From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sivakumar Thulasimani Subject: Re: [PATCH v3 2/2] drm/i915: DP link training optimization Date: Tue, 28 Apr 2015 15:18:43 +0530 Message-ID: <553F577B.1020905@intel.com> References: <1430203432-4460-1-git-send-email-mika.kahola@intel.com> <1430203432-4460-3-git-send-email-mika.kahola@intel.com> <553F3B9C.6040100@intel.com> <1430208886.4504.4.camel@sorvi> <553F4300.2000500@intel.com> <1430214136.2653.2.camel@sorvi> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id EE7C66E1BB for ; Tue, 28 Apr 2015 02:48:44 -0700 (PDT) In-Reply-To: <1430214136.2653.2.camel@sorvi> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mika Kahola Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gNC8yOC8yMDE1IDM6MTIgUE0sIE1pa2EgS2Fob2xhIHdyb3RlOgo+IE9uIFR1ZSwgMjAxNS0w NC0yOCBhdCAxMzo1MSArMDUzMCwgU2l2YWt1bWFyIFRodWxhc2ltYW5pIHdyb3RlOgo+Pgo+PiBP biA0LzI4LzIwMTUgMTo0NCBQTSwgTWlrYSBLYWhvbGEgd3JvdGU6Cj4+PiBPbiBUdWUsIDIwMTUt MDQtMjggYXQgMTM6MTkgKzA1MzAsIFNpdmFrdW1hciBUaHVsYXNpbWFuaSB3cm90ZToKPj4+PiBP biA0LzI4LzIwMTUgMTI6MTMgUE0sIE1pa2EgS2Fob2xhIHdyb3RlOgo+Pj4+PiBUaGlzIHBhdGNo IGFkZHMgRFAgbGluayB0cmFpbmluZyBvcHRpbWl6YXRpb24gYnkgcmV1c2luZyB0aGUKPj4+Pj4g cHJldmlvdXNseSB0cmFpbmVkIHZhbHVlcy4KPj4+Pj4KPj4+Pj4gdjI6Cj4+Pj4+IC0gcmViYXNl Cj4+Pj4+Cj4+Pj4+IFYzOgo+Pj4+PiAtIHJlYmFzZQo+Pj4+Pgo+Pj4+PiBTaWduZWQtb2ZmLWJ5 OiBNaWthIEthaG9sYSA8bWlrYS5rYWhvbGFAaW50ZWwuY29tPgo+Pj4+PiAtLS0KPj4+Pj4gICAg IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCAyICstCj4+Pj4+ICAgICAxIGZpbGUg Y2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPj4+Pj4KPj4+Pj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kcC5jCj4+Pj4+IGluZGV4IDE1YWRhZmMuLmJiMWE4ZDAgMTAwNjQ0Cj4+Pj4+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPj4+Pj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+Pj4+PiBAQCAtMzc5NCw3ICszNzk0LDcgQEAgaW50 ZWxfZHBfY29tcGxldGVfbGlua190cmFpbihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+Pj4+ PiAgICAgCWludGVsX2RwLT5EUCA9IERQOwo+Pj4+PiAgICAgCj4+Pj4+ICAgICAJaWYgKGNoYW5u ZWxfZXEpIHsKPj4+Pj4gLQkJaW50ZWxfZHAtPnRyYWluX3NldF92YWxpZCA9IGlzX2VkcChpbnRl bF9kcCk7Cj4+Pj4+ICsJCWludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQgPSB0cnVlOwo+Pj4+PiAg ICAgCQlEUk1fREVCVUdfS01TKCJDaGFubmVsIEVRIGRvbmUuIERQIFRyYWluaW5nIHN1Y2Nlc3Nm dWxcbiIpOwo+Pj4+PiAgICAgCX0KPj4+Pj4gICAgIH0KPj4+PiBhbnkgcmVhc29uIHdoeSB0aGlz IGlzIHNwbGl0IGludG8gYSBzZXBhcmF0ZSBwYXRjaCA/Cj4+PiBJIGRpc2N1c3NlZCB0aGlzIHdp dGggSmFuaSBhbmQgd2UgYWdyZWVkIHRoYXQgb25lIG9wdGlvbiB3b3VsZCBiZSB0bwo+Pj4gYXBw bHkgdGhpcyBvcHRpbWl6YXRpb24gb25seSBmb3IgdGhlIGVEUCBjYXNlLiBUaGlzIHNlY29uZCBw YXRjaCBpcyBmb3IKPj4+IHRoZSBwb3NzaWJpbGl0eSB0byBjb3ZlciB0aGUgZ2VuZXJhbCBEUC4K Pj4+Cj4+PiAtTWlrYS0KPj4+Cj4+Pgo+PiBtaWdodCBiZSBhIG5pdCBwaWNrIHNvIHVwIHRvIHlv dSB0byBjb25zaWRlciB0aGlzIG9yIG5vdCA6KS4gc2luY2UgRFAgaXMKPj4gcGFydCBvZiB0aGUg c2Vjb25kIHBhdGNoLCBiZXR0ZXIgdG8gcmVzZXQgInRyYWluX3NldF92YWxpZCIgZm9yIGxvbmcK Pj4gcHVsc2UgSFBEIGluIHRoZSBzZWNvbmQgcGF0Y2ggYXMgd2VsbC4gSFBEIGlzIG5vdCBlbmFi bGVkIGZvciBlRFAgYXMgb2Ygbm93Lgo+Pgo+IFNvLCB5b3UgbWVhbiB0aGF0IHRoZSBzZWNvbmQg cGF0Y2ggY291bGQgYmUgd3JpdHRlbiBhcyBpbmRlcGVuZGVudCBvZgo+IHRoZSBmaXJzdCBwYXRj aD8gSW4gdGhhdCB3YXkgeW91IGNvdWxkIGNob29zZSB3aGljaCBwYXRjaCB5b3UgYXBwbHkgYW5k Cj4geW91IHdvdWxkbid0IGhhdmUgdG8gYXBwbHkgdGhlIGJvdGggcGF0Y2hlcyB0byBnZXQgdGhl IERQIGNhc2UgY292ZXJlZC4KPgo+Cm5vcGUsIGkgd2FzIHJlZmVycmluZyB0byB0aGUgZm9sbG93 aW5nIGNoYW5nZSBhbG9uZS4KCkBAIC00ODIyLDYgKzQ4NDMsOCBAQCBpbnRlbF9kcF9ocGRfcHVs c2Uoc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxfZGlnX3BvcnQsIGJvb2wgbG9uZ19o cGQpCiAgCWludGVsX2Rpc3BsYXlfcG93ZXJfZ2V0KGRldl9wcml2LCBwb3dlcl9kb21haW4pOwog IAogIAlpZiAobG9uZ19ocGQpIHsKKwkJLyogaW5kaWNhdGUgdGhhdCB3ZSBuZWVkIHRvIHJlc3Rh cnQgbGluayB0cmFpbmluZyAqLworCQlpbnRlbF9kcC0+dHJhaW5fc2V0X3ZhbGlkID0gZmFsc2U7 CiAgCiAgCnRvIGJlIHNwZWNpZmljLCBpZiAybmQgcGF0Y2ggaXMgdG8gZW5hYmxlIHRoaXMgb3B0 aW1pemF0aW9uIGZvciBEUCwgdGhlIGFib3ZlIGNoYW5nZSB3aWxsIGJlbG9uZyBoZXJlIGFzIHdl bGwuIGVEUCBuZXZlciBoYXMgSFBEIGVuYWJsZWQgc28gaXQgd2lsbCBuZXZlciBiZSBoaXQgZm9y IGVEUCBvbmx5IHNjZW5hcmlvLgoKLS0gCnJlZ2FyZHMsClNpdmFrdW1hcgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK