From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8C1241F7F5 for ; Mon, 6 Jul 2026 11:44:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.118.77.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783338244; cv=none; b=G/VnzWhHyMNrXH3EhHn77VfDeHWoKd89F2JDPE17WQl7pu+qODEGrCBaavJ7tKfvZxR5d6GYbS8X7yarML6I/F0bUqi9Jt/eOTGc04ljTnH7dZ/JEhY2BdNRolEsZIXnz1gBFkgXacOvtQvDztJ+YgKcLlUkfOHN5uUGf56ZUvk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783338244; c=relaxed/simple; bh=vqTV/NN3IIxZnPyrUEekxqa2b4u7f0NhXCm5RYz4yJg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:From:In-Reply-To: Content-Type:References; b=aaiibA3z7fASz9JHUxipEASuy10uZ1ok5fKujTsWQjvgldmMAEkAZTesTd0+eqOPvS5HuILQmAnBjkKZqGuTHKALHgvq6Ag4HT3/tl8azUMkscmHGVTan5wg68ZlolVxxNbMvNxqmnqkqnwqr1J9o8bsndP7ML4xLfJ3N8DfuFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=dJXtj9vs; arc=none smtp.client-ip=210.118.77.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="dJXtj9vs" Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20260706114353euoutp02207bed5f93591b1d9ee02190393cb3c6~-sKzDbLZW1927519275euoutp02S for ; Mon, 6 Jul 2026 11:43:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20260706114353euoutp02207bed5f93591b1d9ee02190393cb3c6~-sKzDbLZW1927519275euoutp02S DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1783338233; bh=nqr1opbDhH9F0LAMNJ4a9CWrw1f0QTtgW31VtzekU9A=; h=Date:Subject:To:Cc:From:In-Reply-To:References:From; b=dJXtj9vsYk2TkIfkX+cUJCMSrOiQrABnWhAqVubgIPjkuM8hKHf6/AdaOzeyEH0I0 2ATZR/Fiij+otlKsiC3eUx+eh6EcIFAXEa/6sU52SL+tSa+3skadSFdijgZW324rI8 oYD/ZriViT2tzAhCFHtKQkxNMk7g36VRNPKK6T7k= Received: from eusmtip2.samsung.com (unknown [203.254.199.222]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20260706114353eucas1p1df24b3124b60f43d0ef2b99dab3ce8f7~-sKyr3B6O0115801158eucas1p1t; Mon, 6 Jul 2026 11:43:53 +0000 (GMT) Received: from [106.210.134.192] (unknown [106.210.134.192]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20260706114351eusmtip2c2f689f473e8a5f17c34b702e1a8b533~-sKw4uC6q2896828968eusmtip2B; Mon, 6 Jul 2026 11:43:51 +0000 (GMT) Message-ID: <943cb5c6-d535-43cd-b1bf-ef23c46a8ec8@samsung.com> Date: Mon, 6 Jul 2026 13:43:50 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Betterbird (Windows) Subject: Re: [PATCH RESEND v4 0/3] drm/bridge: sii9234: use extcon to detect cable attachment To: Henrik Grimler , Dmitry Baryshkov , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Luca Ceresoli Cc: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux-kernel@vger.kernel.org Content-Language: en-US From: Marek Szyprowski In-Reply-To: <20260630124301.GA4736@localhost> Content-Transfer-Encoding: 7bit X-CMS-MailID: 20260706114353eucas1p1df24b3124b60f43d0ef2b99dab3ce8f7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20260630124317eucas1p274403ed88e4c0e567611cc397817b8b9 X-EPHeader: CA X-CMS-RootMailID: 20260630124317eucas1p274403ed88e4c0e567611cc397817b8b9 References: <20260602-exynos4-sii9234-driver-v4-0-9b2fc38e104a@grimler.se> <20260630124301.GA4736@localhost> +CC: Luca On 30.06.2026 14:43, Henrik Grimler wrote: > Hello, > > Friendly ping! This series has been reviewed/tested and still applies > cleanly on drm-misc-next, could it be merged? > > Best regards, > Henrik Grimler > > On Tue, Jun 02, 2026 at 08:36:47PM +0200, Henrik Grimler wrote: >> Hi, >> >> This series fixes so HDMI through the sii9234 MHL chip works when >> cable is hotplugged, by making the MHL chip use extcon cable detection >> functions. Patch 3, that actually implements the extcon parts, is heavily >> inspired by commit 688838442147 ("drm/bridge/sii8620: use micro-USB >> cable detection logic to detect MHL") by Maciej Purski. >> >> Before these changes, HDMI only worked if cable was plugged in before >> booting. If no cable was connected, then wlr-randr still showed HDMI >> as connected, with 0x0 px, which confused at least some UIs (phosh) >> and caused problems: >> https://gitlab.gnome.org/World/Phosh/phosh/-/issues/828 >> >> Tested on exynos4412-i9305. >> >> Best regards, >> Henrik Grimler >> >> Signed-off-by: Henrik Grimler >> --- >> Changes in v4: >> - Collect tags >> - Link to v3: https://lore.kernel.org/r/20250824-exynos4-sii9234-driver-v3-0-80849e716a37@grimler.se >> >> Changes in v3: >> - Fix return of dev_err_probe in patch 2 and patch 3, spotted by >> Dmitry and Marek respectively. >> - Change to depends on EXTCON || !EXTCON instead of select >> - Collect tags for patch 1 (not 3 since there were (minor) changes) >> - Link to v2: https://lore.kernel.org/r/20250724-exynos4-sii9234-driver-v2-0-faee244f1d40@grimler.se >> >> Changes in v2: >> - Add dependency on extcon in patch 3. Issue reported by kernel test robot >> - Link to v1: https://lore.kernel.org/r/20250721-exynos4-sii9234-driver-v1-0-2e47ed02f677@grimler.se >> >> --- >> Henrik Grimler (3): >> drm/bridge: sii9234: fix some typos in comments and messages >> drm/bridge: sii9234: use dev_err_probe where applicable >> drm/bridge: sii9234: use extcon cable detection logic to detect MHL >> >> drivers/gpu/drm/bridge/Kconfig | 1 + >> drivers/gpu/drm/bridge/sii9234.c | 124 +++++++++++++++++++++++++++++++-------- >> 2 files changed, 102 insertions(+), 23 deletions(-) >> --- >> base-commit: a87fef0880c4f52769b5a3c2fc1b2d73aaa04eb3 >> change-id: 20231218-exynos4-sii9234-driver-d817d4b511d5 >> >> Best regards, >> -- >> Henrik Grimler >> Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland