From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH] drm/i915: Fix PSR2 selective update corruption after PSR1 setup Date: Tue, 12 Mar 2019 13:53:22 -0700 Message-ID: <20190312205322.GY24277@intel.com> References: <20190312204217.31034-1-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9CD536E02C for ; Tue, 12 Mar 2019 20:53:12 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190312204217.31034-1-jose.souza@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?iso-8859-1?Q?Jos=E9?= Roberto de Souza Cc: "Runyan, Arthur J" , intel-gfx@lists.freedesktop.org, pavana.a.aigal@intel.com, Dhinakaran Pandiyan List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXIgMTIsIDIwMTkgYXQgMDE6NDI6MTdQTSAtMDcwMCwgSm9zw6kgUm9iZXJ0byBk ZSBTb3V6YSB3cm90ZToKPiBGb3Igc29tZSByZWFzb24gaWYgdGhlIFBTUjEgRURQX1BTUl9UUDFf VFAzX1NFTCByZWdpc3RlciBpcyBrZXB0IHNldAo+IHdoaWxlIFBTUjIgaXMgZW5hYmxlZCwgaXQg Y2F1c2VzIHNvbWUgc2VsZWN0aXZlIHVwZGF0ZXMgdG8gZmFpbCBhZnRlcgo+IGdvdCBiYWNrIGZy b20gREM2IGZvciB0aGUgZmlyc3QgdGltZS4KPiBTbyBsZXRzIGNsZWFyIHRoaXMgcmVnaXN0ZXIg YmVmb3JlIGVuYWJsZWQgUFNSMiwgYXMgaXQgY291bGQgYmUgc2V0Cj4gYnkgYSBwcmV2aW91cyBp OTE1IG1vZHVsZSwgZmlybXdhcmUvQklPUyBvciBieSBhIHByZXZpb3VzIG1vZGUgdGhhdAo+IGlz IG5vdCBjb21wYXRpYmxlIHdpdGggUFNSMi4KCkRvZXMgaXQgaGFwcGVuIHdoZW4geW91IGRvbid0 IGhhdmUgRE1DIGxvYWRlZD8KCkJlY2F1c2UgSXQgbG9va3MgbGlrZSBhIERNQyBidWcgZm9yIG1l Li4uCgpJZiBieSByZW1vdmluZyBETUMgd2UgZG9uJ3Qgc2VlIHRoZSBpc3N1ZSwgY291bGQgd2Ug cGxlYXNlIGZpbGUKdGhpcyBidWcgdG8gRE1DIHdoaWxlIGFkZGluZyBhIEZJWE1FIHdpdGggRE1D IGJ1Z2dlZCB2ZXJzaW9uIG9uIGl0PwoKQWE6IFBhdmFuYQoKSWYgaXQgZG9lc24ndCBoYXBwZW4g d2l0aCBETUMgbG9hZGVkIHRoYW4gbWF5YmUgYSBIU0Qgd291bGQgZm9yIGh3CnRlYW0gd291bGQg YmUgZ29vZCBhbnl3YXkuCgpDYzogQXJ0LgoKVGhhbmtzLApSb2RyaWdvLgoKPiAKPiBDYzogRGhp bmFrYXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+Cj4gQ2M6IFJv ZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBKb3PD qSBSb2JlcnRvIGRlIFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgfCAxMiArKysrKysrKysrLS0KPiAgMSBmaWxlIGNo YW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfcHNyLmMKPiBpbmRleCA3YmFiNmEwMDllMGQuLmFlNjJmODEyNDU1OCAxMDA2NDQKPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gQEAgLTQ5NCwxMiArNDk0LDIwIEBAIHN0YXRpYyB2b2lk IGhzd19hY3RpdmF0ZV9wc3IyKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gIHsKPiAgCXN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IGRwX3RvX2k5MTUoaW50ZWxfZHApOwo+ ICAJdTMyIHZhbDsKPiArCWludCBpZGxlX2ZyYW1lczsKPiArCj4gKwkvKgo+ICsJICogS2VlcGlu ZyB0aGlzIFBTUjEgcmVnaXN0ZXIgc2V0IHdoaWxlIFBTUjIgaXMgZW5hYmxlZCBjYXVzZXMgc29t ZQo+ICsJICogUFNSMiBzZWxlY3RpdmUgdXBkYXRlcyB0byBmYWlsLCBjb3JydXB0aW5nIHNjcmVl bi4KPiArCSAqLwo+ICsJdmFsID0gSTkxNV9SRUFEKEVEUF9QU1JfQ1RMKTsKPiArCWlmICh2YWwg JiBFRFBfUFNSX1RQMV9UUDNfU0VMKQo+ICsJCUk5MTVfV1JJVEUoRURQX1BTUl9DVEwsIHZhbCAm IH5FRFBfUFNSX1RQMV9UUDNfU0VMKTsKPiAgCj4gIAkvKiBMZXQncyB1c2UgNiBhcyB0aGUgbWlu aW11bSB0byBjb3ZlciBhbGwga25vd24gY2FzZXMgaW5jbHVkaW5nIHRoZQo+ICAJICogb2ZmLWJ5 LW9uZSBpc3N1ZSB0aGF0IEhXIGhhcyBpbiBzb21lIGNhc2VzLgo+ICAJICovCj4gLQlpbnQgaWRs ZV9mcmFtZXMgPSBtYXgoNiwgZGV2X3ByaXYtPnZidC5wc3IuaWRsZV9mcmFtZXMpOwo+IC0KPiAr CWlkbGVfZnJhbWVzID0gbWF4KDYsIGRldl9wcml2LT52YnQucHNyLmlkbGVfZnJhbWVzKTsKPiAg CWlkbGVfZnJhbWVzID0gbWF4KGlkbGVfZnJhbWVzLCBkZXZfcHJpdi0+cHNyLnNpbmtfc3luY19s YXRlbmN5ICsgMSk7Cj4gIAl2YWwgPSBpZGxlX2ZyYW1lcyA8PCBFRFBfUFNSMl9JRExFX0ZSQU1F X1NISUZUOwo+ICAKPiAtLSAKPiAyLjIxLjAKPiAKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4