From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 10/10] drm/i915: Leave FDI running after failed link training on LPT-H Date: Fri, 4 Dec 2015 11:09:11 +0100 Message-ID: <20151204100910.GL10243@phenom.ffwll.local> References: <1448975321-20192-1-git-send-email-ville.syrjala@linux.intel.com> <1448975321-20192-11-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-f51.google.com (mail-wm0-f51.google.com [74.125.82.51]) by gabe.freedesktop.org (Postfix) with ESMTPS id 577656ED10 for ; Fri, 4 Dec 2015 02:09:15 -0800 (PST) Received: by wmec201 with SMTP id c201so58468613wme.1 for ; Fri, 04 Dec 2015 02:09:13 -0800 (PST) Content-Disposition: inline In-Reply-To: <1448975321-20192-11-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ville.syrjala@linux.intel.com Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBEZWMgMDEsIDIwMTUgYXQgMDM6MDg6NDFQTSArMDIwMCwgdmlsbGUuc3lyamFsYUBs aW51eC5pbnRlbC5jb20gd3JvdGU6Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4KPiAKPiBDdXJyZW50bHkgd2UgZGlzYWJsZSBzb21lIHBhcnRz IG9mIEZESSBzZXR1cCBhZnRlciBhIGZhaWxlZCBsaW5rCj4gdHJhaW5pbmcuIEJ1dCBkZXNwaXRl IHRoYXQgd2UgY29udGludWUgd2l0aCB0aGUgbW9kZXNldCBhcyBpZiBldmVyeXRoaW5nCj4gaXMg ZmluZS4gVGhpcyByZXN1bHRzIGluIHRvbnMgb2Ygbm9pc2UgZnJvbSB0aGUgc3RhdGUgY2hlY2tl ciwgYW5kCj4gaXQgbWVhbnMgd2UncmUgbm90IGZvbGxvd2luZyB0aGUgcHJvcGVyIG1vZGVzZXQg c2VxdWVuY2UgZm9yIHRoZSByZXN0IG9mCj4gY3J0YyBlbmFibGluZywgbm9yIGZvciBjcnRjIGRp c2FibGluZy4KPiAKPiBJZGVhbGx5IHdlIHNob3VsZCBhYm9ydCB0aGUgbW9kZXNldCBhbmQgZm9s bG93IHRoZSBwcm9wZXIgZGlzYWJsZQo+IHN1cXVlbmNlZCB0byBzaHV0IG9mZiBldmVyeXRoaW5n IHdlIGVuYWJsZWQgc28gZmFyLCBidXQgdGhhdCB3b3VsZAo+IHJlcXVpcmUgYSBiaWcgcmV3b3Jr IG9mIHRoZSBtb2Rlc2V0IGNvZGUuIFNvIGluc3RlYWQganVzdCBsZWF2ZSBGREkKPiB1cCBhbmQg cnVubmluZyBpbiBpdHMgdW50cmFpbmVkIHN0YXRlLCBhbmQgbG9nIGFuIGVycm9yLiBUaGlzIGlz Cj4gd2hhdCB3ZSBkbyBvbiBvbGRlciBwbGF0Zm9ybXMgdG9vLgoKTm8sIGlkZWFsbHkgd2Ugc2hv dWxkIGxpZ2h0IHRoZSBwaXBlIHVwIGFuZCB0ZWxsIHVzZXJzcGFjZSB0aHJvdWdoIHNvbWUKdWV2 ZW50IHRoYXQgc29tZXRoaW5nIGJhZCBoYXMgaGFwcGVuZWQuIEVzcGVjaWFsbHkgd2l0aCBhc3lu YyBjb21taXRzCmZhaWxpbmcgdG8gbGlnaHQgdXAgdGhlIHBpcGUgbG9va3MgdG8gdXNlcnNwYWNl IGxpa2UgdGhlIGtlcm5lbCBqdXN0CnJhbmRvbWx5IGRpc2FibGVkIGl0LiBBbmQgdGhhdCB1c3Vh bGx5IHJlc3VsdHMgaW4gcmFuZG9tIGNyYXNoZXMgd2hlbiB0aGUKbmV4dCBmbGlwIG9yIHZibGFu ayB3YWl0IGZhaWxzIGFuZCBldmVyeXRoaW5nIGNvbWVzIGNyYXNoaW5nIGRvd24uIEFuZApldmVu IGlmIHdlIHdvdWxkbid0IC1FSU5WQUwgdGhlc2UgdXNlcnNwYWNlIHdvdWxkIHN0aWxsIGhhdmUg YSBwcm9ibGVtCnNpbmNlIHRoZSBmbGlwIG9yIHZibGFuayBpdCB3YW50cyB0byB3YWl0IGZvciBz aW1wbHkgbmV2ZXIgaGFwcGVucyBhbmQKdGhlbiBpdCdzIGp1c3Qgc3RhbGxlZC4KCldlJ3ZlIGhh ZCB0b25zIG9mIHByb2JsZW1zIHdpdGggdGhpcyBpbiB0aGUgcGFzdCwgYW5kIHRoZXJlZm9yZSBy ZW1vdmVkCmFsbCB0aGUgaW4ta2VybmVsIHNvdXJjZXMgZm9yIHNodXR0aW5nIGRvd24gYSBwaXBl LiBFLmcuIERQIHJlLXRyYWluaW5nCmFsc28gZm9yY2VzIHRoZSBwaXBlIHRvIG9uIGFnYWluLCBl dmVuIGlmIGl0IGZhaWxzLgoKWXVwIGRwIG1zdCBpcyBhbiBleGNlcHRpb24gYW5kIEkgbmVlZCB0 byBmaXggaXQgZXZlbnR1YWxseS4KCkNoZWVycywgRGFuaWVsCj4gCj4gU2lnbmVkLW9mZi1ieTog VmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiAtLS0KPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMgfCAyNCArKysrKysrKysrKysrKystLS0t LS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDkgZGVsZXRpb25zKC0p Cj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPiBpbmRleCA3NmNlN2MyOTYwYjYuLmIzMTJh NDdhMDY1NCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwo+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jCj4gQEAgLTY3NSwxNSArNjc1 LDE2IEBAIHZvaWQgaHN3X2ZkaV9saW5rX3RyYWluKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiAg CQl0ZW1wID0gSTkxNV9SRUFEKERQX1RQX1NUQVRVUyhQT1JUX0UpKTsKPiAgCQlpZiAodGVtcCAm IERQX1RQX1NUQVRVU19BVVRPVFJBSU5fRE9ORSkgewo+ICAJCQlEUk1fREVCVUdfS01TKCJGREkg bGluayB0cmFpbmluZyBkb25lIG9uIHN0ZXAgJWRcbiIsIGkpOwo+ICsJCQlicmVhazsKPiArCQl9 Cj4gIAo+IC0JCQkvKiBFbmFibGUgbm9ybWFsIHBpeGVsIHNlbmRpbmcgZm9yIEZESSAqLwo+IC0J CQlJOTE1X1dSSVRFKERQX1RQX0NUTChQT1JUX0UpLAo+IC0JCQkJICAgRFBfVFBfQ1RMX0ZESV9B VVRPVFJBSU4gfAo+IC0JCQkJICAgRFBfVFBfQ1RMX0xJTktfVFJBSU5fTk9STUFMIHwKPiAtCQkJ CSAgIERQX1RQX0NUTF9FTkhBTkNFRF9GUkFNRV9FTkFCTEUgfAo+IC0JCQkJICAgRFBfVFBfQ1RM X0VOQUJMRSk7Cj4gLQo+IC0JCQlyZXR1cm47Cj4gKwkJLyoKPiArCQkgKiBMZWF2ZSB0aGluZ3Mg ZW5hYmxlZCBldmVuIGlmIHdlIGZhaWxlZCB0byB0cmFpbiBGREkuCj4gKwkJICogUmVzdWx0cyBp biBsZXNzIGZpcmV3b3JrcyBmcm9tIHRoZSBzdGF0ZSBjaGVja2VyLgo+ICsJCSAqLwo+ICsJCWlm IChpID09IEFSUkFZX1NJWkUoaHN3X2RkaV90cmFuc2xhdGlvbnNfZmRpKSAqIDIgLSAxKSB7Cj4g KwkJCURSTV9FUlJPUigiRkRJIGxpbmsgdHJhaW5pbmcgZmFpbGVkIVxuIik7Cj4gKwkJCWJyZWFr Owo+ICAJCX0KPiAgCj4gIAkJdGVtcCA9IEk5MTVfUkVBRChERElfQlVGX0NUTChQT1JUX0UpKTsK PiBAQCAtNzEyLDcgKzcxMywxMiBAQCB2b2lkIGhzd19mZGlfbGlua190cmFpbihzdHJ1Y3QgZHJt X2NydGMgKmNydGMpCj4gIAkJUE9TVElOR19SRUFEKEZESV9SWF9NSVNDKFBJUEVfQSkpOwo+ICAJ fQo+ICAKPiAtCURSTV9FUlJPUigiRkRJIGxpbmsgdHJhaW5pbmcgZmFpbGVkIVxuIik7Cj4gKwkv KiBFbmFibGUgbm9ybWFsIHBpeGVsIHNlbmRpbmcgZm9yIEZESSAqLwo+ICsJSTkxNV9XUklURShE UF9UUF9DVEwoUE9SVF9FKSwKPiArCQkgICBEUF9UUF9DVExfRkRJX0FVVE9UUkFJTiB8Cj4gKwkJ ICAgRFBfVFBfQ1RMX0xJTktfVFJBSU5fTk9STUFMIHwKPiArCQkgICBEUF9UUF9DVExfRU5IQU5D RURfRlJBTUVfRU5BQkxFIHwKPiArCQkgICBEUF9UUF9DVExfRU5BQkxFKTsKPiAgfQo+ICAKPiAg dm9pZCBpbnRlbF9kZGlfaW5pdF9kcF9idWZfcmVnKHN0cnVjdCBpbnRlbF9lbmNvZGVyICplbmNv ZGVyKQo+IC0tIAo+IDIuNC4xMAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4CgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwg SW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK