From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: Re: [PATCH] drm/i915/psr: Kill delays when activating psr back. Date: Mon, 18 Jun 2018 13:21:45 -0700 Message-ID: <1529353305.7432.126.camel@intel.com> References: <20180613192600.3955-1-rodrigo.vivi@intel.com> <1528933745.7432.14.camel@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 mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id D23276E145 for ; Mon, 18 Jun 2018 19:56:03 +0000 (UTC) In-Reply-To: <1528933745.7432.14.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: Rodrigo Vivi , intel-gfx@lists.freedesktop.org, =?ISO-8859-1?Q?Jos=E9?= Roberto de Souza List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyMDE4LTA2LTEzIGF0IDE2OjQ5IC0wNzAwLCBEaGluYWthcmFuIFBhbmRpeWFuIHdy b3RlOgo+IE9uIFdlZCwgMjAxOC0wNi0xMyBhdCAxMjoyNiAtMDcwMCwgUm9kcmlnbyBWaXZpIHdy b3RlOgo+ID4gCj4gPiBUaGUgaW1tZWRpYXRlIGVuYWJsaW5nIHdhcyBhY3R1YWxseSBub3QgYW4g aXNzdWUgZm9yIHRoZQo+ID4gSFcgcGVyc3BlY3RpdmUgZm9yIGNvcmUgcGxhdGZvcm1zIHRoYXQg aGF2ZSBIVyB0cmFja2luZy4KPiA+IEhXIHdpbGwgd2FpdCBmZXcgaWRlbnRpY2FsIGlkbGUgZnJh bWVzIGJlZm9yZSB0cmFuc2l0aW9uaW5nCj4gPiB0byBhY3R1YWwgcHNyIGFjdGl2ZSBhbnl3YXlz Lgo+ID4gCj4gPiBOb3cgdGhhdCB3ZSByZW1vdmVkIFZMVi9DSFYgb3V0IG9mIHRoZSBwaWN0dXJl IGNvbXBsZXRlbHkKPiA+IHdlIGNhbiBzYWZlbHkgcmVtb3ZlIGFueSBkZWxheXMuCj4gPiAKPiA+ IE5vdGUgdGhhdCB0aGlzIHBhdGNoIGFsc28gcmVtb3ZlIHRoZSBkZWxheWVkIGFjdGl2YXRpb24K PiA+IG9uIEhTVyBhbmQgQkRXIGludHJvZHVjZWQgYnkgY29tbWl0ICdkMGFjODk2YTQ3N2QKPiA+ ICgiZHJtL2k5MTU6IERlbGF5IGZpcnN0IFBTUiBhY3RpdmF0aW9uLiIpJy4gVGhpcyB3YXMKPiA+ IGludHJvZHVjZWQgdG8gZml4IGEgYmxhbmsgc2NyZWVuIG9uIFZMVi9DSFYgYW5kIGFsc28KPiA+ IG1hc2tlZCBzb21lIGZyb3plbiBzY3JlZW5zIG9uIG90aGVyIGNvcmUgcGxhdGZvcm1zLgo+ID4g UHJvYmFibHkgdGhlIHNhbWUgdGhhdCB3ZSBhcmUgbm93IHByb3Blcmx5IGh1bnRpbmcgYW5kIGZp eGluZy4KPiA+IAo+ID4gdjI6KERLKTogUmVtb3ZlIHVubmVjZXNzYXJ5IFdBUk5fT05zIGFuZCBt YWtlIHNvbWUgb3RoZXIKPiA+IMKgwqDCoMKgwqDCoMKgwqDCoFZMViB8IENIViBtb3JlIHJlYWRh YmxlLgo+ID4gdjM6IERvIGl0IHJlZ2FyZGxlc3MgdGhlIHRpbWVyIHJld29yay4KPiA+IHY0OiAo REsvQ0kpOiBBZGQgVkxWIHx8IENIViBjaGVjayBvbiBjYW5jZWwgd29yayBhdCBwc3JfZGlzYWJs ZS4KPiA+IHY1OiBLaWxsIHJlbWFpbmluZyBpdGVtcyBhbmQgZnVsbHkgcmV3b3JrIGFjdGl2YXRp b24gZnVuY3Rpb25zLgo+ID4gdjY6IFJlYmFzZSBvbiB0b3Agb2YgVkxWL0NIViBjbGVhbi11cCBh bmQga2VlcCB0aGUgcmVhY3RpdmF0aW9uCj4gPiDCoMKgwqDCoG9uIGEgcmVndWxhciBub24tZGVs YXllZCB3b3JrIHRvIGF2b2lkIGV4dHJhIGRlbGF5cyBvbiBleGl0Cj4gPiDCoMKgwqDCoGNhbGxz IGFuZCBhbGxvdyB1cyB0byBhZGQgZmV3IG1vcmUgc2FmZXR5IGNoZWNrcyBiZWZvcmUKPiA+IMKg wqDCoMKgcmVhbCBhY3RpdmF0aW9uLgo+IFdlIGhhdmUgdG8gaW1wbGVtZW50IHRoaXMgYnNwZWMg c3RlcCBpbiB0aGUgZGlzYWJsZSBzZXF1ZW5jZSBub3cgdGhhdAo+IHlvdSBhcmUgcmVtb3Zpbmcg dGhlIGRlbGF5IC3CoAo+ICJXYWl0IGZvciBTUkRfU1RBVFVTIHRvIHNob3cgU1JEIGlzIElkbGUu IFRoaXMgd2lsbCB0YWtlIHVwIHRvIG9uZQo+IGZ1bGwKPiBmcmFtZSB0aW1lICgxL3JlZnJlc2gg cmF0ZSksIHBsdXMgU1JEIGV4aXQgdHJhaW5pbmcgdGltZSAobWF4IG9mCj4gNm1zKSwKPiBwbHVz IFNSRCBhdXggY2hhbm5lbCBoYW5kc2hha2UgKG1heCBvZiAxLjVtcykuIgo+IAo+IE90aGVyd2lz ZSwgd2UgY2FuIGVuZCB1cCByZS1lbmFibGluZyByaWdodCBhZnRlciBhIGRpc2FibGUgaW4KPiBw c3JfZXhpdCgpCj4gCj4gCj4gPiAKPiA+IAo+ID4gQ2M6IERoaW5ha2FyYW4gUGFuZGl5YW4gPGRo aW5ha2FyYW4ucGFuZGl5YW5AaW50ZWwuY29tPgo+ID4gU2lnbmVkLW9mZi1ieTogUm9kcmlnbyBW aXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29tPgo+ID4gLS0tCj4gPiDCoGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZGVidWdmcy5jIHzCoMKgMiAtLQo+ID4gwqBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2Rydi5owqDCoMKgwqDCoHzCoMKgMiArLQo+ID4gwqBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9wc3IuY8KgwqDCoMKgfCAyOSArKysrKysrLS0tLS0tLS0tLS0tLS0tLS0tCj4gPiAt LS0tCj4gPiDCoDMgZmlsZXMgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAyNSBkZWxldGlvbnMo LSkKPiA+IAo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdm cy5jCj4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdmcy5jCj4gPiBpbmRleCA3 NjlhYjk3NDU4MzQuLjk0OGI5NzNhZjA2NyAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZGVidWdmcy5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2RlYnVnZnMuYwo+ID4gQEAgLTI2NjAsOCArMjY2MCw2IEBAIHN0YXRpYyBpbnQgaTkxNV9lZHBf cHNyX3N0YXR1cyhzdHJ1Y3QKPiA+IHNlcV9maWxlCj4gPiAqbSwgdm9pZCAqZGF0YSkKPiA+IMKg CXNlcV9wcmludGYobSwgIkVuYWJsZWQ6ICVzXG4iLCB5ZXNubygoYm9vbClkZXZfcHJpdi0KPiA+ ID4gCj4gPiA+IHBzci5lbmFibGVkKSk7Cj4gPiDCoAlzZXFfcHJpbnRmKG0sICJCdXN5IGZyb250 YnVmZmVyIGJpdHM6IDB4JTAzeFxuIiwKPiA+IMKgCQnCoMKgwqBkZXZfcHJpdi0+cHNyLmJ1c3lf ZnJvbnRidWZmZXJfYml0cyk7Cj4gPiAtCXNlcV9wcmludGYobSwgIlJlLWVuYWJsZSB3b3JrIHNj aGVkdWxlZDogJXNcbiIsCj4gPiAtCQnCoMKgwqB5ZXNubyh3b3JrX2J1c3koJmRldl9wcml2LT5w c3Iud29yay53b3JrKSkpOwo+ID4gwqAKPiA+IMKgCWlmIChkZXZfcHJpdi0+cHNyLnBzcjJfZW5h YmxlZCkKPiA+IMKgCQllbmFibGVkID0gSTkxNV9SRUFEKEVEUF9QU1IyX0NUTCkgJgo+ID4gRURQ X1BTUjJfRU5BQkxFOwo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZHJ2LmgKPiA+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+ID4gaW5kZXggYmU4 YzJmMDgyM2M0Li4xOWRlZmU3M2IxNTYgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2Rydi5oCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5o Cj4gPiBAQCAtNjEzLDcgKzYxMyw3IEBAIHN0cnVjdCBpOTE1X3BzciB7Cj4gPiDCoAlib29sIHNp bmtfc3VwcG9ydDsKPiA+IMKgCXN0cnVjdCBpbnRlbF9kcCAqZW5hYmxlZDsKPiA+IMKgCWJvb2wg YWN0aXZlOwo+ID4gLQlzdHJ1Y3QgZGVsYXllZF93b3JrIHdvcms7Cj4gPiArCXN0cnVjdCB3b3Jr X3N0cnVjdCB3b3JrOwo+ID4gwqAJdW5zaWduZWQgYnVzeV9mcm9udGJ1ZmZlcl9iaXRzOwo+ID4g wqAJYm9vbCBzaW5rX3BzcjJfc3VwcG9ydDsKPiA+IMKgCWJvb2wgbGlua19zdGFuZGJ5Owo+ID4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gPiBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5jCj4gPiBpbmRleCA3MWRmZTU0MTc0MGYuLmVmMGY0 NzQxYTk1ZCAxMDA2NDQKPiA+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bzci5j Cj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+ID4gQEAgLTY3MSwy MSArNjcxLDcgQEAgdm9pZCBpbnRlbF9wc3JfZW5hYmxlKHN0cnVjdCBpbnRlbF9kcAo+ID4gKmlu dGVsX2RwLAo+ID4gwqAJZGV2X3ByaXYtPnBzci5lbmFibGVfc291cmNlKGludGVsX2RwLCBjcnRj X3N0YXRlKTsKPiA+IMKgCWRldl9wcml2LT5wc3IuZW5hYmxlZCA9IGludGVsX2RwOwo+ID4gwqAK PiA+IC0JaWYgKElOVEVMX0dFTihkZXZfcHJpdikgPj0gOSkgewo+ID4gLQkJaW50ZWxfcHNyX2Fj dGl2YXRlKGludGVsX2RwKTsKPiA+IC0JfSBlbHNlIHsKPiA+IC0JCS8qCj4gPiAtCQnCoCogRklY TUU6IEFjdGl2YXRpb24gc2hvdWxkIGhhcHBlbiBpbW1lZGlhdGVseQo+ID4gc2luY2UKPiA+IHRo aXMKPiA+IC0JCcKgKiBmdW5jdGlvbiBpcyBqdXN0IGNhbGxlZCBhZnRlciBwaXBlIGlzIGZ1bGx5 Cj4gPiB0cmFpbmVkIGFuZAo+ID4gLQkJwqAqIGVuYWJsZWQuCj4gPiAtCQnCoCogSG93ZXZlciBv biBzb21lIHBsYXRmb3JtcyB3ZSBmYWNlIGlzc3VlcyB3aGVuCj4gPiBmaXJzdAo+ID4gLQkJwqAq IGFjdGl2YXRpb24gZm9sbG93cyBhIG1vZGVzZXQgc28gcXVpY2tseS4KPiA+IC0JCcKgKsKgwqDC oMKgwqAtIE9uIEhTVy9CRFcgd2UgZ2V0IGEgcmVjb3ZlcmFibGUgZnJvemVuCj4gPiBzY3JlZW4g dW50aWwKPiA+IC0JCcKgKsKgwqDCoMKgwqDCoMKgbmV4dCBleGl0LWFjdGl2YXRlIHNlcXVlbmNl Lgo+ID4gLQkJwqAqLwo+ID4gLQkJc2NoZWR1bGVfZGVsYXllZF93b3JrKCZkZXZfcHJpdi0+cHNy LndvcmssCj4gPiAtCQkJCcKgwqDCoMKgwqDCoG1zZWNzX3RvX2ppZmZpZXMoaW50ZWxfZHAtCj4g PiA+IAo+ID4gPiBwYW5lbF9wb3dlcl9jeWNsZV9kZWxheSAqIDUpKTsKPiA+IC0JfQo+ID4gKwlp bnRlbF9wc3JfYWN0aXZhdGUoaW50ZWxfZHApOwo+ID4gwqAKPiA+IMKgdW5sb2NrOgo+ID4gwqAJ bXV0ZXhfdW5sb2NrKCZkZXZfcHJpdi0+cHNyLmxvY2spOwo+ID4gQEAgLTc2OCw4ICs3NTQsNiBA QCB2b2lkIGludGVsX3Bzcl9kaXNhYmxlKHN0cnVjdCBpbnRlbF9kcAo+ID4gKmludGVsX2RwLAo+ ID4gwqAKPiA+IMKgCWRldl9wcml2LT5wc3IuZW5hYmxlZCA9IE5VTEw7Cj4gPiDCoAltdXRleF91 bmxvY2soJmRldl9wcml2LT5wc3IubG9jayk7Cj4gPiAtCj4gPiAtCWNhbmNlbF9kZWxheWVkX3dv cmtfc3luYygmZGV2X3ByaXYtPnBzci53b3JrKTsKPiA+IMKgfQo+ID4gwqAKPiA+IMKgc3RhdGlj IGJvb2wgcHNyX3dhaXRfZm9yX2lkbGUoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2 KQo+ID4gQEAgLTgwNSwxMCArNzg5LDEzIEBAIHN0YXRpYyBib29sIHBzcl93YWl0X2Zvcl9pZGxl KHN0cnVjdAo+ID4gZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gPiDCoHN0YXRpYyB2b2lk IGludGVsX3Bzcl93b3JrKHN0cnVjdCB3b3JrX3N0cnVjdCAqd29yaykKPiA+IMKgewo+ID4gwqAJ c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0KPiA+IC0JCWNvbnRhaW5lcl9vZih3 b3JrLCB0eXBlb2YoKmRldl9wcml2KSwKPiA+IHBzci53b3JrLndvcmspOwo+ID4gKwkJY29udGFp bmVyX29mKHdvcmssIHR5cGVvZigqZGV2X3ByaXYpLCBwc3Iud29yayk7Cj4gPiDCoAo+ID4gwqAJ bXV0ZXhfbG9jaygmZGV2X3ByaXYtPnBzci5sb2NrKTsKPiA+IMKgCj4gPiArCWlmICghZGV2X3By aXYtPnBzci5lbmFibGVkKQo+ID4gKwkJZ290byB1bmxvY2s7Cj4gPiArCj4gSSB0aG91Z2h0IGZs dXNoX3dvcmsoKSB3YXMgbWlzc2luZyBpbiBwc3JfZGlzYWJsZSgpLCBidXQgdGhpcyBjaGVjawo+ IHNob3VsZCB0YWtlIGNhcmUgb2Ygbm90IGVuYWJsaW5nIFBTUiBhZnRlciBwc3JfZGlzYWJsZSgp Cj4gCkxvb2tzIGxpa2UgYSBjYW5jZWxfd29ya19zeW5jKCkgaXMgc3RpbGwgbmVlZGVkLApodHRw czovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDY5NDgKCklmIHRoZSB3 b3JrIGl0ZW0gd2FzIGFscmVhZHkgc2NoZWR1bGVkIGFuZCBpcyBmb2xsb3dlZCBieSBwc3JfZGlz YWJsZQotPiBwc3JfZW5hYmxlLCB3ZSdsbCBlbmQgdXAgaGl0dGluZyB0aGUgcHNyLmFjdGl2ZSB3 YXJuaW5nLgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK