From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vivi, Rodrigo" Subject: Re: [PATCH 1/4] drm/i915: PSR Fix standby logic for PSR on non DDI-A for certain platforms. Date: Thu, 21 Jan 2016 20:07:54 +0000 Message-ID: <1453407018.5745.179.camel@intel.com> References: <1449851995-8108-1-git-send-email-rodrigo.vivi@intel.com> <1453299102.22174.27.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 3B6DE6E308 for ; Thu, 21 Jan 2016 12:07:56 -0800 (PST) In-Reply-To: <1453299102.22174.27.camel@intel.com> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "intel-gfx@lists.freedesktop.org" , "Zanoni, Paulo R" List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyMDE2LTAxLTIwIGF0IDE0OjExICswMDAwLCBaYW5vbmksIFBhdWxvIFIgd3JvdGU6 DQo+IEVtIFNleCwgMjAxNS0xMi0xMSDDoHMgMDg6MzkgLTA4MDAsIFJvZHJpZ28gVml2aSBlc2Ny ZXZldToNCj4gPiBDdXJyZW50IHBsYXRmb3JtcyB0aGF0IHN1cHBvcnQgUFNSIG9uIG90aGVyIHBv cnQgdGhhbiBBIG9ubHkgDQo+ID4gc3VwcG9ydA0KPiA+IGxpbmsNCj4gPiBzdGFuZGJ5IG1vZGUu DQo+ID4gDQo+ID4gVGhlIGxvZ2ljIGhlcmUgd2FzIHdyb25nIHNpbmNlICdjb21taXQgODkyNTFi MTc3YiAoImRybS9pOTE1OiBQU1I6DQo+ID4gZGVwcmVjYXRlIGxpbmtfc3RhbmRieSBzdXBwb3J0 IGZvciBjb3JlIHBsYXRmb3Jtcy4iKQ0KPiANCj4gV2hhdCdzIHdyb25nL2Jyb2tlbiB3aXRoIHRo ZSBsb2dpYz8NCg0KSWYgd2UgcmVxdWVzdCBsaW5rX3N0YW5kYnkgdmlhIFZCVCBhbmQgd2UgYXJl bid0IG9uIFRyYW5zRURQLWF0LURESS1BDQp3ZSBhcmUgbm93YWRheXMgYXZvaWRpbmcgUFNSDQoN CldpdGggdGhpcyBwYXRjaCBpZiBmdWxsX2xpbmsgZGlzYWJsZWQgKD09IGxpbmsgb2ZmID09IG1h aW4gbGluayBvZmYgPT0NCm5vdCBpbiBsaW5rIHN0YW5kYnkgbW9kZSkgYW5kIHdlIGFyZSBub3Qg dXNpbmcgRERJQSB0aGFuIHdlIGJsb2NrIFBTUg0KYW5kIGxldHMgZ2V0IFBTUiBvbiB0aGUgbGlu a3Nfc3RhbmRieSBvbiBub24gcG9ydEEgdGhhdCB3ZSBhcmUNCmN1cnJlbnRseSBibG9ja2luZy4u Lg0KDQo+IA0KPiA+IA0KPiA+IENjOiBQYXVsbyBaYW5vbmkgPHBhdWxvLnIuemFub25pQGludGVs LmNvbT4NCj4gPiBTaWduZWQtb2ZmLWJ5OiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRl bC5jb20+DQo+ID4gLS0tDQo+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIHwg NiArKystLS0NCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlv bnMoLSkNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf cHNyLmMNCj4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jDQo+ID4gaW5kZXgg OWNjZmYzMC4uNGE5YzA2MiAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wc3IuYw0KPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jDQo+ ID4gQEAgLTMyNyw5ICszMjcsOSBAQCBzdGF0aWMgYm9vbCBpbnRlbF9wc3JfbWF0Y2hfY29uZGl0 aW9ucyhzdHJ1Y3QNCj4gPiBpbnRlbF9kcCAqaW50ZWxfZHApDQo+ID4gIAkJcmV0dXJuIGZhbHNl Ow0KPiA+ICAJfQ0KPiA+ICANCj4gPiAtCWlmICghSVNfVkFMTEVZVklFVyhkZXYpICYmICFJU19D SEVSUllWSUVXKGRldikgJiYNCj4gPiAtCSAgICAoKGRldl9wcml2LT52YnQucHNyLmZ1bGxfbGlu aykgfHwgKGRpZ19wb3J0LT5wb3J0ICE9DQo+ID4gUE9SVF9BKSkpIHsNCj4gPiAtCQlEUk1fREVC VUdfS01TKCJQU1IgY29uZGl0aW9uIGZhaWxlZDogTGluayBTdGFuZGJ5DQo+ID4gcmVxdWVzdGVk L25lZWRlZCBidXQgbm90IHN1cHBvcnRlZCBvbiB0aGlzIHBsYXRmb3JtXG4iKTsNCj4gPiArCWlm IChIQVNfRERJKGRldikgJiYgIWRldl9wcml2LT52YnQucHNyLmZ1bGxfbGluayAmJg0KPiA+ICsJ ICAgIGRpZ19wb3J0LT5wb3J0ICE9IFBPUlRfQSkgew0KPiA+ICsJCURSTV9ERUJVR19LTVMoIlBT UiBjb25kaXRpb24gZmFpbGVkOiBMaW5rIE9mZg0KPiA+IHJlcXVlc3RlZC9uZWVkZWQgYnV0IG5v dCBzdXBwb3J0ZWQgb24gdGhpcyBwb3J0XG4iKTsNCj4gPiAgCQlyZXR1cm4gZmFsc2U7DQo+IA0K PiBJIHNwZW50IGEgbG9uZyB0aW1lIGxvb2tpbmcgYXQgdGhpcyBwYXRjaCwgdHJ5aW5nIHRvIHVu ZGVyc3RhbmQgd2hhdA0KPiBleGFjdGx5IGNoYW5nZWQuIFlvdSBkaWRuJ3QgcmVhbGx5IG1lbnRp b24gd2hpY2ggc3BlY2lmaWMgY2FzZSB3YXMNCj4gd3JvbmcgYW5kIHdoeS4gUGxlYXNlIGV4cGxp Y2l0bHkgbWVudGlvbiB0aGUgY2FzZSBhbmQgcGxhdGZvcm0sIGFsc28NCj4gcmVwbGFjaW5nICJj ZXJ0YWluIHBsYXRmb3JtcyIgZm9yIHNvbWV0aGluZyBtb3JlIHByZWNpc2UuDQoNCllvdXIgY29t bWVudHMgbWFkZSBtZSB0byBrZWVwIGxvb2tpbmcgdG8gbXkgb3duIHBhdGNoIGEgbG9uZyB0aW1l IGFzDQp3ZWxsIHRyeWluZyB0byB1bmRlcnN0YW5kIHdoYXQgSSBoYWQgZG9uZS4uLiANCg0KPiAN Cj4gVGhlIGNvZGUgbWVudGlvbnMgImZ1bGxfbGluayIsICJsaW5rIHN0YW5kYnkiIGFuZCAibGlu ayBvZmYiLCBidXQNCj4gdGhlcmUncyBub3RoaW5nIGNsYXJpZnlpbmcgdGhlIHJlbGF0aW9uc2hp cCBiZXR3ZWVuIHRoZW0uIEl0IHNlZW1zDQo+ICJmdWxsX2xpbmsiIG1lYW5zICJsaW5rIHN0YW5k YnkiLCBidXQgSSBzdXBwb3NlIHdlIGNvdWxkIHB1dCBhIA0KPiBjb21tZW50DQo+IHNvbWV3aGVy ZSBjbGFyaWZ5aW5nIHRoaXMuIFdlIHByZXZpb3VzbHkgaGFkIGRldl9wcml2LQ0KPiA+IHBzci5s aW5rX3N0YW5kYnksIGJ1dCB3ZSBkb24ndCBoYXZlIHRoaXMgYW55bW9yZS4NCg0KeWVhaCwgdGhp cyBpcyBpbmRlZWQgY29uZnVzaW5nIG5hbWVzIGFuZCBhbHNvIHdhcyB0aGUgcmVhc29uIHRoYXQg SQ0Kc3RhaWQgYSBsb25nIHRpbWUgYWxzbyBjb25mdXNlZCBieSBteSBwYXRjaC4NCkkgd2lsbCB0 cnkgdG8gZXhwbGFpbiBhIGJpdCBoZXJlIGFuZCBwdXQgdGhpcyBjb21tZW50IHNvbWV3aGVyZSBp biB0aGUNCmNvZGUgYW5kIGluIHRoZSBjb21taXQgbWVzc2FnZS4NCg0KV2UgaGF2ZSAyIHNpdHVh dGlvbnM6DQoxIC0gTWFpbi9GdWxsIGxpbmsgbmVlZHMgdG8gYmUgZW5hYmxlZCB0aGUgd2hvbGUg dGltZSBpbiBzdGFuZCBieSBtb2RlDQp0byBhbGxvdyBzb3VyY2Utc2luayBjb21tdW5pY2F0aW9u IHdoZW4gZXhpdGluZyBQU1IuDQoyIC0gQWxsIGxpbmtzIGNhbiBiZSBkaXNhYmxlZCwgZ28gb2Zm IG9uIFBTUiBlbnRyeS4gDQoNClRoaXMgaXMgb3B0aW1hbCBjYXNlIGZvciBwb3dlciBzYXZpbmdz LCBidXQgZGVwZW5kIG9uIHRoZSBwYW5lbA0KaW1wbGVtZW50YXRpb24gaXQgY2FuIGZhaWwgYmFk bHkuIFNvIGlmIHdlIGlkZW50aWZ5IHRoaXMgZWFybGllciBkdXJpbmcNCnByb2R1Y3QgZGV2ZWxv cG1lbnQgT0VNcyBjYW4gc2V0IHRoaXMgVkJUIGJpdCB0byBmb3JjZSB0aGUgbGluaw0Kc3RhbmRi eS4NCg0KU28sIGZ1bGxfbGluayA9PSBzdGFuZGJ5ID09IGxpbmsgb24NCmxpbmstb2ZmID09ICEg c3RhbmQtYnkgPT0gISBmdWxsIGxpbmsNCg0KVGhlIGNvbmZ1c2lvbiBoYXBwZW5zIGJlY2F1c2Ug VkVTQSB1c2VzIG9uZSB3YXkgYW5kIG91ciBzcGVjIGFub3RoZXINCmFuZCBWQlQgYW5vdGhlci4N Cg0KDQo+IA0KPiBJdCBzZWVtcyB0aGF0IHdpdGggdGhlIHByZXZpb3VzIGNvZGUgd2Ugb25seSBz dXBwb3J0ZWQgbGluayBvZmYgb24gDQo+IHBvcnQNCj4gQSwgbm90aGluZyBlbHNlLiBUaGlzIGlz IHJlZmxlY3RlZCBib3RoIGJ5IHRoZSBjaGVjayB5b3UncmUgY2hhbmdpbmcNCj4gYW5kIGJ5IGhz d19wc3JfZW5hYmxlX3NvdXJjZSgpLiBOb3cgd2UncmUgb25seSBnb2luZyB0byByZWplY3QgbGlu ayANCj4gb2ZmDQo+IGZvciBwb3J0cyBCL0MvRC9FLiANCg0Kbm9wZSB0aGUgcHJldmlvdXMgb25l IHN1cHBvcnQgbGluayBvZmYgZm9yIHBvcnRzIEIvQy9EL0UgYW5kIHNraXAgb24NCnN0YW5keSwg YW5kIHRoaXMgaXMgZXhhY3RseSB0aGUgaXNzdWUuDQoNCj4gVGhpcyBtZWFucyB0aGF0IHRoaXMg cGF0Y2ggaXMgYm90aCBlbmFibGluZyBwb3J0cw0KPiBCL0MvRC9FIF9hbmRfIGVuYWJsaW5nIGxp bmsgc3RhbmRieSBzdXBwb3J0IG9uIHBvcnQgQS4gTWF5YmUgd2UgY291bGQNCj4gZG8gdGhpcyB0 aHJvdWdoIHR3byBzZXBhcmF0ZSBwYXRjaGVzOiBvbmUgZm9yIHRoZSBwb3J0IEEgbmV3IGZlYXR1 cmUsDQo+IHRoZSBvdGhlciBmb3IgdGhlIG5ldyBwb3J0cy4gVGhpcyBtZWFuczoNCj4gIC0gV2Un cmUgbm93IGFjY2VwdGluZyBsaW5rIHN0YW5kYnkgb24gZXZlcnkgcG9ydCwgYnV0IHdlIGRvbid0 IGhhdmUNCj4gdGhlIGNvZGUgdG8gc2V0IGxpbmsgc3RhbmRieSBvbiBwb3J0IEEuDQoNCldlbGws IHRoaXMgd2FzIGFscmVhZHkgdGhlIGNhc2Ugb24gQkRXKy4uLiBmb3IgSFNXIFBTUiBpcyB0aWVk IHRvIERESS1BDQphY2NvcmRpbmcgc3BlYyBhbmQgdGhpcyByZXN0cmljdGlvbiB3YXMgcmVtb3Zl ZCBvbiBCRFcgYnkgYWRkaW5nIHRoZQ0KSVNfSEFTV0VMTChkZXYpIHRvIHRoZSBwcmUtZXhpc3Rp bmcgcG9ydCAhPSBERElBDQoNCj4gIC0gV2UncmUgbm93IGFjY2VwdGluZyBwb3J0IEIvQy9EL0Ug b24gRERJIHBsYXRmb3JtcywgYnV0IG91ciBjb2RlDQo+IGN1cnJlbnRseSBoYXJkY29kZXMgUFNS IHRvIHRoZSByZWdpc3RlciBhc3NvY2lhdGVkIHdpdGggdHJhbnNjb2RlciANCj4gZURQLg0KDQpP aCB3YWl0LCB5b3UgYXJlIGFic29sdXRlbHkgcmlnaHQgaGVyZSEgV2UgZG8gbm90IGJsb2NrIFBT UiBvbiB0aGlzDQpmdW5jdGlvbiwgYnV0IHdlIGp1c3QgdXNlIHRyYW5zY29kZXJfRURQIG9uZS4u Lg0KDQpOb3cgSSBiZWxpZXZlIHdlIHNob3VsZCBqdXN0IHJlbW92ZSB0aGlzIGVudGlyZSBibG9j ayBhbmQgdGhhdA0KSVNfSEFTV0VMTCBhbmQgZ2V0IHRpZWQgYWdhaW4gdG8gRERJX0EgYW5kIHRy YW5zY29kZXJfRURQIGJlZm9yZSBhDQpyZXdvcmsgdGhhdCB3b3VsZCBtYWtlIHRoYXQgcmVhbGx5 IHdvcmsuIFdpdGggYSBsb3cgcHJpb3JpdHkgc2luY2Ugd2UNCm5ldmVyIHJlYWxseSB0YXJnZXQg cGxhdGZvcm1zIHdpdGggMiBlRFBzIG9yIGVEUCBvbiBvdGhlciBwb3J0IHRoYW4gbm90DQpUUkFO U19FRFArRERJQS4NCg0KV2hhdCBkbyB5b3UgdGhpbms/DQoNCj4gDQo+IEFsc28sIGFjY29yZGlu ZyB0byA4OTI1MWIxNzdiNTgsIHdlIGRvbid0IHdhbnQgbGluayBzdGFuZGJ5IGZvcg0KPiBIU1cv QkRXLCBidXQgd2UncmUgYWNjZXB0aW5nIHRoaXMgbm93LiBTbyB0aGlzIHBhdGNoIGlzIGEgaGFs Zi1yZXZlcnQNCj4gb2YgdGhhdCBjb21taXQuDQoNCm5vdCByZWFsbHkuLi4gYmVjYXVzZSB0aGUg bG9naWMgd2FzIGludmVydGVkIG9uIHRoYXQgY29tbWl0IGNhdXNpbmcgYWxsDQp0aGUgY29uZnVz aW9uLi4uDQoNCj4gDQo+IEJ5IHRoZSB3YXksIHRoZSBzcGVjIHRhbGtzIGluIHRlcm1zIG9mIHRy YW5zY29kZXJzIGFuZCBvdXIgY29kZSB0YWxrcw0KPiBpbiB0ZXJtcyBvZiBwb3J0cy4gSSBrbm93 IHRoZXJlIHdhcyBzb21lIGRpcmVjdCByZWxhdGlvbnNoaXAgYmV0d2Vlbg0KPiB0aGVtIGF0IHNv bWUgcG9pbnQsIGJ1dCBhcyB3ZSBhZGQgbW9yZSBwbGF0Zm9ybXMsIHdlIGluY3JlYXNlIHRoZQ0K PiBjaGFuY2UgdGhhdCBvdXIgaW1wbGljaXQgYXNzZXJ0aW9ucyBiZXR3ZWVuIHRoZSByZWxhdGlv bnNoaXAgb2YNCj4gdHJhbnNjb2RlcnMgYW5kIHBvcnRzIG1heSBub3QgYmUgdmFsaWQgYW55bW9y ZS4gU28gcGxlYXNlIGVpdGhlciBhZGQNCj4gc29tZSBhc3NlcnRpb25zLCBvciBzb21lIGh1Z2Ug Y29tbWVudCwgb3IganVzdCBjaGFuZ2UgdGhlIGNvZGUgdG8gDQo+IGNoZWNrDQo+IHRyYW5zY29k ZXJzIGluc3RlYWQgb2YgcG9ydHMuDQoNCndlbGwsIGluaXRpYWwgc3BlY3Mgd2VyZSBhbHNvIHRh bGtpbmcgaW4gdGVybXMgb2YgdHJhbnNfZWRwICsgRERJX0Egb3INCiEgRERJX0EsIGV0Yy4gQnV0 IGJhc2VkIG9uIHJlZ2lzdGVycyBkaXZpZGVkIGJ5IHRyYW5zY29kZXIgd2Ugd291bGQNCm5lZWQg dGhlIGZ1bGwgcmV3b3JrIHRvIGFsbG93IG11bHRpcGxlIFBTUiBpbiBkaWZmZXJlbnQgdHJhbnNj b2RlcnMuLi4NCkFsc28gYW5vdGhlciBxdWVzdGlvbiBpcyB3aGVyZSB3b3VsZCB3ZSBnZXQgYSBt YWNoaW5lIGxpa2UgdGhpcyB0bw0KdmFsaWRhdGU/ISANCg0KU28sIGxldCdzIGZ1bGx5IHRpZSBp dCB0byB0cmFuc2NvZGVyX2VkcCBmb3Igbm93Pw0KDQo+IA0KPiBUbyBjb25jbHVkZTogSSBzdGls bCBjYW4ndCBzZWUgd2hhdCdzIHdyb25nIHdpdGggdGhlIGN1cnJlbnQgY29kZS4NCg0KSSBob3Bl IGl0IGlzIGNsZWFyIG5vdywgYnV0IHdlIGNhbiB0YWxrIG1vcmUgdG9tb3Jyb3cgYWJvdXQgaXQg b24gaXJjLg0KDQpUaGFuayB5b3UgdmVyeSBtdWNoIGZvciBhbGwgaGlnaGxpZ2h0cyBoZXJlIQ0K DQo+IA0KPiANCj4gPiAgCX0KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRl bC1nZngK