From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sivakumar Thulasimani Subject: Re: [PATCH] drm/i915: Improve DP downstream HPD handling Date: Tue, 07 Jul 2015 15:26:36 +0530 Message-ID: <559BA254.3060207@intel.com> References: <1436184768-18920-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E5DB6E24A for ; Tue, 7 Jul 2015 02:57:59 -0700 (PDT) In-Reply-To: <1436184768-18920-1-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 CgpPbiA3LzYvMjAxNSA1OjQyIFBNLCB2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbSB3cm90 ZToKPiBGcm9tOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29t Pgo+Cj4gRFAgZG9uZ2xlcyBtYXkgc2lnbmFsIGRvd25zdHJlYW0gSFBEIHZpYSBzaG9ydCBIUEQg cHVsc2VzLiBJZiB3ZSBrbm93Cj4gdGhlIGRldmljZSBoYXMgYSBIUEQgY2FwYWJsZSBkb3duc3Ry ZWFtIHBvcnQsIG1ha2Ugc3VyZSB3ZSBraWNrIG9mZiB0aGUKPiBmdWxsIGhvdHBsdWcgcHJvY2Vz c2luZyBldmVuIGZvciBzaG9ydCBIUERzLgo+Cj4gQWRkaXRvbmFsbHkgc2V0dGluZyB0aGUgc2lu ayB0byBEUE1TIG9mZiBraWxscyB0aGUgZG93bnN0cmVhbSBIUEQgKGF0Cj4gbGVhc3Qgb24gbXkg RFAtPlZHQSBkb25nbGUpLCBzbyBza2lwIHRoZSBEUE1TIG9mZiBmb3Igc3VjaCBkb25nbGVzCj4g d2hlbiB3ZSB0dXJuIG9mZiB0aGUgcG9ydC4KPgo+IFNpZ25lZC1vZmYtYnk6IFZpbGxlIFN5cmrD pGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gLS0tCj4gICBkcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgMTggKysrKysrKysrKysrKysrKystCj4gICAxIGZpbGUg Y2hhbmdlZCwgMTcgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+Cj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kcC5jCj4gaW5kZXggZTg4Y2VjMi4uZjQyNDgzMyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYwo+IEBAIC0yMzI0LDYgKzIzMjQsMTMgQEAgc3RhdGljIHZvaWQgaW50ZWxfZHBfZ2V0 X2NvbmZpZyhzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwKPiAgIAl9Cj4gICB9Cj4gICAK PiArc3RhdGljIGJvb2wgaW50ZWxfZHBfaGFzX2Rvd25zdHJlYW1faHBkKHN0cnVjdCBpbnRlbF9k cCAqaW50ZWxfZHApCj4gK3sKPiArCXJldHVybiBpbnRlbF9kcC0+ZHBjZFtEUF9ET1dOU1RSRUFN UE9SVF9QUkVTRU5UXSAmIERQX0RXTl9TVFJNX1BPUlRfUFJFU0VOVCAmJgo+ICsJCWludGVsX2Rw LT5kcGNkW0RQX0RQQ0RfUkVWXSA+PSAweDExICYmCj4gKwkJaW50ZWxfZHAtPmRvd25zdHJlYW1f cG9ydHNbMF0gJiBEUF9EU19QT1JUX0hQRDsKPiArfQo+ICsKPiAgIHN0YXRpYyB2b2lkIGludGVs X2Rpc2FibGVfZHAoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIpCj4gICB7Cj4gICAJc3Ry dWN0IGludGVsX2RwICppbnRlbF9kcCA9IGVuY190b19pbnRlbF9kcCgmZW5jb2Rlci0+YmFzZSk7 Cj4gQEAgLTIzNDAsNyArMjM0Nyw5IEBAIHN0YXRpYyB2b2lkIGludGVsX2Rpc2FibGVfZHAoc3Ry dWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIpCj4gICAJICogZW5zdXJlIHRoYXQgd2UgaGF2ZSB2 ZGQgd2hpbGUgd2Ugc3dpdGNoIG9mZiB0aGUgcGFuZWwuICovCj4gICAJaW50ZWxfZWRwX3BhbmVs X3ZkZF9vbihpbnRlbF9kcCk7Cj4gICAJaW50ZWxfZWRwX2JhY2tsaWdodF9vZmYoaW50ZWxfZHAp Owo+IC0JaW50ZWxfZHBfc2lua19kcG1zKGludGVsX2RwLCBEUk1fTU9ERV9EUE1TX09GRik7Cj4g KwkvKiBTa2lwIHBvd2VyIGRvd24gdG8ga2VlcCBkb3duc3RyZWFtIEhQRCB3b3JraW5nICovCj4g KwlpZiAoIWludGVsX2RwX2hhc19kb3duc3RyZWFtX2hwZChpbnRlbF9kcCkpCj4gKwkJaW50ZWxf ZHBfc2lua19kcG1zKGludGVsX2RwLCBEUk1fTU9ERV9EUE1TX09GRik7Cj4gICAJaW50ZWxfZWRw X3BhbmVsX29mZihpbnRlbF9kcCk7Cj4gICAKPiAgIAkvKiBkaXNhYmxlIHRoZSBwb3J0IGJlZm9y ZSB0aGUgcGlwZSBvbiBnNHggKi8KPiBAQCAtNDk0NCw2ICs0OTUzLDEzIEBAIGludGVsX2RwX2hw ZF9wdWxzZShzdHJ1Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICppbnRlbF9kaWdfcG9ydCwgYm9vbCBs b25nX2hwZCkKPiAgIAkJCWRybV9tb2Rlc2V0X2xvY2soJmRldi0+bW9kZV9jb25maWcuY29ubmVj dGlvbl9tdXRleCwgTlVMTCk7Cj4gICAJCQlpbnRlbF9kcF9jaGVja19saW5rX3N0YXR1cyhpbnRl bF9kcCk7Cj4gICAJCQlkcm1fbW9kZXNldF91bmxvY2soJmRldi0+bW9kZV9jb25maWcuY29ubmVj dGlvbl9tdXRleCk7Cj4gKwo+ICsJCQkvKgo+ICsJCQkgKiBEb3duc3RyZWFtIEhQRCB3aWxsIGdl bmVyYXRlIGEgc2hvcnQgSFBELAo+ICsJCQkgKiBzbyB3ZSB3YW50IGZ1bGwgaG90cGx1ZyBwcm9j ZXNzaW5nIGhlcmUuCj4gKwkJCSAqLwo+ICsJCQlpZiAoaW50ZWxfZHBfaGFzX2Rvd25zdHJlYW1f aHBkKGludGVsX2RwKSkKPiArCQkJCWdvdG8gcHV0X3Bvd2VyOwo+ICAgCQl9Cj4gICAJfQo+ICAg CkkgYW0gbG9va2luZyBpbnRvIGNvbXBsaWFuY2UgY2hhbmdlcyBmb3IgRFAgYW5kIHRoaXMgc2Vl bXMgYSByZWxldmFudCAKY2hhbmdlIGZvciBjb21wbGlhbmNlIGFzIHdlbGwuIGJ1dCBhcyBwZXIg TGluayBDVFMgMS4yIHNlY3Rpb24gNC4yLjIuOCwgCndlIGFyZSBzdXBwb3NlZCB0byByZWFkIHRo ZSBzaW5rX2NvdW50IGFuZCBkbyBmdWxsIGRldGVjdGlvbiBpZiAKc2lua19jb3VudCBpcyA+MS4g IFNvIGluc3RlYWQgb2YgY2hlY2tpbmcgZm9yIERQX0RTX1BPUlRfSFBEIGNhbiB3ZSBqdXN0IApj aGVjayBTSU5LX0NPVU5UIGFuZCBkbyBmdWxsIGRldGVjdCA/CgotLSAKcmVnYXJkcywKU2l2YWt1 bWFyCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=