From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH] drm/i915: Only force GGTT coherency w/a on required chipsets Date: Fri, 20 Jul 2018 17:37:43 +0100 Message-ID: <153210466312.13721.16126478852822870620@skylake-alporthouse-com> References: <20180720075931.14362-1-chris@chris-wilson.co.uk> <20180720101910.11153-1-chris@chris-wilson.co.uk> <2e0dec84-a05e-4dd0-0c77-9f342e84f8f9@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id A39676EF0D for ; Fri, 20 Jul 2018 16:37:49 +0000 (UTC) In-Reply-To: <2e0dec84-a05e-4dd0-0c77-9f342e84f8f9@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Tvrtko Ursulin , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org UXVvdGluZyBUdnJ0a28gVXJzdWxpbiAoMjAxOC0wNy0yMCAxNjoxMzoxNCkKPiAKPiBPbiAyMC8w Ny8yMDE4IDExOjE5LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiArLyoKPiA+ICsgKiBPbmNlIHVw b24gYSB0aW1lIHdlIHN1cHBvc2VkIHRoYXQgd3JpdGVzIHRocm91Z2ggdGhlIEdHVFQgd291bGQg YmUKPiA+ICsgKiBpbW1lZGlhdGVseSBpbiBwaHlzaWNhbCBtZW1vcnkgKG9uY2UgZmx1c2hlZCBv dXQgb2YgdGhlIENQVSBwYXRoKS4gSG93ZXZlciwKPiA+ICsgKiBvbiBhIGZldyBkaWZmZXJlbnQg cHJvY2Vzc29ycyBhbmQgY2hpcHNldHMsIHRoaXMgaXMgbm90IG5lY2Vzc2FyaWx5IHRoZSBjYXNl Cj4gPiArICogYXMgdGhlIHdyaXRlcyBhcHBlYXIgdG8gYmUgYnVmZmVyZWQgaW50ZXJuYWxseS4g VGh1cyBhIHJlYWQgb2YgdGhlIGJhY2tpbmcKPiA+ICsgKiBzdG9yYWdlIChwaHlzaWNhbCBtZW1v cnkpIHZpYSBhIGRpZmZlcmVudCBwYXRoICh3aXRoIGRpZmZlcmVudCBwaHlzaWNhbCB0YWdzCj4g PiArICogdG8gdGhlIGluZGlyZWN0IHdyaXRlIHZpYSB0aGUgR0dUVCkgd2lsbCBzZWUgc3RhbGUg dmFsdWVzIGZyb20gYmVmb3JlCj4gPiArICogdGhlIEdHVFQgd3JpdGUuIEluc2lkZSB0aGUga2Vy bmVsLCB3ZSBjYW4gZm9yIHRoZSBtb3N0IHBhcnQga2VlcCB0cmFjayBvZgo+ID4gKyAqIHRoZSBk aWZmZXJlbnQgcmVhZC93cml0ZSBkb21haW5zIGluIHVzZSAoZS5nLiBzZXQtZG9tYWluKSwgYnV0 IHRoZSBhc3N1bXB0aW9uCj4gPiArICogb2YgY29oZXJlbmN5IGlzIGJha2VkIGludG8gdGhlIEFC SSwgaGVuY2UgcmVwb3J0aW5nIGl0cyB0cnVlIHN0YXRlIGluIHRoaXMKPiA+ICsgKiBwYXJhbWV0 ZXIuCj4gPiArICoKPiA+ICsgKiBJZiBzZXQgdG8gdHJ1ZSwgd3JpdGVzIHZpYSBtbWFwX2d0dCBh cmUgaW1tZWRpYXRlbHkgdmlzaWJsZSBmb2xsb3dpbmcgYW4KPiA+ICsgKiBsZmVuY2UgdG8gZmx1 c2ggdGhlIFdDQi4KPiA+ICsgKgo+ID4gKyAqIElmIHNldCB0byBmYWxzZSwgd3JpdGVzIHZpYSBt bWFwX2d0dCBhcmUgaW5kZXRlcm1pbmF0bmx5IGRlbGF5ZWQgaW4gYW4gaW4KPiA+ICsgKiBpbnRl cm5hbCBidWZmZXIgYW5kIGFyZSBfbm90XyBpbW1lZGlhdGVseSB2aXNpYmxlIHRvIHRoaXJkIHBh cnRpZXMgYWNjZXNzaW5nCj4gPiArICogZGlyZWN0bHkgdmlhIG1tYXBfY3B1L21tYXBfd2MuIFVz ZSBvZiBtbWFwX2d0dCBhcyBwYXJ0IG9mIGFuIElQQwo+ID4gKyAqIGNvbW11bmljYXRpb25zIGNo YW5uZWwgd2hlbiBzZXQgdG8gZmFsc2UgaXMgc3Ryb25nbHkgZGlzYWR2aXNlZC4KPiAKPiBJIHdv dWxkIHBlcmhhcHMgY2hhbmdlIHRoZSBsYW5ndWFnZSBmcm9tICJzZXQgdG8gdHJ1ZS9mYWxzZSIg dG8gCj4gInJlcG9ydGVkIGFzIHRydWUvZmFsc2UiLgoKcy9zZXQvcmVwb3J0ZWQvIGFuZCBwdXNo ZWQuIFRoYW5rcyBmb3IgdGhlIHJldmlld3MsCi1DaHJpcwpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK