-3-3000.mail.infomaniak.ch (Postfix) with ESMTPS id 4MYFLs0F6WzMpvFw; Thu, 22 Sep 2022 14:43:17 +0200 (CEST) Received: from philippe-pc.toradex.int (unknown [31.10.206.125]) by smtp-3-0000.mail.infomaniak.ch (Postfix) with ESMTPA id 4MYFLr4bfzzx4; Thu, 22 Sep 2022 14:43:16 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=pschenker.ch; s=20220412; t=1663850596; bh=rPRq0sZw9ssZ1DOgDKQ+DheMaamSeVNAcj9Urfa5r+Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=di9Svk+N3G3GlNs89fp8R6/eavGQmIAwGU378ycae64rVgx19NkobiulRhs0LEygH saQe07et07Zon9c9xQjot48c90LT/vUeeyUt3YmEWJUrT9mM1Md7cVDf+1DZ9bjwkw vJ/MqjiihulFIcSCR/sVY1f6wGNvMA1faz7NJ4lA= From: Philippe Schenker To: dri-devel@lists.freedesktop.org, Adrien Grassein Cc: Jernej Skrabec , Jonas Karlman , Robert Foss , linux-kernel@vger.kernel.org, Daniel Vetter , Neil Armstrong , Laurent Pinchart , Andrzej Hajda , David Airlie , Philippe Schenker Subject: [PATCH 2/4] drm/bridge: lt8912b: set hdmi or dvi mode Date: Thu, 22 Sep 2022 14:43:04 +0200 Message-Id: <20220922124306.34729-3-dev@pschenker.ch> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220922124306.34729-1-dev@pschenker.ch> References: <20220922124306.34729-1-dev@pschenker.ch> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Philippe Schenker The Lontium LT8912 does have a setting for DVI or HDMI. This patch reads from EDID what the display needs and sets it accordingly. Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge") Signed-off-by: Philippe Schenker Acked-by: Adrien Grassein --- drivers/gpu/drm/bridge/lontium-lt8912b.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bri= dge/lontium-lt8912b.c index 0fd3472e767c..6a4bb7422176 100644 --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c @@ -323,6 +323,8 @@ static int lt8912_video_setup(struct lt8912 *lt) vsync_activehigh ? BIT(0) : 0); ret |=3D regmap_update_bits(lt->regmap[I2C_MAIN], 0xab, BIT(1), hsync_activehigh ? BIT(1) : 0); + ret |=3D regmap_update_bits(lt->regmap[I2C_MAIN], 0xb2, BIT(0), + lt->connector.display_info.is_hdmi ? BIT(0) : 0); =20 return ret; } --=20 2.37.3