From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v2.1 3/3] drm/edid: Switch DDC when reading the EDID Date: Tue, 18 Aug 2015 10:02:43 +0300 Message-ID: <87r3n1m63w.fsf@intel.com> References: <7984d8eacbb0386ca52e3fdf2ad2554dc90ff1fe.1439739853.git.lukas@wunner.de> <3f927fb1a1df18bfdbb501b98a6b2dcd5c064f02.1439739853.git.lukas@wunner.de> <3d6de562c9dd7387318f90f2dc1578e56cb666c1.1439739853.git.lukas@wunner.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 2041A6E331 for ; Mon, 17 Aug 2015 23:59:45 -0700 (PDT) In-Reply-To: <3d6de562c9dd7387318f90f2dc1578e56cb666c1.1439739853.git.lukas@wunner.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Lukas Wunner , dri-devel@lists.freedesktop.org Cc: Daniel Vetter , Seth Forshee , Dave Airlie List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCAxNCBBdWcgMjAxNSwgTHVrYXMgV3VubmVyIDxsdWthc0B3dW5uZXIuZGU+IHdyb3Rl Ogo+IE9yaWdpbmFsbHkgYnkgU2V0aCBGb3JzaGVlIDxzZXRoLmZvcnNoZWVAY2Fub25pY2FsLmNv bT4sIDIwMTItMTAtMDQ6Cj4gU29tZSBkdWFsIGdyYXBoaWNzIG1hY2hpbmVzIHN1cHBvcnQgbXV4 aW5nIHRoZSBEREMgc2VwYXJhdGVseSBmcm9tIHRoZQo+IGRpc3BsYXksIHNvIG1ha2UgdXNlIG9m IHRoaXMgZnVuY3Rpb25hbGl0eSB3aGVuIHJlYWRpbmcgdGhlIEVESUQgb24gdGhlCj4gaW5hY3Rp dmUgR1BVLiBBbHNvIHNlcmlhbGl6ZSBkcm1fZ2V0X2VkaWQoKSB3aXRoIGEgbXV0ZXggdG8gYXZv aWQgcmFjZXMKPiBvbiB0aGUgRERDIG11eCBzdGF0ZS4KCkF0IGEgZ2xhbmNlLCBhbGwgdGhlIHJl ZmVyZW5jZWQgYnVncyBoYXZlIExWRFMgZGlzcGxheXMuIElzIHRoaXMKc3VwcG9zZWQgdG8gd29y ayBmb3IgZURQIGFzIHdlbGw/IEhvdyBhYm91dCBtdXhpbmcgYW5kIGxvY2tpbmcgb2YgRFBDRAph Y2Nlc3M/CgpCUiwKSmFuaS4KCgoKCgo+Cj4gTW9kaWZpZWQgYnkgRGF2ZSBBaXJsaWUgPGFpcmxp ZWRAZ21haWwuY29tPiwgMjAxMi0xMi0yMjoKPiBJIGNhbid0IGZpZ3VyZSBvdXQgd2h5IEkgZGlk bid0IGxpa2UgdGhpcywgYnV0IEkgcmV3cm90ZSB0aGlzIFsuLi5dIHRvCj4gbG9jay91bmxvY2sg dGhlIGRkYyBsaW5lcyBbLi4uXS4gSSB0aGluayBJJ2QgcHJlZmVyIHNvbWV0aGluZyBsaWtlIHRo YXQKPiBvdGhlcndpc2UgdGhlIGludGVyZmFjZSBnb3QgcmVhbGx5IHVnbHkuCj4KPiBNb2RpZmll ZCBieSBMdWthcyBXdW5uZXIgPGx1a2FzQHd1bm5lci5kZT4sIDIwMTUtMDMtMjc6Cj4gVW5sb2Nr IEREQyBsaW5lcyBpZiBkcm1fcHJvYmVfZGRjKCkgZmFpbHMuCj4KPiBCdWd6aWxsYTogaHR0cHM6 Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNnaT9pZD04ODg2MQo+IEJ1Z3ppbGxhOiBo dHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD02MTExNQo+IFRlc3Rl ZC1ieTogUGllcnJlIE1vcmVhdSA8cGllcnJlLm1vcnJvd0BmcmVlLmZyPgo+ICAgICBbTUJQICA1 LDMgMjAwOSAgbnZpZGlhIDk0MDBNICsgOTYwME0gR1QgICBwcmUtcmV0aW5hXQo+IFRlc3RlZC1i eTogUGF1bCBIb3JkaWllbmtvIDxwdnQuZ29yZEBnbWFpbC5jb20+Cj4gICAgIFtNQlAgIDYsMiAy