From nobody Fri Feb 13 01:41:25 2026 Received: from ironport.ite.com.tw (60-251-196-230.hinet-ip.hinet.net [60.251.196.230]) (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 C2606748E for ; Tue, 4 Jun 2024 02:34:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=60.251.196.230 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717468489; cv=none; b=jrL5CX516bLLg5/t1a9PfliZ8LuacfR7WqrQmDcJSehKc6DSTRV27XhVy8eZUmA75/U0IEXdwSc9KSITOv81FDFY4l6BMsztNSjXKXDKwbeCD/BKy5cGiLi+oFxabKLbdNpEjKwyjAYXAuNNUizY5lpe5c9OP6yYAZFF70YzIMs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717468489; c=relaxed/simple; bh=EpJwlD2h3adGfeCbQchhxLhcjWAtcTed5L8RgNwp3lY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=qlaB/ridq/w7PiOhbAFL66ZtjXmY0FKhZ2ttY1bzDhc//8kkxnOhTSIISKr0upPtIpUjbClhWxNWz1xQaAMmntprIWI32vDFUdg5XDK3c1+9ClZBO0fjHSS8zH7xBEG3UaROn2XiQ0ql9a3py6VjSst7ysLjVXKNdX0UHGrU42A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ite.com.tw; spf=pass smtp.mailfrom=ite.com.tw; dkim=fail (0-bit key) header.d=ite.com.tw header.i=@ite.com.tw header.b=GeCo7aEQ reason="key not found in DNS"; arc=none smtp.client-ip=60.251.196.230 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ite.com.tw Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ite.com.tw Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=ite.com.tw header.i=@ite.com.tw header.b="GeCo7aEQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ite.com.tw; s=dkim; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=ongMRIDR9OJ67FPX959hIpLFcH5SoR5ACjgPGkxuvD4=; b=GeCo7aEQ1VpT4jZAxcyOm1qtfTcaSRkOQb3oIQ6N4/RitTv91zl3v7p2 3FGdDznDNM1EOv6ggm/o8P58uuUH9jM+0iaQaA4pqsQAeTxDsHgMyo4LU 2rUzIQFszOSoJDTiExz0AFmd0n/dXA2fIa/lEMNmExebDLunacE2/LRGU epMgXb3CfMHRTKKI7mpB79qXpCnBAinbf5cw0dF7mES09w7oLBoMNEjJl I3+aujMj8ewG3WBTU0kH3UdyUXpy9/MFAmMFCwraWpRWSGXqD9+5GBmcu hGdwL27XEWvVES0OW17plPTFjXprC8+z7Dm/BGAGac0o+HaACJg6NEiLU g==; Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 04 Jun 2024 10:33:34 +0800 Received: from CSBMAIL1.internal.ite.com.tw (CSBMAIL1.internal.ite.com.tw [192.168.65.58]) by mse.ite.com.tw with ESMTP id 4542XTSn057581; Tue, 4 Jun 2024 10:33:29 +0800 (GMT-8) (envelope-from kuro.chung@ite.com.tw) Received: from ite-XPS-13-9360.internal.ite.com.tw (192.168.72.42) by CSBMAIL1.internal.ite.com.tw (192.168.65.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Tue, 4 Jun 2024 10:33:28 +0800 From: kuro To: Pin-yen Lin , Kenneth Haung , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , , CC: Kuro Chung , Hermes Wu Subject: [PATCH v1] drm/bridge: it6505: update usleep_range for RC circuit charge time Date: Tue, 4 Jun 2024 10:44:05 +0800 Message-ID: <20240604024405.1122488-1-kuro.chung@ite.com.tw> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: CSBMAIL1.internal.ite.com.tw (192.168.65.58) To CSBMAIL1.internal.ite.com.tw (192.168.65.58) X-TM-SNTS-SMTP: A32F6B6386882D419C459589941F989605B411FE5A98B4AC4E9B5DC4CAEDA3DC2002:8 X-MAIL: mse.ite.com.tw 4542XTSn057581 Content-Type: text/plain; charset="utf-8" From: Kuro Chung The spec of timing between IVDD/OVDD and SYSRTEN is 10ms, but SYSRSTN RC circuit need at least 25ms for rising time, update for match spec Signed-off-by: Kuro Chung Signed-off-by: Hermes Wu --- drivers/gpu/drm/bridge/ite-it6505.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/i= te-it6505.c index cd1b5057ddfb4..1e1c06fdf2064 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -2615,7 +2615,7 @@ static int it6505_poweron(struct it6505 *it6505) gpiod_set_value_cansleep(pdata->gpiod_reset, 0); usleep_range(1000, 2000); gpiod_set_value_cansleep(pdata->gpiod_reset, 1); - usleep_range(10000, 20000); + usleep_range(25000, 35000); } =20 it6505->powered =3D true; --=20 2.25.1