From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH v3] drm/i915: Wait for PSR exit before checking for vblank evasion Date: Thu, 21 Jun 2018 18:52:41 -0700 Message-ID: <1529632361.12516.73.camel@intel.com> References: <20180622010322.92851-1-tarun.vyas@intel.com> <20180622010322.92851-2-tarun.vyas@intel.com> Reply-To: dhinakaran.pandiyan@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 676DC6E30E for ; Fri, 22 Jun 2018 01:26:43 +0000 (UTC) In-Reply-To: <20180622010322.92851-2-tarun.vyas@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Tarun Vyas , intel-gfx@lists.freedesktop.org Cc: rodrigo.vivi@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMDE4LTA2LTIxIGF0IDE4OjAzIC0wNzAwLCBUYXJ1biBWeWFzIHdyb3RlOgo+IFRo ZSBQSVBFRFNMIGZyZWV6ZXMgb24gUFNSIGVudHJ5IGFuZCBpZiBQU1IgaGFzbid0IGZ1bGx5IGV4 aXRlZCwgdGhlbgo+IHRoZSBwaXBlX3VwZGF0ZV9zdGFydCBjYWxsIHNjaGVkdWxlcyBpdHNlbGYg b3V0IHRvIGNoZWNrIGJhY2sgbGF0ZXIuCj4gCj4gT24gQ2hyb21lT1MtNC40IGtlcm5lbCwgd2hp Y2ggaXMgZmFpcmx5IHVwLXRvLWRhdGUgdy5yLnQgZHJtL2k5MTUgYnV0Cj4gbGFncyB3LnIudCBj b3JlIGtlcm5lbCBjb2RlLCBob3QgcGx1Z2dpbmcgYW4gZXh0ZXJuYWwgZGlzcGxheQo+IHRyaWdn ZXJzCj4gdG9ucyBvZiAicG90ZW50aWFsIGF0b21pYyB1cGRhdGUgZXJyb3JzIiBpbiB0aGUgZG1l c2csIG9uICpwaXBlIEEqLiBBCj4gY2xvc2VyIGFuYWx5c2lzIHJldmVhbHMgdGhhdCB3ZSB0cnkg dG8gcmVhZCB0aGUgc2NhbmxpbmUgMyB0aW1lcyBhbmQKPiBldmVudHVhbGx5IHRpbWVvdXQsIGIv YyBQU1IgaGFzbid0IGV4aXRlZCBmdWxseSBsZWFkaW5nIHRvIGEgUElQRURTTAo+IHN0dWNrIEAg MTU5OS4gVGhpcyBpc3N1ZSBpcyBub3Qgc2VlbiBvbiB1cHN0cmVhbSBrZXJuZWxzLCBiL2MgZm9y Cj4gKnNvbWUqCj4gcmVhc29uIHdlIGxvb3AgaW5zaWRlIGludGVsX3BpcGVfdXBkYXRlIHN0YXJ0 IGZvciB+MisgbXNlYyB3aGljaCBpbgo+IHRoaXMKPiBjYXNlIGlzIG1vcmUgdGhhbiBlbm91Z2gg dG8gZXhpdCBQU1IgZnVsbHksIGhlbmNlIGFuICp1bnN0dWNrKgo+IFBJUEVEU0wKPiBjb3VudGVy LCBoZW5jZSBubyBlcnJvci4gT24gdGhlIG90aGVyIGhhbmQsIHRoZSBDaHJvbWVPUyBrZXJuZWwK PiBzcGVuZHMKPiB+MS4xIG1zZWMgbG9vcGluZyBpbnNpZGUgaW50ZWxfcGlwZV91cGRhdGVfc3Rh cnQgYW5kIGhlbmNlIGVycm9ycyBvdXQKPiBiL2MgdGhlIHNvdXJjZSBpcyBzdGlsbCBpbiBQU1Iu Cj4gCj4gUmVnYXJkbGVzcywgd2Ugc2hvdWxkIHdhaXQgZm9yIFBTUiBleGl0IChpZiBQU1IgaXMg ZGlzYWJsZWQsIHdlIGluY3VyCj4gYSB+MS0yIHVzZWMgcGVuYWx0eSkgYmVmb3JlIHJlYWRpbmcg dGhlIFBJUEVEU0wsIGIvYyBpZiB3ZSBoYXZlbid0Cj4gZnVsbHkgZXhpdGVkIFBTUiwgdGhlbiBj aGVja2luZyBmb3IgdmJsYW5rIGV2YXNpb24gaXNuJ3QgYWN0dWFsbHkKPiBhcHBsaWNhYmxlLgo+ IAo+IFNpZ25lZC1vZmYtYnk6IFRhcnVuIFZ5YXMgPHRhcnVuLnZ5YXNAaW50ZWwuY29tPgo+IC0t LQo+IMKgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMgfCA2ICsrKystLQo+IMKg MSBmaWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPiAKPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMKPiBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX3Nwcml0ZS5jCj4gaW5kZXggMzQ0YzBlNzA5YjE5Li4zNDc1NDc3 MWQ3YTcgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMK PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUuYwo+IEBAIC0xMDcsMTQg KzEwNywxNiBAQCB2b2lkIGludGVsX3BpcGVfdXBkYXRlX3N0YXJ0KGNvbnN0IHN0cnVjdAo+IGlu dGVsX2NydGNfc3RhdGUgKm5ld19jcnRjX3N0YXRlKQo+IMKgCQkJCQkJwqDCoMKgwqDCoMKgVkJM QU5LX0VWQVNJT04KPiBfVElNRV9VUyk7Cj4gwqAJbWF4ID0gdmJsYW5rX3N0YXJ0IC0gMTsKPiDC oAo+IC0JbG9jYWxfaXJxX2Rpc2FibGUoKTsKPiAtCj4gwqAJaWYgKG1pbiA8PSAwIHx8IG1heCA8 PSAwKQo+IMKgCQlyZXR1cm47Cj4gwqAKPiDCoAlpZiAoV0FSTl9PTihkcm1fY3J0Y192Ymxhbmtf Z2V0KCZjcnRjLT5iYXNlKSkpCj4gwqAJCXJldHVybjsKPiDCoAo+ICsJcHNyX3dhaXRfZm9yX2lk bGVfbG9ja2xlc3MoZGV2X3ByaXYpOwoKRG9jdW1lbnQgdGhlIGltcGxpY2l0IHJlcXVpcmVtZW50 IHRoYXQgd2UgZW5hYmxlIHZibGFuayBpbnRlcnJ1cHRzCmJlZm9yZSB3YWl0aW5nIGZvciBQU1Ig aWRsZS4gTG9va3MgZ29vZCB0byBtZSwgSSdsbCB3YWl0IGZvciBvdGhlcnMgdG8KY2hpbWUgaW4u CgpUaGUgaG9wZSBpc8KgaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/ aWQ9MTA2Njc4wqBnZXRzCmZpeGVkIHdpdGggdGhpcyBwYXRjaC4KCj4gKwo+ICsJbG9jYWxfaXJx X2Rpc2FibGUoKTsKPiArCj4gwqAJY3J0Yy0+ZGVidWcubWluX3ZibCA9IG1pbjsKPiDCoAljcnRj LT5kZWJ1Zy5tYXhfdmJsID0gbWF4Owo+IMKgCXRyYWNlX2k5MTVfcGlwZV91cGRhdGVfc3RhcnQo Y3J0Yyk7Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=