From mboxrd@z Thu Jan 1 00:00:00 1970 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61EF0C43334 for ; Thu, 21 Jul 2022 15:06:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230147AbiGUPGM (ORCPT ); Thu, 21 Jul 2022 11:06:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231522AbiGUPGL (ORCPT ); Thu, 21 Jul 2022 11:06:11 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C2E71A072; Thu, 21 Jul 2022 08:06:10 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 442F9B82563; Thu, 21 Jul 2022 15:06:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C6E0CC341C6; Thu, 21 Jul 2022 15:06:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658415967; bh=iEmEa1bghQME4Urn4Btl4Eo1lTevDlz0kqraFSy09hc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=riv6ZOqYjXfsw3vz7TWUc+dE1jas5CVrJ8sM2kOqp3U0S+3rILBVwGJEo/nSyix36 KWA0iV/BZqHlzRcHiXqgn82fZPCspGJgHraeJu1rNdrHvkYClIxqU6NjVto/Z7BVZT bHRbsgAC2WbhotfT7/ppHJ5UQhl8ETOwfsy1nua1i2ML9X1kUPRuBMnoP8xl1NrGBj MjZTvhH9XQetIPDNb2Drsq2GF3jMWRh4cUCOrkriRXVyGLS6ya4iSIQYfnVQpaH6Ft CqHGnI/PFVFDvksibRC4kwK6tmOZeGyKpDs6LcgeDp5mXlMemkstH16TNSYJMSQ5kh ZyFAhyc0Xjg1Q== Date: Thu, 21 Jul 2022 16:05:59 +0100 From: Mark Brown To: Doug Anderson Cc: Dmitry Baryshkov , Johan Hovold , Kuogee Hsieh , Bjorn Andersson , Vinod Koul , dri-devel , Rob Clark , Sean Paul , Stephen Boyd , Daniel Vetter , David Airlie , Andy Gross , "Abhinav Kumar (QUIC)" , "Aravind Venkateswaran (QUIC)" , Sankeerth Billakanti , freedreno , linux-arm-msm , LKML , Liam Girdwood , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski Subject: Re: [PATCH v16 0/3] eDP/DP Phy vdda realted function Message-ID: References: <1657038556-2231-1-git-send-email-quic_khsieh@quicinc.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="4+965gYIfqnlK5HS" Content-Disposition: inline In-Reply-To: X-Cookie: Exercise caution in your daily affairs. Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org --4+965gYIfqnlK5HS Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jul 21, 2022 at 07:49:55AM -0700, Doug Anderson wrote: > Every single LDO on Qualcomm's PMICs seems to be able to be set in > "high power mode" and "low power mode", but I think the majority of > clients only really care about two things: on and in high power mode > vs. off. I think the amount of stuff peripherals can do in low power > mode is super limited, so you have to be _really_ sure that the > peripheral won't draw too much current without you having a chance to > reconfigure the regulator. *Generally* a low power mode would be mainly useful for low power retention type states, not active use. --4+965gYIfqnlK5HS Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmLZa1YACgkQJNaLcl1U h9C/YwgAggSqJZzhNITYTlghSm/AWQaIAIVhEGIeegfsi2pZcxO5KOqw/xYl+q4A D2JtlyMbsXW5ca0/fk45/87qmjXS5UfIBQliyfda4upNtQ2lPbAUe9fpltwGmOPY f3xRGPlyKZNXAtNya9RCUJwYcG9zi4QIplBvRF0rvNdd+hkvfsOqVUcD8f7xB+GN aW67ivRaseeGqFewmetRGUj4QC8Gr8cZgkc1YYSAAHHFlKToY3G8WiF4v2Y2tfNh I2DK6ADm/mkXCqqqNXcozM9994DU8jR0GK1Be1PGoxOFnYpwxR57CuP0NB+9v+n8 4sW5BhjQndCZ6vsuX8fHcwaH5PIU+Q== =auZa -----END PGP SIGNATURE----- --4+965gYIfqnlK5HS--