From mboxrd@z Thu Jan 1 00:00:00 1970 From: dhinakaran.pandiyan@gmail.com Subject: Re: [PATCH 6/8] drm/i915/psr: Use WA to force HW tracking to exit PSR2 Date: Mon, 24 Sep 2018 22:57:28 -0700 Message-ID: References: <20180920204327.3513-1-jose.souza@intel.com> <20180920204327.3513-6-jose.souza@intel.com> <20180920225449.GD7233@intel.com> <829ed2e26d446fb520ec31634c6c97783668b8e3.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-yb1-xb43.google.com (mail-yb1-xb43.google.com [IPv6:2607:f8b0:4864:20::b43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5F6BE89F27 for ; Tue, 25 Sep 2018 05:57:32 +0000 (UTC) Received: by mail-yb1-xb43.google.com with SMTP id o8-v6so1106037ybk.13 for ; Mon, 24 Sep 2018 22:57:32 -0700 (PDT) In-Reply-To: <829ed2e26d446fb520ec31634c6c97783668b8e3.camel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Souza, Jose" , "Vivi, Rodrigo" Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE4LTA5LTIwIGF0IDIzOjAxICswMDAwLCBTb3V6YSwgSm9zZSB3cm90ZToKPiBP biBUaHUsIDIwMTgtMDktMjAgYXQgMTU6NTQgLTA3MDAsIFJvZHJpZ28gVml2aSB3cm90ZToKPiA+ IE9uIFRodSwgU2VwIDIwLCAyMDE4IGF0IDAxOjQzOjI1UE0gLTA3MDAsIEpvc8OpIFJvYmVydG8g ZGUgU291emEKPiA+IHdyb3RlOgo+ID4gPiBUaGlzIFdBIGFsc28gd29ya3MgZmluZSBmb3IgUFNS MiwgdHJpZ2dlcmluZyBhIHNlbGVjdGl2ZSB1cGRhdGUKPiA+ID4gd2hlbgo+ID4gPiBwb3NzaWJs ZS4KPiA+IAo+ID4gT2ghIHJlYWxseT8hIEl0IGRpZG4ndCB3b3JrIHdoZW4gSSBjaGFja2VkIG9u IG15IENOTCwKPiA+IGJ1dCB3ZSBwcm9iYWJseSBoYWQgb3RoZXIgYnVncyBiYWNrIHRoZXJlLi4u Cj4gCj4gVGVzdGVkIGluIFdITCBhbmQgSUNMLCBJIHdpbGwgZ2l2ZSBhIHRyeSBpbiBDTkwuCj4g Cj4gPiAKPiA+IFRoYW5rcyBmb3IgZmluZGluZyB0aGlzCj4gPiAKPiA+IAo+ID4gUmV2aWV3ZWQt Ynk6IFJvZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KCkkgaGF2ZW4ndCBjaGVj a2VkIG15c2VsZiBidXQgZnJvbSB3aGF0IEkgdW5kZXJzdGFuZCBpdCBzaG91bGQgd29yawpBY2tl ZC1ieTogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+ Cgo+ID4gCj4gPiAKPiA+IAo+ID4gPiAKPiA+ID4gQ2M6IERoaW5ha2FyYW4gUGFuZGl5YW4gPGRo aW5ha2FyYW4ucGFuZGl5YW5AaW50ZWwuY29tPgo+ID4gPiBDYzogUm9kcmlnbyBWaXZpIDxyb2Ry aWdvLnZpdmlAaW50ZWwuY29tPgo+ID4gPiBTaWduZWQtb2ZmLWJ5OiBKb3PDqSBSb2JlcnRvIGRl IFNvdXphIDxqb3NlLnNvdXphQGludGVsLmNvbT4KPiA+ID4gLS0tCj4gPiA+ICBkcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9wc3IuYyB8IDI0ICsrKysrKysrKystLS0tLS0tLS0tLS0tLQo+ID4g PiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDE0IGRlbGV0aW9ucygtKQo+ID4g PiAKPiA+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4g PiA+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiA+ID4gaW5kZXggODRiNTEy NDI2NTE0Li5jZjlkNmU5NjU2OTcgMTAwNjQ0Cj4gPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3Bzci5jCj4gPiA+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bz ci5jCj4gPiA+IEBAIC0xMDI2LDIwICsxMDI2LDE2IEBAIHZvaWQgaW50ZWxfcHNyX2ZsdXNoKHN0 cnVjdAo+ID4gPiBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiA+ID4gIAo+ID4gPiAgCS8q IEJ5IGRlZmluaXRpb24gZmx1c2ggPSBpbnZhbGlkYXRlICsgZmx1c2ggKi8KPiA+ID4gIAlpZiAo ZnJvbnRidWZmZXJfYml0cykgewo+ID4gPiAtCQlpZiAoZGV2X3ByaXYtPnBzci5wc3IyX2VuYWJs ZWQpIHsKPiA+ID4gLQkJCWludGVsX3Bzcl9leGl0KGRldl9wcml2KTsKPiA+ID4gLQkJfSBlbHNl IHsKPiA+ID4gLQkJCS8qCj4gPiA+IC0JCQkgKiBEaXNwbGF5IFdBICMwODg0OiBhbGwKPiA+ID4g LQkJCSAqIFRoaXMgZG9jdW1lbnRlZCBXQSBmb3IgYnh0IGNhbiBiZQo+ID4gPiBzYWZlbHkKPiA+ ID4gYXBwbGllZAo+ID4gPiAtCQkJICogYnJvYWRseSBzbyB3ZSBjYW4gZm9yY2UgSFcgdHJhY2tp bmcKPiA+ID4gdG8gZXhpdAo+ID4gPiBQU1IKPiA+ID4gLQkJCSAqIGluc3RlYWQgb2YgZGlzYWJs aW5nIGFuZCByZS1lbmFibGluZy4KPiA+ID4gLQkJCSAqIFdvcmthcm91bmQgdGVsbHMgdXMgdG8g d3JpdGUgMCB0bwo+ID4gPiBDVVJfU1VSRkxJVkVfQSwKPiA+ID4gLQkJCSAqIGJ1dCBpdCBtYWtl cyBtb3JlIHNlbnNlIHdyaXRlIHRvIHRoZQo+ID4gPiBjdXJyZW50Cj4gPiA+IGFjdGl2ZQo+ID4g PiAtCQkJICogcGlwZS4KPiA+ID4gLQkJCSAqLwo+ID4gPiAtCQkJSTkxNV9XUklURShDVVJTVVJG TElWRShwaXBlKSwgMCk7Cj4gPiA+IC0JCX0KPiA+ID4gKwkJLyoKPiA+ID4gKwkJICogRGlzcGxh eSBXQSAjMDg4NDogYWxsCj4gPiA+ICsJCSAqIFRoaXMgZG9jdW1lbnRlZCBXQSBmb3IgYnh0IGNh biBiZSBzYWZlbHkKPiA+ID4gYXBwbGllZAo+ID4gPiArCQkgKiBicm9hZGx5IHNvIHdlIGNhbiBm b3JjZSBIVyB0cmFja2luZyB0byBleGl0Cj4gPiA+IFBTUgo+ID4gPiArCQkgKiBpbnN0ZWFkIG9m IGRpc2FibGluZyBhbmQgcmUtZW5hYmxpbmcuCj4gPiA+ICsJCSAqIFdvcmthcm91bmQgdGVsbHMg dXMgdG8gd3JpdGUgMCB0bwo+ID4gPiBDVVJfU1VSRkxJVkVfQSwKPiA+ID4gKwkJICogYnV0IGl0 IG1ha2VzIG1vcmUgc2Vuc2Ugd3JpdGUgdG8gdGhlIGN1cnJlbnQKPiA+ID4gYWN0aXZlCj4gPiA+ ICsJCSAqIHBpcGUuCj4gPiA+ICsJCSAqLwo+ID4gPiArCQlJOTE1X1dSSVRFKENVUlNVUkZMSVZF KHBpcGUpLCAwKTsKPiA+ID4gIAl9Cj4gPiA+ICAKPiA+ID4gIAlpZiAoIWRldl9wcml2LT5wc3Iu YWN0aXZlICYmICFkZXZfcHJpdi0KPiA+ID4gPiBwc3IuYnVzeV9mcm9udGJ1ZmZlcl9iaXRzKQo+ ID4gPiAKPiA+ID4gLS0gCj4gPiA+IDIuMTkuMAo+ID4gPiAKPiAKPiBfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBtYWlsaW5nIGxpc3QK PiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==