From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 19/20] drm/i915: Use SSE4.1 movntdqa based memcpy for sampling GuC log buffer Date: Fri, 12 Aug 2016 17:06:22 +0100 Message-ID: <57ADF3FE.2050803@linux.intel.com> References: <1470983123-22127-1-git-send-email-akash.goel@intel.com> <1470983123-22127-20-git-send-email-akash.goel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id B022C6E2F3 for ; Fri, 12 Aug 2016 16:07:51 +0000 (UTC) In-Reply-To: <1470983123-22127-20-git-send-email-akash.goel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: akash.goel@intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDEyLzA4LzE2IDA3OjI1LCBha2FzaC5nb2VsQGludGVsLmNvbSB3cm90ZToKPiBGcm9tOiBB a2FzaCBHb2VsIDxha2FzaC5nb2VsQGludGVsLmNvbT4KPgo+IEluIG9yZGVyIHRvIGhhdmUgZmFz dCByZWFkcyBmcm9tIHRoZSBHdUMgbG9nIGJ1ZmZlciwgdXNlZCBTU0U0LjEgbW92bnRkcWEKPiBi YXNlZCBtZW1jcHkgZnVuY3Rpb24gaTkxNV9tZW1jcHlfZnJvbV93Yy4KPiBHdUMgbG9nIGJ1ZmZl ciBoYXMgYSBXQyB0eXBlIHZtYWxsb2MgbWFwcGluZyBhbmQgY29weWluZyB1c2luZyBtb3ZudHFk YSBmcm9tCj4gV0MgdHlwZSBtZW1vcnkgaXMgYWxtb3N0IGFzIGZhc3QgYXMgcmVhZGluZyBmcm9t IFdCIG1lbW9yeS4KPiBUaGlzIHdpbGwgZnVydGhlciByZWR1Y2UgdGhlIGxvZyBidWZmZXIgc2Ft cGxpbmcgdGltZSwgc28gaXMgbmVlZGVkIGRlYXJseQo+IHRvIGRlYWwgd2l0aCB0aGUgZmx1c2gg aW50ZXJydXB0IHN0b3JtIHdoZW4gR3VDIGlzIGdlbmVyYXRpbmcgbG9ncyBhdCBhIHZlcnkKPiBo aWdoIHJhdGUuCj4gSWRlYWxseSBTU0UgNC4xIHNob3VsZCBiZSBwcmVzZW50IG9uIGFsbCBjaGlw c2V0cyBzdXBwb3J0aW5nIEd1QyBiYXNlZAo+IHN1Ym1pc3NzaW9ucywgYnV0IGlmIG5vdCB0aGVu IGxvZ2dpbmcgd2lsbCBub3QgYmUgZW5hYmxlZC4KPgo+IFN1Z2dlc3RlZC1ieTogQ2hyaXMgV2ls c29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gU2lnbmVkLW9mZi1ieTogQWthc2ggR29l bCA8YWthc2guZ29lbEBpbnRlbC5jb20+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X2d1Y19zdWJtaXNzaW9uLmMgfCAxNyArKysrKysrKysrKysrKy0tLQo+ICAgMSBmaWxlIGNo YW5nZWQsIDE0IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9ndWNfc3VibWlzc2lvbi5jIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9ndWNfc3VibWlzc2lvbi5jCj4gaW5kZXggMTgxODM0My4uYWY0OGY2MiAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2d1Y19zdWJtaXNzaW9uLmMK PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2d1Y19zdWJtaXNzaW9uLmMKPiBAQCAt OTg3LDE1ICs5ODcsMTYgQEAgc3RhdGljIHZvaWQgZ3VjX3JlYWRfdXBkYXRlX2xvZ19idWZmZXIo c3RydWN0IGludGVsX2d1YyAqZ3VjKQo+ICAgCQkJLyogSnVzdCBjb3B5IHRoZSBuZXdseSB3cml0 dGVuIGRhdGEgKi8KPiAgIAkJCWlmIChyZWFkX29mZnNldCA8PSB3cml0ZV9vZmZzZXQpIHsKPiAg IAkJCQlieXRlc190b19jb3B5ID0gd3JpdGVfb2Zmc2V0IC0gcmVhZF9vZmZzZXQ7Cj4gLQkJCQlt ZW1jcHkoZHN0X2RhdGFfcHRyICsgcmVhZF9vZmZzZXQsCj4gKwkJCQlpOTE1X21lbWNweV9mcm9t X3djKGRzdF9kYXRhX3B0ciArIHJlYWRfb2Zmc2V0LAo+ICAgCQkJCSAgICAgc3JjX2RhdGFfcHRy ICsgcmVhZF9vZmZzZXQsIGJ5dGVzX3RvX2NvcHkpOwo+ICAgCQkJfSBlbHNlIHsKPiAgIAkJCQli eXRlc190b19jb3B5ID0gYnVmZmVyX3NpemUgLSByZWFkX29mZnNldDsKPiAtCQkJCW1lbWNweShk c3RfZGF0YV9wdHIgKyByZWFkX29mZnNldCwKPiArCQkJCWk5MTVfbWVtY3B5X2Zyb21fd2MoZHN0 X2RhdGFfcHRyICsgcmVhZF9vZmZzZXQsCj4gICAJCQkJICAgICBzcmNfZGF0YV9wdHIgKyByZWFk X29mZnNldCwgYnl0ZXNfdG9fY29weSk7Cj4KPiAgIAkJCQlieXRlc190b19jb3B5ID0gd3JpdGVf b2Zmc2V0Owo+IC0JCQkJbWVtY3B5KGRzdF9kYXRhX3B0ciwgc3JjX2RhdGFfcHRyLCBieXRlc190 b19jb3B5KTsKPiArCQkJCWk5MTVfbWVtY3B5X2Zyb21fd2MoZHN0X2RhdGFfcHRyLCBzcmNfZGF0 YV9wdHIsCj4gKwkJCQkgICAgIGJ5dGVzX3RvX2NvcHkpOwo+ICAgCQkJfQo+Cj4gICAJCQlzcmNf ZGF0YV9wdHIgKz0gYnVmZmVyX3NpemU7Cj4gQEAgLTEyMTAsNiArMTIxMSwxNiBAQCBzdGF0aWMg dm9pZCBndWNfY3JlYXRlX2xvZyhzdHJ1Y3QgaW50ZWxfZ3VjICpndWMpCj4KPiAgIAlvYmogPSBn dWMtPmxvZy5vYmo7Cj4gICAJaWYgKCFvYmopIHsKPiArCQkvKiBXZSByZXF1aXJlIFNTRSA0LjEg Zm9yIGZhc3QgcmVhZHMgZnJvbSB0aGUgR3VDIGxvZyBidWZmZXIgYW5kCj4gKwkJICogaXQgc2hv dWxkIGJlIHByZXNlbnQgb24gdGhlIGNoaXBzZXRzIHN1cHBvcnRpbmcgR3VDIGJhc2VkCj4gKwkJ ICogc3VibWlzc3Npb25zLgo+ICsJCSAqLwo+ICsJCWlmIChXQVJOX09OKCFpOTE1X21lbWNweV9m cm9tX3djKE5VTEwsIE5VTEwsIDApKSkgewo+ICsJCQkvKiBsb2dnaW5nIHdpbGwgbm90IGJlIGVu YWJsZWQgKi8KPiArCQkJaTkxNS5ndWNfbG9nX2xldmVsID0gLTE7Cj4gKwkJCXJldHVybjsKPiAr CQl9Cj4gKwo+ICAgCQlvYmogPSBnZW1fYWxsb2NhdGVfZ3VjX29iaihkZXZfcHJpdiwgc2l6ZSk7 Cj4gICAJCWlmICghb2JqKSB7Cj4gICAJCQkvKiBsb2dnaW5nIHdpbGwgYmUgb2ZmICovCj4KClJl dmlld2VkLWJ5OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgoKUmVn YXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK