From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C579EC4724C for ; Fri, 1 May 2020 11:34:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B029D2076D for ; Fri, 1 May 2020 11:34:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728729AbgEALeb (ORCPT ); Fri, 1 May 2020 07:34:31 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([146.101.78.151]:54887 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728622AbgEALea (ORCPT ); Fri, 1 May 2020 07:34:30 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-189-ih3s90vDOeiTt87Dj966jA-1; Fri, 01 May 2020 12:34:27 +0100 X-MC-Unique: ih3s90vDOeiTt87Dj966jA-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 1 May 2020 12:34:26 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Fri, 1 May 2020 12:34:26 +0100 From: David Laight To: 'Sebastian Andrzej Siewior' , "Jason A. Donenfeld" CC: "linux-kernel@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "tglx@linutronix.de" , "chris@chris-wilson.co.uk" , "stable@vger.kernel.org" Subject: RE: [PATCH] drm/i915: check to see if SIMD registers are available before using SIMD Thread-Topic: [PATCH] drm/i915: check to see if SIMD registers are available before using SIMD Thread-Index: AQHWH6U0cN7TmxB4q0iIXnE8CfKG+KiTGDPQ Date: Fri, 1 May 2020 11:34:26 +0000 Message-ID: <21391cdac137449ab82c1fb5444eeb66@AcuMS.aculab.com> References: <20200430221016.3866-1-Jason@zx2c4.com> <20200501104215.s2eftchxm66lmbvj@linutronix.de> In-Reply-To: <20200501104215.s2eftchxm66lmbvj@linutronix.de> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogU2ViYXN0aWFuIEFuZHJ6ZWogU2lld2lvcg0KPiBTZW50OiAwMSBNYXkgMjAyMCAxMTo0 Mg0KPiBPbiAyMDIwLTA0LTMwIDE2OjEwOjE2IFstMDYwMF0sIEphc29uIEEuIERvbmVuZmVsZCB3 cm90ZToNCj4gPiBTb21ldGltZXMgaXQncyBub3Qgb2theSB0byB1c2UgU0lNRCByZWdpc3RlcnMs IHRoZSBjb25kaXRpb25zIGZvciB3aGljaA0KPiA+IGhhdmUgY2hhbmdlZCBzdWJ0bHkgZnJvbSBr ZXJuZWwgcmVsZWFzZSB0byBrZXJuZWwgcmVsZWFzZS4gVXN1YWxseSB0aGUNCj4gPiBwYXR0ZXJu IGlzIHRvIGNoZWNrIGZvciBtYXlfdXNlX3NpbWQoKSBhbmQgdGhlbiBmYWxsYmFjayB0byB1c2lu Zw0KPiA+IHNvbWV0aGluZyBzbG93ZXIgaW4gdGhlIHVubGlrZWx5IGNhc2UgU0lNRCByZWdpc3Rl cnMgYXJlbid0IGF2YWlsYWJsZS4NCj4gPiBTbywgdGhpcyBwYXRjaCBmaXhlcyB1cCBpOTE1J3Mg YWNjZWxlcmF0ZWQgbWVtY3B5IHJvdXRpbmVzIHRvIGZhbGxiYWNrDQo+ID4gdG8gYm9yaW5nIG1l bWNweSBpZiBtYXlfdXNlX3NpbWQoKSBpcyBmYWxzZS4NCj4gDQo+IFRoYXQgd291bGQgaW5kaWNh dGUgdGhhdCB0aGVzZSBmdW5jdGlvbnMgYXJlIHVzZWQgZnJvbSBJUlEvc29mdGlycSB3aGljaA0K PiBicmVhayBvdGhlcndpc2UgaWYgdGhlIGtlcm5lbCBpcyBhbHNvIHVzaW5nIHRoZSByZWdpc3Rl cnMuIFRoZSBjcnlwdG8NCj4gY29kZSB1c2VzIGl0IGZvciB0aGF0IHB1cnBvc2UuDQo+IA0KPiBT bw0KPiAgICBSZXZpZXdlZC1ieTogU2ViYXN0aWFuIEFuZHJ6ZWogU2lld2lvciA8YmlnZWFzeUBs aW51dHJvbml4LmRlPg0KPiANCj4gTWF5IEkgYXNrIGhvdyBsYXJnZSB0aGUgbWVtY3B5IGNhbiBi ZT8gSSdtIGFza2luZyBpbiBjYXNlIGl0IGlzIGxhcmdlDQo+IGFuZCBhbiBleHBsaWNpdCByZXNj aGVkdWxpbmcgcG9pbnQgbWlnaHQgYmUgbmVlZGVkLg0KDQpJdCBpcyBhbHNvIHF1aXRlIGxpa2Vs eSB0aGF0IGEgJ3JlcCBtb3ZzJyBjb3B5IHdpbGwgYmUgYXQgbGVhc3QganVzdCBhcw0KZmFzdCBv biBtb2Rlcm4gaGFyZHdhcmUuDQoNCkNsZWFybHkgaWYgeW91IGFyZSBjb3B5aW5nIHRvL2Zyb20g UENJZSBtZW1vcnkgeW91IG5lZWQgdGhlIGxhcmdlc3QNCnJlc2lzdGVycyBwb3NzaWJsZSAtIGJ1 dCBJIHRoaW5rIHRoZSBncmFwaGljcyBidWZmZXJzIGFyZSBtYXBwZWQgY2FjaGVkPw0KKE90aGVy d2lzZSBJIHdvdWxkbid0IHNlZSAzbXMgJ3NwaW5zJyB3aGlsZSBpdCBpbnZhbGlkYXRlcyB0aGUN CmVudGlyZSBzY3JlZW4gYnVmZmVyIGNhY2hlLikNCg0KCURhdmlkDQoNCi0NClJlZ2lzdGVyZWQg QWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBNaWx0b24gS2V5bmVz LCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxlcykNCg==