From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 10/10] drm/i915: Leave FDI running after failed link training on LPT-H Date: Fri, 4 Dec 2015 13:59:37 +0200 Message-ID: <20151204115937.GS4437@intel.com> References: <1448975321-20192-1-git-send-email-ville.syrjala@linux.intel.com> <1448975321-20192-11-git-send-email-ville.syrjala@linux.intel.com> <20151204100910.GL10243@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 41DCA6EE28 for ; Fri, 4 Dec 2015 03:59:40 -0800 (PST) Content-Disposition: inline In-Reply-To: <20151204100910.GL10243@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBEZWMgMDQsIDIwMTUgYXQgMTE6MDk6MTFBTSArMDEwMCwgRGFuaWVsIFZldHRlciB3 cm90ZToKPiBPbiBUdWUsIERlYyAwMSwgMjAxNSBhdCAwMzowODo0MVBNICswMjAwLCB2aWxsZS5z eXJqYWxhQGxpbnV4LmludGVsLmNvbSB3cm90ZToKPiA+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8 dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gPiAKPiA+IEN1cnJlbnRseSB3ZSBkaXNh YmxlIHNvbWUgcGFydHMgb2YgRkRJIHNldHVwIGFmdGVyIGEgZmFpbGVkIGxpbmsKPiA+IHRyYWlu aW5nLiBCdXQgZGVzcGl0ZSB0aGF0IHdlIGNvbnRpbnVlIHdpdGggdGhlIG1vZGVzZXQgYXMgaWYg ZXZlcnl0aGluZwo+ID4gaXMgZmluZS4gVGhpcyByZXN1bHRzIGluIHRvbnMgb2Ygbm9pc2UgZnJv bSB0aGUgc3RhdGUgY2hlY2tlciwgYW5kCj4gPiBpdCBtZWFucyB3ZSdyZSBub3QgZm9sbG93aW5n IHRoZSBwcm9wZXIgbW9kZXNldCBzZXF1ZW5jZSBmb3IgdGhlIHJlc3Qgb2YKPiA+IGNydGMgZW5h YmxpbmcsIG5vciBmb3IgY3J0YyBkaXNhYmxpbmcuCj4gPiAKPiA+IElkZWFsbHkgd2Ugc2hvdWxk IGFib3J0IHRoZSBtb2Rlc2V0IGFuZCBmb2xsb3cgdGhlIHByb3BlciBkaXNhYmxlCj4gPiBzdXF1 ZW5jZWQgdG8gc2h1dCBvZmYgZXZlcnl0aGluZyB3ZSBlbmFibGVkIHNvIGZhciwgYnV0IHRoYXQg d291bGQKPiA+IHJlcXVpcmUgYSBiaWcgcmV3b3JrIG9mIHRoZSBtb2Rlc2V0IGNvZGUuIFNvIGlu c3RlYWQganVzdCBsZWF2ZSBGREkKPiA+IHVwIGFuZCBydW5uaW5nIGluIGl0cyB1bnRyYWluZWQg c3RhdGUsIGFuZCBsb2cgYW4gZXJyb3IuIFRoaXMgaXMKPiA+IHdoYXQgd2UgZG8gb24gb2xkZXIg cGxhdGZvcm1zIHRvby4KPiAKPiBObywgaWRlYWxseSB3ZSBzaG91bGQgbGlnaHQgdGhlIHBpcGUg dXAgYW5kIHRlbGwgdXNlcnNwYWNlIHRocm91Z2ggc29tZQo+IHVldmVudCB0aGF0IHNvbWV0aGlu ZyBiYWQgaGFzIGhhcHBlbmVkLgoKVGhhdCdzIG5vdCBpZGVhbCBmcm9tIHRoZSBoYXJkd2FyZSBQ T1YsIGFuZCBpdCdzIHJhdGhlciBhZ2FpbnN0IHRoZSBzcGVjCmV2ZW4uIEJ1dCB0aGlzIHBhdGNo IGRvZXMgZXhhY3RseSB0aGF0LgoKPiBFc3BlY2lhbGx5IHdpdGggYXN5bmMgY29tbWl0cwo+IGZh aWxpbmcgdG8gbGlnaHQgdXAgdGhlIHBpcGUgbG9va3MgdG8gdXNlcnNwYWNlIGxpa2UgdGhlIGtl cm5lbCBqdXN0Cj4gcmFuZG9tbHkgZGlzYWJsZWQgaXQuIEFuZCB0aGF0IHVzdWFsbHkgcmVzdWx0 cyBpbiByYW5kb20gY3Jhc2hlcyB3aGVuIHRoZQo+IG5leHQgZmxpcCBvciB2Ymxhbmsgd2FpdCBm YWlscyBhbmQgZXZlcnl0aGluZyBjb21lcyBjcmFzaGluZyBkb3duLiBBbmQKPiBldmVuIGlmIHdl IHdvdWxkbid0IC1FSU5WQUwgdGhlc2UgdXNlcnNwYWNlIHdvdWxkIHN0aWxsIGhhdmUgYSBwcm9i bGVtCj4gc2luY2UgdGhlIGZsaXAgb3IgdmJsYW5rIGl0IHdhbnRzIHRvIHdhaXQgZm9yIHNpbXBs eSBuZXZlciBoYXBwZW5zIGFuZAo+IHRoZW4gaXQncyBqdXN0IHN0YWxsZWQuCj4gCj4gV2UndmUg aGFkIHRvbnMgb2YgcHJvYmxlbXMgd2l0aCB0aGlzIGluIHRoZSBwYXN0LCBhbmQgdGhlcmVmb3Jl IHJlbW92ZWQKPiBhbGwgdGhlIGluLWtlcm5lbCBzb3VyY2VzIGZvciBzaHV0dGluZyBkb3duIGEg cGlwZS4gRS5nLiBEUCByZS10cmFpbmluZwo+IGFsc28gZm9yY2VzIHRoZSBwaXBlIHRvIG9uIGFn YWluLCBldmVuIGlmIGl0IGZhaWxzLgo+IAo+IFl1cCBkcCBtc3QgaXMgYW4gZXhjZXB0aW9uIGFu ZCBJIG5lZWQgdG8gZml4IGl0IGV2ZW50dWFsbHkuCj4gCj4gQ2hlZXJzLCBEYW5pZWwKPiA+IAo+ ID4gU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIHwg MjQgKysrKysrKysrKysrKysrLS0tLS0tLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDE1IGluc2Vy dGlvbnMoKyksIDkgZGVsZXRpb25zKC0pCj4gPiAKPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kZGkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5j Cj4gPiBpbmRleCA3NmNlN2MyOTYwYjYuLmIzMTJhNDdhMDY1NCAxMDA2NDQKPiA+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kZGkuYwo+ID4gQEAgLTY3NSwxNSArNjc1LDE2IEBAIHZvaWQgaHN3X2ZkaV9s aW5rX3RyYWluKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiA+ICAJCXRlbXAgPSBJOTE1X1JFQUQo RFBfVFBfU1RBVFVTKFBPUlRfRSkpOwo+ID4gIAkJaWYgKHRlbXAgJiBEUF9UUF9TVEFUVVNfQVVU T1RSQUlOX0RPTkUpIHsKPiA+ICAJCQlEUk1fREVCVUdfS01TKCJGREkgbGluayB0cmFpbmluZyBk b25lIG9uIHN0ZXAgJWRcbiIsIGkpOwo+ID4gKwkJCWJyZWFrOwo+ID4gKwkJfQo+ID4gIAo+ID4g LQkJCS8qIEVuYWJsZSBub3JtYWwgcGl4ZWwgc2VuZGluZyBmb3IgRkRJICovCj4gPiAtCQkJSTkx NV9XUklURShEUF9UUF9DVEwoUE9SVF9FKSwKPiA+IC0JCQkJICAgRFBfVFBfQ1RMX0ZESV9BVVRP VFJBSU4gfAo+ID4gLQkJCQkgICBEUF9UUF9DVExfTElOS19UUkFJTl9OT1JNQUwgfAo+ID4gLQkJ CQkgICBEUF9UUF9DVExfRU5IQU5DRURfRlJBTUVfRU5BQkxFIHwKPiA+IC0JCQkJICAgRFBfVFBf Q1RMX0VOQUJMRSk7Cj4gPiAtCj4gPiAtCQkJcmV0dXJuOwo+ID4gKwkJLyoKPiA+ICsJCSAqIExl YXZlIHRoaW5ncyBlbmFibGVkIGV2ZW4gaWYgd2UgZmFpbGVkIHRvIHRyYWluIEZESS4KPiA+ICsJ CSAqIFJlc3VsdHMgaW4gbGVzcyBmaXJld29ya3MgZnJvbSB0aGUgc3RhdGUgY2hlY2tlci4KPiA+ ICsJCSAqLwo+ID4gKwkJaWYgKGkgPT0gQVJSQVlfU0laRShoc3dfZGRpX3RyYW5zbGF0aW9uc19m ZGkpICogMiAtIDEpIHsKPiA+ICsJCQlEUk1fRVJST1IoIkZESSBsaW5rIHRyYWluaW5nIGZhaWxl ZCFcbiIpOwo+ID4gKwkJCWJyZWFrOwo+ID4gIAkJfQo+ID4gIAo+ID4gIAkJdGVtcCA9IEk5MTVf UkVBRChERElfQlVGX0NUTChQT1JUX0UpKTsKPiA+IEBAIC03MTIsNyArNzEzLDEyIEBAIHZvaWQg aHN3X2ZkaV9saW5rX3RyYWluKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiA+ICAJCVBPU1RJTkdf UkVBRChGRElfUlhfTUlTQyhQSVBFX0EpKTsKPiA+ICAJfQo+ID4gIAo+ID4gLQlEUk1fRVJST1Io IkZESSBsaW5rIHRyYWluaW5nIGZhaWxlZCFcbiIpOwo+ID4gKwkvKiBFbmFibGUgbm9ybWFsIHBp eGVsIHNlbmRpbmcgZm9yIEZESSAqLwo+ID4gKwlJOTE1X1dSSVRFKERQX1RQX0NUTChQT1JUX0Up LAo+ID4gKwkJICAgRFBfVFBfQ1RMX0ZESV9BVVRPVFJBSU4gfAo+ID4gKwkJICAgRFBfVFBfQ1RM X0xJTktfVFJBSU5fTk9STUFMIHwKPiA+ICsJCSAgIERQX1RQX0NUTF9FTkhBTkNFRF9GUkFNRV9F TkFCTEUgfAo+ID4gKwkJICAgRFBfVFBfQ1RMX0VOQUJMRSk7Cj4gPiAgfQo+ID4gIAo+ID4gIHZv aWQgaW50ZWxfZGRpX2luaXRfZHBfYnVmX3JlZyhzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2Rl cikKPiA+IC0tIAo+ID4gMi40LjEwCj4gPiAKPiA+IF9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCj4gPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gPiBJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cj4gCj4gLS0gCj4gRGFuaWVsIFZldHRlcgo+ IFNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgo+IGh0dHA6Ly9ibG9nLmZmd2xs LmNoCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=