From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/2] drm/i915/execlists: HWS is uncached on !llc platforms Date: Fri, 23 Oct 2015 22:36:46 +0300 Message-ID: <20151023193646.GE26517@intel.com> References: <1445622212-32604-1-git-send-email-chris@chris-wilson.co.uk> <20151023175042.GB26517@intel.com> <20151023175641.GA21481@nuc-i3427.alporthouse.com> <20151023182238.GC26517@intel.com> <20151023182908.GB21481@nuc-i3427.alporthouse.com> <20151023184129.GD26517@intel.com> <20151023190834.GA12022@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 7846F6E2A4 for ; Fri, 23 Oct 2015 12:36:50 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20151023190834.GA12022@nuc-i3427.alporthouse.com> 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 T24gRnJpLCBPY3QgMjMsIDIwMTUgYXQgMDg6MDg6MzRQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IE9uIEZyaSwgT2N0IDIzLCAyMDE1IGF0IDA5OjQxOjI5UE0gKzAzMDAsIFZpbGxlIFN5 cmrDpGzDpCB3cm90ZToKPiA+IE9uIEZyaSwgT2N0IDIzLCAyMDE1IGF0IDA3OjI5OjA4UE0gKzAx MDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiA+ID4gT24gRnJpLCBPY3QgMjMsIDIwMTUgYXQgMDk6 MjI6MzhQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOkIHdyb3RlOgo+ID4gPiA+IE9uIEZyaSwgT2N0 IDIzLCAyMDE1IGF0IDA2OjU2OjQxUE0gKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiA+ID4g PiA+IE9uIEZyaSwgT2N0IDIzLCAyMDE1IGF0IDA4OjUwOjQyUE0gKzAzMDAsIFZpbGxlIFN5cmrD pGzDpCB3cm90ZToKPiA+ID4gPiA+ID4gT24gRnJpLCBPY3QgMjMsIDIwMTUgYXQgMDY6NDM6MzFQ TSArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ID4gPiA+ID4gPiA+IEFzIHRoZSBIV1MgaXMg bWFwcGVkIGludG8gdGhlIEdQVSBhcyB1bmNhY2hlZCwKPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+ IFNpbmNlIHdoZW4/Cj4gPiA+ID4gPiAKPiA+ID4gPiA+IFNpbmNlIGl0IGlzIGVtYmVkZGVkIGlu dG8gZXhlY2xpc3RzJyBkZWZhdWx0IGNvbnRleHQgd2hpY2ggaXMgYWxsb2NhdGVkCj4gPiA+ID4g PiB1c2luZyB0aGUgc3lzdGVtIGRlZmF1bHQgY2FjaGUgbGV2ZWwsIGkuZS4gdW5jYWNoZWQgb24g IWxsYy4gU2VlCj4gPiA+ID4gPiBpbnRlbF9scl9jb250ZXh0X2RlZmVycmVkX2FsbG9jKCkKPiA+ ID4gPiAKPiA+ID4gPiBPaCByaWdodC4gVGhhdCBkb2Vzbid0IGFjdHVhbGx5IG1hdHRlciBzaW5j ZSBpdCdzIG1hcHBlZCB0aHJvdWdoIGdndHQKPiA+ID4gPiB3aGljaCBtZWFucyBpdCBhbHdheXMg Z29lcyB0aHJvdWdoIFBBVCAwLgo+ID4gPiAKPiA+ID4gT2gsIHRoYXQgYWdhaW4uIERvZXNuJ3Qg dGhhdCBtZWFuIHdlIGJyb2tlIGk5MTUuZW5hYmxlX3BwZ3R0PTA/Cj4gPiAKPiA+IEp1c3QgbWVh bnMgZXZlcnl0aGluZyBpcyBzbm9vcGVkIGluIHRoYXQgY2FzZS4gQXMgbG9uZyBhcyB0aGUgaGFy ZHdhcmUKPiA+IGRvZXNuJ3QgZ2V0IHRvbyB1cHNldCBhYm91dCBhbGwgdGhlIHNub29waW5nIGl0 IHNob3VsZCB3b3JrLiBDYW4ndAo+ID4gcmVhbGx5IHJlY2FsbCBpZiBJIGFjdHVhbGx5IHRyaWVk IGl0IHRob3VnaC4gSSB0aGluayBJIGRpZC4KPiAKPiBKdXN0IHdvbmRlcmluZyBpZiBpdCBtZWFu cyB3ZSBzdGFydCBnZXR0aW5nIGNhY2hlbGluZSBkaXJ0IG9uIHRoZQo+IHNjYW5vdXQuIFRob3Vn aCBzaW5jZSBzbm9vcGluZyBvbmx5IG9jY3VycyBvbiBmbHVzaGVzLCBJIGd1ZXNzIGl0Cj4gYWN0 dWFsbHkgbWVhbnMgaXQgaGl0cyB0aGUgYmFja2luZyBzdG9yYWdlIGFuZCB0aGVuIGlzIHB1c2hl ZCBpbnRvIHRoZQo+IGNwdSBjYWNoZS4gVGhlIG90aGVyIHdvcnJ5IGlzIHdoZXRoZXIgd2UgYXJl IHRoZW4gZ2VuZXJhdGluZyBmc2Igc25vb3AKPiB0cmFmZmljIG9uIGV2ZXJ5IGNvbnRleHQgc3dp dGNoLiBKdXN0IGlkbGUgdGhvdWdodHMgYXMgSSByZWFsaXNlIEkgZG9uJ3QKPiBrbm93IGFzIG11 Y2ggYWJvdXQgc25vb3BpbmcgYXMgSSdkIGxpa2UuCgpUQkggSSBuZXZlciBnYXZlICFwcGd0dCB0 b28gbXVjaCB0aG91Z2h0LgoKVGhlIHNub29wcyBmb3IgdGhlIGNvbnRleHQgc3dpdGNoZXMgaGF2 ZSBjcm9zc2VkIG15IG1pbmQuIEkgd2FzCnRoaW5raW5nIHRoYXQgbWF5YmUgd2UgY291bGQgbWFw IHRoZSBzdGF0dXMgcGFnZSB0aHJvdWdoIHBwZ3R0IGFuZAp0aGUgcmVzdCBvZiB0aGUgY29udGV4 dCB0aHJvdWdoIGdndHQsIGFuZCB0aGVuIHdlIGNvdWxkIG1ha2UgdGhlClBBVCAwIG5vbi1zbm9v cGVkLiBCdXQgbG9va3MgbGlrZSB0aGUgcGVyLXByb2Nlc3Mgc3RhdHVzIHBhZ2Ugc3RpbGwKbmVl ZHMgdG8gYmUgbWFwcGVkIHRocm91Z2ggdGhlIGdndHQuCgpCdXQgbWF5YmUgd2UgY291bGQgYWxz byBtYXAgaXQgdGhyb3VnaCB0aGUgcHBndHQgYW5kIHVzZSB0aGUgcHBndHQKbWFwcGluZyBmb3Ig c2Vxbm8gd3JpdGVzPyBUaGF0J3MgYXNzdW1pbmcgd2UgZG9uJ3QgbmVlZCB0byBsb29rIGF0Cndo YXRldmVyIGVsc2UgZ2V0cyBzdG9yZWQgaW4gdGhlIHN0YXR1cyBwYWdlIHRocm91Z2ggdGhlIGdn dHQgbWFwcGluZy4KCk9yIEkgc3VwcG9zZSB3ZSBjb3VsZCB0YWtlIHlvdSBhcHByb2FjaCBhbmQg anVzdCBtYWtlIGdndHQgbm9uLXNub29wZWQKYW5kIHRha2UgdGhlIGNsZmx1c2ggaGl0IGZvciBz ZXFubyByZWFkcy4gTm8gaWRlYSB3aGljaCBpcyB3b3JzZS4gV291bGQKbmVlZCB0byBnYXRoZXIg c29tZSBudW1iZXJzIEkgc3VwcG9zZS4KCi0tIApWaWxsZSBTeXJqw6Rsw6QKSW50ZWwgT1RDCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==