From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [RFC 3/5] drm/i915: Infrastructure for supporting different GGTT views per object Date: Tue, 04 Nov 2014 11:15:16 +0000 Message-ID: <5458B544.6050606@linux.intel.com> References: <1414687178-18562-1-git-send-email-tvrtko.ursulin@linux.intel.com> <1414687178-18562-4-git-send-email-tvrtko.ursulin@linux.intel.com> <20141103155821.GY26941@phenom.ffwll.local> <5457AE95.1000509@linux.intel.com> <20141103165220.GM26941@phenom.ffwll.local> <5457B957.6070102@linux.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 85D396E4F8 for ; Tue, 4 Nov 2014 03:15:37 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org Ck9uIDExLzAzLzIwMTQgMDU6MjkgUE0sIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gT24gTW9uLCBO b3YgMywgMjAxNCBhdCA2OjIwIFBNLCBUdnJ0a28gVXJzdWxpbgo+IDx0dnJ0a28udXJzdWxpbkBs aW51eC5pbnRlbC5jb20+IHdyb3RlOgo+PiBJIGRpZCBub3QgbGlrZSB5b3VyIGlkZWEsIHdlbGwg SSBkaWQgbm90IHRoaW5rIGl0IGlzIGZlYXNpYmxlIC0gYXMgaW4gZWFzaWx5Cj4+IGRvYWJsZSwg b2Ygc3RlYWxpbmcgdGhlIERNQSBhZGRyZXNzZXMgc2luY2UgdGhlIFNHIHRhYmxlcyBiZXR3ZWVu IHZpZXcgZG9uJ3QKPj4gaGF2ZSBhIDE6MSByZWxhdGlvbnNoaXAgaW4gbnVtYmVyIG9mIGNodW5r L3BhZ2VzLgo+Cj4gT2ssIHNvIHNnIHRhYmxlIGNvYWxlc2NpbmcgaXMgZ2V0dGluZyBpbiB0aGUg d2F5LiBPbiB0aGUgc291cmNlIHNnCj4gdGFibGUgc3RvcmVkIGluIG9iai0+cGFnZXMgd2UgY2Fu IGZpeCB0aGlzIGJ5IHVzaW5nIG9uZSBvZiB0aGUKPiBwZXItcGFnZSBzZyB0YWJsZSB3YWxrZXJz IC0gdGhleSdsbCB0YWtlIGNhcmUgb2YgYWxsIHRoZSBhbm5veWluZwo+IGRldGFpbHMuIFNlZSBo b3cgd2Ugd2FsayB0aGUgc2cgdGFibGVzIGluIHRoZSBwdGUgaW5zZXJ0IGZ1Y250aW9ucyBmb3IK PiBleGFtcGxlcy4KCk9idmlvdXNseSBJIGFtIGRvaW5nIHRoZSBzYW1lIGVsc2V3aGVyZS4uLgoK PiBPbiB0aGUgbmV3IHRhcmdldCBzZyB0YWJsZSBJJ2Qgc2ltcGx5IG5vdCBib3RoZXIgd2l0aCBt ZXJnaW5nIGFuZAo+IGFsbG9jYXRlIGEgZnVsbCBzZyB0YWJsZSB3aXRoIHNnX2FsbG9jX3RhYmxl LiBEdWUgdG8gdGhlIHJvdGF0aW9uCj4gdGhlcmUgd29uJ3QgYmUgYSBsb3Qgb2YgY29udGlndW91 cyBzdHVmZiBhbnl3YXkuCgpGb3IgdGhpbmdzIGxpa2UgbWlycm9yZWQgMmQvM2Qgc3RpbGwgaXQg Y291bGQgc2F2ZSBzcGFjZS4gQW5kIGl0IGtpbmQgb2YgCmZlZWxzIHN1Ym9wdGltYWwgdG8gc3Bl Y2lhbCBjYXNlIGFuZCBhZGQgbG93IGxldmVsIGNvZGUgd2hlbiB0aGVyZSBpcyBhIApuaWNlIGhl bHBlciBmdW5jdGlvbnMgd2hpY2ggaGFuZGxlcyBpdCBhbGwuCgo+IFRoYXQgbGVhdmVzIHRoZSB1 Z2x5IHByb2JsZW0gb2YgcmVzb3J0aW5nIHRoZSB0YWJsZSB3aXRob3V0IGdvaW5nCj4gbnV0cy4g RWl0aGVyIGFsbG9jYXRlIGEgdGVtcG9yYXJ5IGFycmF5IChhbGxvY2F0ZWQgd2l0aCBkcm1fbWFs bG9jX2FiCj4gc2luY2Uga21hbGxvYyB3b24ndCBiZSBlbm91Z2ggZm9yIHRoaXMpIG9mIGRtYV9h ZGRyX3QgYW5kIHVzZSB5b3VyCj4gYXBwcm9hY2guIE9yIGp1c3Qgd2FsayB0aGUgc2dfdGFibGVz IHJvdy12aXNlIG9uIHRoZSByb3RhdGUgbGF5b3V0IGFuZAo+IG9ubHkgZmlsbCBpbiB0aGUgcmVs ZXZhbnQgaG9sZXMgZm9yIGFuIE8ocm93cypudW1fcGFnZXMpIGNvbXBsZXhpdHkuIEkKPiBkb24n dCBleHBlY3QgYW55b25lIHRvIGFjdHVhbGx5IG5vdGljZSB0aGlzIGxpdHRsZSBpbmVmZmljaWVu dCB0YmggOy0pCj4KPiBJbiBzaG9ydCwgSSBkb24ndCBzZWUgYSBwcm9ibGVtIDstKQoKSSBqdXN0 IGZpbmQgaXQgYSBiaXQgdWdseSBhbmQgaGFja2lzaCB0byBwb2tlIGluIHNnIGludGVybmFscyBv bmx5IHRvIAphdm9pZCBoYXZpbmcgZ2V0X3BhZ2VzL3B1dF9wYWdlcyAoT3IgY2FsbCB0aGVtIGRp ZmZlcmVudGx5IGlmIHRoZSBuYW1lIApib3RoZXJzIHlvdSB0aGUgbW9zdC4gZ2V0X3BhZ2Vfdmll dy9wdXRfcGFnZV92aWV3IHBlcmhhcHM/KSwgZXZlbiBpZiB0aGUgCmxpZmV0aW1lIG9mIHRoYXQg dGVtcG9yYXJ5IHNnX3RhYmxlIGlzIGxpbWl0ZWQgdG8gVk1BIGNyZWF0aW9uIChhcyBpdCBpbiAK ZmFjdCB3YXMgaW4gbXkgcGF0Y2gpLgoKU28gSSBzdXBwb3NlIHdoaWxlIHlvdSBzZWUgYSB2dGFi bGUgYXMgYSAic2VyaW91cyBvdmVya2lsbCIsIEkgc2F3IGl0IGFzIAphIHdheSB0byBhdm9pZCBt ZXNzaW5nIGFyb3VuZCBpbiBzZyBpbnRlcm5hbHMgYW5kIHJldXNlIGV4aXN0aW5nIGNvZGUuIApP ciBpbiBvdGhlciB3b3JkczoKCmlmIChnZ3R0X3ZpZXctPnR5cGUgPT0gTk9STUFMKQogICBwYWdl cyA9IGdldF9ub3JtYWwoKTsKZWxzZSBpZihnZ3R0X3ZpZXctPnR5cGUgPT0gWDEpCiAgIHBhZ2Vz ID0gZ2V0X3gxKCk7CmVsc2UgaWYoZ2d0dF92aWV3LT50eXBlID09IFgyKQogICAgcGFnZXMgPSBn ZXRfeDIoKTsKCmV0Yy4uIHJhdGhlciB0aGFuIHNpbXBseToKCmlmIChnZ3R0X3ZpZXctPmdldF9w YWdlX3ZpZXcpCiAgIHBhZ2VzID0gZ2d0dF92aWV3LT5nZXRfcGFnZV92aWV3KQplbHNlCiAgICBw YWdlcyA9IG9iai0+cGFnZXM7CgpBbmQgYmUgZG9uZSB3aXRoIGl0LiBCdXQgb2YgY291cnNlIG15 IGNoYW5jZXMgb3IgbWVyZ2luZyB0aGlzIGFyZSBzbGltIAp1bmxlc3MgSSBzYXRpc2Z5IHlvdXIg dGFzdGUgc28gcGxlYXNlIGxldCBtZSBrbm93IGlmIHlvdXIgc3RhbmNlIGhlcmUgaXMgCnN0aWxs ICJ1bnNoYWtlbiIuCgpBbHNvIG9uIHRoZSBxdWVzdGlvbiBvZiBnZXR0aW5nIHJpZCBvZiBvbmUg b2YgVk1BIGlkIGFuZCBnZ3R0X3ZpZXcgdHlwZSwgCmhvdyBleGFjdGx5IGRpZCB5b3UgZW52aXNh Z2UgdGhhdD8gU2ltcGx5IHRvIGltcGx5IHRoYXQgdGhlIG9ubHkgdXNlcnMgCm9mIG11bHRpcGxl IFZNQXMgYXJlIHRoZSBHR1RUIHZpZXdzPwoKUmVnYXJkcywKClR2cnRrbwoKCgoKCgoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==