From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915/dp: Fix the t11_t12 delay for non GEN 9 LP platforms at HW readout and HW write Date: Wed, 21 Jun 2017 23:03:58 +0300 Message-ID: <20170621200358.GZ12629@intel.com> References: <1498073863-26343-1-git-send-email-manasi.d.navare@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 6733A89F53 for ; Wed, 21 Jun 2017 20:04:02 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1498073863-26343-1-git-send-email-manasi.d.navare@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Manasi Navare Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBKdW4gMjEsIDIwMTcgYXQgMTI6Mzc6NDNQTSAtMDcwMCwgTWFuYXNpIE5hdmFyZSB3 cm90ZToKPiBBY2NvcmRpbmcgdG8gdGhlIGVEUCBzcGVjIHRoZSBtaW5pbXVtIHZhbHVlIGZvciBw YW5lbCBwb3dlciBjeWNsZSBkZWxheQo+ICh0MTFfdDEyKSBpcyA1MDBtcyBhbmQgYXMgcGVyIHRo ZSBCc3BlYywgUFBfRElWSVNPUiBwYW5lbCBwb3dlciBjeWNsZQo+IGRlbGF5IGZpZWxkIHNob3Vs ZCBiZSBwcm9ncmFtbWVkIHRvICIrMSIgdmFsdWUuIEVnOiBUbyBoYXZlIGEgZGVsYXkKPiBvZiA1 MDBtcyB0aGlzIHNob3VsZCBiZSBwcm9ncmFtbWVkIHRvIDYuIFRoaXMgcGF0Y2ggZml4ZXMgdGhl IHdyaXRlCj4gYnkgYWRkaW5nICsxIHRvIHRoZSBwcF9kaXYgdmFsdWUgc28gaXQgcHJvZ3JhbXMg dGhlIGNvcnJlY3QgbWluCj4gcmVxdWlyZWQgcGFuZWwgcG93ZXIgY3ljbGUgZGVsYXkuCj4gU2lu Y2Ugd2UgcHJvZ3JhbSBpdCB0byArMSB2YWx1ZSwgd2hlbiB3ZSBwZXJmb3JtIEhXIHJlYWRvdXQs IHRoaXMKPiB2YWx1ZSBzaG91bGQgc3VidHJhY3QgMSBiZWZvcmUgdmVyaWZ5aW5nIHBwcyBzdGF0 ZS4gVGhpcyBwYXRjaCBtYWtlcwo+IHRoaXMgY29ycmVjdGlvbiBhcyB3ZWxsIHRvIGF2b2lkICJQ UFMgc3RhdGUgbWlzbWF0Y2giIGVycm9yLgo+IFRoaXMgcGF0Y2ggYWxzbyBhZGRzIGEgY2FzZSB3 aGVyZSBpZiB0aGUgcmVhZG91dCBpcyAwIGZvciB0aGUgZmlyc3QgcmVhZG91dCwKPiB0aGVuIHJl YWQgaXQgYXMgMCwgZG9udCBzdWJ0cmFjdC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBNYW5hc2kgTmF2 YXJlIDxtYW5hc2kuZC5uYXZhcmVAaW50ZWwuY29tPgo+IENjOiBWaWxsZSBTeXJqYWxhIDx2aWxs ZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogQ2xpbnQgVGF5bG9yIDxDbGludG9uLkEu VGF5bG9yQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAu YyB8IDIyICsrKysrKysrKysrLS0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDExIGluc2Vy dGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+IGlu ZGV4IGJjYTRhYzEuLjA4OWUzNzMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiBAQCAt NTE0OSw2ICs1MTQ5LDcgQEAgaW50ZWxfcHBzX3JlYWRvdXRfaHdfc3RhdGUoc3RydWN0IGRybV9p OTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ICAJCQkgICBzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2Rw