From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Ciobanu Subject: Re: [PATCH] drm/i915/dp: Give up link training clock recovery after 10 failed attempts Date: Fri, 13 Jul 2018 15:49:27 -0700 Message-ID: <20180713224927.GA28740@nc-new> References: <1531503135-19153-1-git-send-email-nathan.d.ciobanu@linux.intel.com> <20180713212203.GG21149@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8489B6E319 for ; Fri, 13 Jul 2018 22:56:41 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180713212203.GG21149@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Rodrigo Vivi Cc: intel-gfx@lists.freedesktop.org, dhinakaran.pandiyan@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdWwgMTMsIDIwMTggYXQgMDI6MjI6MDNQTSAtMDcwMCwgUm9kcmlnbyBWaXZpIHdy b3RlOgo+IE9uIEZyaSwgSnVsIDEzLCAyMDE4IGF0IDEwOjMyOjE1QU0gLTA3MDAsIE5hdGhhbiBD aW9iYW51IHdyb3RlOgo+ID4gTGltaXQgdGhlIGxpbmsgdHJhaW5pbmcgY2xvY2sgcmVjb3Zlcnkg bG9vcCB0byAxMCBmYWlsZWQgYXR0ZW1wdHMgYXQKPiA+IExBTkV4X0NSX0RPTkUgcGVyIERQIDEu NCBzcGVjLgo+IAo+IFdoZXJlIGV4YWN0bHkgaW4gdGhlIHNwZWM/CkknbGwgYWRkIHRoZSBzZWN0 aW9uIG51bWJlciB0byB0aGUgY29tbWl0IG1lc3NhZ2UuCj4gCj4gPiBTb21lIFVTQi1DIE1TVCBo dWJzIGNhdXNlIHVzIHRvIGdldAo+ID4gc3R1Y2sgaW4gdGhpcyBsb29wIG9uIGhvdC1wbHVnZ2lu ZyBpbmRlZmluaXRlbHkgYXMKPiA+IGRybV9kcF9jbG9ja19yZWNvdmVyeV9vaygpIG5ldmVyIHJl dHVybnMgdHJ1ZSBhbmQgbm9uZSBvZiB0aGUKPiA+IG90aGVyIGNvbmRpdGlvbnMgb2NjdXIuCj4g Cj4gQWx0aG91Z2ggaXQgc2VlbXMgcmVhbGx5IGJhZCBzaXR1YXRpb24gdGhhdCB3ZSBuZWVkIHRv IGF2b2lkLi4uCj4gCj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IE5hdGhhbiBDaW9iYW51IDxuYXRo YW4uZC5jaW9iYW51QGxpbnV4LmludGVsLmNvbT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYyB8IDggKysrKysrKy0KPiA+ICAxIGZpbGUg Y2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gPiAKPiA+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5rX3RyYWluaW5nLmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcF9saW5rX3RyYWluaW5nLmMKPiA+IGluZGV4IDRkYTZl MzNjN2ZhMS4uNjZjMWE3MDM0M2JhIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHBfbGlua190cmFpbmluZy5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcF9saW5rX3RyYWluaW5nLmMKPiA+IEBAIC0xMjksNyArMTI5LDcgQEAgc3RhdGlj IGJvb2wgaW50ZWxfZHBfbGlua19tYXhfdnN3aW5nX3JlYWNoZWQoc3RydWN0IGludGVsX2RwICpp bnRlbF9kcCkKPiA+ICBpbnRlbF9kcF9saW5rX3RyYWluaW5nX2Nsb2NrX3JlY292ZXJ5KHN0cnVj dCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gPiAgewo+ID4gIAl1aW50OF90IHZvbHRhZ2U7Cj4gPiAt CWludCB2b2x0YWdlX3RyaWVzLCBtYXhfdnN3aW5nX3RyaWVzOwo+ID4gKwlpbnQgdm9sdGFnZV90 cmllcywgbWF4X3Zzd2luZ190cmllcywgY3JfdHJpZXM7Cj4gPiAgCXVpbnQ4X3QgbGlua19jb25m aWdbMl07Cj4gPiAgCXVpbnQ4X3QgbGlua19idywgcmF0ZV9zZWxlY3Q7Cj4gPiAgCj4gPiBAQCAt MTcyLDYgKzE3Miw3IEBAIHN0YXRpYyBib29sIGludGVsX2RwX2xpbmtfbWF4X3Zzd2luZ19yZWFj aGVkKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gPiAgCj4gPiAgCXZvbHRhZ2VfdHJpZXMg PSAxOwo+ID4gIAltYXhfdnN3aW5nX3RyaWVzID0gMDsKPiA+ICsJY3JfdHJpZXMgPSAwOwo+ID4g IAlmb3IgKDs7KSB7Cj4gPiAgCQl1aW50OF90IGxpbmtfc3RhdHVzW0RQX0xJTktfU1RBVFVTX1NJ WkVdOwo+ID4gIAo+ID4gQEAgLTIxNSw2ICsyMTYsMTEgQEAgc3RhdGljIGJvb2wgaW50ZWxfZHBf bGlua19tYXhfdnN3aW5nX3JlYWNoZWQoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiA+ICAJ CWlmIChpbnRlbF9kcF9saW5rX21heF92c3dpbmdfcmVhY2hlZChpbnRlbF9kcCkpCj4gPiAgCQkJ KyttYXhfdnN3aW5nX3RyaWVzOwo+ID4gIAo+ID4gKwkJaWYgKGNyX3RyaWVzID09IDkpIHsKPiA+ ICsJCQlEUk1fRVJST1IoIkZhaWxlZCBjbG9jayByZWNvdmVyeSAxMCB0aW1lcywgZ2l2aW5nIHVw IVxuIik7Cj4gPiArCQkJcmV0dXJuIGZhbHNlOwo+ID4gKwkJfQo+ID4gKwkJKytjcl90cmllczsK PiAKPiBJZiBJIHVuZGVyc3Rvb2QgY29ycmVjdGx5IHRoaXMgaXMgYSBnbG9iYWwgdGhpbmcgZm9y IHRoZSBmb3IoOzspIHJpZ2h0Pwo+IAo+IFNob3VsZG4ndCB3ZSBtYWtlIHRoZW4gbGlrZSBhOgo+ IAo+IC0gZm9yKDs7KQo+ICsgZm9yKGNyX3RyaWVzID0gMDsgY3JfdHJpZXMgPCAxMDsgY3JfdHJp ZXMrKykKPiAJewo+IAl9Cj4gCj4gKyBEUk1fRVJST1IoIkZhaWxlZCBjbG9jayByZWNvdmVyeSAx MCB0aW1lcywgZ2l2aW5nIHVwIVxuIik7IAo+ICsgcmV0dXJuIGZhbHNlOwo+IH0KVGhhdCB3YXMg bXkgdGhvdWdodCBpbml0aWFsbHkgYXMgd2VsbCBidXQgSSB3YXMgd29ycmllZCB0aGF0Cml0IHdp bGwgbm90IGJlIGltbWVkaWF0ZWx5IG9idmlvdXMgd2h5IEknbSByZXR1cm5pbmcgZmFsc2UgYWZ0 ZXIKdGhlIGxvb3AgLSBhbHRob3VnaCB0aGUgZXJyb3IgbWVzc2FnZSB0ZWxscyB5b3Ugd2h5LiBJ J2xsIGNoYW5nZQp0aGlzLiAKCi1OYXRoYW4KPiAKPiBUaGFua3MsCj4gUm9kcmlnby4KPiAKPiA+ ICAJfQo+ID4gIH0KPiA+ICAKPiA+IC0tIAo+ID4gMS45LjEKPiA+IAo+ID4gX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiA+IEludGVsLWdmeCBtYWlsaW5n IGxpc3QKPiA+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiA+IGh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cj4gCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=