From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915/psr: Bump vblank evasion time for seamless updates Date: Wed, 13 Feb 2019 18:30:10 +0200 Message-ID: <20190213163010.GI20097@intel.com> References: <20190213162142.2095-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id C24B26E31E for ; Wed, 13 Feb 2019 16:30:17 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190213162142.2095-1-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: Jani Nikula , intel-gfx@lists.freedesktop.org, Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBGZWIgMTMsIDIwMTkgYXQgMDQ6MjE6NDJQTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IEVhY2ggc2V0IG9mIHJlZ2lzdGVycyB3ZSBuZWVkIHRvIHJld3JpdGUgZHVyaW5nIGEg cGFnZWZsaXAvbW9kZXNldAo+IGluY3JlYXNlcyB0aGUgcmVxdWlyZWQgZXZhc2lvbiB3aW5kb3cu IE1vZGVzZXRzIHdpdGggUFNSIGVuYWJsZWQKPiBlbXBpcmljYWxseSB0YWtlIHVwIHRvIDM1MHVz IHRvIGNvbXBsZXRlIHRoZSByZWdpc3RlciBwcm9ncmFtbWluZywgc28KPiBwcm92aWRlIGEgY29y cmVzcG9uZGluZyBib29zdCB0byB0aGUgZXZhc2lvbiB3aW5kb3cuCgpXZSBzaG91bGQgaGF2ZSBl eGl0ZWQgUFNSIGJlZm9yZSB0aGUgZXZhc2lvbi4gSXMgdGhhdCBjb2RlIG5vdCB3b3JraW5nPwoK PiAKPiBCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/ aWQ9MTA1ODcwCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+Cj4gQ2M6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+Cj4gQ2M6 IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IFBh dWxvIFphbm9uaSA8cGF1bG8uci56YW5vbmlAaW50ZWwuY29tPgo+IENjOiBKb3NlIFJvYmVydG8g ZGUgU291emEgPGpvc2Uuc291emFAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9zcHJpdGUuYyB8IDIwICsrKysrKysrKysrKysrKysrKy0tCj4gIDEgZmlsZSBj aGFuZ2VkLCAxOCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUuYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX3Nwcml0ZS5jCj4gaW5kZXggNjEwMzk4NjA3ZThlLi4wM2NhZmI5NTM1MzggMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMKPiArKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUuYwo+IEBAIC04NCwxNCArODQsMzAgQEAg dm9pZCBpbnRlbF9waXBlX3VwZGF0ZV9zdGFydChjb25zdCBzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0 ZSAqbmV3X2NydGNfc3RhdGUpCj4gIAkJaW50ZWxfY3J0Y19oYXNfdHlwZShuZXdfY3J0Y19zdGF0 ZSwgSU5URUxfT1VUUFVUX0RTSSk7Cj4gIAlERUZJTkVfV0FJVCh3YWl0KTsKPiAgCXUzMiBwc3Jf c3RhdHVzOwo+ICsJaW50IGV2YXNpb247Cj4gIAo+ICAJdmJsYW5rX3N0YXJ0ID0gYWRqdXN0ZWRf bW9kZS0+Y3J0Y192Ymxhbmtfc3RhcnQ7Cj4gIAlpZiAoYWRqdXN0ZWRfbW9kZS0+ZmxhZ3MgJiBE Uk1fTU9ERV9GTEFHX0lOVEVSTEFDRSkKPiAgCQl2Ymxhbmtfc3RhcnQgPSBESVZfUk9VTkRfVVAo dmJsYW5rX3N0YXJ0LCAyKTsKPiAgCj4gKwkvKgo+ICsJICogRXN0aW1hdGUgaG93IGxvbmcgaXQg d2lsbCB0YWtlIHRvIHJlcHJvZ3JhbSBkaXNwbGF5IHJlZ2lzdGVycy4KPiArCSAqCj4gKwkgKiBB cyB3ZSB3aXNoIHRvIGF2b2lkIGNoYW5naW5nIHJlZ2lzdGVycyBhY3Jvc3MgdGhlIHZibGFuayB0 bwo+ICsJICogYXZvaWQgcmVnaXN0ZXIgd3JpdGUgdGVhcmluZywgd2hlcmUgdGhlIG5ldyBmcmFt ZSB1c2VzIGFuIGluY29tcGxldGUKPiArCSAqIG1pc21hc2ggb2Ygc3RhdGUsIHdlIGFpbSB0byBj b21wbGV0ZSBvdXIgd3JpdGVzIGJlZm9yZSB0aGUgc3RhcnQKPiArCSAqIG9mIHRoZSB2Ymxhbmsu IFNvIHdlIG11c3QgZGVsYXkgc3RhcnRpbmcgb3VyIHdyaXRlcyB1bnRpbCBhZnRlciBvdXIKPiAr CSAqIGV2YXNpb24gd2luZG93Lgo+ICsJICoKPiArCSAqIEVhY2ggYWRkaXRpb25hbCBiaXQgb2Yg c3RhdGUgYWRkcyBhIHNldCBvZiByZWdpc3RlcnMgd2UgbmVlZCB0bwo+ICsJICogcmVwcm9ncmFt LCBpbmNyZWFzaW5nIG91ciByZXF1aXJlZCBldmFzaW9uIHdpbmRvdy4KPiArCSAqLwo+ICsJZXZh c2lvbiA9IFZCTEFOS19FVkFTSU9OX1RJTUVfVVM7Cj4gKwlpZiAoZGV2X3ByaXYtPnBzci5lbmFi bGVkIHx8IG5ld19jcnRjX3N0YXRlLT5oYXNfcHNyKQo+ICsJCWV2YXNpb24gKz0gMzAwOwo+ICsK PiAgCS8qIEZJWE1FIG5lZWRzIHRvIGJlIGNhbGlicmF0ZWQgc2Vuc2libHkgKi8KPiAtCW1pbiA9 IHZibGFua19zdGFydCAtIGludGVsX3VzZWNzX3RvX3NjYW5saW5lcyhhZGp1c3RlZF9tb2RlLAo+ IC0JCQkJCQkgICAgICBWQkxBTktfRVZBU0lPTl9USU1FX1VTKTsKPiArCW1pbiA9IHZibGFua19z dGFydCAtIGludGVsX3VzZWNzX3RvX3NjYW5saW5lcyhhZGp1c3RlZF9tb2RlLCBldmFzaW9uKTsK PiAgCW1heCA9IHZibGFua19zdGFydCAtIDE7Cj4gIAo+ICAJaWYgKG1pbiA8PSAwIHx8IG1heCA8 PSAwKQo+IC0tIAo+IDIuMjAuMQoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRlbApfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=