From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/dp: Do not busy-loop during link training Date: Mon, 11 Jan 2016 21:18:20 +0200 Message-ID: <20160111191820.GM23290@intel.com> References: <1450099316-31126-1-git-send-email-thierry.reding@gmail.com> <20151214144809.GO4437@intel.com> <20151214152341.GA1998@ulmo> <20151214163028.GS4437@intel.com> <20160111083604.GA11159@ulmo> 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 C9FBC6E568 for ; Mon, 11 Jan 2016 11:18:23 -0800 (PST) Content-Disposition: inline In-Reply-To: <20160111083604.GA11159@ulmo> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBKYW4gMTEsIDIwMTYgYXQgMDk6MzY6MDRBTSArMDEwMCwgVGhpZXJyeSBSZWRpbmcg d3JvdGU6Cj4gT24gTW9uLCBEZWMgMTQsIDIwMTUgYXQgMDY6MzA6MjhQTSArMDIwMCwgVmlsbGUg U3lyasOkbMOkIHdyb3RlOgo+ID4gT24gTW9uLCBEZWMgMTQsIDIwMTUgYXQgMDQ6MjM6NDFQTSAr MDEwMCwgVGhpZXJyeSBSZWRpbmcgd3JvdGU6Cj4gPiA+IE9uIE1vbiwgRGVjIDE0LCAyMDE1IGF0 IDA0OjQ4OjA5UE0gKzAyMDAsIFZpbGxlIFN5cmrDpGzDpCB3cm90ZToKPiA+ID4gPiBPbiBNb24s IERlYyAxNCwgMjAxNSBhdCAwMjoyMTo1NlBNICswMTAwLCBUaGllcnJ5IFJlZGluZyB3cm90ZToK PiA+ID4gPiA+IEZyb206IFRoaWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5jb20+Cj4gPiA+ ID4gPiAKPiA+ID4gPiA+IFVzZSBtaWNyb3NlY29uZCBzbGVlcHMgZm9yIHRoZSBjbG9jayByZWNv dmVyeSBhbmQgY2hhbm5lbCBlcXVhbGl6YXRpb24KPiA+ID4gPiA+IGRlbGF5cyBkdXJpbmcgbGlu ayB0cmFpbmluZy4gVGhlIGR1cmF0aW9uIG9mIHRoZXNlIGRlbGF5cyBjYW4gYmUgZnJvbQo+ID4g PiA+ID4gMTAwIHVzIHVwIHRvIDE2IG1zLiBJdCBpcyBydWRlIHRvIGJ1c3ktbG9vcCBmb3IgdGhh dCBhbW91bnQgb2YgdGltZS4KPiA+ID4gPiAKPiA+ID4gPiBEbyB5b3UgaGF2ZSBzb21lIG51bWJl cnMgb24gaG93IHRoaXMgYWZmZWN0cyBhIHR5cGljYWwgbGluayB0cmFpbmluZwo+ID4gPiA+IGN5 Y2xlPwo+ID4gPiAKPiA+ID4gTm90IHJlYWxseS4gU2lua3MgYXJlbid0IHJlcXVpcmVkIHRvIHBy b3ZpZGUgYSB2YWx1ZSBoZXJlLCBpbiB3aGljaCBjYXNlCj4gPiA+IHRoZSBzcGVjaWZpY2F0aW9u IHNheXMgdGhhdCBhIGRlZmF1bHQgb2YgMTAwIHVzIGFuZCA0MDAgdXMgc2hvdWxkIGJlCj4gPiA+ IHVzZWQgZm9yIGNsb2NrIHJlY292ZXJ5IGFuZCBjaGFubmVsIGVxdWFsaXphdGlvbiwgcmVzcGVj dGl2ZWx5LiBJZiB0aGUKPiA+ID4gc2luayBwcm92aWRlcyBhbiBBVVhfUkRfSU5URVJWQUwgdmFs dWUsIGl0IGlzIHVzZWQgZm9yIGJvdGggQ1IgYW5kIENFCj4gPiA+IChhbmQgaXMgaW4gdW5pdHMg b2YgNCBtcykuIEJlc3QgY2FzZSBhIHR5cGljYWwgbGluayB0cmFpbmluZyBjeWNsZSB3b3VsZAo+ ID4gPiB0aGVyZWZvcmUgdGFrZSBzb21ldGhpbmcgbGlrZSAwLjUgbXMgYW5kIHdvcnN0IGNhc2Us IHNpbmNlIHRoZSBudW1iZXIgb2YKPiA+ID4gcmV0cmllcyBzaG91bGQgYmUgbGltaXRlZCB0byA1 LCBpdCdkIGJlIGFyb3VuZCA1ICogMTYgbXMgPSA4MCBtcy4gVGhhdCdzCj4gPiA+IG5vdCBjb3Vu dGluZyB0aGUgYWN0dWFsIEFVWCB0cmFuc2FjdGlvbnMsIHRob3VnaCB0aGV5IHNob3VsZCBiZSBw cmV0dHkKPiA+ID4gZmFzdC4KPiA+ID4gCj4gPiA+IFNpbmNlIHRoaXMgcGF0Y2ggdXNlcyB1c2xl ZXBfcmFuZ2UobWluLCBtaW4gKiAyKSB0aGUgd29yc3QgY2FzZSBub3cKPiA+ID4gYmVjb21lcyB+ IDE2MCBtcy4KPiA+IAo+ID4gV291bGQgYmUgbmljZSB0byBoYXZlIHNvbWUgKmFjdHVhbCogbnVt YmVycyBpbiB0aGUgY29tbWl0IG1lc3NhZ2UsCj4gPiBvdGhlcndpc2UgaXQncyBhbGwganVzdCBn dWVzc3dvcmsuCj4gCj4gSSBvbmx5IGhhdmUgYSBsaW1pdGVkIHJhbmdlIG9mIHRlc3QgZXF1aXBt ZW50LiBJbiB0aGUgcHJpbWFyeSB0ZXN0LWNhc2UsCj4gd2hpY2ggaXMgYW4gZURQIHBhbmVsLCB0 aGUgZGlmZmVyZW5jZSB3YXMgfjQuNSBtcyBmb3IgdWRlbGF5KCkvbWRlbGF5KCkKPiBhbmQgfjUg bXMgZm9yIHRoZSB1c2xlZXBfcmFuZ2UoKSBjYXNlLiBJJ2xsIHNlZSBpZiBJIGNhbiBnZXQgb25l IG1vcmUKPiB0ZXN0IHNldHVwIHJ1bm5pbmcgZm9yIGJldHRlciBjb21wYXJpc29uLgoKSG1tLiBE ZXBlbmRpbmcgb24gaG93IG1hbnkgaXRlcmF0aW9ucyBpdCB0b29rIDVtcyBjb3VsZCBiZSBxdWl0 ZSBhIGJpdCwKb3Igbm90IG11Y2ggYXQgYWxsLiBJIHRoaW5rIGlkZWFsbHkgbGluayB0cmFpbmlu ZyBzaG91bGRuJ3QgdGFrZSB2ZXJ5Cm1hbnkgbWlsbGlzZWNvbmRzIGlmIHlvdSBkb24ndCBoYXZl IGl0ZXJhdGUgdGhlIHNldHRpbmdzIHRvbyBtdWNoLiBJJ3ZlCm5vdCBtZWFzdXJlZCB0aGlzIG15 c2VsZiBpbiBhIHdoaWxlIHRob3VnaCwgYW5kIEknbSBzdXJlIHdlJ3JlIG11Y2gKd29yc2UgYXQg bGVhc3Qgb24gc29tZSBwbGF0Zm9ybXMgY3VycmVudGx5LgoKQnV0IGF0IGxlYXN0IGEgZmV3IHNh bXBsZSBudW1iZXJzIGluIHRoZSBjb21taXQgbWVzc2FnZSBjb3VsZCB0aGVuIGhlbHAKcGVvcGxl IGlmIHRoZXkgbGF0ZXIgaGF2ZSB0byBsb29rIGludG8gd2h5IGxpbmsgdHJhaW5pbmcgaXMgdGFr aW5nIGFzCmxvbmcgYXMgaXQgaXMuCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFp bGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=