From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [RFC 2/2] drm/i915: Clean-up PPGTT on context
 destruction
Date: Mon, 23 Feb 2015 17:41:51 +0100
Message-ID: <20150223164151.GI24485@phenom.ffwll.local>
References: <1423771502-9766-1-git-send-email-rafael.barbalho@intel.com>
 <1423771502-9766-3-git-send-email-rafael.barbalho@intel.com>
 <20150212210306.GE2749@nuc-i3427.alporthouse.com>
 <20150213095546.GJ24485@phenom.ffwll.local>
 <20150213103451.GI2749@nuc-i3427.alporthouse.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mail-wi0-f178.google.com (mail-wi0-f178.google.com
 [209.85.212.178])
 by gabe.freedesktop.org (Postfix) with ESMTP id C12706E44C
 for <intel-gfx@lists.freedesktop.org>; Mon, 23 Feb 2015 08:40:13 -0800 (PST)
Received: by mail-wi0-f178.google.com with SMTP id em10so18846817wid.5
 for <intel-gfx@lists.freedesktop.org>; Mon, 23 Feb 2015 08:40:13 -0800 (PST)
Content-Disposition: inline
In-Reply-To: <20150213103451.GI2749@nuc-i3427.alporthouse.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Chris Wilson <chris@chris-wilson.co.uk>, Daniel Vetter <daniel@ffwll.ch>, rafael.barbalho@intel.com, intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

T24gRnJpLCBGZWIgMTMsIDIwMTUgYXQgMTA6MzQ6NTFBTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy
b3RlOgo+IE9uIEZyaSwgRmViIDEzLCAyMDE1IGF0IDEwOjU1OjQ2QU0gKzAxMDAsIERhbmllbCBW
ZXR0ZXIgd3JvdGU6Cj4gPiBPbiBUaHUsIEZlYiAxMiwgMjAxNSBhdCAwOTowMzowNlBNICswMDAw
LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiA+IE9uIFRodSwgRmViIDEyLCAyMDE1IGF0IDA4OjA1
OjAyUE0gKzAwMDAsIHJhZmFlbC5iYXJiYWxob0BpbnRlbC5jb20gd3JvdGU6Cj4gPiA+ID4gRnJv
bTogUmFmYWVsIEJhcmJhbGhvIDxyYWZhZWwuYmFyYmFsaG9AaW50ZWwuY29tPgo+ID4gPiA+IAo+
ID4gPiA+IFdpdGggZnVsbCBQUEdUVCBlbmFibGVkIGFuIG9iamVjdCdzIFZNQSBlbnRyeSBpbnRv
IGEgUFBHVFQgVk0gbmVlZHMgdG8gYmUKPiA+ID4gPiBjbGVhbmVkIHVwIHNvIHRoYXQgdGhlIFBQ
R1RUIFBERSAmIFBURSBhbGxvY2F0aW9ucyBjYW4gYmUgZnJlZWQuCj4gPiA+ID4gCj4gPiA+ID4g
VGhpcyBwcm9ibGVtIG9ubHkgc2hvd3MgdXAgd2l0aCBmdWxsIFBQR1RUIGJlY2F1c2UgYW4gb2Jq
ZWN0J3MgVk1BIGlzCj4gPiA+ID4gb25seSBjbGVhbmVkLXVwIHdoZW4gdGhlIG9iamVjdCBpcyBk
ZXN0cm95ZWQuIEhvd2V2ZXIsIGlmIHRoZSBvYmplY3QgaGFzCj4gPiA+ID4gYmVlbiBzaGFyZWQg
YmV0d2VlbiBtdWx0aXBsZSBwcm9jZXNzZXMgdGhpcyBtYXkgbm90IGhhcHBlbiwgd2hpY2ggbGVh
ZHMgdG8KPiA+ID4gPiByZWZlcmVuY2VzIHRvIHRoZSBQUEdUVCBzdGlsbCBiZWluZyBrZXB0IHRo
ZSBvYmplY3Qgd2FzIHNoYXJlZC4KPiA+ID4gPiAKPiA+ID4gPiBVbmRlciBhbmRyb2lkIHRoZSBz
aGFyaW5nIG9mIEdFTSBvYmplY3RzIGlzIGEgZmFpcmx5IGNvbW1vbiBvcGVyYXRpb24sIHRodXMK
PiA+ID4gPiB0aGUgY2xlYW4tdXAgaGFzIHRvIGJlIG1vcmUgYWdyZXNzaXZlLgo+ID4gPiAKPiA+
ID4gTm90IHF1aXRlLiBZb3UgbmVlZCBhbiBhY3RpdmUgcmVmY291bnQgYXMgd2UgZG8gbm90IGV4
cGVjdCBjbG9zZShmZCkgdG8KPiA+ID4gc3RhbGwuIFRoZSB0cmljayBpcyB0byAic2ltcGx5IiB1
c2UgcmVxdWVzdHMgdG8gcmV0aXJlIHZtYSAoYXMgd2VsbCBhcwo+ID4gPiB0aGUgb2JqZWN0IG1h
bmFnZW1lbnQgaXQgZG9lcyB0b2RheSwgdGhvdWdoIHRoYXQganVzdCBiZWNvbWVzIGEgc2Vjb25k
Cj4gPiA+IGxheWVyIGZvciBHRU0gQVBJIG1hbmFnZW1lbnQsIGV2ZXJ5dGhpbmcgZWxzZSBnb2Vz
IHRocm91Z2ggdm1hKS4KPiA+IAo+ID4gTGlua2luZyBpbnRvIHRoZSBjdHggdW5yZWYgc2hvdWxk
IGdpdmUgdXMgdGhhdCBmb3IgZnJlZSBzaW5jZSByZXF1ZXN0cyBkbwo+ID4gaG9sZCBhIHJlZmVy
ZW5jZSBvbiB0aGUgY29udGV4dC4gU28gdGhpcyB3aWxsIG9ubHkgYmUgcnVuIHdoZW4gdGhlIGJ1
ZmZlcnMKPiA+IGFyZSBpZGxlLgo+ID4gCj4gPiBXZWxsIGV4Y2VwdCB0aGF0IG91ciB1bmJpbmQg
Y29kZSBpcyB0b28gZGVuc2UgdG8gZG8gdGhhdCBjb3JyZWN0bHkgZm9yCj4gPiBzaGFyZWQgYnVm
ZmVycywgc28gd2UgbmVlZCB0byBtb3ZlIG9iai0+YWN0aXZlIHRvIHZtYS0+YWN0aXZlIGZpcnN0
Lgo+IAo+IFdlIHVuYmluZCB2bWEsIHNvIHdoYXQgZG8geW91IG1lYW4/CgpUaGUgdW5iaW5kIG9m
IHRoZSB2bWEgd2lsbCBibG9jayBzaW5jZSB3ZSB0cmFjayBhY3RpdmUgcGVyLW9iaiBpbnN0ZWFk
IG9mCnBlci12bWEuIFdoaWNoIGlzIGtpbmRhIG5vdCB0aGF0IGNvb2wgZm9yIGEga3JlZl9wdXQg
Y2xlYW51cCBmdW5jdGlvbi4KCkJ1dCB5ZWFoIHRoZSBiZWxvdyBpcyB3aGF0IEkgaGFkIGluIG1p
bmQgdG9vLCB3aXRoIHRoZSBtZW50aW9uZWQgbnVpc2FuY2UKZml4ZWQuCi1EYW5pZWwKCj4gCj4g
VGhpcyBpcyBob3cgSSBmb3JzZWUgdGhlIGNvZGU6Cj4gCj4gc3RhdGljIGludCBjb250ZXh0X2lk
cl9jbGVhbnVwKGludCBpZCwgdm9pZCAqcCwgdm9pZCAqZGF0YSkKPiB7Cj4gICAgICAgICBzdHJ1
Y3QgaW50ZWxfY29udGV4dCAqY3R4ID0gcDsKPiAKPiAgICAgICAgIGlmIChjdHgtPnBwZ3R0ICYm
ICFpOTE1X2dlbV9jb250ZXh0X2lzX2RlZmF1bHQoY3R4KSkgewo+ICAgICAgICAgICAgICAgICBz
dHJ1Y3QgbGlzdF9oZWFkICpsaXN0Owo+ICAgICAgICAgICAgICAgICBzdHJ1Y3QgaTkxNV92bWEg
KnZtYTsKPiAKPiAgICAgICAgICAgICAgICAgLyogRGVjb3VwbGUgdGhlIHJlbWFpbmluZyB2bWEg
dG8ga2VlcCB0aGUgbmV4dCBsb29rdXAgZmFzdCAqLwo+ICAgICAgICAgICAgICAgICBsaXN0ID0g
JmN0eC0+cHBndHQtPmJhc2Uudm1hX2xpc3Q7Cj4gICAgICAgICAgICAgICAgIHdoaWxlICghbGlz
dF9lbXB0eShsaXN0KSkgewo+ICAgICAgICAgICAgICAgICAgICAgICAgIHZtYSA9IGxpc3RfZmly
c3RfZW50cnkobGlzdCwgdHlwZW9mKCp2bWEpLCB2bV9saW5rKTsKPiAgICAgICAgICAgICAgICAg
ICAgICAgICBsaXN0X2RlbF9pbml0KCZ2bWEtPnZtX2xpbmspOwo+ICAgICAgICAgICAgICAgICAg
ICAgICAgIGxpc3RfZGVsX2luaXQoJnZtYS0+b2JqX2xpbmspOwo+ICAgICAgICAgICAgICAgICAg
ICAgICAgIGk5MTVfdm1hX3B1dCh2bWEpOwo+ICAgICAgICAgICAgICAgICB9Cj4gCj4gICAgICAg
ICAgICAgICAgIC8qIERyb3AgYWN0aXZlIHJlZmVyZW5jZXMgdG8gdGhpcyB2bSB1cG9uIHJldGly
ZSAqLwo+ICAgICAgICAgICAgICAgICBjdHgtPnBwZ3R0LT5iYXNlLmNsb3NlZCA9IHRydWU7Cj4g
Cj4gICAgICAgICAgICAgICAgIC8qIERyb3AgYWxsIGluYWN0aXZlIHJlZmVyZW5jZXMgKHZpYSB2
bWEtPnZtIHJlZmVyZW5jZSkgKi8KPiAgICAgICAgICAgICAgICAgbGlzdCA9ICZjdHgtPnBwZ3R0
LT5iYXNlLmluYWN0aXZlX2xpc3Q7Cj4gICAgICAgICAgICAgICAgIHdoaWxlICghbGlzdF9lbXB0
eShsaXN0KSkgewo+ICAgICAgICAgICAgICAgICAgICAgICAgIHN0cnVjdCBkcm1faTkxNV9nZW1f
b2JqZWN0ICpvYmo7Cj4gICAgICAgICAgICAgICAgICAgICAgICAgaW50IHJldDsKPiAKPiAgICAg
ICAgICAgICAgICAgICAgICAgICB2bWEgPSBsaXN0X2ZpcnN0X2VudHJ5KGxpc3QsIHR5cGVvZigq
dm1hKSwgbW1fbGlzdCk7Cj4gICAgICAgICAgICAgICAgICAgICAgICAgb2JqID0gdm1hLT5vYmo7
Cj4gCj4gICAgICAgICAgICAgICAgICAgICAgICAgZHJtX2dlbV9vYmplY3RfcmVmZXJlbmNlKCZv
YmotPmJhc2UpOwo+ICAgICAgICAgICAgICAgICAgICAgICAgIHJldCA9IGk5MTVfdm1hX3VuYmlu
ZCh2bWEpOwo+ICAgICAgICAgICAgICAgICAgICAgICAgIGRybV9nZW1fb2JqZWN0X3VucmVmZXJl
bmNlKCZvYmotPmJhc2UpOwo+ICAgICAgICAgICAgICAgICAgICAgICAgIGlmIChXQVJOX09OKHJl
dCkpCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBicmVhazsKPiAgICAgICAgICAg
ICAgICAgfQo+ICAgICAgICAgfQo+IAo+ICAgICAgICAgY3R4LT5maWxlX3ByaXYgPSBOVUxMOwo+
ICAgICAgICAgaTkxNV9nZW1fY29udGV4dF91bnJlZmVyZW5jZShjdHgpOwo+IAo+ICAgICAgICAg
cmV0dXJuIDA7Cj4gfQo+IC1DaHJpcwo+IAo+IC0tIAo+IENocmlzIFdpbHNvbiwgSW50ZWwgT3Bl
biBTb3VyY2UgVGVjaG5vbG9neSBDZW50cmUKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVu
Z2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgorNDEgKDApIDc5IDM2NSA1NyA0OCAtIGh0dHA6Ly9i
bG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y
ZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4
Cg==