From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur =?ISO-8859-1?Q?Krist=F3f?= Subject: Re: Why is Thunderbolt 3 limited to 2.5 GT/s on Linux? Date: Fri, 28 Jun 2019 14:21:36 +0200 Message-ID: References: <91de711591780e83c70e8f61747725855f6dee99.camel@gmail.com> <20190628103204.GJ2640@lahna.fi.intel.com> <20190628113415.GL2640@lahna.fi.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm1-x32f.google.com (mail-wm1-x32f.google.com [IPv6:2a00:1450:4864:20::32f]) by gabe.freedesktop.org (Postfix) with ESMTPS id C87F76E916 for ; Fri, 28 Jun 2019 12:21:40 +0000 (UTC) Received: by mail-wm1-x32f.google.com with SMTP id s15so8771771wmj.3 for ; Fri, 28 Jun 2019 05:21:40 -0700 (PDT) In-Reply-To: <20190628113415.GL2640@lahna.fi.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Mika Westerberg Cc: "michael.jamet@intel.com" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org Cj4gPiBTdXJlLCB0aG91Z2ggaW4gdGhpcyBjYXNlIDMgb2YgdGhvc2UgZG93bnN0cmVhbSBwb3J0 cyBhcmUgbm90Cj4gPiBleHBvc2VkCj4gPiBieSB0aGUgaGFyZHdhcmUsIHNvIGl0J3MgYSBiaXQg c3VycHJpc2luZyB0byBzZWUgdGhlbSB0aGVyZS4KPiAKPiBUaGV5IGxlYWQgdG8gb3RoZXIgcGVy aXBoZXJhbHMgb24gdGhlIFRCVCBob3N0IHJvdXRlciBzdWNoIGFzIHRoZSBUQlQKPiBjb250cm9s bGVyIGFuZCB4SENJLiBBbHNvIHRoZXJlIGFyZSB0d28gZG93bnN0cmVhbSBwb3J0cyBmb3IKPiBl eHRlbnNpb24KPiBmcm9tIHdoaWNoIHlvdSBlR1BVIGlzIHVzaW5nIG9uZS4KCklmIHlvdSBsb29r IGF0IHRoZSBkZXZpY2UgdHJlZSBmcm9tIG15IGZpcnN0IGVtYWlsLCB5b3UgY2FuIHNlZSB0aGF0 CmJvdGggdGhlIEdQVSBhbmQgdGhlIFhIQ0kgdXNlcyB0aGUgc2FtZSBwb3J0OiAwNDowNC4wIC0g aW4gZmFjdCBJIGNhbgpldmVuIHJlbW92ZSB0aGUgb3RoZXIgMyBwb3J0cyBmcm9tIHRoZSBzeXN0 ZW0gd2l0aG91dCBhbnkgY29uc2VxdWVuY2VzLgoKPiA+IExpa2UgSSBzYWlkIHRoZSBkZXZpY2Ug cmVhbGx5IGlzIGxpbWl0ZWQgdG8gMi41IEdUL3MgZXZlbiB0aG91Z2ggaXQKPiA+IHNob3VsZCBi ZSBhYmxlIHRvIGRvIDggR1Qvcy4KPiAKPiBUaGVyZSBpcyBUaHVuZGVyYm9sdCBsaW5rIGJldHdl ZW4gdGhlIGhvc3Qgcm91dGVyICh5b3VyIGhvc3Qgc3lzdGVtKQo+IGFuZAo+IHRoZSBlR1BVIGJv