LCBzdHJ1Y3QgZWRwX3Bvd2VyX3NlcSAqc2VxKQo+ICB7Cj4gIAl1MzIgcHBfb24sIHBwX29mZiwg cHBfZGl2ID0gMCwgcHBfY3RsID0gMDsKPiArCXUxNiBwcF9jeWNsZV9kZWxheSA9IDA7Cj4gIAlz dHJ1Y3QgcHBzX3JlZ2lzdGVycyByZWdzOwo+ICAKPiAgCWludGVsX3Bwc19nZXRfcmVnaXN0ZXJz KGRldl9wcml2LCBpbnRlbF9kcCwgJnJlZ3MpOwo+IEBAIC01MTc3LDE3ICs1MTc4LDE2IEBAIGlu dGVsX3Bwc19yZWFkb3V0X2h3X3N0YXRlKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJp diwKPiAgCXNlcS0+dDEwID0gKHBwX29mZiAmIFBBTkVMX1BPV0VSX0RPV05fREVMQVlfTUFTSykg Pj4KPiAgCQkgICBQQU5FTF9QT1dFUl9ET1dOX0RFTEFZX1NISUZUOwo+ICAKPiAtCWlmIChJU19H RU45X0xQKGRldl9wcml2KSB8fCBIQVNfUENIX0NOUChkZXZfcHJpdikpIHsKPiAtCQl1MTYgdG1w ID0gKHBwX2N0bCAmIEJYVF9QT1dFUl9DWUNMRV9ERUxBWV9NQVNLKSA+Pgo+ICsJaWYgKElTX0dF TjlfTFAoZGV2X3ByaXYpIHx8IEhBU19QQ0hfQ05QKGRldl9wcml2KSkKPiArCQlwcF9jeWNsZV9k ZWxheSA9ICAocHBfY3RsICYgQlhUX1BPV0VSX0NZQ0xFX0RFTEFZX01BU0spID4+Cj4gIAkJCUJY VF9QT1dFUl9DWUNMRV9ERUxBWV9TSElGVDsKPiAtCQlpZiAodG1wID4gMCkKPiAtCQkJc2VxLT50 MTFfdDEyID0gKHRtcCAtIDEpICogMTAwMDsKPiAtCQllbHNlCj4gLQkJCXNlcS0+dDExX3QxMiA9 IDA7Cj4gLQl9IGVsc2Ugewo+IC0JCXNlcS0+dDExX3QxMiA9ICgocHBfZGl2ICYgUEFORUxfUE9X RVJfQ1lDTEVfREVMQVlfTUFTSykgPj4KPiAtCQkgICAgICAgUEFORUxfUE9XRVJfQ1lDTEVfREVM QVlfU0hJRlQpICogMTAwMDsKPiAtCX0KPiArCWVsc2UKPiArCQlwcF9jeWNsZV9kZWxheSA9IChw cF9kaXYgJiBQQU5FTF9QT1dFUl9DWUNMRV9ERUxBWV9NQVNLKSA+Pgo+ICsJCQlQQU5FTF9QT1dF Ul9DWUNMRV9ERUxBWV9TSElGVDsKPiArCWlmIChwcF9jeWNsZV9kZWxheSA+IDApCj4gKwkJc2Vx LT50MTFfdDEyID0gKHBwX2N5Y2xlX2RlbGF5IC0gMSkgKiAxMDAwOwo+ICsJZWxzZQo+ICsJCXNl cS0+dDExX3QxMiA9IDA7CgpJIHRoaW5rIGl0J3MgcHJvYmFibHkgZWFzaWVyIHRvIGdvIHRoZSBv dGhlciB3YXkgYW5kIGp1c3QgYWRkIHRoZSArMTAwCm1zZWMgdG8gdGhlIHZidCBkZWxheSwgYW5k IG51a2UgdGhlIEJYVC9DTlAgc3BlY2lhbCBjYXNpbmcgaW4gdGhlIGNvZGUuCgo+ICB9Cj4gIAo+ ICBzdGF0aWMgdm9pZAo+IEBAIC01MzQxLDcgKzUzNDEsNyBAQCBpbnRlbF9kcF9pbml0X3BhbmVs X3Bvd2VyX3NlcXVlbmNlcl9yZWdpc3RlcnMoc3RydWN0IGRybV9kZXZpY2UgKmRldiwKPiAgCQkJ CTw8IEJYVF9QT1dFUl9DWUNMRV9ERUxBWV9TSElGVCk7Cj4gIAl9IGVsc2Ugewo+ICAJCXBwX2Rp diA9ICgoMTAwICogZGl2KS8yIC0gMSkgPDwgUFBfUkVGRVJFTkNFX0RJVklERVJfU0hJRlQ7Cj4g LQkJcHBfZGl2IHw9IChESVZfUk9VTkRfVVAoc2VxLT50MTFfdDEyLCAxMDAwKQo+ICsJCXBwX2Rp diB8PSAoRElWX1JPVU5EX1VQKHNlcS0+dDExX3QxMiArIDEsIDEwMDApCj4gIAkJCQk8PCBQQU5F TF9QT1dFUl9DWUNMRV9ERUxBWV9TSElGVCk7Cj4gIAl9Cj4gIAo+IC0tIAo+IDIuMS40CgotLSAK VmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK