From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Wait for PSR exit before checking for vblank evasion for an atomic update Date: Mon, 30 Apr 2018 11:20:45 +0300 Message-ID: <87a7tlayw2.fsf@intel.com> References: <20180430040018.79272-1-tarun.vyas@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 91D156E157 for ; Mon, 30 Apr 2018 08:18:06 +0000 (UTC) In-Reply-To: <20180430040018.79272-1-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: dhinakaran.pandiyan@intel.com, rodrigo.vivi@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gU3VuLCAyOSBBcHIgMjAxOCwgVGFydW4gVnlhcyA8dGFydW4udnlhc0BpbnRlbC5jb20+IHdy b3RlOgo+IEZyb206IFRhcnVuIDx0YXJ1bi52eWFzQGludGVsLmNvbT4KPgo+IFRoZSBQSVBFRFNM IGZyZWV6ZXMgb24gUFNSIGVudHJ5IGFuZCBpZiBQU1IgaGFzbid0IGZ1bGx5IGV4aXRlZCwgdGhl bgo+IHRoZSBwaXBlX3VwZGF0ZV9zdGFydCBjYWxsIHNjaGVkdWxlcyBpdHNlbGYgb3V0IHRvIGNo ZWNrIGJhY2sgbGF0ZXIuCj4KPiBPbiBDaHJvbWVPUy00LjQga2VybmVsLCB3aGljaCBpcyBmYWly bHkgdXAtdG8tZGF0ZSB3LnIudCBkcm0vaTkxNSBidXQKPiBsYWdzIHcuci50IGNvcmUga2VybmVs IGNvZGUsIGhvdCBwbHVnZ2luZyBhbiBleHRlcm5hbCBkaXNwbGF5IHRyaWdnZXJzCj4gdG9ucyBv ZiAicG90ZW50aWFsIGF0b21pYyB1cGRhdGUgZXJyb3JzIiBpbiB0aGUgZG1lc2csIG9uICpwaXBl IEEqLiBBCj4gY2xvc2VyIGFuYWx5c2lzIHJldmVhbHMgdGhhdCB3ZSB0cnkgdG8gcmVhZCB0aGUg c2NhbmxpbmUgMyB0aW1lcyBhbmQKPiBldmVudHVhbGx5IHRpbWVvdXQsIGIvYyBQU1IgaGFzbid0 IGV4aXRlZCBmdWxseSBsZWFkaW5nIHRvIGEgUElQRURTTAo+IHN0dWNrIEAgMTU5OS4gVGhpcyBp c3N1ZSBpcyBub3Qgc2VlbiBvbiB1cHN0cmVhbSBrZXJuZWxzLCBiL2MgZm9yICpzb21lKgo+IHJl YXNvbiB3ZSBsb29wIGluc2lkZSBpbnRlbF9waXBlX3VwZGF0ZSBzdGFydCBmb3IgfjIrIG1zZWMg d2hpY2ggaW4gdGhpcwo+IGNhc2UgaXMgbW9yZSB0aGFuIGVub3VnaCB0byBleGl0IFBTUiBmdWxs eSwgaGVuY2UgYW4gKnVuc3R1Y2sqIFBJUEVEU0wKPiBjb3VudGVyLCBoZW5jZSBubyBlcnJvci4g T24gdGhlIG90aGVyIGhhbmQsIHRoZSBDaHJvbWVPUyBrZXJuZWwgc3BlbmRzCj4gfjEuMSBtc2Vj IGxvb3BpbmcgaW5zaWRlIGludGVsX3BpcGVfdXBkYXRlX3N0YXJ0IGFuZCBoZW5jZSBlcnJvcnMg b3V0Cj4gYi9jIHRoZSBzb3VyY2UgaXMgc3RpbGwgaW4gUFNSLgo+Cj4gUmVnYXJkbGVzcywgd2Ug c2hvdWxkIHdhaXQgZm9yIFBTUiBleGl0IChpZiBQU1IgaXMgc3VwcG9ydGVkIGFuZCBhY3RpdmUK PiBvbiB0aGUgY3VycmVudCBwaXBlKSBiZWZvcmUgcmVhZGluZyB0aGUgUElQRURTTCwgYi9jIGlm IHdlIGhhdmVuJ3QKPiBmdWxseSBleGl0ZWQgUFNSLCB0aGVuIGNoZWNraW5nIGZvciB2Ymxhbmsg ZXZhc2lvbiBpc24ndCBhY3R1YWxseQo+IGFwcGxpY2FibGUuCj4KPiBUaGlzIHNjZW5hcmlvIGFw cGxpZXMgdG8gYSBjb25maWd1cmF0aW9uIHdpdGggYW4gYWRkaXRpb25hbCBwaXBlLAo+IGFzIG9m IG5vdy4KCkknbGwgbGV0IG90aGVycyBsb29rIGF0IHRoZSBjb250ZW50IG9mIHRoZSBwYXRjaCwg YnV0IGZvciB0aGlzIHRvIGJlCmNvbnNpZGVyZWQgZm9yIGluY2x1c2lvbiB0aGlzIG5lZWRzIHlv dXIgU2lnbmVkLW9mZi1ieSBbMV0uCgpCUiwKSmFuaS4KClsxXSBodHRwczovL3d3dy5rZXJuZWwu b3JnL2RvYy9odG1sL2xhdGVzdC9wcm9jZXNzL3N1Ym1pdHRpbmctcGF0Y2hlcy5odG1sI2RldmVs b3Blci1zLWNlcnRpZmljYXRlLW9mLW9yaWdpbi0xLTEKCj4KPiAtLS0KPiAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMgfCA3ICsrKysrLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDUg aW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9zcHJpdGUuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nw cml0ZS5jCj4gaW5kZXggYWExZGZhYTY5MmI5Li4xMzViNDE1Njg1MDMgMTAwNjQ0Cj4gLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfc3ByaXRlLmMKPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9zcHJpdGUuYwo+IEBAIC0xMDcsMTQgKzEwNywxNyBAQCB2b2lkIGludGVs X3BpcGVfdXBkYXRlX3N0YXJ0KGNvbnN0IHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpuZXdfY3J0 Y19zdGF0ZSkKPiAgCQkJCQkJICAgICAgVkJMQU5LX0VWQVNJT05fVElNRV9VUyk7Cj4gIAltYXgg PSB2Ymxhbmtfc3RhcnQgLSAxOwo+ICAKPiAtCWxvY2FsX2lycV9kaXNhYmxlKCk7Cj4gLQo+ICAJ aWYgKG1pbiA8PSAwIHx8IG1heCA8PSAwKQo+ICAJCXJldHVybjsKPiAgCj4gIAlpZiAoV0FSTl9P Tihkcm1fY3J0Y192YmxhbmtfZ2V0KCZjcnRjLT5iYXNlKSkpCj4gIAkJcmV0dXJuOwo+ICAKPiAr CWlmKG5ld19jcnRjX3N0YXRlLT5oYXNfcHNyICYmIGRldl9wcml2LT5wc3IuYWN0aXZlKQo+ICsJ CWludGVsX3dhaXRfZm9yX3JlZ2lzdGVyKGRldl9wcml2LCBFRFBfUFNSX1NUQVRVUywgRURQX1BT Ul9TVEFUVVNfU1RBVEVfTUFTSywgRURQX1BTUl9TVEFUVVNfU1RBVEVfSURMRSwgNSk7Cj4gKwo+ ICsJbG9jYWxfaXJxX2Rpc2FibGUoKTsKPiArCj4gIAljcnRjLT5kZWJ1Zy5taW5fdmJsID0gbWlu Owo+ICAJY3J0Yy0+ZGVidWcubWF4X3ZibCA9IG1heDsKPiAgCXRyYWNlX2k5MTVfcGlwZV91cGRh dGVfc3RhcnQoY3J0Yyk7CgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hu b2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=