From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 2/2] drm/dp: Don't trust drm_dp_downstream_id() Date: Fri, 21 Jul 2017 18:14:41 +0300 Message-ID: <87k231n7oe.fsf@intel.com> References: <20170720174532.23377-1-chris@chris-wilson.co.uk> <20170720174532.23377-2-chris@chris-wilson.co.uk> <874lu6ntjg.fsf@intel.com> <150064929266.29280.2241637291123448356@mail.alporthouse.com> 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 ESMTPS id 202856E805 for ; Fri, 21 Jul 2017 15:14:47 +0000 (UTC) In-Reply-To: <150064929266.29280.2241637291123448356@mail.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Chris Wilson , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCAyMSBKdWwgMjAxNywgQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+IHdyb3RlOgo+IFF1b3RpbmcgSmFuaSBOaWt1bGEgKDIwMTctMDctMjEgMDg6MjI6MjcpCj4+ IE9uIFRodSwgMjAgSnVsIDIwMTcsIENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNv LnVrPiB3cm90ZToKPj4gPiBCZWZvcmUgd2UgaW50ZXJwcmV0IGRybV9kcF9kb3duc3RyZWFtX2lk KCkgYXMgYSBzdHJpbmcsIG1ha2Ugc3VyZSBpdCBpcwo+PiA+IE5VTEwgdGVybWluYXRlZCwgZXZl biB3aGVuIGRybV9kcF9kb3dudHNyZWFtX2lkKCkgZmFpbHMuCj4+ID4KPj4gPiBCdWd6aWxsYTog aHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTAxNjYwCj4+ID4g U2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+ ID4gLS0tCj4+ID4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZHBfaGVscGVyLmMgfCAzICsrLQo+PiA+ ICAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+ID4KPj4g PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYyBiL2RyaXZlcnMv Z3B1L2RybS9kcm1fZHBfaGVscGVyLmMKPj4gPiBpbmRleCAxZDllMzBmMGRiZjguLjA4YWY4ZDZi ODQ0YiAxMDA2NDQKPj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jCj4+ ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwo+PiA+IEBAIC01NDQsNyAr NTQ0LDcgQEAgdm9pZCBkcm1fZHBfZG93bnN0cmVhbV9kZWJ1ZyhzdHJ1Y3Qgc2VxX2ZpbGUgKm0s Cj4+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIERQX0RFVEFJTEVEX0NBUF9JTkZP X0FWQUlMQUJMRTsKPj4gPiAgICAgICBpbnQgY2xrOwo+PiA+ICAgICAgIGludCBicGM7Cj4+ID4g LSAgICAgY2hhciBpZFs2XTsKPj4gPiArICAgICBjaGFyIGlkWzddOwo+PiA+ICAgICAgIGludCBs ZW47Cj4+ID4gICAgICAgdWludDhfdCByZXZbMl07Cj4+ID4gICAgICAgaW50IHR5cGUgPSBwb3J0 X2NhcFswXSAmIERQX0RTX1BPUlRfVFlQRV9NQVNLOwo+PiA+IEBAIC01ODMsNiArNTgzLDcgQEAg dm9pZCBkcm1fZHBfZG93bnN0cmVhbV9kZWJ1ZyhzdHJ1Y3Qgc2VxX2ZpbGUgKm0sCj4+ID4gICAg ICAgICAgICAgICBzZXFfcHV0cyhtLCAiICAgICAgICBUeXBlOiBOL0FcbiIpOwo+PiA+ICAgICAg IH0KPj4gPiAgCj4+ID4gKyAgICAgbWVtc2V0KGlkLCAwLCBzaXplb2YoaWQpKTsKPj4gPiAgICAg ICBkcm1fZHBfZG93bnN0cmVhbV9pZChhdXgsIGlkKTsKPj4gPiAgICAgICBzZXFfcHJpbnRmKG0s ICIgICAgICAgIElEOiAlc1xuIiwgaWQpOwo+PiAKPj4gUmV2aWV3ZWQtYnk6IEphbmkgTmlrdWxh IDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4+IAo+PiBhbHRob3VnaCBJJ2QgcHJvYmFibHkgaGF2 ZSBnb25lIGZvciBjaGVja2luZyB0aGUgcmV0dXJuIHZhbHVlIG9mCj4+IGRybV9kcF9kb3duc3Ry ZWFtX2lkKCkgYW5kIHVzaW5nICUqcEUgZm9ybWF0IHdpdGggc3RybmxlbiBmb3IgdGhlCj4+IGxl bmd0aC4KPgo+IEknbSBhbHNvIHdvbmRlcmluZyBpZiB3ZSBzaG91bGQgdHJlYXQgaXQgYXMgYSBz dHJpbmc/IFByaW50IGhleGFkZWNpbWFsCj4gKyBhc2NpaT8gVGhlcmUncyBwcm9iYWJseSBhIHBy aW50ZiBzcGVjaWZpZXIgZm9yIHRoYXQgYXMgd2VsbC4KCk1pc3NlZCB5b3VyIG1haWwsIHB1c2hl ZCBhbHJlYWR5LiBUaGUgcmVzdCBpcyBmb3IgYW5vdGhlciBwYXRjaCwgYW5vdGhlcgpkYXkuCgpC UiwKSmFuaS4KCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kg Q2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRy aS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=