From patchwork Thu Nov 17 20:38:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Davenport X-Patchwork-Id: 13047277 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 54DCEC433FE for ; Thu, 17 Nov 2022 20:39:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 334A810E67B; Thu, 17 Nov 2022 20:39:22 +0000 (UTC) Received: from mail-io1-xd30.google.com (mail-io1-xd30.google.com [IPv6:2607:f8b0:4864:20::d30]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8878210E657 for ; Thu, 17 Nov 2022 20:39:12 +0000 (UTC) Received: by mail-io1-xd30.google.com with SMTP id p184so2312555iof.11 for ; Thu, 17 Nov 2022 12:39:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=HFWkWqQjI46OeczyUCkFpr7MHjvDvFUokPuH4qzo/bw=; b=BNcRyYo1cs5H5wz/ooc/TaJyoeJQ8emL3WoCGbpKPrfUS1nlvORE78y9bqw3y0Z5w+ w8ZqaO/V7hCEAv6ZwwP6eNc/npYjSfskSs1qpgMswcD5xRMpRkF/suTtrTX1DfSKkQzP IrFZpAM0rWr/KbthvifIe0mxC9QFGD97ng/4Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HFWkWqQjI46OeczyUCkFpr7MHjvDvFUokPuH4qzo/bw=; b=OKAxOgUpfl3/OIxUOrvYsUW31T41Wcs9XGj/NyinKh7Vq5NJA+xOwvigJgHYBPXIyR 5frqjqWMrd/5Rn3gRgAqWEZXG1zDjKI5gkYZimTfQsiDoJT4eKQY3VZy0U7qKcqRh021 4PC/GB16IeeNSMGcljl5y9M2l0A6Iox5yQEUwHxs8tVnZqq/ahBx1vbhWTKalpHUs7Wh Lob230uNEfKy045RYhgHOTlJFGRApKQ7Rhcvyu1OWwolEp8xaM++ylOJjuGKyHfRJ/uU CFIO/0sCY4zKQUgAoqUym5kN6vuQKic3R+BN6Z1g3QXBmAidGD4l6zaFEBOXuTFe8Rqz rCHw== X-Gm-Message-State: ANoB5pn7Ho358l6R0t8WxI+n4idRZO3ELW/8nIM2VZoGeLdu06Dm8Gnb BtiN0bNbFuvEOhuR6MrRaI52k8VdsGEKbQ== X-Google-Smtp-Source: AA0mqf5+BPEGrp46T/YWlC2wc+z8vnTOZvFcMl/0RZ2ToQg3vrCmVrcjDa9tb5KKgV2l07n5Xp5jIA== X-Received: by 2002:a05:6638:4907:b0:375:ca55:284e with SMTP id cx7-20020a056638490700b00375ca55284emr1888278jab.248.1668717551175; Thu, 17 Nov 2022 12:39:11 -0800 (PST) Received: from midworld.bld.corp.google.com ([2620:15c:183:200:b285:6808:3f3e:f538]) by smtp.gmail.com with ESMTPSA id d191-20020a0262c8000000b00363da904602sm570192jac.13.2022.11.17.12.39.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 12:39:10 -0800 (PST) From: Drew Davenport To: dri-devel@lists.freedesktop.org Subject: [PATCH 4/5] drm/bridge/parade-ps8640: Extend autosuspend Date: Thu, 17 Nov 2022 13:38:47 -0700 Message-Id: <20221117133655.4.If6153da69ec4bc9e83d5f095ef6e6b07283940a5@changeid> X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog In-Reply-To: <20221117133655.1.I51639dc112bbbe27259df6bdad56dbabd655d91a@changeid> References: <20221117133655.1.I51639dc112bbbe27259df6bdad56dbabd655d91a@changeid> 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: Neil Armstrong , Andrzej Hajda , Jonas Karlman , Robert Foss , dianders@chromium.org, Jernej Skrabec , linux-kernel@vger.kernel.org, Laurent Pinchart , Drew Davenport Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Same change as done for panel-samsung-atna33xc20. Extend the autosuspend delay to avoid oscillating between power status during boot. Signed-off-by: Drew Davenport Reviewed-by: Douglas Anderson --- drivers/gpu/drm/bridge/parade-ps8640.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c index 6a614e54b383c..f74090a9cc9e8 100644 --- a/drivers/gpu/drm/bridge/parade-ps8640.c +++ b/drivers/gpu/drm/bridge/parade-ps8640.c @@ -734,13 +734,13 @@ static int ps8640_probe(struct i2c_client *client) pm_runtime_enable(dev); /* * Powering on ps8640 takes ~300ms. To avoid wasting time on power - * cycling ps8640 too often, set autosuspend_delay to 1000ms to ensure + * cycling ps8640 too often, set autosuspend_delay to 2000ms to ensure * the bridge wouldn't suspend in between each _aux_transfer_msg() call * during EDID read (~20ms in my experiment) and in between the last * _aux_transfer_msg() call during EDID read and the _pre_enable() call * (~100ms in my experiment). */ - pm_runtime_set_autosuspend_delay(dev, 1000); + pm_runtime_set_autosuspend_delay(dev, 2000); pm_runtime_use_autosuspend(dev); pm_suspend_ignore_children(dev, true); ret = devm_add_action_or_reset(dev, ps8640_runtime_disable, dev);