From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oscar Mateo Subject: Re: [PATCH v2] drm/i915: Check whitelist registers across resets Date: Fri, 13 Apr 2018 10:04:16 -0700 Message-ID: References: <20180412151357.601-1-chris@chris-wilson.co.uk> <20180412152134.21673-1-chris@chris-wilson.co.uk> <152363849432.2662.1940178632051689113@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 99BCE6EB58 for ; Fri, 13 Apr 2018 17:04:20 +0000 (UTC) In-Reply-To: <152363849432.2662.1940178632051689113@mail.alporthouse.com> Content-Language: en-US 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 CgpPbiA0LzEzLzIwMTggOTo1NCBBTSwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IFF1b3RpbmcgT3Nj YXIgTWF0ZW8gKDIwMTgtMDQtMTMgMTc6NDY6NDIpCj4+Cj4+IE9uIDQvMTIvMjAxOCA4OjIxIEFN LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBBZGQgYSBzZWxmdGVzdCB0byBlbnN1cmUgdGhhdCB3 ZSByZXN0b3JlIHRoZSB3aGl0ZWxpc3RlZCByZWdpc3RlcnMgYWZ0ZXIKPj4+IHJld3JpdGUgdGhl IHJlZ2lzdGVycyBldmVyeXRpbWUgdGhleSBtaWdodCBiZSBzY3J1YmJlZCwgZS5nLiBtb2R1bGUK Pj4+IGxvYWQsIHJlc2V0IGFuZCByZXN1bWUuIEZvciB0aGUgb3RoZXIgdm9sYXRpbGUgd29ya2Fy b3VuZCByZWdpc3RlcnMsIHdlCj4+PiBleHBvcnQgdGhlaXIgcHJlc2VuY2UgdmlhIGRlYnVnZnMg YW5kIGNoZWNrIGluIGlndC9nZW1fd29ya2Fyb3VuZHMuCj4+PiBIb3dldmVyLCB3ZSBkb24ndCBl eHBvcnQgdGhlIHdoaXRlbGlzdCBhbmQgcmF0aGVyIHRoYW4gZG8gc28sIGxldCdzIHRlc3QKPj4+ IHRoZW0gZGlyZWN0bHkgaW4gdGhlIGtlcm5lbC4KPj4gSSBndWVzcyBteSBxdWVzdGlvbiBpcy4u LiB3aHk/IHdoYXQgd2FzIHRoZSBwcm9ibGVtIHdpdGggZXhwb3J0aW5nIHRoZQo+PiBsaXN0IG9m IHdoaXRlbGlzdCByZWdpc3RlcnMgaW4gZGVidWdmcz8KPiBXZSBkb24ndC4uLiAoVGhlcmUncyBu byBSSU5HX05PTlBSSVYgY2hlY2tpbmcgY3VycmVudGx5KQoKVGhlcmUgaXMgbm8gY2hlY2tpbmcs IGJ1dCB3ZSB3ZXJlIHNob3dpbmcgdGhlIGZ1bGwgbGlzdCBpbiBkZWJ1Z2ZzLiBPaywgCkkgZ3Vl c3MgaXQgd2Fzbid0IHRoYXQgdXNlZnVsIHdpdGhvdXQgdGhlIGNvcnJlc3BvbmRpbmcgaWd0Li4u Cgo+IEkgd2Fzbid0IGZvbmQKPiBvZiB0aGUgaWd0IGZvciBpdCBpcyBjaGVja2luZyBrZXJuZWwg aW1wbGVtZW50YXRpb24gcmF0aGVyIHRoYW4gYmVoYXZpb3VyLgo+IFRoZSBrZXJuZWwgZ2l2ZXMg aXQgYSBjaGVja2xpc3Qgd2hpY2ggaXQgZHV0aWZ1bGx5IGZvbGxvd3MuLi4gTm93IHRoYXQKPiB3 ZSBoYXZlIHNlbGZ0ZXN0cywgd2UgZG9uJ3QgbmVlZCB0byB3cml0ZSB3aGF0IEkgdGhpbmsgc2hv dWxkIGJlIHVuaXQKPiB0ZXN0cyBpbiBpZ3QgYW55bW9yZS4KCkFoLCBzbyBJIHRha2UgdGhlIHBs YW4gaXMgdG8gYWxzbyBjaGVjayB0aGUgb3RoZXIgV0FzIGluIHNlbGZ0ZXN0cz8gClNvbWVob3cg