From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A68B9606A329 for ; Tue, 3 Nov 2026 22:34:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=e8mlnSAa; dkim=pass (2048-bit key, unprotected) header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=VjdJDFys DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=mUVAYeIeS0pGb++9O7IAV5dyWYaWTCaE2wpCDRchVW4=; b=e8mlnSAaYVRkBA4dPafm5hBXq0 ygIVKL0JQHfdwPDwi5L2+BsMzTjQ0NljZ7BQ4DKO72KeZpPWXk3mDTON39dhHmplr2bYwCrkCx57E 9GqX/LTuCvnHJ03BzxM4cYA9PFnIPC9p+OSuRH4MC+6O5zvTKMqfHghRc7kM7QQNPoLzDwe9DZgES IM2bI/LPUJbvd5QwMzryUoS6CSnxV2Mc2cJC4NlKIt3JqJ5xLYl6W6KErhfvR9WwjzTRggzKDWQR1 m9wKKs+3awDbGckQRjVg8zERllku+k2V+TW10C/4knHimdPA+rgyL+UjjIlmD77tWYUxKIB2Swqq1 25lBLKgg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xON5V-00000003rJr-1ntF; Tue, 03 Nov 2026 22:34:41 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xON5S-00000003rJ6-2h77; Tue, 03 Nov 2026 22:34:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=mUVAYeIeS0pGb++9O7IAV5dyWYaWTCaE2wpCDRchVW4=; b=VjdJDFyskLCLPZlvGcegvYUdtF +OTeh3I0nCog7bs/WfDEV64J1B5qA7R1NWQ8hZWr256a6gHP3zQxK4CvdVfM2HopgnLlIF0hutX6P 1IE5pccn3hwjD2EhdDExhb/EtmNTXPuOYI2LERzqMeo+zXX+V6mbgRO7J1ehgqzQr60hncPg0oY6H eyZ8S/WMRM80RLeUWRR+RN58B3frtNwnUjiSKKyFffCP1Vt0UjEYUx5LTGQUYYg2sUEU+QRaEV6Cw 5+bqAhJzyAC6wOn0AfHdBdjjQvxQsg9QGWRYWEnC7k6zo7mJ2JrH14y5Ua/RbrxzTiFqjAagRdV1l /2XSHJzQ==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: tomeu@tomeuvizoso.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, ulfh@kernel.org, p.zabel@pengutronix.de, ogabbay@kernel.org, zhangqing@rock-chips.com, Jiaxing Hu Cc: royalnet026@gmail.com, abel.vesa@oss.qualcomm.com, sebastian.reichel@collabora.com, sidong.yang@furiosa.ai, u.kleine-koenig@baylibre.com, chaoyi.chen@rock-chips.com, diederik@cknow-tech.com, alchark@flipper.net, leonard@lausen.nl, jeff.hugo@oss.qualcomm.com, rfoss@kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, iommu@lists.linux.dev, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jiaxing Hu Subject: Re: [PATCH v15 09/15] pmdomain: rockchip: add optional per-domain power-on settle delay Date: Tue, 03 Nov 2026 23:34:12 +0100 Message-ID: <1846076.jNaZZp9DzI@diego> In-Reply-To: <20261101082307.151957-10-gahing@gahingwoo.com> References: <20261101082307.151957-1-gahing@gahingwoo.com> <20261101082307.151957-10-gahing@gahingwoo.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261103_143438_681159_9B45A505 X-CRM114-Status: GOOD ( 10.99 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Am Sonntag, 1. November 2026, 09:23:01 Mitteleurop=C3=A4ische Normalzeit sc= hrieb Jiaxing Hu: > The RK3576 NPU domains need a short settle time after the idle request is > released before the registers behind the domain answer. Without it the QoS > writes that rockchip_pmu_restore_qos() issues land while the domain is > still coming up, and the NPU throws an async SError on the first cold > power-on. >=20 > Give rockchip_domain_info an optional delay_us and wait for it between > releasing idle and restoring QoS. Rename DOMAIN_M_O_R_G to > DOMAIN_M_O_R_G_W for the settle delay it now carries; RK3576 is its only > user, so the old spelling is not kept around. >=20 > The macro also takes the regulator argument DOMAIN_M_O_R and DOMAIN_M_R > already have, and RK3576_PD_NPU passes true, so > rockchip_pm_add_one_domain() powers that domain off at probe and the delay > runs on the first power-on even when a bootloader left the NPU up. >=20 > Signed-off-by: Jiaxing Hu > Reviewed-by: Abel Vesa Reviewed-by: Heiko Stuebner