From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH 15/18] drm/i915/ringbuffer: Specialise SNB+ request emission for semaphores Date: Thu, 21 Jul 2016 16:55:00 +0300 Message-ID: <1469109300.4821.31.camel@linux.intel.com> References: <1469020330-1071-1-git-send-email-chris@chris-wilson.co.uk> <1469020330-1071-16-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id AEB4C6E193 for ; Thu, 21 Jul 2016 13:55:03 +0000 (UTC) In-Reply-To: <1469020330-1071-16-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24ga2UsIDIwMTYtMDctMjAgYXQgMTQ6MTIgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBB cyBnZW42X2VtaXRfcmVxdWVzdCgpIG9ubHkgZGlmZmVycyBmcm9tIGk5eHhfZW1pdF9yZXF1ZXN0 KCkgd2hlbgo+IHNlbWFwaG9yZXMgYXJlIGVuYWJsZWQsIG9ubHkgdXNlIHRoZSBzcGVjaWFsaXNl ZCB2ZnVuYyBpbiB0aGF0IHNjZW5hcmlvLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNv biA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IC0tLQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfcmluZ2J1ZmZlci5jIHwgMTggKysrKysrKystLS0tLS0tLS0tCj4gwqAxIGZpbGUg Y2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jCj4gaW5kZXggYTc0YjQyZmM4ZjQ4Li44YWUyNWJj Yzg3NmUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZl ci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcmluZ2J1ZmZlci5jCj4gQEAg LTE0NDIsMjIgKzE0NDIsMjAgQEAgc3RhdGljIGludCBpOXh4X2VtaXRfcmVxdWVzdChzdHJ1Y3Qg ZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSkKPiDCoH0KPiDCoAo+IMKgLyoqCj4gLSAqIGdlbjZf ZW1pdF9yZXF1ZXN0IC0gVXBkYXRlIHRoZSBzZW1hcGhvcmUgbWFpbGJveCByZWdpc3RlcnMKPiAr ICogZ2VuNl9zZW1hX2VtaXRfcmVxdWVzdCAtIFVwZGF0ZSB0aGUgc2VtYXBob3JlIG1haWxib3gg cmVnaXN0ZXJzCj4gwqAgKgo+IMKgICogQHJlcXVlc3QgLSByZXF1ZXN0IHRvIHdyaXRlIHRvIHRo ZSByaW5nCj4gwqAgKgo+IMKgICogVXBkYXRlIHRoZSBtYWlsYm94IHJlZ2lzdGVycyBpbiB0aGUg Km90aGVyKiByaW5ncyB3aXRoIHRoZSBjdXJyZW50IHNlcW5vLgo+IMKgICogVGhpcyBhY3RzIGxp a2UgYSBzaWduYWwgaW4gdGhlIGNhbm9uaWNhbCBzZW1hcGhvcmUuCj4gwqAgKi8KPiAtc3RhdGlj IGludCBnZW42X2VtaXRfcmVxdWVzdChzdHJ1Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSkK PiArc3RhdGljIGludCBnZW42X3NlbWFfZW1pdF9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9nZW1f cmVxdWVzdCAqcmVxKQo+IMKgewo+IC0JaWYgKHJlcS0+ZW5naW5lLT5zZW1hcGhvcmUuc2lnbmFs KSB7Cj4gLQkJaW50IHJldDsKPiArCWludCByZXQ7Cj4gwqAKPiAtCQlyZXQgPSByZXEtPmVuZ2lu ZS0+c2VtYXBob3JlLnNpZ25hbChyZXEpOwo+IC0JCWlmIChyZXQpCj4gLQkJCXJldHVybiByZXQ7 Cj4gLQl9Cj4gKwlyZXQgPSByZXEtPmVuZ2luZS0+c2VtYXBob3JlLnNpZ25hbChyZXEpOwo+ICsJ aWYgKHJldCkKPiArCQlyZXR1cm4gcmV0Owo+IMKgCj4gwqAJcmV0dXJuIGk5eHhfZW1pdF9yZXF1 ZXN0KHJlcSk7Cj4gwqB9Cj4gQEAgLTI2ODcsNiArMjY4NSw4IEBAIHN0YXRpYyB2b2lkIGludGVs X3JpbmdfaW5pdF9zZW1hcGhvcmVzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwK PiDCoAlpZiAoIWk5MTUuc2VtYXBob3JlcykKPiDCoAkJcmV0dXJuOwo+IMKgCj4gKwllbmdpbmUt PmVtaXRfcmVxdWVzdCA9IGdlbjZfc2VtYV9lbWl0X3JlcXVlc3Q7Cj4gKwo+IMKgCWlmIChJTlRF TF9HRU4oZGV2X3ByaXYpID49IDgpIHsKPiDCoAkJdTY0IG9mZnNldCA9IGk5MTVfZ2VtX29ial9n Z3R0X29mZnNldChkZXZfcHJpdi0+c2VtYXBob3JlX29iaik7Cj4gwqAKPiBAQCAtMjc4OSw4ICsy Nzg5LDYgQEAgc3RhdGljIHZvaWQgaW50ZWxfcmluZ19kZWZhdWx0X3ZmdW5jcyhzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4gwqAJZW5naW5lLT5pbml0X2h3ID0gaW5pdF9yaW5n X2NvbW1vbjsKPiDCoAo+IMKgCWVuZ2luZS0+ZW1pdF9yZXF1ZXN0ID0gaTl4eF9lbWl0X3JlcXVl c3Q7Cj4gLQlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA+PSA2KQo+IC0JCWVuZ2luZS0+ZW1pdF9y ZXF1ZXN0ID0gZ2VuNl9lbWl0X3JlcXVlc3Q7CgpOb3Qgc3VyZSBpZiBJIHdvdWxkIHByZWZlciB0 aGUgYXNzaWdubWVudCBoZXJlIHN0aWxsLiBJZiBvdmVycmlkZXMKaGFwcGVuIGZyb20gYWxsIGFy b3VuZCB0aGUgY29kZWJhc2UsIGl0J2xsIGJlIGhhcmRlciB0byBjb21lIHVwIHdpdGgKd2hhdCBh cmUgdGhlIHBvc3NpYmxlIHZhbHVlcyBmb3IgYSB2ZnVuYywgcmlnaHQ/CgpSZWdhcmRzLCBKb29u YXMKCj4gwqAJZW5naW5lLT5zdWJtaXRfcmVxdWVzdCA9IGk5eHhfc3VibWl0X3JlcXVlc3Q7Cj4g wqAKPiDCoAlpZiAoSU5URUxfR0VOKGRldl9wcml2KSA+PSA4KQotLSAKSm9vbmFzIExhaHRpbmVu Ck9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCkludGVsIENvcnBvcmF0aW9uCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5n IGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=