eC4gVGhhdCBsaW5rIGlzIG5vdCBsaW1pdGVkIHRvIDIuNSBHVC9zIHNvIGV2ZW4gaWYgdGhlCj4g c2xvdAo+IGNsYWltcyBpdCBpcyBQQ0kgZ2VuMSB0aGUgYWN0dWFsIGJhbmR3aWR0aCBjYW4gYmUg bXVjaCBoaWdoZXIgYmVjYXVzZQo+IG9mCj4gdGhlIHZpcnR1YWwgbGluay4KCk5vdCBzdXJlIEkg dW5kZXJzdGFuZCBjb3JyZWN0bHksIGFyZSB5b3Ugc2F5aW5nIHRoYXQgVEIzIGNhbiBkbyA0MApH Yml0L3NlYyBldmVuIHRob3VnaCB0aGUga2VybmVsIHRoaW5rcyBpdCBjYW4gb25seSBkbyA4IEdi aXQgLyBzZWM/CgpJIGhhdmVuJ3QgZm91bmQgYSBnb29kIHdheSB0byBtZWFzdXJlIHRoZSBtYXhp bXVtIFBDSWUgdGhyb3VnaHB1dApiZXR3ZWVuIHRoZSBDUFUgYW5kIEdQVSwgYnV0IEkgZGlkIHRh a2UgYSBsb29rIGF0IEFNRCdzIHN5c2ZzIGludGVyZmFjZQphdCAvc3lzL2NsYXNzL2RybS9jYXJk MS9kZXZpY2UvcGNpZV9idyB3aGljaCB3aGlsZSBydW5uaW5nIHRoZQpib3R0bGVuZWNrZWQgZ2Ft ZS4gVGhlIGhpZ2hlc3QgdGhyb3VnaHB1dCBJIHNhdyB0aGVyZSB3YXMgb25seSAyLjQzCkdiaXQg L3NlYy4KCk9uZSBtb3JlIHRob3VnaHQuIEkndmUgYWxzbyBsb29rZWQgYXQKL3N5cy9jbGFzcy9k cm0vY2FyZDEvZGV2aWNlL3BwX2RwbV9wY2llIC0gd2hpY2ggdGVsbHMgbWUgdGhhdCBhbWRncHUK dGhpbmtzIGl0IGlzIHJ1bm5pbmcgb24gYSAyLjVHVC9zIHg4IGxpbmsgKGFzIG9wcG9zZWQgdG8g dGhlIGV4cGVjdGVkIDgKR1QvcyB4NCkuIENhbiB0aGlzIGJlIGEgcHJvYmxlbT8KCj4gCj4gPiA+ ID4gMy4gSXMgaXQgcG9zc2libGUgdG8gbWFudWFsbHkgc2V0IHRoZW0gdG8gOCBHVC9zPwo+ID4g PiAKPiA+ID4gTm8gaWRlYS4KPiA+ID4gCj4gPiA+IEFyZSB5b3UgYWN0dWFsbHkgc2VlaW5nIHNv bWUgcGVyZm9ybWFuY2UgaXNzdWUgYmVjYXVzZSBvZiB0aGlzIG9yCj4gPiA+IGFyZQo+ID4gPiB5 b3UganVzdCBjdXJpb3VzPwo+ID4gCj4gPiBZZXMsIEkgc2VlIGEgbm90aWNhYmxlIHBlcmZvcm1h bmNlIGhpdDogc29tZSBnYW1lcyBoYXZlIHZlcnkgbG93Cj4gPiBmcmFtZQo+ID4gcmF0ZSB3aGls ZSBuZWl0aGVyIHRoZSBDUFUgbm9yIHRoZSBHUFUgYXJlIGZ1bGx5IHV0aWxpemVkLgo+IAo+IElz IHRoYXQgcHJvYmxlbSBpbiBMaW51eCBvbmx5IG9yIGRvIHlvdSBzZWUgdGhlIHNhbWUgaXNzdWUg aW4gV2luZG93cwo+IGFzCj4gd2VsbD8KCgpJIGFkbWl0IEkgZG9uJ3QgaGF2ZSBXaW5kb3dzIG9u IHRoaXMgY29tcHV0ZXIgbm93IGFuZCBpdCBoYXMgYmVlbiBzb21lCnRpbWUgc2luY2UgSSBsYXN0 IHRyaWVkIGl0LCBidXQgd2hlbiBJIGRpZCwgSSBkaWRuJ3Qgc2VlIHRoaXMgcHJvYmxlbS4KCkJl c3QgcmVnYXJkcywKVGltCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmkt ZGV2ZWw=