From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [Intel-gfx] [PATCH] drm/edid: Fix DDC probe for passive DP dongles Date: Thu, 21 May 2015 14:16:44 +0200 Message-ID: <20150521121644.GZ15256@phenom.ffwll.local> References: <1432167736-3903-1-git-send-email-tprevite@gmail.com> <87wq02jpvj.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f52.google.com (mail-wg0-f52.google.com [74.125.82.52]) by gabe.freedesktop.org (Postfix) with ESMTP id 8C2EF6E0D7 for ; Thu, 21 May 2015 05:14:48 -0700 (PDT) Received: by wghq2 with SMTP id q2so83596555wgh.1 for ; Thu, 21 May 2015 05:14:47 -0700 (PDT) Content-Disposition: inline In-Reply-To: <87wq02jpvj.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBNYXkgMjEsIDIwMTUgYXQgMTE6Mjg6NDhBTSArMDMwMCwgSmFuaSBOaWt1bGEgd3Jv dGU6Cj4gT24gVGh1LCAyMSBNYXkgMjAxNSwgVG9kZCBQcmV2aXRlIDx0cHJldml0ZUBnbWFpbC5j b20+IHdyb3RlOgo+ID4gUGFzc2l2ZSBEUC0+RFZJL0hETUkgZG9uZ2xlcyBzaG93IHVwIHRvIHRo ZSBzeXN0ZW0gYXMgSERNSSBkZXZpY2VzLCBhcyB0aGV5Cj4gPiBkbyBub3QgaGF2ZSBhIHNpbmsg ZGV2aWNlIGluIHRoZW0gdG8gcmVzcG9uZCB0byBhbnkgQVVYIHRyYWZmaWMuIFdoZW4KPiA+IHBy b2JpbmcgdGhlc2UgZG9uZ2xlcyBvdmVyIHRoZSBEREMsIHNvbWV0aW1lcyB0aGV5IHdpbGwgTkFL IHRoZSBmaXJzdCBhdHRlbXB0Cj4gPiBldmVuIHRob3VnaCB0aGUgdHJhbnNhY3Rpb24gaXMgdmFs aWQgYW5kIHRoZXkgc3VwcG9ydCB0aGUgRERDIHByb3RvY29sLiBUaGUKPiA+IHJldHJ5IGxvb3Ag aW5zaWRlIG9mIGRybV9kb19wcm9iZV9kZGNfZWRpZCgpIHdvdWxkIG5vcm1hbGx5IGNhdGNoIHRo aXMgY2FzZQo+ID4gYW5kIHRyeSB0aGUgdHJhbnNhY3Rpb24gYWdhaW4sIHJlc3VsdGluZyBpbiBz dWNjZXNzLgo+ID4KPiA+IFRoYXQsIGhvd2V2ZXIsIHdhcyB0aHdhcnRlZCBieSB0aGUgZml4IGZv ciBmZG8ub3JnIGJ1ZyAjNDEwNTkuIFRoZSBwYXRjaCBpczoKPiA+IAljb21taXQgOTI5MmYzN2Ux ZjVjNzk0MDAyNTRkY2E0NmY4MzMxMzQ4ODA5MzgyNQo+ID4gCUF1dGhvcjogRXVnZW5pIERvZG9u b3YgPGV1Z2VuaS5kb2Rvbm92QGludGVsLmNvbT4KPiA+IAlEYXRlOiAgIFRodSBKYW4gNSAwOToz NDoyOCAyMDEyIC0wMjAwCj4gPgo+ID4gCWRybTogZ2l2ZSB1cCBvbiBlZGlkIHJldHJpZXMgd2hl biBpMmMgYnVzIGlzIG5vdCByZXNwb25kaW5nCj4gCj4gU29tZSBleHRyYSBiYWNrZ3JvdW5kOgo+ IAo+IFRoYXQgY29tbWl0IHJlZmVycyB0byB0aGUgaTJjIGJpdCBiYW5naW5nIGNvZGUsIHdoaWxl IGk5MTUgbm93IHByZWZlcnMKPiBnbWJ1cywgYW5kIG9ubHkgZmFsbHMgYmFjayB0byBiaWcgYmFu Z2luZyBvbiBjZXJ0YWluIGZhaWx1cmVzLiAoU2VlCj4gZ21idXhfeGZlcigpIGluIGk5MTUvaW50 ZWxfaTJjLmMpLiBUaGlzIG1lYW5zIHRoYXQgaW4gbW9zdCBjYXNlcyBpOTE1IGlzCj4gbm8gbG9u Z2VyIHN1c2NlcHRpYmxlIHRvIHRoZSA1KjMgdGltZW91dCBsb29wcywgYnV0IGl0IGFsc28gbWVh bnMgd2UKPiBkb24ndCBoYXZlIHRoZSBpMmMgYml0IGJhbmdpbmcgcmV0cnkgYXQgYWxsIG9uIC1F TlhJTywgbGlrZSBUb2RkIG5vdGVzLgo+IAo+IFRoZSBxdWVzdGlvbnMgYXJlLCBpcyBvbmUgcmV0 cnkgYWZ0ZXIgLUVOWElPIGluIGRybV9kb19wcm9iZV9kZGNfZWRpZAo+IGVub3VnaCBub3c/IFNo b3VsZCB3ZSByZXZlcnQgdGhlIG9yaWdpbmFsIGNvbW1pdCBpbnN0ZWFkIHNpbmNlIHRoZQo+IHVu ZGVybHlpbmcgYWxnb3JpdGhtIGhhcyBjaGFuZ2VkPyBPciBzaG91bGQgd2UgcmV0dXJuIHNvbWV0 aGluZyBvdGhlcgo+IHRoYW4gLUVOWElPIGZyb20gb3VyIGdtYnVzIGNvZGUgdG8gbm90IGhpdCB0 aGlzIGV4aXQgd2l0aCBubyByZXRyaWVzCj4gcGF0aD8KCkphbmkmSSBkdWcgYXJvdW5kIGEgYml0 IG9uIHRoaXMgb24gaXJjIGFuZCBpdCBsb29rcyBsaWtlIGEgcHJvcGVyIGkyYwppbXBsZW1lbnRh dGlvbiBzaG91bGQgaW5kZWVkIHJldHJ5IG9uIHRoZSBmaXJzdCBFTlhJTywgZXhjZXB0IHdoZW4g dGhlCkkyQ19NX0lHTk9SRV9OQUsgZmxhZyBpcyBzZXQuIFRoZXJlJ3MgcGlsZXMgb2YgZXhhbXBs ZXMgaG93IHRvIGRvIGl0LCBidXQKaXQncyBjbGVhciB0aGF0IHdlJ3ZlIG5ldmVyIGRvbmUgdGhp cyBwcm9wZXJseSBpbiBvdXIgZ21idXMgZHJpdmVyLgoKQ2FuIHlvdSBwbGVhc2UgdGVzdCB3aGV0 aGVyIGZpeGluZyB0aGF0IGluIGludGVsX2kyYy5jIGRvZXMgcmVzb2x2ZSB0aGUKaXNzdWUgdG9v PyBJdCB3b3VsZCBhdCBsZWFzdCBleHBsYWluIGEgbG90IG9mIHRoZSBmYWxsYmFjayB0cm91Ymxl cyB3ZSd2ZQpoYWQgd2l0aCBnbWJ1cyBhbmQgaTJjIHNsYXZlcyBub3Qgd2FraW5nIHVwIGluIHRp bWUsIHdoaWNoIGFsbCBnb3QKbWFnaWNhbGx5IHJlc29sdmVkIGJ5IGZhbGxpbmcgYmFjayB0byB0 aGUgYml0LWJhbmdpbmcgaW50ZXJmYWNlICh3aGljaApkb2VzIHRoaXMgcmV0cnlpbmcgYWxyZWFk eSkuCgpUaGFua3MsIERhbmllbAoKPiAKPiA+IFRoaXMgYWRkZWQgY29kZSB0byBleGl0IGltbWVk aWF0ZWx5IGlmIHRoZSByZXR1cm4gY29kZSBmcm9tIHRoZQo+ID4gaTJjX3RyYW5zZmVyIGZ1bmN0 aW9uIHdhcyAtRU5YSU8gaW4gb3JkZXIgdG8gcmVkdWNlIHRoZSBhbW91bnQgb2YgdGltZSBzcGVu dAo+ID4gaW4gd2FpdGluZyBmb3IgdW5yZXNwb25zaXZlIG9yIGRpc2Nvbm5lY3RlZCBkZXZpY2Vz LiBGb3IgdGhlIERQIGRvbmdsZXMsCj4gPiB0aGlzIG1lYW5zIHRoYXQgdGhlIHNlY29uZCByZXRy eSBuZXZlciBoYXBwZW5zIHdoaWNoIHJlc3VsdHMgaW4gYSBmYWlsZWQKPiA+IEVESUQgcHJvYmUg YW5kIGEgYmxhY2sgc2NyZWVuLgo+ID4KPiA+IFRvIHdvcmsgYXJvdW5kIHRoaXMgcHJvYmxlbSB3 aXRob3V0IHVuZG9pbmcgdGhlIGZpeCBmb3IgYnVnICM0MTA1OSwgdGhlCj4gPiBudW1iZXIgb2Yg cmV0cmllcyBpcyBjaGVja2VkIGFsb25nIHdpdGggdGhlIHJldHVybiBjb2RlLiBUaGlzIGFsbG93 cyBmb3IgYQo+ID4gZGV2aWNlIHRvIE5BSyBvbmNlIGFuZCBzdGlsbCBjb250aW51ZSBvcGVyYXRp