MDEwICBpbnRlbCBJTEsgKyBudmlkaWEgR1QyMTYgIHByZS1yZXRpbmFdCj4gVGVzdGVkLWJ5OiBX aWxsaWFtIEJyb3duIDx3aWxsaWFtQGJsYWNraGF0cy5uZXQuYXU+Cj4gICAgIFtNQlAgIDgsMiAy MDExICBpbnRlbCBTTkIgKyBhbWQgdHVya3MgICAgIHByZS1yZXRpbmFdCj4gVGVzdGVkLWJ5OiBM dWthcyBXdW5uZXIgPGx1a2FzQHd1bm5lci5kZT4KPiAgICAgW01CUCAgOSwxIDIwMTIgIGludGVs IElWQiArIG52aWRpYSBHSzEwNyAgcHJlLXJldGluYV0KPiBUZXN0ZWQtYnk6IEJydW5vIEJpZXJi YXVtZXIgPGJydW5vQGJpZXJiYXVtZXIubmV0Pgo+ICAgICBbTUJQIDExLDMgMjAxMyAgaW50ZWwg SFNXICsgbnZpZGlhIEdLMTA3ICByZXRpbmEgLS0gd29yayBpbiBwcm9ncmVzc10KPgo+IENjOiBT ZXRoIEZvcnNoZWUgPHNldGguZm9yc2hlZUBjYW5vbmljYWwuY29tPgo+IENjOiBEYXZlIEFpcmxp ZSA8YWlybGllZEBnbWFpbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogTHVrYXMgV3VubmVyIDxsdWth c0B3dW5uZXIuZGU+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZWRpZC5jIHwgMTEgKysr KysrKysrKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24o LSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYyBiL2RyaXZlcnMv Z3B1L2RybS9kcm1fZWRpZC5jCj4gaW5kZXggZTZlMDViYi4uY2RiMmZhMSAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1f ZWRpZC5jCj4gQEAgLTMyLDYgKzMyLDcgQEAKPiAgI2luY2x1ZGUgPGxpbnV4L2hkbWkuaD4KPiAg I2luY2x1ZGUgPGxpbnV4L2kyYy5oPgo+ICAjaW5jbHVkZSA8bGludXgvbW9kdWxlLmg+Cj4gKyNp bmNsdWRlIDxsaW51eC92Z2Ffc3dpdGNoZXJvby5oPgo+ICAjaW5jbHVkZSA8ZHJtL2RybVAuaD4K PiAgI2luY2x1ZGUgPGRybS9kcm1fZWRpZC5oPgo+ICAjaW5jbHVkZSA8ZHJtL2RybV9kaXNwbGF5 aWQuaD4KPiBAQCAtMTM3NywxMyArMTM3OCwyMSBAQCBzdHJ1Y3QgZWRpZCAqZHJtX2dldF9lZGlk KHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCj4gIAkJCSAgc3RydWN0IGkyY19hZGFw dGVyICphZGFwdGVyKQo+ICB7Cj4gIAlzdHJ1Y3QgZWRpZCAqZWRpZDsKPiArCXN0cnVjdCBwY2lf ZGV2ICpwZGV2ID0gY29ubmVjdG9yLT5kZXYtPnBkZXY7Cj4gIAo+IC0JaWYgKCFkcm1fcHJvYmVf ZGRjKGFkYXB0ZXIpKQo+ICsJdmdhX3N3aXRjaGVyb29fbG9ja19kZGMocGRldik7Cj4gKwo+ICsJ aWYgKCFkcm1fcHJvYmVfZGRjKGFkYXB0ZXIpKSB7Cj4gKwkJdmdhX3N3aXRjaGVyb29fdW5sb2Nr X2RkYyhwZGV2KTsKPiAgCQlyZXR1cm4gTlVMTDsKPiArCX0KPiAgCj4gIAllZGlkID0gZHJtX2Rv X2dldF9lZGlkKGNvbm5lY3RvciwgZHJtX2RvX3Byb2JlX2RkY19lZGlkLCBhZGFwdGVyKTsKPiAg CWlmIChlZGlkKQo+ICAJCWRybV9nZXRfZGlzcGxheWlkKGNvbm5lY3RvciwgZWRpZCk7Cj4gKwo+ ICsJdmdhX3N3aXRjaGVyb29fdW5sb2NrX2RkYyhwZGV2KTsKPiArCj4gIAlyZXR1cm4gZWRpZDsK PiAgfQo+ICBFWFBPUlRfU1lNQk9MKGRybV9nZXRfZWRpZCk7Cj4gLS0gCj4gMi4xLjAKPgo+IF9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gZHJpLWRldmVs IG1haWxpbmcgbGlzdAo+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCgotLSAKSmFu aSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxp c3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==