From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Spotswood <john.a.spotswood@intel.com>
Subject: Re: [PATCH v2] drm/i915/guc: updated suspend/resume
 protocol
Date: Tue, 16 Apr 2019 16:16:01 -0700
Message-ID: <1555456561.21178.30.camel@intel.com>
References: <20190411084436.24384-8-michal.wajdeczko@intel.com>
 <20190413002059.27743-1-daniele.ceraolospurio@intel.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 mga07.intel.com (mga07.intel.com [134.134.136.100])
 by gabe.freedesktop.org (Postfix) with ESMTPS id 6EAC989DEC
 for <intel-gfx@lists.freedesktop.org>; Tue, 16 Apr 2019 23:16:02 +0000 (UTC)
In-Reply-To: <20190413002059.27743-1-daniele.ceraolospurio@intel.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://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: <https://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: "Ceraolo Spurio, Daniele" <daniele.ceraolospurio@intel.com>, "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
List-Id: intel-gfx@lists.freedesktop.org

T24gRnJpLCAyMDE5LTA0LTEyIGF0IDE3OjIwIC0wNzAwLCBDZXJhb2xvIFNwdXJpbywgRGFuaWVs
ZSB3cm90ZToKPiBGcm9tOiBNaWNoYWwgV2FqZGVjemtvIDxtaWNoYWwud2FqZGVjemtvQGludGVs
LmNvbT4KPiAKPiBOZXcgR3VDIGZpcm13YXJlcyB1c2UgdXBkYXRlZCBzbGVlcCBzdGF0dXMgZGVm
aW5pdGlvbnMuCj4gVGhlIHBvbGxpbmcgb24gc2NyYXRjaCByZWdpc3RlciAxNCBpcyBhbHNvIG5v
dyByZXF1aXJlZCBvbmx5IG9uCj4gc3VzcGVuZAo+IGFuZCB0aGVyZSBpcyBubyBuZWVkIHRvIHBy
b3ZpZGUgdGhlIHNoYXJlZCBwYWdlLgo+IAo+IHYyOiBpbmNsdWRlIGNoYW5nZXMgZm9yIHBvbGxp
bmcgYW5kIHNoYXJlZCBwYWdlCj4gCj4gU2lnbmVkLW9mZi1ieTogTWljaGFsIFdhamRlY3prbyA8
bWljaGFsLndhamRlY3prb0BpbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogRGFuaWVsZSBDZXJh
b2xvIFNwdXJpbyA8ZGFuaWVsZS5jZXJhb2xvc3B1cmlvQGludGVsLmNvCj4gbT4KPiBDYzogSm9v
bmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29tPgo+IENjOiBKb2hu
IFNwb3Rzd29vZCA8am9obi5hLnNwb3Rzd29vZEBpbnRlbC5jb20+CgpSZXZpZXdlZC1ieTogSm9o
biBTcG90c3dvb2QgPGpvaG4uYS5zcG90c3dvb2RAaW50ZWwuY29tPgoKPiAtLS0KPiDCoGRyaXZl
cnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Yy5jwqDCoMKgwqDCoMKgfCA1MCArKysrKysrKysrKy0t
LS0tLS0tLS0tLQo+IC0tLS0KPiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Y19md2lm
LmggfMKgwqA2ICsrLS0KPiDCoDIgZmlsZXMgY2hhbmdlZCwgMjQgaW5zZXJ0aW9ucygrKSwgMzIg
ZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs
X2d1Yy5jCj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ndWMuYwo+IGluZGV4IDQ4M2M3
MDE5ZjgxNy4uY2Y5NDNlYjc1MzdjIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1
L2ludGVsX2d1Yy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZ3VjLmMKPiBA
QCAtNTM5LDI1ICs1MzksMzMgQEAgaW50IGludGVsX2d1Y19hdXRoX2h1YyhzdHJ1Y3QgaW50ZWxf
Z3VjICpndWMsCj4gdTMyIHJzYV9vZmZzZXQpCj4gwqAJcmV0dXJuIGludGVsX2d1Y19zZW5kKGd1
YywgYWN0aW9uLCBBUlJBWV9TSVpFKGFjdGlvbikpOwo+IMKgfQo+IMKgCj4gLS8qCj4gLSAqIFRo
ZSBFTlRFUi9FWElUX1NfU1RBVEUgYWN0aW9ucyBxdWV1ZSB0aGUgc2F2ZS9yZXN0b3JlIG9wZXJh
dGlvbgo+IGluIEd1QyBGVyBhbmQKPiAtICogdGhlbiByZXR1cm4sIHNvIHdhaXRpbmcgb24gdGhl
IEgyRyBpcyBub3QgZW5vdWdoIHRvIGd1YXJhbnRlZSBHdUMKPiBpcyBkb25lLgo+IC0gKiBXaGVu
IGFsbCB0aGUgcHJvY2Vzc2luZyBpcyBkb25lLCBHdUMgd3JpdGVzCj4gSU5URUxfR1VDX1NMRUVQ
X1NUQVRFX1NVQ0NFU1MgdG8KPiAtICogc2NyYXRjaCByZWdpc3RlciAxNCwgc28gd2UgY2FuIHBv
bGwgb24gdGhhdC4gTm90ZSB0aGF0IEd1QyBkb2VzCj4gbm90IGVuc3VyZQo+IC0gKiB0aGF0IHRo
ZSB2YWx1ZSBpbiB0aGUgcmVnaXN0ZXIgaXMgZGlmZmVyZW50IGZyb20KPiAtICogSU5URUxfR1VD
X1NMRUVQX1NUQVRFX1NVQ0NFU1Mgd2hpbGUgdGhlIGFjdGlvbiBpcyBpbiBwcm9ncmVzcyBzbwo+
IHdlIG5lZWQgdG8KPiAtICogdGFrZSBjYXJlIG9mIHRoYXQgb3Vyc2VsdmVzIGFzIHdlbGwuCj4g
Ky8qKgo+ICsgKiBpbnRlbF9ndWNfc3VzcGVuZCgpIC0gbm90aWZ5IEd1QyBlbnRlcmluZyBzdXNw
ZW5kIHN0YXRlCj4gKyAqIEBndWM6CXRoZSBndWMKPiDCoCAqLwo+IC1zdGF0aWMgaW50IGd1Y19z
bGVlcF9zdGF0ZV9hY3Rpb24oc3RydWN0IGludGVsX2d1YyAqZ3VjLAo+IC0JCQkJwqDCoGNvbnN0
IHUzMiAqYWN0aW9uLCB1MzIgbGVuKQo+ICtpbnQgaW50ZWxfZ3VjX3N1c3BlbmQoc3RydWN0IGlu
dGVsX2d1YyAqZ3VjKQo+IMKgewo+IMKgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJp
diA9IGd1Y190b19pOTE1KGd1Yyk7Cj4gwqAJaW50IHJldDsKPiDCoAl1MzIgc3RhdHVzOwo+ICsJ
dTMyIGFjdGlvbltdID0gewo+ICsJCUlOVEVMX0dVQ19BQ1RJT05fRU5URVJfU19TVEFURSwKPiAr
CQlHVUNfUE9XRVJfRDEsIC8qIGFueSB2YWx1ZSBncmVhdGVyIHRoYW4gR1VDX1BPV0VSX0QwCj4g
Ki8KPiArCX07Cj4gKwo+ICsJLyoKPiArCcKgKiBUaGUgRU5URVJfU19TVEFURSBhY3Rpb24gcXVl
dWVzIHRoZSBzYXZlL3Jlc3RvcmUKPiBvcGVyYXRpb24gaW4gR3VDIEZXCj4gKwnCoCogYW5kIHRo
ZW4gcmV0dXJucywgc28gd2FpdGluZyBvbiB0aGUgSDJHIGlzIG5vdCBlbm91Z2ggdG8KPiBndWFy
YW50ZWUKPiArCcKgKiBHdUMgaXMgZG9uZS4gV2hlbiBhbGwgdGhlIHByb2Nlc3NpbmcgaXMgZG9u
ZSwgR3VDIHdyaXRlcwo+ICsJwqAqIElOVEVMX0dVQ19TTEVFUF9TVEFURV9TVUNDRVNTIHRvIHNj
cmF0Y2ggcmVnaXN0ZXIgMTQsIHNvCj4gd2UgY2FuIHBvbGwKPiArCcKgKiBvbiB0aGF0LiBOb3Rl
IHRoYXQgR3VDIGRvZXMgbm90IGVuc3VyZSB0aGF0IHRoZSB2YWx1ZSBpbgo+IHRoZSByZWdpc3Rl
cgo+ICsJwqAqIGlzIGRpZmZlcmVudCBmcm9tIElOVEVMX0dVQ19TTEVFUF9TVEFURV9TVUNDRVNT
IHdoaWxlIHRoZQo+IGFjdGlvbiBpcwo+ICsJwqAqIGluIHByb2dyZXNzIHNvIHdlIG5lZWQgdG8g
dGFrZSBjYXJlIG9mIHRoYXQgb3Vyc2VsdmVzIGFzCj4gd2VsbC4KPiArCcKgKi8KPiDCoAo+IMKg
CUk5MTVfV1JJVEUoU09GVF9TQ1JBVENIKDE0KSwKPiBJTlRFTF9HVUNfU0xFRVBfU1RBVEVfSU5W
QUxJRF9NQVNLKTsKPiDCoAo+IC0JcmV0ID0gaW50ZWxfZ3VjX3NlbmQoZ3VjLCBhY3Rpb24sIGxl
bik7Cj4gKwlyZXQgPSBpbnRlbF9ndWNfc2VuZChndWMsIGFjdGlvbiwgQVJSQVlfU0laRShhY3Rp
b24pKTsKPiDCoAlpZiAocmV0KQo+IMKgCQlyZXR1cm4gcmV0Owo+IMKgCj4gQEAgLTU3NywyMSAr
NTg1LDYgQEAgc3RhdGljIGludCBndWNfc2xlZXBfc3RhdGVfYWN0aW9uKHN0cnVjdAo+IGludGVs
X2d1YyAqZ3VjLAo+IMKgCXJldHVybiAwOwo+IMKgfQo+IMKgCj4gLS8qKgo+IC0gKiBpbnRlbF9n
dWNfc3VzcGVuZCgpIC0gbm90aWZ5IEd1QyBlbnRlcmluZyBzdXNwZW5kIHN0YXRlCj4gLSAqIEBn
dWM6CXRoZSBndWMKPiAtICovCj4gLWludCBpbnRlbF9ndWNfc3VzcGVuZChzdHJ1Y3QgaW50ZWxf
Z3VjICpndWMpCj4gLXsKPiAtCXUzMiBkYXRhW10gPSB7Cj4gLQkJSU5URUxfR1VDX0FDVElPTl9F
TlRFUl9TX1NUQVRFLAo+IC0JCUdVQ19QT1dFUl9EMSwgLyogYW55IHZhbHVlIGdyZWF0ZXIgdGhh
biBHVUNfUE9XRVJfRDAKPiAqLwo+IC0JCWludGVsX2d1Y19nZ3R0X29mZnNldChndWMsIGd1Yy0+
c2hhcmVkX2RhdGEpCj4gLQl9Owo+IC0KPiAtCXJldHVybiBndWNfc2xlZXBfc3RhdGVfYWN0aW9u
KGd1YywgZGF0YSwgQVJSQVlfU0laRShkYXRhKSk7Cj4gLX0KPiAtCj4gwqAvKioKPiDCoCAqIGlu
dGVsX2d1Y19yZXNldF9lbmdpbmUoKSAtIGFzayBHdUMgdG8gcmVzZXQgYW4gZW5naW5lCj4gwqAg
KiBAZ3VjOglpbnRlbF9ndWMgc3RydWN0dXJlCj4gQEAgLTYyMSwxMyArNjE0LDEyIEBAIGludCBp
bnRlbF9ndWNfcmVzZXRfZW5naW5lKHN0cnVjdCBpbnRlbF9ndWMKPiAqZ3VjLAo+IMKgICovCj4g
wqBpbnQgaW50ZWxfZ3VjX3Jlc3VtZShzdHJ1Y3QgaW50ZWxfZ3VjICpndWMpCj4gwqB7Cj4gLQl1
MzIgZGF0YVtdID0gewo+ICsJdTMyIGFjdGlvbltdID0gewo+IMKgCQlJTlRFTF9HVUNfQUNUSU9O
X0VYSVRfU19TVEFURSwKPiDCoAkJR1VDX1BPV0VSX0QwLAo+IC0JCWludGVsX2d1Y19nZ3R0X29m
ZnNldChndWMsIGd1Yy0+c2hhcmVkX2RhdGEpCj4gwqAJfTsKPiDCoAo+IC0JcmV0dXJuIGd1Y19z
bGVlcF9zdGF0ZV9hY3Rpb24oZ3VjLCBkYXRhLCBBUlJBWV9TSVpFKGRhdGEpKTsKPiArCXJldHVy
biBpbnRlbF9ndWNfc2VuZChndWMsIGFjdGlvbiwgQVJSQVlfU0laRShhY3Rpb24pKTsKPiDCoH0K
PiDCoAo+IMKgLyoqCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1
Y19md2lmLmgKPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Y19md2lmLmgKPiBpbmRl
eCA2NGI1NmRhOTc3NWMuLjI1ZDU3YzgxOWUzZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9k
cm0vaTkxNS9pbnRlbF9ndWNfZndpZi5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50
ZWxfZ3VjX2Z3aWYuaAo+IEBAIC02NDgsOSArNjQ4LDkgQEAgZW51bSBpbnRlbF9ndWNfcmVwb3J0
X3N0YXR1cyB7Cj4gwqB9Owo+IMKgCj4gwqBlbnVtIGludGVsX2d1Y19zbGVlcF9zdGF0ZV9zdGF0
dXMgewo+IC0JSU5URUxfR1VDX1NMRUVQX1NUQVRFX1NVQ0NFU1MgPSAweDAsCj4gLQlJTlRFTF9H
VUNfU0xFRVBfU1RBVEVfUFJFRU1QVF9UT19JRExFX0ZBSUxFRCA9IDB4MSwKPiAtCUlOVEVMX0dV
Q19TTEVFUF9TVEFURV9FTkdJTkVfUkVTRVRfRkFJTEVEID0gMHgyCj4gKwlJTlRFTF9HVUNfU0xF
RVBfU1RBVEVfU1VDQ0VTUyA9IDB4MSwKPiArCUlOVEVMX0dVQ19TTEVFUF9TVEFURV9QUkVFTVBU
X1RPX0lETEVfRkFJTEVEID0gMHgyLAo+ICsJSU5URUxfR1VDX1NMRUVQX1NUQVRFX0VOR0lORV9S
RVNFVF9GQUlMRUQgPSAweDMKPiDCoCNkZWZpbmUgSU5URUxfR1VDX1NMRUVQX1NUQVRFX0lOVkFM
SURfTUFTSyAweDgwMDAwMDAwCj4gwqB9Owo+IMKgCl9fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxp
c3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFu
L2xpc3RpbmZvL2ludGVsLWdmeA==