From mboxrd@z Thu Jan 1 00:00:00 1970 From: akash goel Subject: Re: [PATCH] drm/i915: Only move to the CPU write domain if keeping the GTT pages Date: Wed, 19 Aug 2015 19:54:25 +0530 Message-ID: References: <1438879419-15555-1-git-send-email-chris@chris-wilson.co.uk> <20150807080728.GJ17734@phenom.ffwll.local> <55C7310D.2000703@intel.com> <20150809105557.GA10889@nuc-i3427.alporthouse.com> <55C73C80.8030106@intel.com> <20150809124901.GB10889@nuc-i3427.alporthouse.com> <55C7567F.20804@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5E0486EBD7 for ; Wed, 19 Aug 2015 07:24:27 -0700 (PDT) Received: by wicja10 with SMTP id ja10so9990212wic.1 for ; Wed, 19 Aug 2015 07:24:26 -0700 (PDT) In-Reply-To: <55C7567F.20804@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Goel, Akash" Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gU3VuLCBBdWcgOSwgMjAxNSBhdCA3OjAyIFBNLCBHb2VsLCBBa2FzaCA8YWthc2guZ29lbEBp bnRlbC5jb20+IHdyb3RlOgo+Cj4KPiBPbiA4LzkvMjAxNSA2OjE5IFBNLCBDaHJpcyBXaWxzb24g d3JvdGU6Cj4+Cj4+IE9uIFN1biwgQXVnIDA5LCAyMDE1IGF0IDA1OjExOjUyUE0gKzA1MzAsIEdv ZWwsIEFrYXNoIHdyb3RlOgo+Pj4KPj4+Cj4+Pgo+Pj4gT24gOC85LzIwMTUgNDoyNSBQTSwgQ2hy aXMgV2lsc29uIHdyb3RlOgo+Pj4+Cj4+Pj4gT24gU3VuLCBBdWcgMDksIDIwMTUgYXQgMDQ6MjM6 MDFQTSArMDUzMCwgR29lbCwgQWthc2ggd3JvdGU6Cj4+Pj4+Cj4+Pj4+IE9uIDgvNy8yMDE1IDE6 MzcgUE0sIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4+Pj4+Pgo+Pj4+Pj4gSSBwcmVzdW1lIHRob3Vn aCB5b3Ugb25seSB3YW50IHRvIGF2b2lkIGNsZmx1c2ggd2hlbiBhY3R1YWxseSBwdXJnaW5nCj4+ Pj4+PiBhbgo+Pj4+Pj4gb2JqZWN0LCBzbyBtYXliZSB3ZSBjYW4ga2VlcCB0aGlzIGJ5IHB1cmdp bmcgdGhlIHNobWVtIGJhY2tpbmcgbm9kZQo+Pj4+Pj4gZmlyc3QKPj4+Pj4+IGFuZCBjaGVja2lu ZyBoZXJlIGZvciBfX0k5MTVfTUFEVl9QVVJHRUQgaW5zdGVhZD8KPj4+Pj4KPj4+Pj4KPj4+Pj4g QW4gb2JqZWN0IG1hcmtlZCBhcyBNQURWX0RPTlRfTkVFRCwgaW1wbGllcyB0aGF0IGl0IHdpbGwg YmUKPj4+Pj4gcHVyZ2VkL3RydW5jYXRlZCByaWdodCBhd2F5IGFmdGVyIHRoZSBjYWxsIHRvIHB1 dF9wYWdlc19ndHQKPj4+Pj4gZnVuY3Rpb24uCj4+Pj4+IFNvIGRvaW5nIHRoZSBvdGhlciB3YXkg cm91bmQgYnkgcHVyZ2luZyBmaXJzdCBhbmQgdGhlbiBjaGVja2luZyBmb3IKPj4+Pj4gX19JOTE1 X01BRFZfUFVSR0VELCBtaWdodCBiZSBlcXVpdmFsZW50Lgo+Pj4+Cj4+Pj4KPj4+PiBCdXQgZGlz cmVnYXJkcyBhIGZldyBuaWNlIHNhbml0eSBjaGVja3MsIHdoaWNoIEkgd291bGQgbGlrZSB0byBr ZWVwLgo+Pj4+IC1DaHJpcwo+Pj4KPj4+IEZpbmUsIGp1c3Qgd2FudGVkIHRvIGNvbnZleSB0aGF0 IGRvaW5nIHRoZSBvdGhlciB3YXkgcm91bmQgbWF5IG5vdAo+Pj4gYmUgcmVhbGx5IGJlbmVmaWNp YWwuCj4+Pgo+Pj4gQWJvdXQgdGhlIG90aGVyIHBvaW50IG9mIHZpcnR1YWxseSBpbmRleGVkL3Bo eXNpY2FsbHkgdGFnZ2VkIGNhY2hlLAo+Pj4gd291bGQgaXQgYmUgc2FmZSBqdXN0IHJlbHkgb24g dGhlIE1BRFZfRE9OVF9ORUVEIHN0YXRlIG9mIHRoZSBvYmplY3QKPj4+ICh3aGljaCBpbmRpY2F0 ZXMgdGhhdCB0aGVyZSBhcmUgbm8gYWN0aXZlIENQVSBtbWFwcGluZ3MpID8KPj4+IER1ZSB0byBh biBlYXJsaWVyIENQVSBtbWFwcGluZ3MsIHRoZXJlIGNvdWxkIGJlIGNhY2hlbGluZXMgaG9sZGlu Zwo+Pj4gdGhlIHN0YWxlIGRhdGEgPwo+Pgo+Pgo+PiBJZiB0aGUgY29uZmxpY3RzIHN1cnZpdmUg bXVubWFwKCksIEkgZG9uJ3QgaGF2ZSBhIGNsZXZlciBpZGVhIG9uIGhvdyB0bwo+PiBhdm9pZCB0 aGUgY2xmbHVzaCBiZWZvcmUgd2UgaGFuZCBiYWNrIHRoZSBwYWdlcyB0byB0aGUgc3lzdGVtLgo+ Cj4gT25lIGNhc2UgY291bGQgYmUsIGFzIHlvdSBzdWdnZXN0ZWQsIGNoZWNrIGlmIGV2ZXIgdGhl cmUgd2FzIGEgQ1BVIG1hcHBpbmcKPiBjcmVhdGVkIGZvciB0aGUgb2JqZWN0ICYgc28gYXZvaWQg dGhlIGNsZmx1c2ggZm9yIEdQVSAoR1BVICsgR1RUKSBvbmx5Cj4gb2JqZWN0cy4KPgoKV2UgaGF2 ZSB2ZXJpZmllZCAob24gQllUL0NIVikgdGhhdCBjYWNoZWxpbmVzIGNvcnJlc3BvbmRpbmcgdG8K b2JqZWN0J3MgcGFnZXMgZG8gbm90CmdldCBpbnZhbGlkYXRlZCBvbiBtdW5tYXAsIHNvIHRoZXJl IGlzIGEgcG9zc2liaWxpdHkgb2Ygc3RhbGUgZGF0YQpldmVuIHdoZW4gbm8gQ1BVIG1hcHBpbmdz IGFyZSBhY3RpdmUuCgpTbyB3ZSBuZWVkIHRvIGFtZW5kIHRoaXMgcGF0Y2ggdG8gYWxzbyBjaGVj ayBpZiBldmVyIHRoZXJlIHdhcyBhIENQVQptYXBwaW5nIGNyZWF0ZWQgZm9yIHRoZSBvYmplY3Qu CgpCZXN0IHJlZ2FyZHMKQWthc2gKCj4gQmVzdCByZWdhcmRzCj4gQWthc2gKPj4KPj4gLUNocmlz Cj4+Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJ bnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK