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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 83976CCD195 for ; Fri, 17 Oct 2025 13:46:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References: List-Owner; bh=eCMHFpOBnHk7i/M/Td5GSLA4CK5BJy8LfeJ4gWYKbZo=; b=lGmXFdCYmr585M 2f6Ve9UJGRVKogE4fF32UEbm3iifLOTHYKWlIgHKbI9utiWq6zrO2eCqa8/U6oe3KneYCGdkbR5vw p9bAmo85LNcLCgo3ajz6YzJmBShg4LUiTrB5UJoK5xy9jud+S/sGK2Ajekpnpvyx8OtVnSJhuGloH iHXsW62Lgr0uBr542yE+mOqIwzPKrjoFRfVNX4Hw+JliH675R4Zhw37NBj9V1TO8Xn2r+rdK/ZEfi sJn1c2Y+FYAFPwE288vqptwHS7GwHjWX9ZqloYrBQvEOlBxfA+dCTlk5BTVjujpIgT31QtjRE6Xll uhu82E/h/Z2OpN2UfUjg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9kmM-00000007yCL-1F8F; Fri, 17 Oct 2025 13:45:58 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v9kmK-00000007yBp-3WvH for linux-rockchip@lists.infradead.org; Fri, 17 Oct 2025 13:45:56 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 4A074602C0; Fri, 17 Oct 2025 13:45:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA58AC4CEE7; Fri, 17 Oct 2025 13:45:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760708756; bh=tuwnSb9TH+cevkh2/f4qKgeRV6Xx5R3TxYUye1mrYXQ=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=srRHJW4nQ1b0MVA9JNlW2F4ekn1+j9gKj63pFwk39saI8PUpq1ruf2WNlXSwTqumL 2Ex2TP2p1UFI0qI7Y3LwQ87X1aK/71pllKS3NaWNrGvd86HoT6LOCaeUkTBkHSdgYU 4+1bQGGUtWS2OHNWt4rw4VQDSHKfzM2AwTluewPyPZgmjoE7oqExowX+oK6V1+rPoN qauXtpkyTGw/DhLAtgINBExJmMY91MXlm4WofI2FeJBmOyQYJ7o+WZnlGCcoKCmsz2 D719sDFnCvDXzUFXZkQzp4VIGkoKN2Sy2wm73uZ92IUPsATzOl9Zd9lT/odA3JV1iG 9DIXzS1EXp56A== Date: Fri, 17 Oct 2025 08:45:54 -0500 From: Bjorn Helgaas To: Manivannan Sadhasivam Cc: Shawn Lin , Manivannan Sadhasivam , Niklas Cassel , Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, "David E. Box" , Kai-Heng Feng , "Rafael J. Wysocki" , Heiner Kallweit , Chia-Lin Kao , Dragan Simic , linux-rockchip@lists.infradead.org, regressions@lists.linux.dev, FUKAUMI Naoki Subject: Re: [PATCH v2 1/2] PCI/ASPM: Override the ASPM and Clock PM states set by BIOS for devicetree platforms Message-ID: <20251017134554.GA1027663@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4pm5tizc2c4c75h23izalhysuljnlfzpxuawhzezmnnqic2tdf@l2rcj24rmru3> X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org T24gRnJpLCBPY3QgMTcsIDIwMjUgYXQgMDY6MjQ6MjZQTSArMDUzMCwgTWFuaXZhbm5hbiBTYWRo YXNpdmFtIHdyb3RlOgo+IE9uIEZyaSwgT2N0IDE3LCAyMDI1IGF0IDA4OjE5OjExUE0gKzA4MDAs IFNoYXduIExpbiB3cm90ZToKPiA+IOWcqCAyMDI1LzEwLzE3IOaYn+acn+S6lCAxODowNCwgTWFu aXZhbm5hbiBTYWRoYXNpdmFtIOWGmemBkzoKPiA+ID4gT24gRnJpLCBPY3QgMTcsIDIwMjUgYXQg MDU6NDc6NDRQTSArMDgwMCwgU2hhd24gTGluIHdyb3RlOgo+IC4uLgoKPiA+ID4gPiBXaGlsZSB3 ZSdyZSBvbiB0aGUgdG9waWMgb2YgQVNQTSwgbWF5IEkgYXNrIGEgc2lsbHkgcXVlc3Rpb24/Cj4g PiA+ID4gSSBzYXcgdGhlIEFTUE0gd291bGQgb25seSBiZSBjb25maWd1cmVkIG9uY2UgdGhlIGZ1 bmN0aW9uCj4gPiA+ID4gZHJpdmVyIGNhbGxpbmcgcGNpX2VuYWJsZV9kZXZpY2UuIFNvIGlmIHRo ZSBtb2R1bGFyIGRyaXZlcgo+ID4gPiA+IGhhc24ndCBiZWVuIGluc21vZGVkLCB0aGUgbGluayB3 aWxsIGJlIGluIEwwIGV2ZW4gdGhvdWdoIHRoZXJlCj4gPiA+ID4gaXMgbm8gdHJhbnNjYXRpb24g b24tZ29pbmcuIFdoYXQgaXMgdGhlIGludGVudGlvbiBiZWhpbmQgaXQ/Cj4gPiA+IAo+ID4gPiBJ IGRvbid0IHNlZSB3aGVyZSBBU1BNIGlzIGNvbmZpZ3VyZWQgZHVyaW5nIHBjaV9lbmFibGVfZGV2 aWNlKCkuCj4gPiA+IEl0IGlzIGN1cnJlbnRseSBjb25maWd1cmVkIGZvciBhbGwgZGV2aWNlcyBk dXJpbmcKPiA+ID4gcGNpX3NjYW5fc2xvdCgpLgo+ID4gCj4gPiBUaGlzIGlzIHRoZSBkdW1wX3N0 YWNrKCkgd2hlcmUgSSBvYnNlcnZlZC4gSWYgSSBjb21waWxlIE5WTWUKPiA+IGRyaXZlciBhcyBh IG1vZHVsZSBhbmQgbmV2ZXIgaW5zbW9kIGl0LCB0aGUgbGluayBpcyBhbHdheXMgaW4gTDAsCj4g PiBuYW1lbHkgQVNQTSBEaXNhYmxlZC4KPiAKPiBJIGd1ZXNzIHRoaXMgY29tbWVudCBhbnN3ZXJz IHlvdXIgcXVlc3Rpb246Cj4gaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tl cm5lbC9naXQvdG9ydmFsZHMvbGludXguZ2l0L3RyZWUvZHJpdmVycy9wY2kvcGNpZS9hc3BtLmM/ aD12Ni4xOC1yYzEjbjExNzkKClRoZSBjb21tZW50IGlzOgoKICAgKiBBdCB0aGlzIHN0YWdlIGRy aXZlcnMgaGF2ZW4ndCBoYWQgYW4gb3Bwb3J0dW5pdHkgdG8gY2hhbmdlIHRoZQogICAqIGxpbmsg cG9saWN5IHNldHRpbmcuIEVuYWJsaW5nIEFTUE0gb24gYnJva2VuIGhhcmR3YXJlIGNhbiBjcmlw cGxlCiAgICogaXQgZXZlbiBiZWZvcmUgdGhlIGRyaXZlciBoYXMgaGFkIGEgY2hhbmNlIHRvIGRp c2FibGUgQVNQTSwgc28KICAgKiBkZWZhdWx0IHRvIGEgc2FmZSBsZXZlbCByaWdodCBub3cuIElm IHdlJ3JlIGVuYWJsaW5nIEFTUE0gYmV5b25kCiAgICogdGhlIEJJT1MncyBleHBlY3RhdGlvbiwg d2UnbGwgZG8gc28gb25jZSBwY2lfZW5hYmxlX2RldmljZSgpIGlzCiAgICogY2FsbGVkLgoKSSBk b24ndCB0aGluayByZWx5aW5nIG9uIGEgZHJpdmVyIHRvIGRpc2FibGUgQVNQTSB0byBhdm9pZCBi cm9rZW4KaGFyZHdhcmUgaXMgdGhlIHJpZ2h0IGFuc3dlci4gIElmIHRoZSBkcml2ZXIgaXMgbmV2 ZXIgbG9hZGVkLCB3ZSB3YXN0ZQpwb3dlci4gIEFuZCBpZiB0aGUgdXNlciBlbmFibGVzIEFTUE0g dmlhIHN5c2ZzLCBhcHBhcmVudGx5IHRoZSBkZXZpY2UKbWF5IGJlIGNyaXBwbGVkLgoKSSB0aGlu ayBpdCB3b3VsZCBiZSBiZXR0ZXIgdG8gaGF2ZSBhbiBlbnVtZXJhdGlvbi10aW1lIHF1aXJrIHRv IGtlZXAKdXMgZnJvbSBlbmFibGluZyBBU1BNLiAgV2UgbWlnaHQgdHJpcCBvdmVyIHNvbWUgb2Yg dGhpcyBicm9rZW4KaGFyZHdhcmUsIGJ1dCBJIGRvbid0IHRoaW5rIHRoZXJlIGFyZSB2ZXJ5IG1h bnkgZHJpdmVycyB0aGF0IGZpZGRsZQp3aXRoIEFTUE0sIHNvIHdlIHNob3VsZCBiZSBhYmxlIHRv IGJlIHByb2FjdGl2ZSBhYm91dCBpdC4KCj4gQnV0IHdpdGggdGhlIHJlY2VudCBBU1BNIGNoYW5n ZSwgdGhlIEFTUE0gc2V0dGluZ3MgZm9yIERUIHBsYXRmb3Jtcwo+IHdpbGwgYmUgYXBwbGllZCBi ZWZvcmUgcGNpX2VuYWJsZV9kZXZpY2UoKS4gQWxzbywgdGhlIGNvbW1lbnQgaXMKPiBzb21ld2hh dCBvdXRkYXRlZCBhcyB3ZSBnZW5lcmFsbHkgZG8gbm90IHdhbnQgUENJIGNsaWVudCBkcml2ZXJz IHRvCj4gZW5hYmxlL2Rpc2FibGUgQVNQTSBub3dhZGF5cy4gVGhleSBjYW4gaG93ZXZlciBkbyBp dCB1bmRlciBzcGVjaWZpYwo+IGNpcmN1bXN0YW5jZXMuCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1yb2NrY2hpcCBtYWlsaW5nIGxpc3QKTGlu dXgtcm9ja2NoaXBAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJvY2tjaGlwCg==