From patchwork Tue Apr 27 05:53:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 12225397 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E51E5C433ED for ; Tue, 27 Apr 2021 05:53:28 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8F530611C1 for ; Tue, 27 Apr 2021 05:53:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8F530611C1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E93C26E8F8; Tue, 27 Apr 2021 05:53:27 +0000 (UTC) Received: from mail-pg1-x533.google.com (mail-pg1-x533.google.com [IPv6:2607:f8b0:4864:20::533]) by gabe.freedesktop.org (Postfix) with ESMTPS id 074726E8F8 for ; Tue, 27 Apr 2021 05:53:26 +0000 (UTC) Received: by mail-pg1-x533.google.com with SMTP id z16so686917pga.1 for ; Mon, 26 Apr 2021 22:53:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ahbz/au3UbZNosIsF6EFm5aomtTD02orvpaKrCQHc40=; b=LWUJHbOKgdtJ6oX6D83nOjdlgK4s7GNJtDAuLp8ylGAzyCM6UBb/jzFgeJ7DGAbpJP DNd4vPaxPeiZXGX2WcIkffpVjQzwZ0a+WdyQspUanrHBH9B3DQvKHXAFXog1GY+Jg+I4 4uTRNikVtyX498tn5gK2eSioOe9mcDzsmfo+U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=ahbz/au3UbZNosIsF6EFm5aomtTD02orvpaKrCQHc40=; b=FJIfj1qQiROY8kv/k3rIVnJAQTfdNLnPUiXKrCOoxVFExALUNoiQ+wnDkhwa88EpWQ CzwAXDhRiG4dFxvgX1RgxrOCcmWcgLHf2VoXTSEePqXaYLfmwOOG2aSYVexn7DrtmUjE vJQ+XwlGHo6fCT1Gtjvs0cTwRWkWU0yaddWSbkBRdL8O3vNnaJL9LrEt/m7DwalbkEuz +jrSWqfeRs80rPKTPXPS9A4CMJL7clpP19rruMJxXfcPBGsTF9nB+T5gK1QDAZ1XnPqw P63s6UUrKd/fV/TK2YvO2a5aAkqkhmuB2EqgFlQxrPEvd8YFPlOKkSNpk7JQNFB/zdEU fVag== X-Gm-Message-State: AOAM533Yx6dTlbDfwpIAUcGgQEPUgzfOz10/6SsYbEgbqXSb4VuZKAeG 7WLRh4i8VWCZX/0PSbk+nhH92A== X-Google-Smtp-Source: ABdhPJzrGiIV8MdRDA3kGoxL5uIu6D4c5p2fXonC3FcGnjrTM+5T9wK9n28nao14b4ww4VXQLrSlMw== X-Received: by 2002:aa7:864b:0:b029:272:947e:85d7 with SMTP id a11-20020aa7864b0000b0290272947e85d7mr13782076pfo.45.1619502806391; Mon, 26 Apr 2021 22:53:26 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:3984:c4f5:8612:6b3e]) by smtp.gmail.com with ESMTPSA id b25sm1367457pfd.7.2021.04.26.22.53.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Apr 2021 22:53:25 -0700 (PDT) From: Hsin-Yi Wang To: Robert Foss Subject: [PATCH] drm/bridge: anx7625: Fix power on delay Date: Tue, 27 Apr 2021 13:53:20 +0800 Message-Id: <20210427055320.32404-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog 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: Jernej Skrabec , Jonas Karlman , David Airlie , Neil Armstrong , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Andrzej Hajda , Laurent Pinchart , Hsin-Yi Wang , Sam Ravnborg , Xin Ji Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From anx7625 spec, the delay between powering on power supplies and gpio should be larger than 10ms. Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power off") Signed-off-by: Hsin-Yi Wang Reviewed-by: Neil Armstrong --- drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 23283ba0c4f9..0a8db745cfd5 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx) usleep_range(2000, 2100); } - usleep_range(4000, 4100); + usleep_range(10000, 11000); /* Power on pin enable */ gpiod_set_value(ctx->pdata.gpio_p_on, 1);