From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: Commit 0e32b39c ("drm/i915: add DP 1.2 MST support (v0.7)") breaking DP audio on T440s Date: Mon, 11 May 2015 10:59:50 +0300 Message-ID: <87a8xb5ytl.fsf@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 009AB6E2EC for ; Mon, 11 May 2015 00:57:44 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Paul Moore , Dave Airlie , intel-gfx@lists.freedesktop.org Cc: Daniel Gultsch , linux-kernel@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAwOCBNYXkgMjAxNSwgUGF1bCBNb29yZSA8cGF1bEBwYXVsLW1vb3JlLmNvbT4gd3Jv dGU6Cj4gT24gRnJpLCBNYXIgMTMsIDIwMTUgYXQgMTE6MTkgUE0sIFBhdWwgTW9vcmUgPHBhdWxA cGF1bC1tb29yZS5jb20+IHdyb3RlOgo+PiBFdmVyIHNpbmNlIHYzLjE3IEkndmUgaGFkIGEgcHJv YmxlbSB3aXRoIGRpc3BsYXlwb3J0IGF1ZGlvIG9uIG15Cj4+IHN5c3RlbSwgYnV0IHVudGlsIGxh dGVseSBJIGhhdmVuJ3QgaGFkIGEgY2hhbmNlIHRvIGJpc2VjdCB0aGUgcHJvYmxlbS4KPj4gQWZ0 ZXIgYSBmZXcgcm91bmRzIEkndmUgaXNvbGF0ZWQgdGhlIGJ1Z2d5IGNvbW1pdCB0byAwZTMyYjM5 Ywo+PiAoImRybS9pOTE1OiBhZGQgRFAgMS4yIE1TVCBzdXBwb3J0ICh2MC43KSIpLgo+Pgo+PiBT aW1wbHkgcHV0LCBwcmlvciB0byB2My4xNyBldmVyeXRoaW5nIHdvcmtlZCBjb3JyZWN0bHk6IGF1 ZGlvIGZyb20gbXkKPj4gc3lzdGVtIHdhcyByb3V0ZWQgdG8gbXkgbW9uaXRvciB2aWEgdGhlIERQ IGNvbm5lY3Rpb24gYW5kIGZpbmFsbHkgb3V0Cj4+IHRvIHRoZSBzcGVha2VycyBjb25uZWN0ZWQg dG8gdGhlIG1vbml0b3IuICBIb3dldmVyLCBzdGFydGluZyB3aXRoCj4+IGtlcm5lbCB2My4xNyB0 aGlzIG5vIGxvbmdlciB3b3Jrcy4gIFRoZSB2YXJpb3VzIFB1bHNlQXVkaW8gdG9vbHMgYWxsCj4+ IGluZGljYXRlIHRoYXQgdGhlIEhETUkvRFAgYXVkaW8gb3V0cHV0IGlzIHVucGx1Z2dlZC9ub3Qt YXZhaWxhYmxlLgo+PiBJJ3ZlIHRyaWVkIGEgZmV3IGRpZmZlcmVudCB4cmFuZHIgY29tbWFuZHMg Zm91bmQgdmlhIGdvb2dsZSBhbmQKPj4gbWFucGFnZXMgYnV0IG5vdGhpbmcgc2hvcnQgb2YgcmV2 ZXJ0aW5nIHRvIHYzLjE2IHNvbHZlcyB0aGUgcHJvYmxlbS4KPj4gSSdtIGhvcGluZyB0aGF0IHNv bWVvbmUgd2l0aCBtb3JlIHVuZGVyc3RhbmRpbmcgb2YgdGhlIEludGVsIGdyYXBoaWNzCj4+IGRy aXZlcnMgd2lsbCBiZSBhYmxlIHRvIG1ha2Ugc29tZSBzZW5zZSBvZiBpdCBhbGwgYW5kIHByb3Zp ZGUgYSBmaXguCj4+IEknbSBtb3JlIHRoYW4gaGFwcHkgdG8gcHJvdmlkZSBhZGRpdGlvbmFsIGlu Zm9ybWF0aW9uIGFuZCB0ZXN0IGFueQo+PiBwYXRjaGVzIHlvdSBtYXkgaGF2ZS4KPj4KPj4gRm9y IHJlZmVyZW5jZSwgbXkgc3lzdGVtIGlzIGEgVGhpbmtQYWQgVDQ0MHMgd2l0aCBhICJJbnRlbCBD b3Jwb3JhdGlvbgo+PiBIYXN3ZWxsLVVMVCBJbnRlZ3JhdGVkIEdyYXBoaWNzIENvbnRyb2xsZXIg KHJldiAwYikiIChhY2NvcmRpbmcgdG8KPj4gbHNwY2kpIGNvbm5lY3RlZCB0byBhIERlbGwgVTMw MTEgdmlhIGEgR2VmZW4gRFAgS1ZNLgo+Cj4gSGVscD8KPgo+IFRoZSBwcm9ibGVtIHN0aWxsIGV4 aXN0cyBvbiB2NC4wLjEgYW5kIEkga25vdyBvZiBhdCBsZWFzdCBvbmUgb3RoZXIKPiBwZXJzb24g dGhhdCBoYXMgcmVwb3J0ZWQgdGhlIHNhbWUgcHJvYmxlbS4gIEFzIEkgc2FpZCBhYm92ZSwgSSdt Cj4gd2lsbGluZyB0byBkbyBhbnkgYWRkaXRpb25hbCBkZWJ1Z2dpbmcvdGVzdGluZyBuZWVkZWQs IEkganVzdCBjb3VsZAo+IHVzZSBzb21lIGhlbHAgb24gcmVzb2x2aW5nIHRoaXMgYXMgSSBhbSBk ZWZpbml0ZWx5IG5vdCBhCj4gWC9ncmFwaGljcy1kcml2ZXIgZXhwZXJ0LgoKSG1tLCBJIG5ldmVy IHJlY2VpdmVkIHlvdXIgZmlyc3QgbWFpbC4KCkFwcGFyZW50bHkgYXVkaW8gb24gRFAgTVNUIGlz IHByb2JsZW1hdGljLCBhbmQgdGhlIGRlYnVnZ2luZyBtYXkgZ2V0IGEKYml0IGludm9sdmVkLiBQ bGVhc2UgZmlsZSBhIGJ1ZyBhdCBbMV0gc28gd2UgZG9uJ3QgY2x1dHRlciB0aGUgbGlzdHMKd2l0 aCBsb2dzIGV0Yy4gUGxlYXNlIGVuYWJsZSBkcm0uZGVidWc9MTQgbW9kdWxlIHBhcmFtZXRlciBh bmQgYXR0YWNoCih0byB0aGUgYnVnKSBkbWVzZyBhbGwgdGhlIHdheSBmcm9tIGJvb3QgdG8gdHJ5 aW5nIGF1ZGlvIG9uIHRoZSBtb25pdG9yLgoKQlIsCkphbmkuCgoKPgo+IC1QYXVsCj4KPiAtLSAK PiBwYXVsIG1vb3JlCj4gd3d3LnBhdWwtbW9vcmUuY29tCj4gX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3Bl biBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK