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Tue, 8 Feb 2022 05:06:20 -0800 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Tue, 8 Feb 2022 05:06:20 -0800 Received: from orsmsx610.amr.corp.intel.com ([10.22.229.23]) by ORSMSX610.amr.corp.intel.com ([10.22.229.23]) with mapi id 15.01.2308.020; Tue, 8 Feb 2022 05:06:20 -0800 From: "Souza, Jose" To: "dri-devel@lists.freedesktop.org" , "lyude@redhat.com" , "intel-gfx@lists.freedesktop.org" CC: "airlied@linux.ie" , "ville.syrjala@linux.intel.com" , "Vivi, Rodrigo" , "joonas.lahtinen@linux.intel.com" , "Mun, Gwan-gyeong" , "Roper, Matthew D" , "tvrtko.ursulin@linux.intel.com" , "Kahola, Mika" , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "jani.nikula@linux.intel.com" , "daniel@ffwll.ch" , "Hogander, Jouni" , "De Marchi, Lucas" Subject: Re: [PATCH] drm/i915/psr: Disable PSR2 selective fetch for all TGL steps Thread-Topic: [PATCH] drm/i915/psr: Disable PSR2 selective fetch for all TGL steps Thread-Index: AQHYHGs84cCIUJlC2Ume2siiSl6AyKyKJykA Date: Tue, 8 Feb 2022 13:06:20 +0000 Message-ID: <47eed687da699a6abbfd7726439fd307786c9d93.camel@intel.com> References: <20220207213923.3605-1-lyude@redhat.com> In-Reply-To: <20220207213923.3605-1-lyude@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-ID: <648DFECD201D5E469AA52B10753BF2F5@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gTW9uLCAyMDIyLTAyLTA3IGF0IDE2OjM4IC0wNTAwLCBMeXVkZSBQYXVsIHdyb3RlOg0KPiBB cyB3ZSd2ZSB1bmZvcnR1bmF0ZWx5IHN0YXJ0ZWQgdG8gY29tZSB0byBleHBlY3QgZnJvbSBQU1Ig b24gSW50ZWwNCj4gcGxhdGZvcm1zLCBQU1IyIHNlbGVjdGl2ZSBmZXRjaCBpcyBub3QgYXQgYWxs IHJlYWR5IHRvIGJlIGVuYWJsZWQgb24NCj4gVGlnZXJsYWtlIGFzIGl0IHJlc3VsdHMgaW4gc2V2 ZXJlIGZsaWNrZXJpbmcgaXNzdWVzIC0gYXQgbGVhc3Qgb24gdGhpcw0KPiBUaGlua1BhZCBYMSBD YXJib24gOXRoIGdlbmVyYXRpb24uIFRoZSBlYXNpZXN0IHdheSBJJ3ZlIGZvdW5kIG9mDQo+IHJl cHJvZHVjaW5nIHRoZXNlIGlzc3VlcyBpcyB0byBqdXN0IG1vdmUgdGhlIGN1cnNvciBhcm91bmQg dGhlIGxlZnQgYm9yZGVyDQo+IG9mIHRoZSBzY3JlZW4gKHN1c3BpY2lvdXPigKYpLg0KDQpXaGVy ZSBpcyB0aGUgYnVnIGZvciB0aGF0PyBXaGVyZSBpcyB0aGUgbG9ncz8NCldlIGNhbid0IGdvIGZy b20gZW5hYmxlZCB0byBkaXNhYmxlZCB3aXRob3V0IGFueSBkZWJ1ZyBhbmQgYmVjYXVzZSBvZiBh IHNpbmdsZSBkZXZpY2UuDQpJbiB0aGUgbWVhbiB0aW1lIHlvdSBoYXZlIHRoZSBvcHRpb24gdG8g c2V0IHRoZSBpOTE1IHBhcmFtZXRlciB0byBkaXNhYmxlIGl0Lg0KDQo+IA0KPiBTbywgZml4IHBl b3BsZSdzIGRpc3BsYXlzIGFnYWluIGFuZCB0dXJuIFBTUjIgc2VsZWN0aXZlIGZldGNoIG9mZiBm b3IgYWxsDQo+IHN0ZXBwaW5ncyBvZiBUaWdlcmxha2UuIFRoaXMgY2FuIGJlIHJlLWVuYWJsZWQg YWdhaW4gaWYgc29tZW9uZSBmcm9tIEludGVsDQo+IGZpbmRzIHRoZSB0aW1lIHRvIGZpeCB0aGlz IGZ1bmN0aW9uYWxpdHkgb24gT0VNIG1hY2hpbmVzLg0KPiANCj4gU2lnbmVkLW9mZi1ieTogTHl1 ZGUgUGF1bCA8bHl1ZGVAcmVkaGF0LmNvbT4NCj4gRml4ZXM6IDdmNjAwMmU1ODAyNSAoImRybS9p OTE1L2Rpc3BsYXk6IEVuYWJsZSBQU1IyIHNlbGVjdGl2ZSBmZXRjaCBieSBkZWZhdWx0IikNCj4g Q2M6IEd3YW4tZ3llb25nIE11biA8Z3dhbi1neWVvbmcubXVuQGludGVsLmNvbT4NCj4gQ2M6IFZp bGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+DQo+IENjOiBKb3PD qSBSb2JlcnRvIGRlIFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4NCj4gQ2M6IEphbmkgTmlr dWxhIDxqYW5pLm5pa3VsYUBsaW51eC5pbnRlbC5jb20+DQo+IENjOiBSb2RyaWdvIFZpdmkgPHJv ZHJpZ28udml2aUBpbnRlbC5jb20+DQo+IENjOiBpbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnDQo+IENjOiA8c3RhYmxlQHZnZXIua2VybmVsLm9yZz4gIyB2NS4xNisNCj4gLS0tDQo+ICBk cml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX3Bzci5jIHwgMTAgKysrKysrKy0tLQ0K PiAgMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkNCj4gDQo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX3Bzci5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9wc3IuYw0KPiBpbmRleCBhMWE2NjNm MzYyZTcuLjI1YzE2YWJjZDljZCAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv ZGlzcGxheS9pbnRlbF9wc3IuYw0KPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5 L2ludGVsX3Bzci5jDQo+IEBAIC03MzcsMTAgKzczNywxNCBAQCBzdGF0aWMgYm9vbCBpbnRlbF9w c3IyX3NlbF9mZXRjaF9jb25maWdfdmFsaWQoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwNCj4g IAkJcmV0dXJuIGZhbHNlOw0KPiAgCX0NCj4gIA0KPiAtCS8qIFdhXzE0MDEwMjU0MTg1IFdhXzE0 MDEwMTAzNzkyICovDQo+IC0JaWYgKElTX1RHTF9ESVNQTEFZX1NURVAoZGV2X3ByaXYsIFNURVBf QTAsIFNURVBfQzApKSB7DQo+ICsJLyoNCj4gKwkgKiBUaGVyZSdzIHR3byB0aGluZ3Mgc3RvcHBp bmcgdGhpcyBmcm9tIGJlaW5nIGVuYWJsZWQgb24gVEdMOg0KPiArCSAqIEZvciBzdGVwcyBBMC1D MDogd29ya2Fyb3VuZHMgV2FfMTQwMTAyNTQxODUgV2FfMTQwMTAxMDM3OTIgYXJlIG1pc3NpbmcN Cj4gKwkgKiBGb3IgYWxsIHN0ZXBzOiBQU1IyIHNlbGVjdGl2ZSBmZXRjaCBjYXVzZXMgc2NyZWVu IGZsaWNrZXJpbmcNCj4gKwkgKi8NCj4gKwlpZiAoSVNfVElHRVJMQUtFKGRldl9wcml2KSkgew0K PiAgCQlkcm1fZGJnX2ttcygmZGV2X3ByaXYtPmRybSwNCj4gLQkJCSAgICAiUFNSMiBzZWwgZmV0 Y2ggbm90IGVuYWJsZWQsIG1pc3NpbmcgdGhlIGltcGxlbWVudGF0aW9uIG9mIFdBc1xuIik7DQo+ ICsJCQkgICAgIlBTUjIgc2VsIGZldGNoIG5vdCBlbmFibGVkLCBjdXJyZW50bHkgYnJva2VuIG9u IFRHTFxuIik7DQo+ICAJCXJldHVybiBmYWxzZTsNCj4gIAl9DQo+ICANCg0K