From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: Seeing conflict with IPMMU driver under ACPI Date: Tue, 19 Sep 2017 10:13:36 +0300 Message-ID: <3844394.PedeR4fNcQ@avalon> References: <2844194.3pNGIKcM4n@avalon> <49EA67E4-A526-4F47-9D3A-18E458850E03@caviumnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <49EA67E4-A526-4F47-9D3A-18E458850E03@caviumnetworks.com> Sender: linux-renesas-soc-owner@vger.kernel.org To: "Jasty, Ananth" Cc: "magnus.damm@gmail.com" , "linux-renesas-soc@vger.kernel.org" , "robin.murphy@arm.com" , dann frazier , "laurent.pinchart+renesas@ideasonboard.com" , "geert+renesas@glider.be" , "iommu@lists.linux-foundation.org" List-Id: iommu@lists.linux-foundation.org SGkgQW5hbnRoLAoKT24gVHVlc2RheSwgMTkgU2VwdGVtYmVyIDIwMTcgMDk6NTQ6NDkgRUVTVCBK YXN0eSwgQW5hbnRoIHdyb3RlOgo+IE9uIFNlcCAxOCwgMjAxNywgYXQgMTE6NDkgUE0sIExhdXJl bnQgUGluY2hhcnQgd3JvdGU6Cj4gPiBPbiBUdWVzZGF5LCAxOSBTZXB0ZW1iZXIgMjAxNyAwMzo0 MzowNSBFRVNUIEphc3R5LCBBbmFudGggd3JvdGU6Cj4gPj4gSGksIHdpdGggeW91ciBJUE1NVSBk cml2ZXIgZW5hYmxlZCB1bmRlciA0LjEzIHdl4oCZcmUgc2VlaW5nIGEgY3Jhc2ggb24KPiA+PiBi b290Ogo+ID4+IAo+ID4+IFsgMTMuNzg1MTY0XSBVbmFibGUgdG8gaGFuZGxlIGtlcm5lbCBOVUxM IHBvaW50ZXIgZGVyZWZlcmVuY2UgYXQgdmlydHVhbAo+ID4+IGFkZHJlc3MgMDAwMDAwMTgKPiA+ PiBbIDEzLjc5MzI1NF0gWzAwMDAwMDAwMDAwMDAwMThdIHVzZXIgYWRkcmVzcyBidXQgYWN0aXZl X21tIGlzIHN3YXBwZXIKPiA+PiBbIDEzLjc5OTYwMF0gSW50ZXJuYWwgZXJyb3I6IE9vcHM6IDk2 MDAwMDA0IFsjMV0gU01QCj4gPj4gWyAxMy44MDQ0NjZdIE1vZHVsZXMgbGlua2VkIGluOiBhZXNf bmVvbl9icyBhZXNfbmVvbl9ibGsgY3J5cHRvX3NpbWQKPiA+PiBjcnlwdGQKPiA+PiBbIDEzLjgx MTMzNF0gQ1BVOiAxNTIgUElEOiAxNTI5IENvbW06IGt3b3JrZXIvMTUyOjEgTm90IHRhaW50ZWQK PiA+PiA0LjEzLjAtOS1nZW5lcmljICMxMC1VYnVudHUKPiA+PiBbIDEzLjgxOTU4NF0gSGFyZHdh cmUgbmFtZTogRGVmYXVsdCBzdHJpbmcgQ2F2aXVtIFRodW5kZXJYMi9EZWZhdWx0Cj4gPj4gc3Ry aW5nLCBCSU9TIDUuMTMgMDcvMjAvMjAxNwo+ID4+IFsgMTMuODI4Mjg1XSBXb3JrcXVldWU6IGV2 ZW50cyBkZWZlcnJlZF9wcm9iZV93b3JrX2Z1bmMKPiA+PiBbIDEzLjgzMzQxMF0gdGFzazogZmZm ZjgwYmVlOTNkMDAwMCB0YXNrLnN0YWNrOiBmZmZmODBiZWU5M2RjMDAwCj4gPj4gWyAxMy44Mzkz MzBdIFBDIGlzIGF0IGlvbW11X29wc19mcm9tX2Z3bm9kZSsweDRjLzB4OTAKPiA+PiBbIDEzLjg0 NDI4Ml0gTFIgaXMgYXQgaW9tbXVfb3BzX2Zyb21fZndub2RlKzB4MjgvMHg5MAo+ID4+IAo+ID4+ IFRoZSBBUk0gU01NVXYzIGRyaXZlciAod2hpY2ggb3VyIHBsYXRmb3JtIGltcGxlbWVudHMpIHNl ZW1zIHRvIGJlIGxvc2luZwo+ID4+IGlvbW11X29wcyB0byB0aGUgSVBNTVUgZHJpdmVyLgo+ID4g Cj4gPiBZb3Ugc2VlbSBub3QgdG8gYmUgdGhlIGZpcnN0IG9uZSB0byBub3RpY2U6Cj4gPiAKPiA+ IGh0dHBzOi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvcGF0Y2gvOTk1NjQ0OS8ACj4gCj4gV293LCBo ZSBkaWQgbm90IGJlYXQgbWUgYnkgbXVjaC4KPiAKPiA+PiBOb3RlOiBvdXIgcGxhdGZvcm0gdXNl cyBBQ1BJIGZvciBkZXZpY2UgZW51bWVyYXRpb24uCj4gPj4gCj4gPj4gSSBoYXZlIG5vIHdheSB0 byB0ZXN0IHRoaXMsIGJ1dCBpcyB0aGVyZSBhIHJlYXNvbiB0aGUgc2V0X2lvbW11IGlzbuKAmXQg aW4KPiA+PiBfcHJvYmU/Cj4gPiAKPiA+IEkgY2FuJ3QgcmVjYWxsIHdoYXQgdGhlIHJlYXNvbiB3 YXMgSSdtIGFmcmFpZC4KPiAKPiBhcm0tc21tdS12My5jIGRvZXMgZG8gdGhlIHNldF9pb21tdSBp biBwcm9iZSwgYW5kIHRodXMgZmFyIHRoZXJlIGhhdmUgYmVlbgo+IG5vIGNvbmZpcm1lZCBmYXRh bGl0aWVzLCBidXQgSSBjYW4ndCBzcGVhayBhdXRob3JpdGF0aXZlbHkuCj4gCj4gSSdsbCBsZWF2 ZSB5b3UgYWxsIHRvIGl0IHRoZW4uCgpBZnRlciBkaWdnaW5nIGEgYml0IEkgcmVhbGl6ZWQgdGhh dCBjYWxsaW5nIGJ1c19zZXRfaW9tbXUoKSBmcm9tIHRoZSBpbml0IApmdW5jdGlvbiBpcyBuZWVk ZWQgdG8gc3VwcG9ydCBBUk0zMiAodGhlIHNhbWUgZHJpdmVyIHN1cHBvcnRzIGJvdGggQVJNMzIg YW5kIApBUk02NCkuIExldCdzIGRpc2N1c3MgdGhlIG1hdHRlciBpbiBhIHJlcGx5IHRvIGh0dHBz Oi8vcGF0Y2h3b3JrLmtlcm5lbC5vcmcvCnBhdGNoLzk5NTY0NDkvAC4KCi0tIApSZWdhcmRzLAoK TGF1cmVudCBQaW5jaGFydAo=