From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH] drm/i915/dp: Give up link training clock recovery after 10 failed attempts Date: Fri, 13 Jul 2018 15:23:41 -0700 Message-ID: <1531520621.7606.50.camel@intel.com> References: <1531503135-19153-1-git-send-email-nathan.d.ciobanu@linux.intel.com> <20180713212203.GG21149@intel.com> Reply-To: dhinakaran.pandiyan@intel.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 ESMTPS id 665F96E2DC for ; Fri, 13 Jul 2018 21:58:46 +0000 (UTC) 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 , Nathan Ciobanu Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE4LTA3LTEzIGF0IDE0OjIyIC0wNzAwLCBSb2RyaWdvIFZpdmkgd3JvdGU6Cj4g T24gRnJpLCBKdWwgMTMsIDIwMTggYXQgMTA6MzI6MTVBTSAtMDcwMCwgTmF0aGFuIENpb2JhbnUg d3JvdGU6Cj4gPiAKPiA+IExpbWl0IHRoZSBsaW5rIHRyYWluaW5nIGNsb2NrIHJlY292ZXJ5IGxv b3AgdG8gMTAgZmFpbGVkIGF0dGVtcHRzCj4gPiBhdAo+ID4gTEFORXhfQ1JfRE9ORSBwZXIgRFAg MS40IHNwZWMuCj4gV2hlcmUgZXhhY3RseSBpbiB0aGUgc3BlYz8KPiAKPiA+IAo+ID4gU29tZSBV U0ItQyBNU1QgaHVicyBjYXVzZSB1cyB0byBnZXQKPiA+IHN0dWNrIGluIHRoaXMgbG9vcCBvbiBo b3QtcGx1Z2dpbmcgaW5kZWZpbml0ZWx5IGFzCgpBbHNvIGluY2x1ZGUgdGhlIGluZm9ybWF0aW9u ICh0aGUgdnN3aW5nIHRvZ2dsaW5nIHBhcnQpIGFib3V0IHdoeSBpdCBpcwpzdHVjayBpbiB0aGUg bG9vcC7CoAoKPiA+IGRybV9kcF9jbG9ja19yZWNvdmVyeV9vaygpIG5ldmVyIHJldHVybnMgdHJ1 ZSBhbmQgbm9uZSBvZiB0aGUKPiA+IG90aGVyIGNvbmRpdGlvbnMgb2NjdXIuCj4gQWx0aG91Z2gg aXQgc2VlbXMgcmVhbGx5IGJhZCBzaXR1YXRpb24gdGhhdCB3ZSBuZWVkIHRvIGF2b2lkLi4uCj4g Cj4gPiAKPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogTmF0aGFuIENpb2JhbnUgPG5hdGhhbi5kLmNp b2JhbnVAbGludXguaW50ZWwuY29tPgo+ID4gLS0tCj4gPiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYyB8IDggKysrKysrKy0KPiA+IMKgMSBmaWxlIGNoYW5n ZWQsIDcgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfbGlua190cmFpbmluZy5jCj4gPiBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYwo+ID4gaW5kZXggNGRhNmUz M2M3ZmExLi42NmMxYTcwMzQzYmEgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcF9saW5rX3RyYWluaW5nLmMKPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwX2xpbmtfdHJhaW5pbmcuYwo+ID4gQEAgLTEyOSw3ICsxMjksNyBAQCBzdGF0aWMg Ym9vbAo+ID4gaW50ZWxfZHBfbGlua19tYXhfdnN3aW5nX3JlYWNoZWQoc3RydWN0IGludGVsX2Rw ICppbnRlbF9kcCkKPiA+IMKgaW50ZWxfZHBfbGlua190cmFpbmluZ19jbG9ja19yZWNvdmVyeShz dHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ID4gwqB7Cj4gPiDCoAl1aW50OF90IHZvbHRhZ2U7 Cj4gPiAtCWludCB2b2x0YWdlX3RyaWVzLCBtYXhfdnN3aW5nX3RyaWVzOwo+ID4gKwlpbnQgdm9s dGFnZV90cmllcywgbWF4X3Zzd2luZ190cmllcywgY3JfdHJpZXM7Cj4gPiDCoAl1aW50OF90IGxp bmtfY29uZmlnWzJdOwo+ID4gwqAJdWludDhfdCBsaW5rX2J3LCByYXRlX3NlbGVjdDsKPiA+IMKg Cj4gPiBAQCAtMTcyLDYgKzE3Miw3IEBAIHN0YXRpYyBib29sCj4gPiBpbnRlbF9kcF9saW5rX21h eF92c3dpbmdfcmVhY2hlZChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ID4gwqAKPiA+IMKg CXZvbHRhZ2VfdHJpZXMgPSAxOwo+ID4gwqAJbWF4X3Zzd2luZ190cmllcyA9IDA7Cj4gPiArCWNy X3RyaWVzID0gMDsKPiA+IMKgCWZvciAoOzspIHsKPiA+IMKgCQl1aW50OF90IGxpbmtfc3RhdHVz W0RQX0xJTktfU1RBVFVTX1NJWkVdOwo+ID4gwqAKPiA+IEBAIC0yMTUsNiArMjE2LDExIEBAIHN0 YXRpYyBib29sCj4gPiBpbnRlbF9kcF9saW5rX21heF92c3dpbmdfcmVhY2hlZChzdHJ1Y3QgaW50 ZWxfZHAgKmludGVsX2RwKQo+ID4gwqAJCWlmIChpbnRlbF9kcF9saW5rX21heF92c3dpbmdfcmVh Y2hlZChpbnRlbF9kcCkpCj4gPiDCoAkJCSsrbWF4X3Zzd2luZ190cmllczsKPiA+IMKgCj4gPiAr CQlpZiAoY3JfdHJpZXMgPT0gOSkgewo+ID4gKwkJCURSTV9FUlJPUigiRmFpbGVkIGNsb2NrIHJl Y292ZXJ5IDEwIHRpbWVzLAo+ID4gZ2l2aW5nIHVwIVxuIik7Cj4gPiArCQkJcmV0dXJuIGZhbHNl Owo+ID4gKwkJfQo+ID4gKwkJKytjcl90cmllczsKPiBJZiBJIHVuZGVyc3Rvb2QgY29ycmVjdGx5 IHRoaXMgaXMgYSBnbG9iYWwgdGhpbmcgZm9yIHRoZSBmb3IoOzspCj4gcmlnaHQ/Cj4gCj4gU2hv dWxkbid0IHdlIG1ha2UgdGhlbiBsaWtlIGE6Cj4gCj4gLSBmb3IoOzspCj4gKyBmb3IoY3JfdHJp ZXMgPSAwOyBjcl90cmllcyA8IDEwOyBjcl90cmllcysrKQo+IAl7Cj4gCX0KPiAKPiArIERSTV9F UlJPUigiRmFpbGVkIGNsb2NrIHJlY292ZXJ5IDEwIHRpbWVzLCBnaXZpbmcgdXAhXG4iKTvCoAo+ ICsgcmV0dXJuIGZhbHNlOwo+IH0KPiAKPiBUaGFua3MsCj4gUm9kcmlnby4KPiAKPiA+IAo+ID4g wqAJfQo+ID4gwqB9Cj4gPiDCoApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK