From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zanoni, Paulo R" Subject: Re: [PATCH 3/7] drm/i915: PSR: Let's rely more on frontbuffer tracking. Date: Mon, 24 Aug 2015 14:29:21 +0000 Message-ID: <1440426560.2526.24.camel@intel.com> References: <1440118544-26282-1-git-send-email-rodrigo.vivi@intel.com> <1440118544-26282-3-git-send-email-rodrigo.vivi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 413FD72086 for ; Mon, 24 Aug 2015 07:29:24 -0700 (PDT) In-Reply-To: <1440118544-26282-3-git-send-email-rodrigo.vivi@intel.com> Content-Language: en-US Content-ID: <6AFAC91CE05CDC47AD21F299EF2BFB81@intel.com> 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" , "Vivi, Rodrigo" List-Id: intel-gfx@lists.freedesktop.org RW0gUXVpLCAyMDE1LTA4LTIwIMOgcyAxNzo1NSAtMDcwMCwgUm9kcmlnbyBWaXZpIGVzY3JldmV1 Og0KPiBNYW55IHJlYXNvbnMgaGVyZToNCj4gDQo+IC0gSGFyZHdhcmUgdHJhY2tpbmcgYWxzbyBo YXMgaGlkZGVuIGNvcm5lciBjYXNlcw0KDQpDYW4geW91IHBsZWFzZSBlbGFib3JhdGUgbW9yZSBv biB0aGF0PyBJIHJlYWxseSByZWFsbHkgcmVhbGx5IHJlYWxseQ0KcmVhbGx5IHRoaW5rIHdlIHNo b3VsZCB0cnkgYXMgaGFyZCBhcyBwb3NzaWJsZSB0byBjb29rIHNvbWUgSUdUIGNhc2VzDQppZiBz b21ldGhpbmcgaXMgYWZmZWN0aW5nIHVzIDopDQoNCj4gLSBGcm9udGJ1ZmZlciB0cmFja2luZyBp cyBtYXR1cmUgYW5kIHJlbGlhYmxlIG5vdw0KPiAtIE91ciBzdyBleGl0IGJ5IHVuc2V0aW5nIGJp dCAzMSBpcyByZWFsbHkgZmFzdCBhbmQgcmVsaWFibGUuDQoNCkJ1dCBkb2Vzbid0IGl0IHRyaWdn ZXIgYW4gYXV0b21hdGljIGxpbmsgcmV0cmFpbmluZz8NCg0KPiANCj4gQWxzbyBmcm9udGJ1ZmZl ciB0cmFja2luZyBmbHVzaCBtZWFucyBpbnZhbGlkYXRlIGFuZCBmbHVzaC4NCg0KSSBkb24ndCBr bm93IHdoYXQgYXJlIHRoZSBpbXBsaWNhdGlvbnMgb2YgdGhpcyBpbiB0aGUgY3VycmVudCBjb250 ZXh0Lg0KDQo+IA0KPiBTbywgbGV0J3MgcmVseSBtb3JlIGFuZCBkbyB0aGUgcHJvcGVyIG1lYW5p bmcgb2YgZmx1c2ggZm9yDQo+IGFsbCBjYXNlcyB3aXRob3V0IGFueSB3b3JrYXJvdW5kLg0KDQpJ J20gcmVhbGx5IGluIGZhdm9yIG9mIHRoZSBpZGVhIHRoYXQgaWYgdGhlIEhXIGNhbiBwcm9wZXJs eSBoYW5kbGUgdGhlDQpmbGlwcywgd2Ugc2hvdWxkIHJlbHkgb24gaXQsIHNpbmNlIGluIGEgbG90 IG9mIG1vZGVybiBkZXNrdG9wDQplbnZpcm9ubWVudHMgd2UgYmFzaWNhbGx5IGRvIG9uZSBmbGlw IHBlciBmcmFtZS4gRGlkIHdlIHN0dWR5IGhvdyB0aGlzDQpwYXRjaCBhZmZlY3RzIHRoZSBQU1Ig cmVzaWRlbmN5IG9uIHRoZSBkaWZmZXJlbnQgY2FzZXMgd2UgY2FyZSBhYm91dD8NCg0KKHllcywg SSBrbm93IEZCQyBpcyBub3QgcmVseWluZyBvbiB0aGUgSFcgZm9yIGZsaXBzLCBidXQgdGhpcyBp cyBvbiB0aGUNCiJvcHRpbWl6YXRpb24iIFRPRE8gbGlzdCBhZnRlciB3ZSBmaW5hbGx5IG1lcmdl IHRoZSBidWcgZml4ZXMpDQoNCkR1ZSB0byB0aGUgYmVuZWZpdHMgb2YgcmVseWluZyBvbiB0aGUg SFcgdHJhY2tpbmcsIEkgdGhpbmsgeW91J2xsIGhhdmUNCnRvIGJyaW5nIHNvbWUgZ29vZCBhcmd1 bWVudHMgdG8gc2VsbCB0aGlzIHBhdGNoIHRvIG1lLiBCdXQgYQ0KIlRlc3RjYXNlOiIgdGFnIHdv dWxkIHRvdGFsbHkgZG8gaXQgOikNCg0KPiANCj4gU2lnbmVkLW9mZi1ieTogUm9kcmlnbyBWaXZp IDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPg0KPiAtLS0NCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX3Bzci5jIHwgMjIgKysrLS0tLS0tLS0tLS0tLS0tLS0tLQ0KPiAgMSBmaWxlIGNoYW5n ZWQsIDMgaW5zZXJ0aW9ucygrKSwgMTkgZGVsZXRpb25zKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgDQo+IGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcHNyLmMNCj4gaW5kZXggOTJlMmI0NjcuLjYzYmJhYjIgMTAwNjQ0DQo+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jDQo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX3Bzci5jDQo+IEBAIC03MTksMjUgKzcxOSw5IEBAIHZvaWQgaW50ZWxfcHNy X2ZsdXNoKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsDQo+ICAJZnJvbnRidWZmZXJfYml0cyAmPSBJ TlRFTF9GUk9OVEJVRkZFUl9BTExfTUFTSyhwaXBlKTsNCj4gIAlkZXZfcHJpdi0+cHNyLmJ1c3lf ZnJvbnRidWZmZXJfYml0cyAmPSB+ZnJvbnRidWZmZXJfYml0czsNCj4gIA0KPiAtCWlmIChIQVNf RERJKGRldikpIHsNCj4gLQkJLyoNCj4gLQkJICogQnkgZGVmaW5pdGlvbiBldmVyeSBmbHVzaCBz aG91bGQgbWVhbiBpbnZhbGlkYXRlIA0KPiArIGZsdXNoLA0KPiAtCQkgKiBob3dldmVyIG9uIGNv cmUgcGxhdGZvcm1zIGxldCdzIG1pbmltaXplIHRoZQ0KPiAtCQkgKiBkaXNhYmxlL3JlLWVuYWJs ZSBzbyB3ZSBjYW4gYXZvaWQgdGhlIGludmFsaWRhdGUgDQo+IHdoZW4gZmxpcA0KPiAtCQkgKiBv cmlnaW5hdGVkIHRoZSBmbHVzaC4NCj4gLQkJICovDQo+IC0JCWlmIChmcm9udGJ1ZmZlcl9iaXRz ICYmIG9yaWdpbiAhPSBPUklHSU5fRkxJUCkNCj4gLQkJCWludGVsX3Bzcl9leGl0KGRldik7DQo+ IC0JfSBlbHNlIHsNCj4gLQkJLyoNCj4gLQkJICogT24gVmFsbGV5dmlldyBhbmQgQ2hlcnJ5dmll dyB3ZSBkb24ndCB1c2UgDQo+IGhhcmR3YXJlIHRyYWNraW5nDQo+IC0JCSAqIHNvIGFueSBwbGFu ZSB1cGRhdGVzIG9yIGN1cnNvciBtb3ZlcyBkb24ndCByZXN1bHQgDQo+IGluIGEgUFNSDQo+IC0J CSAqIGludmFsaWRhdGluZy4gV2hpY2ggbWVhbnMgd2UgbmVlZCB0byBtYW51YWxseSANCj4gZmFr ZSB0aGlzIGluDQo+IC0JCSAqIHNvZnR3YXJlIGZvciBhbGwgZmx1c2hlcy4NCj4gLQkJICovDQo+ IC0JCWlmIChmcm9udGJ1ZmZlcl9iaXRzKQ0KPiAtCQkJaW50ZWxfcHNyX2V4aXQoZGV2KTsNCj4g LQl9DQo+ICsJLyogQnkgZGVmaW5pdGlvbiBmbHVzaCA9IGludmFsaWRhdGUgKyBmbHVzaCAqLw0K PiArCWlmIChmcm9udGJ1ZmZlcl9iaXRzKQ0KPiArCQlpbnRlbF9wc3JfZXhpdChkZXYpOw0KPiAg DQo+ICAJaWYgKCFkZXZfcHJpdi0+cHNyLmFjdGl2ZSAmJiAhZGV2X3ByaXYNCj4gLT5wc3IuYnVz eV9mcm9udGJ1ZmZlcl9iaXRzKQ0KPiAgCQlzY2hlZHVsZV9kZWxheWVkX3dvcmsoJmRldl9wcml2 LT5wc3Iud29yaywKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK