From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E0B089DA6 for ; Wed, 17 Apr 2019 06:20:08 +0000 (UTC) References: <1555421738-15223-1-git-send-email-anshuman.gupta@intel.com> <1555421738-15223-2-git-send-email-anshuman.gupta@intel.com> From: Animesh Manna Message-ID: <312f575a-a401-5ad0-8aec-6fd176b77770@intel.com> Date: Wed, 17 Apr 2019 11:50:01 +0530 MIME-Version: 1.0 In-Reply-To: <1555421738-15223-2-git-send-email-anshuman.gupta@intel.com> Subject: Re: [igt-dev] [PATCH i-g-t v3 1/4] igt/i915/i915_pm_lpsp enable pm_lpsp for platforms till Gen11. List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Anshuman Gupta , igt-dev@lists.freedesktop.org List-ID: SGksCgoKT24gNC8xNi8yMDE5IDc6MDUgUE0sIEFuc2h1bWFuIEd1cHRhIHdyb3RlOgo+IEVuYWJs aW5nIGk5MTVfcG1fbHBzcCBpZ3QgdGVzdHMgZm9yIGFsbCBwbGF0Zm9ybXMgdGlsbCBHZW4xMS4K PiBFYXJsaWVyIHRoZXNlIHRlc3Qgd2VyZSBlbmFibGVkIG9ubHkgb24gaGFzd2VsbCBhbmQgYnJv YWR3ZWxsCj4gcGxhdGZvcm1zLgo+Cj4gQ2M6IGltcmUuZGVha0BpbnRlbC5jb20KPiBTaWduZWQt b2ZmLWJ5OiBBbnNodW1hbiBHdXB0YSA8YW5zaHVtYW4uZ3VwdGFAaW50ZWwuY29tPgo+IC0tLQo+ ICAgdGVzdHMvaTkxNS9pOTE1X3BtX2xwc3AuYyB8IDMwICsrKysrKysrKysrKysrKysrKysrKysr KysrKystLQo+ICAgMSBmaWxlIGNoYW5nZWQsIDI4IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25z KC0pCj4KPiBkaWZmIC0tZ2l0IGEvdGVzdHMvaTkxNS9pOTE1X3BtX2xwc3AuYyBiL3Rlc3RzL2k5 MTUvaTkxNV9wbV9scHNwLmMKPiBpbmRleCBiMzE5ZGJlLi4wMjBmOGIzIDEwMDY0NAo+IC0tLSBh L3Rlc3RzL2k5MTUvaTkxNV9wbV9scHNwLmMKPiArKysgYi90ZXN0cy9pOTE1L2k5MTVfcG1fbHBz cC5jCj4gQEAgLTMwLDE4ICszMCw0MyBAQAo+ICAgI2luY2x1ZGUgPGZjbnRsLmg+Cj4gICAjaW5j bHVkZSA8dW5pc3RkLmg+Cj4gICAKPiArI2RlZmluZSAgIEhTV19QV19DVExfSURYX0dMT0JBTCAg ICAgICAgICAgICAgICAgMTUKPiArI2RlZmluZSAgIFNLTF9QV19DVExfSURYX1BXXzIgICAgICAg ICAgICAgICAgICAgMTUKPiArI2RlZmluZSAgIElDTF9QV19DVExfSURYX1BXXzMgICAgICAgICAg ICAgICAgICAgMgo+ICsKPiArI2RlZmluZSAgIEhTV19QV1JfV0VMTF9DVExfUkVRKHB3X2lkeCkg ICAgICAgICAgKDB4MiA8PCAoKHB3X2lkeCkgKiAyKSkKPiArI2RlZmluZSAgIEhTV19QV1JfV0VM TF9DVExfU1RBVEUocHdfaWR4KSAgICAgICAgKDB4MSA8PCAoKHB3X2lkeCkgKiAyKSkKPiArCj4g K2ludCBub19scHNwX3B3X2lkeDsKUGxlYXNlIGFkZCBhIGNvZGUtY29tbWVudCBhYm91dCB0aGUg cHVycG9zZSBvZiB1c2luZyBnbG9iYWwgdmFyaWFibGUgaWYgCml0IGlzIHJlYWxseSBuZWVkZWQu Cj4gICAKPiAgIHN0YXRpYyBib29sIHN1cHBvcnRzX2xwc3AodWludDMyX3QgZGV2aWQpCj4gICB7 Cj4gLQlyZXR1cm4gSVNfSEFTV0VMTChkZXZpZCkgfHwgSVNfQlJPQURXRUxMKGRldmlkKTsKPiAr CXJldHVybiBJU19IQVNXRUxMKGRldmlkKSB8fCBJU19CUk9BRFdFTEwoZGV2aWQpCj4gKwkJCQkg fHwgQVRfTEVBU1RfR0VOKGRldmlkLCA5KTsKPiArfQo+ICsKPiArc3RhdGljIGJvb2wgZ2V0X25v X2xwc3BfcHdfaWR4KHVpbnQzMl90IGRldmlkKQoKVGhpcyBmdW5jdGlvbiByZXR1cm4gdHlwZSBp cyBjb25mdXNpbmcgdG8gbWUuCgo+ICt7Cj4gKwlpZiAoSVNfSEFTV0VMTChkZXZpZCkgfHwgSVNf QlJPQURXRUxMKGRldmlkKSkKPiArCQlub19scHNwX3B3X2lkeCA9IEhTV19QV19DVExfSURYX0dM T0JBTDsKPiArCWVsc2UgaWYgKElTX0dFTihkZXZpZCwgMTEpKQo+ICsJCW5vX2xwc3BfcHdfaWR4 ID0gSUNMX1BXX0NUTF9JRFhfUFdfMzsKPiArCWVsc2UgaWYgKEFUX0xFQVNUX0dFTihkZXZpZCwg OSkpCj4gKwkJbm9fbHBzcF9wd19pZHggPSBTS0xfUFdfQ1RMX0lEWF9QV18yOwo+ICsJZWxzZQo+ ICsJCXJldHVybiBmYWxzZTsKPiArCj4gKwlyZXR1cm4gdHJ1ZTsKClRoaXMgZnVuY3Rpb24gaXMg dXBkYXRpbmcgdGhlIHBvd2VyIHdlbGwgaW5kZXggYW5kIGFsc28gY2hlY2tpbmcgbHBzcCBpcyAK c3VwcG9ydGVkIG9yIG5vdCB3aGljaCBpcyBkdXBsaWNhdGlvbiBvZiBleGlzdGluZyBmdW5jdGlv biBzdXBwb3J0c19scHNwKCkuCkFzIHBlciB0aGUgYWJvdmUgY29kZSAidXBkYXRlIiB0YWcgaXMg bW9yZSBzdWl0YWJsZSB0aGFuICJnZXQiLgoKPiAgIH0KPiAgIAo+ICAgc3RhdGljIGJvb2wgbHBz cF9pc19lbmFibGVkKGludCBkcm1fZmQpCj4gICB7Cj4gICAJdWludDMyX3QgdmFsOwo+ICsJdWlu dDMyX3QgbWFzayA9IEhTV19QV1JfV0VMTF9DVExfUkVRKG5vX2xwc3BfcHdfaWR4KSB8Cj4gKwkJ CUhTV19QV1JfV0VMTF9DVExfU1RBVEUobm9fbHBzcF9wd19pZHgpOwoKZ2V0X25vX2xwc3BfcHdf aWR4KCkgY2FuIGJlIHVzZWQgaGVyZSB0byBnZXQgdGhlIHBvd2VyLXdlbGwgaW5kZXggYW5kIHRo ZW4gdXNlIGl0IHRvIGNyZWF0ZSB0aGUgbWFzaywgdGhlbiBnbG9iYWwgdmFyaWFibGUgY2FuIGJl IGF2b2lkZWQuCgoKPiAgIAo+ICAgCXZhbCA9IElOUkVHKEhTV19QV1JfV0VMTF9DVEwyKTsKPiAt CXJldHVybiAhKHZhbCAmIEhTV19QV1JfV0VMTF9TVEFURV9FTkFCTEVEKTsKPiArCXJldHVybiAh KCh2YWwgJiBtYXNrKSA9PSBtYXNrKTsKCjAgb3Igbm9uLXplcm8gc2hvdWxkIGJlIHRoZSBkZWNp c2lvbiBtYWtlci4gQmV0dGVyIG5vdCBjb21wYXJlIHdpdGggCiJtYXNrIiBhZnRlciBtYXNraW5n LAoKPiAgIH0KPiAgIAo+ICAgLyogVGhlIExQU1AgbW9kZSBpcyBhbGwgYWJvdXQgYW4gZW5hYmxl ZCBwaXBlLCBidXQgd2UgZXhwZWN0IHRvIGFsc28gYmUgaW4gdGhlCj4gQEAgLTIxMiw2ICsyMzcs NyBAQCBpZ3RfbWFpbgo+ICAgCj4gICAJCWludGVsX3JlZ2lzdGVyX2FjY2Vzc19pbml0KGludGVs X2dldF9wY2lfZGV2aWNlKCksIDAsIGRybV9mZCk7Cj4gICAKPiArCQlpZ3RfcmVxdWlyZShnZXRf bm9fbHBzcF9wd19pZHgoZGV2aWQpKTsKCnN1cHBvcnRzX2xwc3AoKSBtYXliZSBhcHByb3ByaWF0 ZSBoZXJlIHRvIGNoZWNrIGlndCBpcyByZXF1aXJlZCBvciBub3QuCgpSZWdhcmRzLApBbmltZXNo CgoKPiAgIAkJa21zdGVzdF9zZXRfdnRfZ3JhcGhpY3NfbW9kZSgpOwo+ICAgCX0KPiAgIAoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaWd0LWRldiBtYWls aW5nIGxpc3QKaWd0LWRldkBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pZ3QtZGV2