From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com ([192.55.52.88]:54036 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756852AbdLVVGa (ORCPT ); Fri, 22 Dec 2017 16:06:30 -0500 From: "De Marchi, Lucas" To: "ville.syrjala@linux.intel.com" CC: "intel-gfx@lists.freedesktop.org" , "Runyan, Arthur J" , "Vivi, Rodrigo" , "stable@vger.kernel.org" Subject: Re: [PATCH v4] drm/i915: Apply Display WA #1183 on skl, kbl, and cfl Date: Fri, 22 Dec 2017 21:06:28 +0000 Message-ID: <1513976787.7303.3.camel@intel.com> References: <20171204232210.4958-1-lucas.demarchi@intel.com> <20171222195848.GS10981@intel.com> In-Reply-To: <20171222195848.GS10981@intel.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <9FFD3ABBB647184CBED878869B549FEC@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org List-ID: T24gRnJpLCAyMDE3LTEyLTIyIGF0IDIxOjU4ICswMjAwLCBWaWxsZSBTeXJqw6Rsw6Qgd3JvdGU6 DQo+IE9uIE1vbiwgRGVjIDA0LCAyMDE3IGF0IDAzOjIyOjEwUE0gLTA4MDAsIEx1Y2FzIERlIE1h cmNoaSB3cm90ZToNCj4gPiBEaXNwbGF5IFdBICMxMTgzIHdhcyByZWNlbnRseSBhZGRlZCB0byB3 b3JrYXJvdW5kDQo+ID4gIkZhaWx1cmVzIHdoZW4gZW5hYmxpbmcgRFBMTDAgd2l0aCBlRFAgbGlu ayByYXRlIDIuMTYNCj4gPiBvciA0LjMyIEdIeiBhbmQgQ0QgY2xvY2sgZnJlcXVlbmN5IDMwOC41 NyBvciA2MTcuMTQgTUh6DQo+ID4gKENEQ0xLX0NUTCBDRCBGcmVxdWVuY3kgU2VsZWN0IDEwYiBv ciAxMWIpIHVzZWQgaW4gdGhpcw0KPiA+ICBlbmFibGluZyBvciBpbiBwcmV2aW91cyBlbmFibGlu Zy4iDQo+ID4gDQo+ID4gVGhpcyB3b3JrYXJvdW5kIHdhcyBkZXNpZ25lZCB0byBtaW5pbWl6ZSB0 aGUgaW1wYWN0IG9ubHkNCj4gPiB0byBzYXZlIHRoZSBiYWQgY2FzZSB3aXRoIHRoYXQgbGluayBy YXRlcy4gQnV0IEhXIGVuZ2luZWVycw0KPiA+IGluZGljYXRlZCB0aGF0IGl0IHNob3VsZCBiZSBz YWZlIHRvIGFwcGx5IGJyb2FkbHksIGFsdGhvdWdoDQo+ID4gdGhleSB3ZXJlIGV4cGVjdGluZyB0 aGUgRFBMTDAgbGluayByYXRlIHRvIGJlIHVuY2hhbmdlZCBvbg0KPiA+IHJ1bnRpbWUuDQo+ID4g DQo+ID4gV2UgbmVlZCB0byBjb3ZlciAyIGNhc2VzOiB3aGVuIHdlIGFyZSBpbiBmYWN0IGVuYWJs aW5nIERQTEwwDQo+ID4gYW5kIHdoZW4gd2UgYXJlIGp1c3QgY2hhbmdpbmcgdGhlIGZyZXF1ZW5j eSB3aXRoIHNtYWxsDQo+ID4gZGlmZmVyZW5jZXMuDQo+ID4gDQo+ID4gVGhpcyBpcyBiYXNlZCBv biBwcmV2aW91cyBwYXRjaCBieSBSb2RyaWdvIFZpdmkgd2l0aCBzdWdnZXN0aW9ucw0KPiA+IGZy b20gVmlsbGUgU3lyasOkbMOkLg0KPiA+IA0KPiA+IENjOiBBcnRodXIgSiBSdW55YW4gPGFydGh1 ci5qLnJ1bnlhbkBpbnRlbC5jb20+DQo+ID4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3ly amFsYUBsaW51eC5pbnRlbC5jb20+DQo+ID4gQ2M6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZp QGludGVsLmNvbT4NCj4gPiBDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZw0KPiA+IFNpZ25lZC1v ZmYtYnk6IEx1Y2FzIERlIE1hcmNoaSA8bHVjYXMuZGVtYXJjaGlAaW50ZWwuY29tPg0KPiANCj4g SG1tLiBUaGlzIGlzIHY0LCBidXQgaXQgd2FzIHBvc3RlZCBhZnRlciB2NT8NCj4gDQo+IFlvdSBk aWRuJ3QgaW5jbHVkZSBhIGNoYW5nZWxvZyBpbiB0aGUgY29tbWl0IG1lc3NhZ2Ugc28gSSBoYXZl IG5vIGlkZWENCj4gd2hhdCBpcyB0aGUgZGlmZmVyZW5jZSBiZXR3ZWVuIHRoZXNlIHZlcnNpb25z LiBUaGV5IGFwcGVhciBzaW1pbGFyIG9uIGENCj4gZmlyc3QgZ2xhbmNlLg0KDQpTb3JyeSBhYm91 dCB0aGUgY29uZnVzaW9uLiBXaGF0IGhhcHBlbmVkIGlzIHRoYXQgZmlyc3QgSSB3YXMgdXNpbmcg dGhlIHZlcnNpb24NCm51bWJlciBhY2NvdW50aW5nIGZvciB0aGUgaW5pdGlhbCB2ZXJzaW9uIFJv ZHJpZ28gc2VudC4gSG93ZXZlciwgbGF0ZXIgSSBlbmRlZA0KdXAgdXNpbmcgdGhlIHZlcnNpb24g ZnJvbSBwYXRjaHdvcmssIHdoaWNoIGRvbid0IHRha2UgUm9kcmlnbydzIGluaXRpYWwNCnZlcnNp b24gaW50byBhY2NvdW50LCBldmVuIGlmIHRoZSBzdWJqZWN0IGlzIHRoZSBzYW1lLg0KDQpUaGUg ZGlmZiBpcyBvbmx5IHRoZSBDQyB0byBzdGFibGUgd2l0aCBhZGRpdGlvbmFsIGNvbW1pdHMgdG8g Y2hlcnJ5LXBpY2sgb24NCnN0YWJsZSB2ZXJzaW9ucyBhcyByZXF1ZXN0ZWQgYnkgSmFuaS4NCg0K THVjYXMgRGUgTWFyY2hpDQoNCj4gVGhlIGNoYW5nZXMgaGVyZSAqbG9vayogY29ycmVjdCB0byBt ZSwgc28NCj4gUmV2aWV3ZWQtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51 eC5pbnRlbC5jb20+DQo+IA0KPiBCdXQgSSdtIG5vdCBnb2luZyB0byBwdXNoIHRoaXMgcmlnaHQg bm93IGJlY2F1c2UgSSdtIHRvbyBjb25mdXNlZCBhYm91dA0KPiB0aGUgdmVyc2lvbiBvZiB0aGUg cGF0Y2guIEknbGwgYmUgb3V0IGZvciBhIGZldyB3ZWVrcyBzbyBpZiB0aGUNCj4gY29uZnVzaW9u IGlzIGxpZnRlZCBkdXJpbmcgdGhhdCB0aW1lIGFuZCB5b3Ugd2FudCB0aGlzIGluIHBsZWFzZSBw b2tlDQo+IGF0IHNvbWVvbmUgZWxzZSB0byBwdXNoIGl0Lg0KPiANCj4gPiAtLS0NCj4gPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaCAgICAgICAgIHwgIDIgKysNCj4gPiAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYyAgICAgIHwgMzUgKysrKysrKysrKysrKysrKysr KysrKysrLS0NCj4gPiAtLS0tLS0tDQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3J1 bnRpbWVfcG0uYyB8IDEwICsrKysrKysrKysNCj4gPiAgMyBmaWxlcyBjaGFuZ2VkLCAzOCBpbnNl cnRpb25zKCspLCA5IGRlbGV0aW9ucygtKQ0KPiA+IA0KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oDQo+ID4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3JlZy5oDQo+ID4gaW5kZXggMDliZjA0M2MxYzJlLi43MzMzNWU3MDllZDYgMTAwNjQ0DQo+ID4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaA0KPiA+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfcmVnLmgNCj4gPiBAQCAtNzAyMSw2ICs3MDIxLDcgQEAgZW51bSB7 DQo+ID4gICNkZWZpbmUgIFJFU0VUX1BDSF9IQU5EU0hBS0VfRU5BQkxFCSgxPDw0KQ0KPiA+ICAN Cj4gPiAgI2RlZmluZSBHRU44X0NISUNLRU5fRENQUl8xCQlfTU1JTygweDQ2NDMwKQ0KPiA+ICsj ZGVmaW5lICAgU0tMX1NFTEVDVF9BTFRFUk5BVEVfRENfRVhJVAkoMTw8MzApDQo+ID4gICNkZWZp bmUgICBNQVNLX1dBS0VNRU0JCQkoMTw8MTMpDQo+ID4gIA0KPiA+ICAjZGVmaW5lIFNLTF9ERlNN CQkJX01NSU8oMHg1MTAwMCkNCj4gPiBAQCAtODU3NSw2ICs4NTc2LDcgQEAgZW51bSBza2xfcG93 ZXJfZ2F0ZSB7DQo+ID4gICNkZWZpbmUgIEJYVF9DRENMS19DRDJYX0RJVl9TRUxfMgkoMjw8MjIp DQo+ID4gICNkZWZpbmUgIEJYVF9DRENMS19DRDJYX0RJVl9TRUxfNAkoMzw8MjIpDQo+ID4gICNk ZWZpbmUgIEJYVF9DRENMS19DRDJYX1BJUEUocGlwZSkJKChwaXBlKTw8MjApDQo+ID4gKyNkZWZp bmUgIENEQ0xLX0RJVk1VWF9DRF9PVkVSUklERQkoMTw8MTkpDQo+ID4gICNkZWZpbmUgIEJYVF9D RENMS19DRDJYX1BJUEVfTk9ORQlCWFRfQ0RDTEtfQ0QyWF9QSVBFKDMpDQo+ID4gICNkZWZpbmUg IEJYVF9DRENMS19TU0FfUFJFQ0hBUkdFX0VOQUJMRQkoMTw8MTYpDQo+ID4gICNkZWZpbmUgIENE Q0xLX0ZSRVFfREVDSU1BTF9NQVNLCSgweDdmZikNCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfY2RjbGsuYw0KPiA+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfY2RjbGsuYw0KPiA+IGluZGV4IDljNWNlYjk4ZDQ4Zi4uZDc3ZTJiZWMxZTI5IDEwMDY0NA0K PiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2NkY2xrLmMNCj4gPiArKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9jZGNsay5jDQo+ID4gQEAgLTkzMSwxNiArOTMxLDEw IEBAIHN0YXRpYyB2b2lkIHNrbF9zZXRfcHJlZmVycmVkX2NkY2xrX3ZjbyhzdHJ1Y3QNCj4gPiBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwNCj4gPiAgDQo+ID4gIHN0YXRpYyB2b2lkIHNrbF9k cGxsMF9lbmFibGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LCBpbnQgdmNvKQ0K PiA+ICB7DQo+ID4gLQlpbnQgbWluX2NkY2xrID0gc2tsX2NhbGNfY2RjbGsoMCwgdmNvKTsNCj4g PiAgCXUzMiB2YWw7DQo+ID4gIA0KPiA+ICAJV0FSTl9PTih2Y28gIT0gODEwMDAwMCAmJiB2Y28g IT0gODY0MDAwMCk7DQo+ID4gIA0KPiA+IC0JLyogc2VsZWN0IHRoZSBtaW5pbXVtIENEQ0xLIGJl Zm9yZSBlbmFibGluZyBEUExMIDAgKi8NCj4gPiAtCXZhbCA9IENEQ0xLX0ZSRVFfMzM3XzMwOCB8 IHNrbF9jZGNsa19kZWNpbWFsKG1pbl9jZGNsayk7DQo+ID4gLQlJOTE1X1dSSVRFKENEQ0xLX0NU TCwgdmFsKTsNCj4gPiAtCVBPU1RJTkdfUkVBRChDRENMS19DVEwpOw0KPiA+IC0NCj4gPiAgCS8q DQo+ID4gIAkgKiBXZSBhbHdheXMgZW5hYmxlIERQTEwwIHdpdGggdGhlIGxvd2VzdCBsaW5rIHJh dGUgcG9zc2libGUsIGJ1dA0KPiA+IHN0aWxsDQo+ID4gIAkgKiB0YWtpbmcgaW50byBhY2NvdW50 IHRoZSBWQ08gcmVxdWlyZWQgdG8gb3BlcmF0ZSB0aGUgZURQIHBhbmVsDQo+ID4gYXQgdGhlDQo+ ID4gQEAgLTk5NCw3ICs5ODgsNyBAQCBzdGF0aWMgdm9pZCBza2xfc2V0X2NkY2xrKHN0cnVjdCBk cm1faTkxNV9wcml2YXRlDQo+ID4gKmRldl9wcml2LA0KPiA+ICB7DQo+ID4gIAlpbnQgY2RjbGsg PSBjZGNsa19zdGF0ZS0+Y2RjbGs7DQo+ID4gIAlpbnQgdmNvID0gY2RjbGtfc3RhdGUtPnZjbzsN Cj4gPiAtCXUzMiBmcmVxX3NlbGVjdDsNCj4gPiArCXUzMiBmcmVxX3NlbGVjdCwgY2RjbGtfY3Rs Ow0KPiA+ICAJaW50IHJldDsNCj4gPiAgDQo+ID4gIAltdXRleF9sb2NrKCZkZXZfcHJpdi0+cGN1 X2xvY2spOw0KPiA+IEBAIC0xMDA5LDcgKzEwMDMsNyBAQCBzdGF0aWMgdm9pZCBza2xfc2V0X2Nk Y2xrKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlDQo+ID4gKmRldl9wcml2LA0KPiA+ICAJCXJldHVy bjsNCj4gPiAgCX0NCj4gPiAgDQo+ID4gLQkvKiBzZXQgQ0RDTEtfQ1RMICovDQo+ID4gKwkvKiBD aG9vc2UgZnJlcXVlbmN5IGZvciB0aGlzIGNkY2xrICovDQo+ID4gIAlzd2l0Y2ggKGNkY2xrKSB7 DQo+ID4gIAlkZWZhdWx0Og0KPiA+ICAJCVdBUk5fT04oY2RjbGsgIT0gZGV2X3ByaXYtPmNkY2xr Lmh3LnJlZik7DQo+ID4gQEAgLTEwMzYsMTAgKzEwMzAsMzMgQEAgc3RhdGljIHZvaWQgc2tsX3Nl dF9jZGNsayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZQ0KPiA+ICpkZXZfcHJpdiwNCj4gPiAgCSAg ICBkZXZfcHJpdi0+Y2RjbGsuaHcudmNvICE9IHZjbykNCj4gPiAgCQlza2xfZHBsbDBfZGlzYWJs ZShkZXZfcHJpdik7DQo+ID4gIA0KPiA+ICsJY2RjbGtfY3RsID0gSTkxNV9SRUFEKENEQ0xLX0NU TCk7DQo+ID4gKw0KPiA+ICsJaWYgKGRldl9wcml2LT5jZGNsay5ody52Y28gIT0gdmNvKSB7DQo+ ID4gKwkJLyogV2EgRGlzcGxheSAjMTE4Mzogc2tsLGtibCxjZmwgKi8NCj4gPiArCQljZGNsa19j dGwgJj0gfihDRENMS19GUkVRX1NFTF9NQVNLIHwNCj4gPiBDRENMS19GUkVRX0RFQ0lNQUxfTUFT Syk7DQo+ID4gKwkJY2RjbGtfY3RsIHw9IGZyZXFfc2VsZWN0IHwgc2tsX2NkY2xrX2RlY2ltYWwo Y2RjbGspOw0KPiA+ICsJCUk5MTVfV1JJVEUoQ0RDTEtfQ1RMLCBjZGNsa19jdGwpOw0KPiA+ICsJ fQ0KPiA+ICsNCj4gPiArCS8qIFdhIERpc3BsYXkgIzExODM6IHNrbCxrYmwsY2ZsICovDQo+ID4g KwljZGNsa19jdGwgfD0gQ0RDTEtfRElWTVVYX0NEX09WRVJSSURFOw0KPiA+ICsJSTkxNV9XUklU RShDRENMS19DVEwsIGNkY2xrX2N0bCk7DQo+ID4gKwlQT1NUSU5HX1JFQUQoQ0RDTEtfQ1RMKTsN Cj4gPiArDQo+ID4gIAlpZiAoZGV2X3ByaXYtPmNkY2xrLmh3LnZjbyAhPSB2Y28pDQo+ID4gIAkJ c2tsX2RwbGwwX2VuYWJsZShkZXZfcHJpdiwgdmNvKTsNCj4gPiAgDQo+ID4gLQlJOTE1X1dSSVRF KENEQ0xLX0NUTCwgZnJlcV9zZWxlY3QgfCBza2xfY2RjbGtfZGVjaW1hbChjZGNsaykpOw0KPiA+ ICsJLyogV2EgRGlzcGxheSAjMTE4Mzogc2tsLGtibCxjZmwgKi8NCj4gPiArCWNkY2xrX2N0bCAm PSB+KENEQ0xLX0ZSRVFfU0VMX01BU0sgfCBDRENMS19GUkVRX0RFQ0lNQUxfTUFTSyk7DQo+ID4g KwlJOTE1X1dSSVRFKENEQ0xLX0NUTCwgY2RjbGtfY3RsKTsNCj4gPiArDQo+ID4gKwljZGNsa19j dGwgfD0gZnJlcV9zZWxlY3QgfCBza2xfY2RjbGtfZGVjaW1hbChjZGNsayk7DQo+ID4gKwlJOTE1 X1dSSVRFKENEQ0xLX0NUTCwgY2RjbGtfY3RsKTsNCj4gPiArDQo+ID4gKwkvKiBXYSBEaXNwbGF5 ICMxMTgzOiBza2wsa2JsLGNmbCAqLw0KPiA+ICsJY2RjbGtfY3RsICY9IH5DRENMS19ESVZNVVhf Q0RfT1ZFUlJJREU7DQo+ID4gKwlJOTE1X1dSSVRFKENEQ0xLX0NUTCwgY2RjbGtfY3RsKTsNCj4g PiAgCVBPU1RJTkdfUkVBRChDRENMS19DVEwpOw0KPiA+ICANCj4gPiAgCS8qIGluZm9ybSBQQ1Ug b2YgdGhlIGNoYW5nZSAqLw0KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9ydW50aW1lX3BtLmMNCj4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3J1bnRp bWVfcG0uYw0KPiA+IGluZGV4IDgzMTU0OTk0NTJkYy4uMzU3OTZmYThlNmI0IDEwMDY0NA0KPiA+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3J1bnRpbWVfcG0uYw0KPiA+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3J1bnRpbWVfcG0uYw0KPiA+IEBAIC01OTgsNiAr NTk4LDExIEBAIHZvaWQgZ2VuOV9lbmFibGVfZGM1KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlDQo+ ID4gKmRldl9wcml2KQ0KPiA+ICANCj4gPiAgCURSTV9ERUJVR19LTVMoIkVuYWJsaW5nIERDNVxu Iik7DQo+ID4gIA0KPiA+ICsJLyogV2EgRGlzcGxheSAjMTE4Mzogc2tsLGtibCxjZmwgKi8NCj4g PiArCWlmIChJU19HRU45X0JDKGRldl9wcml2KSkNCj4gPiArCQlJOTE1X1dSSVRFKEdFTjhfQ0hJ Q0tFTl9EQ1BSXzEsDQo+ID4gSTkxNV9SRUFEKEdFTjhfQ0hJQ0tFTl9EQ1BSXzEpIHwNCj4gPiAr CQkJICAgU0tMX1NFTEVDVF9BTFRFUk5BVEVfRENfRVhJVCk7DQo+ID4gKw0KPiA+ICAJZ2VuOV9z ZXRfZGNfc3RhdGUoZGV2X3ByaXYsIERDX1NUQVRFX0VOX1VQVE9fREM1KTsNCj4gPiAgfQ0KPiA+ ICANCj4gPiBAQCAtNjI1LDYgKzYzMCwxMSBAQCB2b2lkIHNrbF9kaXNhYmxlX2RjNihzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZQ0KPiA+ICpkZXZfcHJpdikNCj4gPiAgew0KPiA+ICAJRFJNX0RFQlVH X0tNUygiRGlzYWJsaW5nIERDNlxuIik7DQo+ID4gIA0KPiA+ICsJLyogV2EgRGlzcGxheSAjMTE4 Mzogc2tsLGtibCxjZmwgKi8NCj4gPiArCWlmIChJU19HRU45X0JDKGRldl9wcml2KSkNCj4gPiAr CQlJOTE1X1dSSVRFKEdFTjhfQ0hJQ0tFTl9EQ1BSXzEsDQo+ID4gSTkxNV9SRUFEKEdFTjhfQ0hJ Q0tFTl9EQ1BSXzEpIHwNCj4gPiArCQkJICAgU0tMX1NFTEVDVF9BTFRFUk5BVEVfRENfRVhJVCk7 DQo+ID4gKw0KPiA+ICAJZ2VuOV9zZXRfZGNfc3RhdGUoZGV2X3ByaXYsIERDX1NUQVRFX0RJU0FC TEUpOw0KPiA+ICB9DQo+ID4gIA0KPiA+IC0tIA0KPiA+IDIuMTQuMw0KPiANCj4g