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, 14 Dec 2015 16:48:09 +0200 Message-ID: <20151214144809.GO4437@intel.com> References: <1450099316-31126-1-git-send-email-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 2D2F46E030 for ; Mon, 14 Dec 2015 06:48:12 -0800 (PST) Content-Disposition: inline In-Reply-To: <1450099316-31126-1-git-send-email-thierry.reding@gmail.com> 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 T24gTW9uLCBEZWMgMTQsIDIwMTUgYXQgMDI6MjE6NTZQTSArMDEwMCwgVGhpZXJyeSBSZWRpbmcg d3JvdGU6Cj4gRnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KPiAKPiBV c2UgbWljcm9zZWNvbmQgc2xlZXBzIGZvciB0aGUgY2xvY2sgcmVjb3ZlcnkgYW5kIGNoYW5uZWwg ZXF1YWxpemF0aW9uCj4gZGVsYXlzIGR1cmluZyBsaW5rIHRyYWluaW5nLiBUaGUgZHVyYXRpb24g b2YgdGhlc2UgZGVsYXlzIGNhbiBiZSBmcm9tCj4gMTAwIHVzIHVwIHRvIDE2IG1zLiBJdCBpcyBy dWRlIHRvIGJ1c3ktbG9vcCBmb3IgdGhhdCBhbW91bnQgb2YgdGltZS4KCkRvIHlvdSBoYXZlIHNv bWUgbnVtYmVycyBvbiBob3cgdGhpcyBhZmZlY3RzIGEgdHlwaWNhbCBsaW5rIHRyYWluaW5nCmN5 Y2xlPwoKPiAKPiBXaGlsZSBhdCBpdCwgYWxzbyBjb252ZXJ0IHRvIHN0YW5kYXJkIGNvZGluZyBz dHlsZSBieSBwdXR0aW5nIHRoZQo+IG9wZW5pbmcgYnJhY2VzIGluIGEgZnVuY3Rpb24gZGVmaW5p dGlvbiBvbiBhIG5ldyBsaW5lLgo+IAo+IFNpZ25lZC1vZmYtYnk6IFRoaWVycnkgUmVkaW5nIDx0 cmVkaW5nQG52aWRpYS5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZHBfaGVscGVy LmMgfCAyNiArKysrKysrKysrKysrKysrKystLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMTgg aW5zZXJ0aW9ucygrKSwgOCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2RybV9kcF9oZWxwZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfaGVscGVyLmMK PiBpbmRleCA3M2EzZTA1NDRmMzYuLjJkY2M0ZWZjZDM0YyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9o ZWxwZXIuYwo+IEBAIC0xMjUsMTkgKzEyNSwyOSBAQCB1OCBkcm1fZHBfZ2V0X2FkanVzdF9yZXF1 ZXN0X3Bvc3RfY3Vyc29yKGNvbnN0IHU4IGxpbmtfc3RhdHVzW0RQX0xJTktfU1RBVFVTX1NJWgo+ ICB9Cj4gIEVYUE9SVF9TWU1CT0woZHJtX2RwX2dldF9hZGp1c3RfcmVxdWVzdF9wb3N0X2N1cnNv cik7Cj4gIAo+IC12b2lkIGRybV9kcF9saW5rX3RyYWluX2Nsb2NrX3JlY292ZXJ5X2RlbGF5KGNv bnN0IHU4IGRwY2RbRFBfUkVDRUlWRVJfQ0FQX1NJWkVdKSB7Cj4gLQlpZiAoZHBjZFtEUF9UUkFJ TklOR19BVVhfUkRfSU5URVJWQUxdID09IDApCj4gLQkJdWRlbGF5KDEwMCk7Cj4gK3ZvaWQgZHJt X2RwX2xpbmtfdHJhaW5fY2xvY2tfcmVjb3ZlcnlfZGVsYXkoY29uc3QgdTggZHBjZFtEUF9SRUNF SVZFUl9DQVBfU0laRV0pCj4gK3sKPiArCXVuc2lnbmVkIGludCBtaW47Cj4gKwo+ICsJaWYgKGRw Y2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFMXSAhPSAwKQo+ICsJCW1pbiA9IGRwY2RbRFBf VFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFMXSAqIDQwMDA7Cj4gIAllbHNlCj4gLQkJbWRlbGF5KGRw Y2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFMXSAqIDQpOwo+ICsJCW1pbiA9IDEwMDsKPiAr Cj4gKwl1c2xlZXBfcmFuZ2UobWluLCBtaW4gKiAyKTsKPiAgfQo+ICBFWFBPUlRfU1lNQk9MKGRy bV9kcF9saW5rX3RyYWluX2Nsb2NrX3JlY292ZXJ5X2RlbGF5KTsKPiAgCj4gLXZvaWQgZHJtX2Rw X2xpbmtfdHJhaW5fY2hhbm5lbF9lcV9kZWxheShjb25zdCB1OCBkcGNkW0RQX1JFQ0VJVkVSX0NB UF9TSVpFXSkgewo+IC0JaWYgKGRwY2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFMXSA9PSAw KQo+IC0JCXVkZWxheSg0MDApOwo+ICt2b2lkIGRybV9kcF9saW5rX3RyYWluX2NoYW5uZWxfZXFf ZGVsYXkoY29uc3QgdTggZHBjZFtEUF9SRUNFSVZFUl9DQVBfU0laRV0pCj4gK3sKPiArCXVuc2ln bmVkIGludCBtaW47Cj4gKwo+ICsJaWYgKGRwY2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFM XSAhPSAwKQo+ICsJCW1pbiA9IGRwY2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFMXSAqIDQw MDA7Cj4gIAllbHNlCj4gLQkJbWRlbGF5KGRwY2RbRFBfVFJBSU5JTkdfQVVYX1JEX0lOVEVSVkFM XSAqIDQpOwo+ICsJCW1pbiA9IDQwMDsKPiArCj4gKwl1c2xlZXBfcmFuZ2UobWluLCBtaW4gKiAy KTsKPiAgfQo+ICBFWFBPUlRfU1lNQk9MKGRybV9kcF9saW5rX3RyYWluX2NoYW5uZWxfZXFfZGVs YXkpOwo+ICAKPiAtLSAKPiAyLjUuMAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gZHJpLWRldmVsIG1haWxpbmcgbGlzdAo+IGRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVsCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFp bGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=