From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: edp resume/On time optimization. Date: Fri, 8 Jan 2016 14:55:47 +0200 Message-ID: <20160108125547.GW4437@intel.com> References: <1450747132-29893-1-git-send-email-abhay.kumar@intel.com> <20160107181537.GQ4437@intel.com> <568F1E8C.7040307@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id E91276E796 for ; Fri, 8 Jan 2016 04:56:04 -0800 (PST) Content-Disposition: inline In-Reply-To: <568F1E8C.7040307@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Kumar, Abhay" Cc: "Intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKYW4gMDcsIDIwMTYgYXQgMDY6Mjc6MjRQTSAtMDgwMCwgS3VtYXIsIEFiaGF5IHdy b3RlOgo+IAo+IAo+IE9uIDEvNy8yMDE2IDEwOjE1IEFNLCBWaWxsZSBTeXJqw6Rsw6Qgd3JvdGU6 Cj4gPiBPbiBNb24sIERlYyAyMSwgMjAxNSBhdCAwNToxODo1MlBNIC0wODAwLCBhYmhheS5rdW1h ckBpbnRlbC5jb20gd3JvdGU6Cj4gPj4gRnJvbTogQWJoYXkgS3VtYXIgPGFiaGF5Lmt1bWFyQGlu dGVsLmNvbT4KPiA+Pgo+ID4+IE1ha2UgcmVzdW1lL29uIGNvZGVwYXRoIG5vdCB0byB3YWl0IGZv ciBwYW5lbF9wb3dlcl9jeWNsZV9kZWxheSh0MTFfdDEyKQo+ID4+IGlmIHRoaXMgdGltZSBpcyBh bHJlYWR5IHNwZW50IGluIHN1c3BlbmQvcG93ZXJvbiB0aW1lLgo+ID4+Cj4gPj4gdjI6IFVzZSBD TE9DS19CT09UVElNRSBhbmQgcmVtb3ZlIGppZmZpZXMgZm9yIHBhbmVsIHBvd2VyIGN5Y2xlCj4g Pj4gICAgICBkZWxheSBjYWxjdWxhdGlvbihWaWxsZSkuCj4gPiBUaGUgYXBwcm9hY2ggc2VlbXMg cmVhc29uYWJsZSBlbm91Z2ggdG8gbWUuIFRoZXJlIGFyZSBhIGZldyBpc3N1ZXMgd2l0aAo+ID4g dGhlIHBhdGNoIHRob3VnaCwgc2VlIGJlbG93Lgo+ID4KPiA+PiBDYzogVmlsbGUgU3lyasOkbMOk IDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+PiBTaWduZWQtb2ZmLWJ5OiBBYmhh eSBLdW1hciA8YWJoYXkua3VtYXJAaW50ZWwuY29tPgo+ID4+IC0tLQo+ID4+ICAgZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMgfCAgMyArKysKPiA+PiAgIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2RwLmMgIHwgMjIgKysrKysrKysrKysrKystLS0tLS0tLQo+ID4+ICAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmggfCAgMiArLQo+ID4+ICAgMyBmaWxlcyBjaGFuZ2Vk LCAxOCBpbnNlcnRpb25zKCspLCA5IGRlbGV0aW9ucygtKQo+ID4+Cj4gPj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZGRpLmMKPiA+PiBpbmRleCBlNjQwOGU1Li40ODA2OTdkIDEwMDY0NAo+ID4+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jCj4gPj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGRpLmMKPiA+PiBAQCAtMjM5NSw2ICsyMzk1LDkgQEAgc3RhdGljIHZv aWQgaW50ZWxfZGRpX3Bvc3RfZGlzYWJsZShzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqaW50ZWxfZW5j b2RlcikKPiA+PiAgIAkJaW50ZWxfZHBfc2lua19kcG1zKGludGVsX2RwLCBEUk1fTU9ERV9EUE1T X09GRik7Cj4gPj4gICAJCWludGVsX2VkcF9wYW5lbF92ZGRfb24oaW50ZWxfZHApOwo+ID4+ICAg CQlpbnRlbF9lZHBfcGFuZWxfb2ZmKGludGVsX2RwKTsKPiA+PiArCj4gPj4gKwkJLyogc3Rvcmlu ZyBwYW5lbCBwb3dlciBvZmYgdGltZSAqLwo+ID4gVGhlIGNvbW1lbnQgc2VlbXMgcmF0aGVyIHBv aW50bGVzcy4KPiA+Cj4gPj4gKwkJaW50ZWxfZHAtPnBhbmVsX3Bvd2VyX29mZl90aW1lID0ga3Rp bWVfZ2V0X3dpdGhfb2Zmc2V0KFRLX09GRlNfQk9PVCk7Cj4gPiBUaGVyZSBhcHBlYXJzIHRvIGJl IGEgd3JhcHBlciBmb3IgdGhpczoga3RpbWVfZ2V0X2Jvb3R0aW1lKCkuCj4gPgo+ID4gTm90IHN1 cmUgd2h5IHlvdSdyZSBhZGRpbmcgdGhpcyBoZXJlIGFueXdheS4gU2hvdWxkIGJlIGVub3VnaCB0 byBqdXN0Cj4gPiByZXBsYWNlIHRoZSBwbGFjZXMgd2hlcmUgd2UgY3VycmVudGx5IHNhbXBsZSBq aWZmaWVzIHRvIHNhbXBsZSB0aGUgYm9vdAo+ID4gY2xvY2sgQUZBSUNTLgo+ID4KPiA+PiAgIAl9 Cj4gPj4gICAKPiA+PiAgIAlpZiAoSVNfU0tZTEFLRShkZXYpIHx8IElTX0tBQllMQUtFKGRldikp Cj4gPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gPj4gaW5kZXggNzk2ZTNkMy4uYzgxMzYwNSAx MDA2NDQKPiA+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gPj4gKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ID4+IEBAIC0zOCw3ICszOCw2IEBA Cj4gPj4gICAjaW5jbHVkZSAiaW50ZWxfZHJ2LmgiCj4gPj4gICAjaW5jbHVkZSA8ZHJtL2k5MTVf ZHJtLmg+Cj4gPj4gICAjaW5jbHVkZSAiaTkxNV9kcnYuaCIKPiA+PiAtCj4gPiBTcHVyaW91cyBj aGFuZ2UuCj4gPgo+ID4+ICAgI2RlZmluZSBEUF9MSU5LX0NIRUNLX1RJTUVPVVQJKDEwICogMTAw MCkKPiA+PiAgIAo+ID4+ICAgLyogQ29tcGxpYW5jZSB0ZXN0IHN0YXR1cyBiaXRzICAqLwo+ID4+ IEBAIC0xODEyLDEzICsxODExLDIyIEBAIHN0YXRpYyB2b2lkIHdhaXRfcGFuZWxfb2ZmKHN0cnVj dCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gPj4gICAKPiA+PiAgIHN0YXRpYyB2b2lkIHdhaXRfcGFu ZWxfcG93ZXJfY3ljbGUoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiA+PiAgIHsKPiA+PiAr CWt0aW1lX3QgcGFuZWxfcG93ZXJfb25fdGltZTsKPiA+PiArCXUzMiBwYW5lbF9wb3dlcl9vZmZf ZHVyYXRpb247Cj4gPj4gKwo+ID4+ICAgCURSTV9ERUJVR19LTVMoIldhaXQgZm9yIHBhbmVsIHBv d2VyIGN5Y2xlXG4iKTsKPiA+PiAgIAo+ID4+IC0JLyogV2hlbiB3ZSBkaXNhYmxlIHRoZSBWREQg b3ZlcnJpZGUgYml0IGxhc3Qgd2UgaGF2ZSB0byBkbyB0aGUgbWFudWFsCj4gPj4gLQkgKiB3YWl0 LiAqLwo+ID4+IC0Jd2FpdF9yZW1haW5pbmdfbXNfZnJvbV9qaWZmaWVzKGludGVsX2RwLT5sYXN0 X3Bvd2VyX2N5Y2xlLAo+ID4+IC0JCQkJICAgICAgIGludGVsX2RwLT5wYW5lbF9wb3dlcl9jeWNs ZV9kZWxheSk7Cj4gPj4gKyAgICAgICAgLyogdGFrZSB0aGUgZGlmZnJlbmNlIG9mIGN1cnJyZW50 IHRpbWUgYW5kIHBhbmVsIHBvd2VyIG9mZiB0aW1lCj4gPj4gKyAgICAgICAgICAgYW5kIHRoZW4g bWFrZSBwYW5lbCB3YWl0IGZvciB0MTFfdDEyIGlmIG5lZWRlZCAqLwo+ID4gSW5kZW50IGZhaWwu IEFsc28gdGhlIGNvbW1lbnQgaXNuJ3QgaW4gcHJvcGVyIGZvcm1hdC4KPiA+Cj4gPj4gKwlwYW5l bF9wb3dlcl9vbl90aW1lID0ga3RpbWVfZ2V0X3dpdGhfb2Zmc2V0KFRLX09GRlNfQk9PVCk7Cj4g Pj4gKwlwYW5lbF9wb3dlcl9vZmZfZHVyYXRpb24gPSAocGFuZWxfcG93ZXJfb25fdGltZS50djY0 IC0gaW50ZWxfZHAtPnBhbmVsX3Bvd2VyX29mZl90aW1lLnR2NjQpOwo+ID4+ICsJcGFuZWxfcG93 ZXJfb2ZmX2R1cmF0aW9uID0gcGFuZWxfcG93ZXJfb2ZmX2R1cmF0aW9uIC8gMTAwMDAwMDsKPiA+ IGt0aW1lX21zX2RlbHRhKCkgcGVyaGFwcz8KPiBzdXJlLgo+ID4KPiA+PiAgIAo+ID4+ICsJLyog V2hlbiB3ZSBkaXNhYmxlIHRoZSBWREQgb3ZlcnJpZGUgYml0IGxhc3Qgd2UgaGF2ZSB0byBkbyB0 aGUgbWFudWFsCj4gPj4gKwkgKiB3YWl0ICovCj4gPiBUaGlzIGNvbW1lbnQgZm9ybWF0dGluZyBp cyBhIGJpdCB3b25reSB0b28uIE1heWJlIHBvbGlzaCBpdCB1cCB3aGlsZSBhdAo+ID4gaXQuCj4g Pgo+ID4+ICsJaWYgKHBhbmVsX3Bvd2VyX29mZl9kdXJhdGlvbiA8IGludGVsX2RwLT5wYW5lbF9w b3dlcl9jeWNsZV9kZWxheSkKPiA+PiArCQl3YWl0X3JlbWFpbmluZ19tc19mcm9tX2ppZmZpZXMo amlmZmllcywKPiA+PiArCQkJCSAgICAgICAoaW50ZWxfZHAtPnBhbmVsX3Bvd2VyX2N5Y2xlX2Rl bGF5IC0gcGFuZWxfcG93ZXJfb2ZmX2R1cmF0aW9uKSk7Cj4gPj4gICAJd2FpdF9wYW5lbF9zdGF0 dXMoaW50ZWxfZHAsIElETEVfQ1lDTEVfTUFTSywgSURMRV9DWUNMRV9WQUxVRSk7Cj4gPj4gICB9 Cj4gPj4gICAKPiA+PiBAQCAtMTk2OSw3ICsxOTc3LDcgQEAgc3RhdGljIHZvaWQgZWRwX3BhbmVs X3ZkZF9vZmZfc3luYyhzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ID4+ICAgCUk5MTVfUkVB RChwcF9zdGF0X3JlZyksIEk5MTVfUkVBRChwcF9jdHJsX3JlZykpOwo+ID4+ICAgCj4gPj4gICAJ aWYgKChwcCAmIFBPV0VSX1RBUkdFVF9PTikgPT0gMCkKPiA+PiAtCQlpbnRlbF9kcC0+bGFzdF9w b3dlcl9jeWNsZSA9IGppZmZpZXM7Cj4gPj4gKwkJaW50ZWxfZHAtPnBhbmVsX3Bvd2VyX29mZl90 aW1lID0ga3RpbWVfZ2V0X3dpdGhfb2Zmc2V0KFRLX09GRlNfQk9PVCk7Cj4gPj4gICAKPiA+PiAg IAlwb3dlcl9kb21haW4gPSBpbnRlbF9kaXNwbGF5X3BvcnRfYXV4X3Bvd2VyX2RvbWFpbihpbnRl bF9lbmNvZGVyKTsKPiA+PiAgIAlpbnRlbF9kaXNwbGF5X3Bvd2VyX3B1dChkZXZfcHJpdiwgcG93 ZXJfZG9tYWluKTsKPiA+PiBAQCAtMjExOCw3ICsyMTI2LDYgQEAgc3RhdGljIHZvaWQgZWRwX3Bh bmVsX29mZihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ID4+ICAgCUk5MTVfV1JJVEUocHBf Y3RybF9yZWcsIHBwKTsKPiA+PiAgIAlQT1NUSU5HX1JFQUQocHBfY3RybF9yZWcpOwo+ID4+ICAg Cj4gPj4gLQlpbnRlbF9kcC0+bGFzdF9wb3dlcl9jeWNsZSA9IGppZmZpZXM7Cj4gPiBSZW1vdmlu ZyB0aGlzIGRvZW5zJ3Qgc2VlbSBjb3JyZWN0LiBJbnN0ZWFkIHdlIHNob3VsZCBzYW1wbGUgdGhl IGNsb2NrCj4gPiBoZXJlIGFzIHdlbGwuCj4gRG8gd2UgcmVhbGx5IG5lZWQgImxhc3RfcG93ZXJf Y3ljbGUiID8gQXMgdGhlIGt0aW1lX2dldF9ib290aW1lKCkgd2lsbCAKPiBhbHdheXMgY2FsY3Vs YXRlIHRoZSBib290IHRpbWUgaW4gZnJlc2ggYm9vdCBmcm9tIHplcm8gYW5kIHdlIG9ubHkgbmVl ZCAKPiB0byB0cmFjayB0aGUgZGVsdGEgdGltZSB3aGVuIHdlIGdvIHRvIHN1c3BlbmQgYW5kIHJl c3VtZS4KCldlIG5lZWQgdG8gdHJhY2sgaWYgZnJvbSB3aGVuIHRoZSBsYXN0IHBvd2VyIGN5Y2xl IHdhcyBpbml0aWF0ZWQuCgo+IHRoaXMgaXMgdGhlIHJlYXNvbiBpIHJlbW92ZWQgbGFzdF9wb3dl cl9jeWNsZSBzYW1wbGluZyBhbmQgYWxzbyAKPiBpbml0aWFsaXphdGlvbi4gUGxlYXNlIGxldCBt ZSBrbm93IGlmIHRoaXMgaXMgb2sgYW5kIG1ha2Ugc2Vuc2U/Cj4gCj4gPgo+ID4+ICAgCXdhaXRf cGFuZWxfb2ZmKGludGVsX2RwKTsKPiA+PiAgIAo+ID4+ICAgCS8qIFdlIGdvdCBhIHJlZmVyZW5j ZSB3aGVuIHdlIGVuYWJsZWQgdGhlIFZERC4gKi8KPiA+PiBAQCAtNTEyMiw3ICs1MTI5LDYgQEAg aW50ZWxfZHBfYWRkX3Byb3BlcnRpZXMoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwgc3RydWN0 IGRybV9jb25uZWN0b3IgKmNvbm5lY3QKPiA+PiAgIAo+ID4+ICAgc3RhdGljIHZvaWQgaW50ZWxf ZHBfaW5pdF9wYW5lbF9wb3dlcl90aW1lc3RhbXBzKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAp Cj4gPj4gICB7Cj4gPj4gLQlpbnRlbF9kcC0+bGFzdF9wb3dlcl9jeWNsZSA9IGppZmZpZXM7Cj4g PiBhbmQgSSBzdXBwb3NlIGhlcmUgdG9vLgo+ID4KPiA+PiAgIAlpbnRlbF9kcC0+bGFzdF9wb3dl cl9vbiA9IGppZmZpZXM7Cj4gPj4gICAJaW50ZWxfZHAtPmxhc3RfYmFja2xpZ2h0X29mZiA9IGpp ZmZpZXM7Cj4gPj4gICB9Cj4gPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiA+PiBpbmRleCBk NTIzZWJiLi44NGFkMTM0IDEwMDY0NAo+ID4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2Rydi5oCj4gPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiA+ PiBAQCAtNzY1LDkgKzc2NSw5IEBAIHN0cnVjdCBpbnRlbF9kcCB7Cj4gPj4gICAJaW50IGJhY2ts aWdodF9vZmZfZGVsYXk7Cj4gPj4gICAJc3RydWN0IGRlbGF5ZWRfd29yayBwYW5lbF92ZGRfd29y azsKPiA+PiAgIAlib29sIHdhbnRfcGFuZWxfdmRkOwo+ID4+IC0JdW5zaWduZWQgbG9uZyBsYXN0 X3Bvd2VyX2N5Y2xlOwo+ID4+ICAgCXVuc2lnbmVkIGxvbmcgbGFzdF9wb3dlcl9vbjsKPiA+PiAg IAl1bnNpZ25lZCBsb25nIGxhc3RfYmFja2xpZ2h0X29mZjsKPiA+PiArCWt0aW1lX3QgcGFuZWxf cG93ZXJfb2ZmX3RpbWU7Cj4gPj4gICAKPiA+PiAgIAlzdHJ1Y3Qgbm90aWZpZXJfYmxvY2sgZWRw X25vdGlmaWVyOwo+ID4+ICAgCj4gPj4gLS0gCj4gPj4gMS45LjEKCi0tIApWaWxsZSBTeXJqw6Rs w6QKSW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==