From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 C67354E06F8 for ; Thu, 15 Oct 2026 09:49:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792057766; cv=none; b=nzORgbmSseht1S3Q7lrGnLMkwzK/pBmuaA4zhAX3MSoL4XmTPJTDdleQSZ5l/xTYGjTU3FquDRjJb+ZDhZIe/vgPNrBLSZGA01xhPGCMIiTXqX3gtJiWQY8fZzo/DvjBQ6C5u9emL5MqT1jNGPbD4p6RCQlbTeoWzdtZtth40mM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792057766; c=relaxed/simple; bh=h/zeN9abQchJxblD3VwFflOV2nY/5MWFgqGJDt6HPqs=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=iybWqDMZQOnJ2mV8QmGsbeupEkqv2kaNod/cifaPhx35STtvabfsFSDZQIc9B7OEpdc2Wh1RBblpxgfvJ9pt2ayX8vpUgtgvGwtgvL+he+k0dXQ3P8SATV0jixK4X+Vw+MQnDRbFhF8lIlKQns5FcG/xlmzYGUlfvbwR12MRwJg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=s0b1vB3X; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="s0b1vB3X" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id D097C4E41246; Thu, 15 Oct 2026 09:49:21 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 9C05460360; Thu, 15 Oct 2026 09:49:21 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 2FD9210328BBA; Thu, 15 Oct 2026 11:49:11 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1792057759; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding; bh=FWcYHpK8CdG5em5BjygV1FcmzuhmkAxaHza1OitPJpE=; b=s0b1vB3X8OGEInO9qWhWKrGDdPDH+RomF9eS9eCha6LbN7XZmmU7ZSd8PfTAimpAziRBTO pumhXgDh52+rDOWBx4bJtSqB3hRjBb/nOW3NCwZUYiYKn3OxlvxXPCGS9TMvWmDZ7uzrOp eUz9PihlAHcXJPY+DEZOOT9IA4B968Qjsbuzdj2ezEtSfbE+n+GW/QyopVLKmBKwPJ6K4a BliDRPa1gI6STMudISStt27l/b8/jyGQmGp520erto+J1IEi4gT5NueRjkUcG0xGsqWiQj JZfALh49dqjzl9j2gxmFtcilLh8BJ58ieVGf7Mw+jmcIrUMWu+tme53E1JvfKA== From: Luca Ceresoli Subject: [PATCH 0/3] drm/bridge: ite-it66121: use bulk read, improve probe logging Date: Thu, 15 Oct 2026 11:48:45 +0200 Message-Id: <20261015-drm-ite-it66121-log-probe-errors-v1-0-7fd6994e0be0@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/yXNQQ6CQAyF4auQrm1CJ3FAr2JcwNDBGmVIOxgSw t0Zdfm9xf82MFZhg2u1gfJHTNJUQKcKwqObRkYZisHVzlNNZxz0jZLLnL0nR/hKI86aekZWTWp 4CW2IHNuuiQ2UzKwcZf1d3O5/29I/OeRvF/b9AAvraBOEAAAA X-Change-ID: 20261015-drm-ite-it66121-log-probe-errors-9c8cfef8a7f7 To: Phong LE , Neil Armstrong , Andrzej Hajda , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Javier Martinez Canillas , Julien Chauveau Cc: Paul Cercueil , Nishanth Menon , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Luca Ceresoli X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 This small series improves it66121_probe() in various ways: * use a bulk read for reading the vendor and device ID registers * log errors in ID reading and matching instead of failing silently * on successful probe be quiet on !DEBUG, more informative on DEBUG Signed-off-by: Luca Ceresoli --- Luca Ceresoli (3): drm/bridge: ite-it66121: improve reading IDs and log on errors drm/bridge: ite-it66121: log an error if the IDs do not match drm/bridge: ite-it66121: make successful probe quiet drivers/gpu/drm/bridge/ite-it66121.c | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) --- base-commit: 49477cc277e0a432a8c08766b8ec764ee69622a7 change-id: 20261015-drm-ite-it66121-log-probe-errors-9c8cfef8a7f7 Best regards, -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com