b25zLiBBIHNlY29uZCBOQUsgd2lsbCByZXN1bHQKPiA+IGluIGJyZWFraW5nIHRoZSBsb29wIGFz IGl0IHdvdWxkIGhhdmUgYmVmb3JlIGFuZCBzdG9wcGluZyB0aGUgRERDIHByb2JlLgo+IAo+IEJ1 Z3ppbGxhOiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD04NTky NAo+IAo+IE1heWJlIHRocm93IHRoaXMgYXQgb3RoZXIgZG9uZ2xlIGJ1Z3MgeW91IGNhbiBmaW5k IHRvbz8KPiAKPiBXZSdyZSBnb2luZyB0byBuZWVkIFRlc3RlZC1ieXMgdGhvdWdoLgo+IAo+IEJS LAo+IEphbmkuCj4gCj4gCj4gPiBTaWduZWQtb2ZmLWJ5OiBUb2RkIFByZXZpdGUgPHRwcmV2aXRl QGdtYWlsLmNvbT4KPiA+IENjOiBpbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gPiAt LS0KPiA+ICBkcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYyB8IDUgKysrKy0KPiA+ICAxIGZpbGUg Y2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gPgo+ID4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZWRpZC5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9lZGlk LmMKPiA+IGluZGV4IDcwODdkYTMuLmU4MDQ3YmQgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vZHJtX2VkaWQuYwo+ID4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9lZGlkLmMKPiA+ IEBAIC0xMjM4LDcgKzEyMzgsMTAgQEAgZHJtX2RvX3Byb2JlX2RkY19lZGlkKHZvaWQgKmRhdGEs IHU4ICpidWYsIHVuc2lnbmVkIGludCBibG9jaywgc2l6ZV90IGxlbikKPiA+ICAJCSAqLwo+ID4g IAkJcmV0ID0gaTJjX3RyYW5zZmVyKGFkYXB0ZXIsICZtc2dzWzMgLSB4ZmVyc10sIHhmZXJzKTsK PiA+ICAKPiA+IC0JCWlmIChyZXQgPT0gLUVOWElPKSB7Cj4gPiArCQkvKiBQYXNzaXZlIERQLT5E VkkvSERNSSBkb25nbGVzIHNvbWV0aW1lcyBOQUsgdGhlIGZpcnN0IHByb2JlCj4gPiArCQkgKiBU cnkgdG8gcHJvYmUgYWdhaW4gYnV0IGlmIGl0IE5BS3MsIHN0b3AgdHJ5aW5nCj4gPiArCQkgKi8K PiA+ICsJCWlmIChyZXQgPT0gLUVOWElPICYmIHJldHJpZXMgPCA1KSB7Cj4gPiAgCQkJRFJNX0RF QlVHX0tNUygiZHJtOiBza2lwcGluZyBub24tZXhpc3RlbnQgYWRhcHRlciAlc1xuIiwKPiA+ICAJ CQkJCWFkYXB0ZXItPm5hbWUpOwo+ID4gIAkJCWJyZWFrOwo+ID4gLS0gCj4gPiAxLjkuMQo+ID4K PiA+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gPiBJ bnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cj4gPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4Cj4gCj4gLS0gCj4gSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kg Q2VudGVyCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K PiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y Zwo+IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlv bgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=