SSB0aG91Z2h0IHlvdSB3YW50ZWQgdG8gdHJlYXQgd2hpdGVsaXN0aW5nIGRpZmZlcmVudGx5LgoK Pj4+IFRoZSB0ZXN0IHdlIHVzZSBpcyB0byByZWFkIHRoZSByZWdpc3RlcnMgYmFjayBmcm9tIHRo ZSBDUyAodGhpcyBoZWxwcyB1cwo+Pj4gYmUgc3VyZSB0aGF0IHRoZSByZWdpc3RlcnMgd2lsbCBi ZSB2YWxpZCBmb3IgTUlfTFJJIGV0YykuIEluIG9yZGVyIHRvCj4+PiBnZW5lcmF0ZSB0aGUgZXhw ZWN0ZWQgbGlzdCwgd2Ugc3BsaXQgaW50ZWxfd2hpdGVsaXN0X3dvcmthcm91bmRzX2VtaXQKPj4+ IGludG8gdHdvIHBoYXNlcywgdGhlIGZpcnN0IHRvIGJ1aWxkIHRoZSBsaXN0IGFuZCB0aGUgc2Vj b25kIHRvIGFwcGx5Lgo+Pj4gSW5zaWRlIHRoZSB0ZXN0LCB3ZSBvbmx5IGJ1aWxkIHRoZSBsaXN0 IGFuZCB0aGVuIGNoZWNrIHRoYXQgbGlzdCBhZ2FpbnN0Cj4+PiB0aGUgaHcuCj4+Pgo+Pj4gdjI6 IEZpbHRlciBvdXQgcHJlLWdlbjggYXMgdGhleSBkbyBub3QgaGF2ZSBSSU5HX05PTlBSSVYuCj4+ Pgo+Pj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+Cj4+PiBDYzogT3NjYXIgTWF0ZW8gPG9zY2FyLm1hdGVvQGludGVsLmNvbT4KPj4+IENjOiBN aWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPj4+IENjOiBKb29u YXMgTGFodGluZW4gPGpvb25hcy5sYWh0aW5lbkBsaW51eC5pbnRlbC5jb20+Cj4+PiAtLS0KPj4+ ICtzdGF0aWMgc3RydWN0IHdoaXRlbGlzdCAqd2hpdGVsaXN0X2J1aWxkKHN0cnVjdCBpbnRlbF9l bmdpbmVfY3MgKmVuZ2luZSwKPj4+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgIHN0cnVjdCB3aGl0ZWxpc3QgKncpCj4+PiArewo+Pj4gKyAgICAgc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUgKmk5MTUgPSBlbmdpbmUtPmk5MTU7Cj4+PiArCj4+PiArICAgICBHRU1fQlVHX09O KGVuZ2luZS0+aWQgIT0gUkNTKTsKPj4+ICsKPj4+ICsgICAgIHctPmNvdW50ID0gMDsKPj4+ICsg ICAgIHctPm5vcGlkID0gaTkxNV9tbWlvX3JlZ19vZmZzZXQoUklOR19OT1BJRChlbmdpbmUtPm1t aW9fYmFzZSkpOwo+PiA6KQo+Pgo+Pj4gKwo+Pj4gKyAgICAgaWYgKElOVEVMX0dFTihpOTE1KSA8 IDgpCj4+PiArICAgICAgICAgICAgIHJldHVybiBOVUxMOwo+Pj4gKyAgICAgZWxzZSBpZiAoSVNf QlJPQURXRUxMKGk5MTUpKQo+Pj4gKyAgICAgICAgICAgICBiZHdfd2hpdGVsaXN0X2J1aWxkKGVu Z2luZSwgdyk7Cj4+IElzIGl0IHdvcnRoIHBhc3NpbmcgdGhlIGVuZ2luZSBhcm91bmQ/IEV2ZW4g b2Ygd2UgZW5kIHVwIHdpdGgKPj4gd2hpdGVsaXN0ZWQgcmVnaXN0ZXIgaW4gZW5naW5lcyAhPSBS Q1MsIHdlIHdpbGwgbmVlZCBtb3JlIGNoYW5nZXMgdGhhbiB0aGlzLgo+IE5vIGlkZWEsIGl0IHdh cyBlYXN5IGVub3VnaCB0byBwYXNzIGFyb3VuZCwgc28gSSBkaWQganVzdCBpbiBjYXNlIGl0IHdh cwo+IHVzZWZ1bCBpbiBmdXR1cmUgKHB1bGxpbmcgb3V0IGk5MTUgb3Igd2hhdGV2ZXIpLgo+IC1D aHJpcwoKSSdkIHNheSBsZXQncyBjcm9zcyB0aGF0IGJyaWRnZSB3aGVuIHdlIGdldCB0byBpdCwg YnV0IHdpdGggb3Igd2l0aG91dCBpdDoKClJldmlld2VkLWJ5OiBPc2NhciBNYXRlbyA8b3NjYXIu bWF0ZW9AaW50ZWwuY29tPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==