From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH 6/8] drm/i915/psr: Use WA to force HW tracking to exit PSR2 Date: Thu, 20 Sep 2018 15:54:49 -0700 Message-ID: <20180920225449.GD7233@intel.com> References: <20180920204327.3513-1-jose.souza@intel.com> <20180920204327.3513-6-jose.souza@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0CCB46E687 for ; Thu, 20 Sep 2018 22:55:45 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180920204327.3513-6-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: intel-gfx@lists.freedesktop.org, Dhinakaran Pandiyan List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBTZXAgMjAsIDIwMTggYXQgMDE6NDM6MjVQTSAtMDcwMCwgSm9zw6kgUm9iZXJ0byBk ZSBTb3V6YSB3cm90ZToKPiBUaGlzIFdBIGFsc28gd29ya3MgZmluZSBmb3IgUFNSMiwgdHJpZ2dl cmluZyBhIHNlbGVjdGl2ZSB1cGRhdGUgd2hlbgo+IHBvc3NpYmxlLgoKT2ghIHJlYWxseT8hIEl0 IGRpZG4ndCB3b3JrIHdoZW4gSSBjaGFja2VkIG9uIG15IENOTCwKYnV0IHdlIHByb2JhYmx5IGhh ZCBvdGhlciBidWdzIGJhY2sgdGhlcmUuLi4KClRoYW5rcyBmb3IgZmluZGluZyB0aGlzCgoKUmV2 aWV3ZWQtYnk6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KCgoKPiAKPiBD YzogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+Cj4g Q2M6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5 OiBKb3PDqSBSb2JlcnRvIGRlIFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4KPiAtLS0KPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgfCAyNCArKysrKysrKysrLS0tLS0tLS0t LS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygt KQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gaW5kZXggODRiNTEyNDI2NTE0Li5jZjlk NmU5NjU2OTcgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMK PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+IEBAIC0xMDI2LDIwICsx MDI2LDE2IEBAIHZvaWQgaW50ZWxfcHNyX2ZsdXNoKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpk ZXZfcHJpdiwKPiAgCj4gIAkvKiBCeSBkZWZpbml0aW9uIGZsdXNoID0gaW52YWxpZGF0ZSArIGZs dXNoICovCj4gIAlpZiAoZnJvbnRidWZmZXJfYml0cykgewo+IC0JCWlmIChkZXZfcHJpdi0+cHNy LnBzcjJfZW5hYmxlZCkgewo+IC0JCQlpbnRlbF9wc3JfZXhpdChkZXZfcHJpdik7Cj4gLQkJfSBl bHNlIHsKPiAtCQkJLyoKPiAtCQkJICogRGlzcGxheSBXQSAjMDg4NDogYWxsCj4gLQkJCSAqIFRo aXMgZG9jdW1lbnRlZCBXQSBmb3IgYnh0IGNhbiBiZSBzYWZlbHkgYXBwbGllZAo+IC0JCQkgKiBi cm9hZGx5IHNvIHdlIGNhbiBmb3JjZSBIVyB0cmFja2luZyB0byBleGl0IFBTUgo+IC0JCQkgKiBp bnN0ZWFkIG9mIGRpc2FibGluZyBhbmQgcmUtZW5hYmxpbmcuCj4gLQkJCSAqIFdvcmthcm91bmQg dGVsbHMgdXMgdG8gd3JpdGUgMCB0byBDVVJfU1VSRkxJVkVfQSwKPiAtCQkJICogYnV0IGl0IG1h a2VzIG1vcmUgc2Vuc2Ugd3JpdGUgdG8gdGhlIGN1cnJlbnQgYWN0aXZlCj4gLQkJCSAqIHBpcGUu Cj4gLQkJCSAqLwo+IC0JCQlJOTE1X1dSSVRFKENVUlNVUkZMSVZFKHBpcGUpLCAwKTsKPiAtCQl9 Cj4gKwkJLyoKPiArCQkgKiBEaXNwbGF5IFdBICMwODg0OiBhbGwKPiArCQkgKiBUaGlzIGRvY3Vt ZW50ZWQgV0EgZm9yIGJ4dCBjYW4gYmUgc2FmZWx5IGFwcGxpZWQKPiArCQkgKiBicm9hZGx5IHNv IHdlIGNhbiBmb3JjZSBIVyB0cmFja2luZyB0byBleGl0IFBTUgo+ICsJCSAqIGluc3RlYWQgb2Yg ZGlzYWJsaW5nIGFuZCByZS1lbmFibGluZy4KPiArCQkgKiBXb3JrYXJvdW5kIHRlbGxzIHVzIHRv IHdyaXRlIDAgdG8gQ1VSX1NVUkZMSVZFX0EsCj4gKwkJICogYnV0IGl0IG1ha2VzIG1vcmUgc2Vu c2Ugd3JpdGUgdG8gdGhlIGN1cnJlbnQgYWN0aXZlCj4gKwkJICogcGlwZS4KPiArCQkgKi8KPiAr CQlJOTE1X1dSSVRFKENVUlNVUkZMSVZFKHBpcGUpLCAwKTsKPiAgCX0KPiAgCj4gIAlpZiAoIWRl dl9wcml2LT5wc3IuYWN0aXZlICYmICFkZXZfcHJpdi0+cHNyLmJ1c3lfZnJvbnRidWZmZXJfYml0 cykKPiAtLSAKPiAyLjE5LjAKPiAKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==