From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 3/4] drm/i915: Instrument PSR parameter for possible quirks with link standby. Date: Fri, 22 Jan 2016 13:26:24 +0200 Message-ID: <87k2n1vorj.fsf@intel.com> References: <1449851995-8108-1-git-send-email-rodrigo.vivi@intel.com> <1449851995-8108-3-git-send-email-rodrigo.vivi@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 9C16B6E2E7 for ; Fri, 22 Jan 2016 03:26:34 -0800 (PST) In-Reply-To: <1449851995-8108-3-git-send-email-rodrigo.vivi@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: Daniel Vetter , Rodrigo Vivi List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAxMSBEZWMgMjAxNSwgUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlAaW50ZWwuY29t PiB3cm90ZToKPiBVbmZvcnR1bmF0ZWx5IHdlIGRvbid0IGtub3cgYWxsIHBhbmVscyBhbmQgcGxh dGZvcm1zIG91dCB0aGVyZSBhbmQgd2UKPiBmb3VuZCBpbnRlcm5hbCBwcm90b3R5cGVzIHdpdGhv dXQgVkJUIHByb3BlciBzZXQgYnV0IHdoZXJlIG9ubHkKPiBsaW5rIGluIHN0YW5kYnkgd29ya2Vk IHdlbGwuCj4KPiBTbywgYmVmb3JlIGVuYWJsZSBQU1IgYnkgZGVmYXVsdCBsZXQncyBpbnN0cnVt ZW50IHRoZSBQU1IgcGFyYW1ldGVyCj4gaW4gYSB3YXkgdGhhdCB3ZSBjYW4gaWRlbnRpZnkgZGlm ZmVyZW50IHBhbmVscyBvdXQgdGhlcmUgdGhhdCBtaWdodAo+IHJlcXVpcmUgb3Igd29yayBiZXR0 ZXIgd2l0aCBsaW5rIHN0YW5kYnkgbW9kZS4KPgo+IEl0IGlzIGFsc28gdXNlZnVsIHRvIHNheSB0 aGF0IGZvciBiYWNrd2FyZCBjb21wYXRpYmlsaXR5IEknbSBub3QKPiBjaGFuZ2luZyB0aGUgbWVh bmluZyBvZiB0aGlzIGZsYWcuIFNvICIwIiBzdGlsbCBtZWFucyBkaXNhYmxlZAo+IGFuZCAiMSIg bWVhbnMgZW5hYmxlZCB3aXRoIGZ1bGwgc3VwcG9ydCBhbmQgbWF4aW11bSBwb3dlciBzYXZpbmdz Lgo+Cj4gdjI6IFVzZSBwb3NpdGl2ZSB2YWx1ZSBpbnN0ZWFkIG9mIG5lZ2F0aXZlIGZvciBkaWZm ZXJlbnQgb3BlcmF0aW9uIG1vZGUKPiAgICAgYXMgc3VnZ2VzdGVkIGJ5IERhbmllbC4KPgo+IHYz OiBBcyBQYXVsbyBzdWdnZXN0ZWQgdXNlIDIgdG8gZm9yY2UgbGluayBzdGFuZGJ5IGFuZCAzIHRv IGZvcmNlIGxpbmsKPiAgICAgZnVsbHkgb24uIEFsc28gc3BsaXQgdGhlIGxpbmtfc3RhbmRieSBp bnRyb2R1Y3Rpb24gaW4gYSBzZXBhcmF0ZWQgcGF0Y2guCj4KPiBDYzogUGF1bG8gWmFub25pIDxw YXVsby5yLnphbm9uaUBpbnRlbC5jb20+Cj4gQ2M6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0 ZXJAZmZ3bGwuY2g+Cj4gU2lnbmVkLW9mZi1ieTogUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlA aW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3BhcmFtcy5jIHwg IDcgKysrKysrLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYyAgIHwgMTcgKysr KysrKysrKysrKysrKysKPiAgMiBmaWxlcyBjaGFuZ2VkLCAyMyBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wYXJh bXMuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcGFyYW1zLmMKPiBpbmRleCA4MzVkNjA5 Li5mNzhkZGYzIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcGFyYW1z LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3BhcmFtcy5jCj4gQEAgLTEyNiw3 ICsxMjYsMTIgQEAgTU9EVUxFX1BBUk1fREVTQyhlbmFibGVfZXhlY2xpc3RzLAo+ICAJIigtMT1h dXRvIFtkZWZhdWx0XSwgMD1kaXNhYmxlZCwgMT1lbmFibGVkKSIpOwo+ICAKPiAgbW9kdWxlX3Bh cmFtX25hbWVkX3Vuc2FmZShlbmFibGVfcHNyLCBpOTE1LmVuYWJsZV9wc3IsIGludCwgMDYwMCk7 Cj4gLU1PRFVMRV9QQVJNX0RFU0MoZW5hYmxlX3BzciwgIkVuYWJsZSBQU1IgKGRlZmF1bHQ6IGZh bHNlKSIpOwo+ICtNT0RVTEVfUEFSTV9ERVNDKGVuYWJsZV9wc3IsICJFbmFibGUgUFNSICIKPiAr CQkgIigwPWRpc2FibGVkIFtkZWZhdWx0XSwgMT1lbmFibGVkIC0gbGluayBtb2RlIGNob3NlbiBw ZXItcGxhdGZvcm0sIDI9Zm9yY2UgbGluay1zdGFuZGJ5IG1vZGUsIDM9Zm9yY2UgbGluay1vZmYg bW9kZSkiCgpTaW5jZSB0aGlzIHBhcmFtZXRlciBpcyBfdW5zYWZlLCBJJ20gZmluZSB3aXRoIGFk ZGluZyB0aGUgYWx0ZXJuYXRpdmVzLgoKPiArCQkgIkluIGNhc2UgeW91IG5lZWRlZCB0byBmb3Jj ZSBhbnkgZGlmZmVyZW50IG9wdGlvbiwgcGxlYXNlICIKPiArCQkgInJlcG9ydCBQQ0kgZGV2aWNl IElELCBzdWJzeXN0ZW0gdmVuZG9yIGFuZCBzdWJzeXN0ZW0gZGV2aWNlIElEICIKPiArCQkgInRv IGludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcsIGlmIHlvdXIgbWFjaGluZSBuZWVkcyBp dC4gIgo+ICsJCSAiSXQgd2lsbCB0aGVuIGJlIGluY2x1ZGVkIGluIGFuIHVwY29taW5nIG1vZHVs ZSB2ZXJzaW9uLiIpOwoKSG93ZXZlciBJIG9iamVjdCB0byB0aGUgaW1wbGllZCBwbGFuIG9mIHF1 aXJraW5nIHRoaXMgaW4gdGhlIGRyaXZlci4gSQpkbyBub3QgdGhpbmsgcXVpcmtpbmcgc2hvdWxk IGJlIHBlcmNlaXZlZCBhcyBhIHZpYWJsZSBvcHRpb24gZm9yCmFueXRoaW5nLiBJdCdzIGEgbWFp bnRhaW5hYmlsaXR5IG5pZ2h0bWFyZS4KCkJSLApKYW5pLgoKCgo+ICAKPiAgbW9kdWxlX3BhcmFt X25hbWVkX3Vuc2FmZShwcmVsaW1pbmFyeV9od19zdXBwb3J0LCBpOTE1LnByZWxpbWluYXJ5X2h3 X3N1cHBvcnQsIGludCwgMDYwMCk7Cj4gIE1PRFVMRV9QQVJNX0RFU0MocHJlbGltaW5hcnlfaHdf c3VwcG9ydCwKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+IGluZGV4IGI4NGVjODAuLmMzYzJi YjggMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+IEBAIC0zMzUsNiArMzM1LDEyIEBA IHN0YXRpYyBib29sIGludGVsX3Bzcl9tYXRjaF9jb25kaXRpb25zKHN0cnVjdCBpbnRlbF9kcCAq aW50ZWxfZHApCj4gIAkJcmV0dXJuIGZhbHNlOwo+ICAJfQo+ICAKPiArCWlmICgoSVNfVkFMTEVZ VklFVyhkZXYpIHx8IElTX0NIRVJSWVZJRVcoZGV2KSkgJiYKPiArCSAgICBkZXZfcHJpdi0+cHNy Lmxpbmtfc3RhbmRieSkgewo+ICsJCURSTV9ERUJVR19LTVMoIlBTUiBjb25kaXRpb24gZmFpbGVk OiBMaW5rIG9mZiByZXF1ZXN0ZWQvbmVlZGVkIGJ1dCBub3Qgc3VwcG9ydGVkIG9uIHRoaXMgcGxh dGZvcm1cbiIpOwo+ICsJCXJldHVybiBmYWxzZTsKPiArCX0KPiArCj4gIAlpZiAoSEFTX0RESShk ZXYpICYmICFkZXZfcHJpdi0+cHNyLmxpbmtfc3RhbmRieSAmJgo+ICAJICAgIGRpZ19wb3J0LT5w b3J0ICE9IFBPUlRfQSkgewo+ICAJCURSTV9ERUJVR19LTVMoIlBTUiBjb25kaXRpb24gZmFpbGVk OiBMaW5rIE9mZiByZXF1ZXN0ZWQvbmVlZGVkIGJ1dCBub3Qgc3VwcG9ydGVkIG9uIHRoaXMgcG9y dFxuIik7Cj4gQEAgLTc3MSw2ICs3NzcsNyBAQCB2b2lkIGludGVsX3Bzcl9pbml0KHN0cnVjdCBk cm1fZGV2aWNlICpkZXYpCj4gIAlkZXZfcHJpdi0+cHNyX21taW9fYmFzZSA9IElTX0hBU1dFTEwo ZGV2X3ByaXYpID8KPiAgCQlIU1dfRURQX1BTUl9CQVNFIDogQkRXX0VEUF9QU1JfQkFTRTsKPiAg Cj4gKwkvKiBTZXQgbGlua19zdGFuZGJ5IHggbGlua19vZmYgZGVmYXVsdHMgKi8KPiAgCWlmIChJ U19IQVNXRUxMKGRldikgfHwgSVNfQlJPQURXRUxMKGRldikpCj4gIAkJLyoKPiAgCQkgKiBPbiBI U1cgYW5kIEJEVyBTb3VyY2UgaW1wbGVtZW50YXRpb24gYXMgYW4gaXNzdWUgd2l0aCBQU1IKPiBA QCAtNzg2LDYgKzc5MywxNiBAQCB2b2lkIGludGVsX3Bzcl9pbml0KHN0cnVjdCBkcm1fZGV2aWNl ICpkZXYpCj4gIAkJLyogRm9yIG5ldyBwbGF0Zm9ybXMgbGV0J3MgcmVzcGVjdCBWQlQgYmFjayBh Z2FpbiAqLwo+ICAJCWRldl9wcml2LT5wc3IubGlua19zdGFuZGJ5ID0gZGV2X3ByaXYtPnZidC5w c3IuZnVsbF9saW5rOwo+ICAKPiArCS8qIE92ZXJyaWRlIGxpbmtfc3RhbmRieSB4IGxpbmtfb2Zm IGRlZmF1bHRzICovCj4gKwlpZiAoaTkxNS5lbmFibGVfcHNyID09IDIgJiYgIWRldl9wcml2LT5w c3IubGlua19zdGFuZGJ5KSB7Cj4gKwkJRFJNX0RFQlVHX0tNUygiUFNSOiBGb3JjaW5nIGxpbmsg c3RhbmRieVxuIik7Cj4gKwkJZGV2X3ByaXYtPnBzci5saW5rX3N0YW5kYnkgPSB0cnVlOwo+ICsJ fQo+ICsJaWYgKGk5MTUuZW5hYmxlX3BzciA9PSAzICYmIGRldl9wcml2LT5wc3IubGlua19zdGFu ZGJ5KSB7Cj4gKwkJRFJNX0RFQlVHX0tNUygiUFNSOiBGb3JjaW5nIG1haW4gbGluayBvZmZcbiIp Owo+ICsJCWRldl9wcml2LT5wc3IubGlua19zdGFuZGJ5ID0gZmFsc2U7Cj4gKwl9Cj4gKwo+ICAJ SU5JVF9ERUxBWUVEX1dPUksoJmRldl9wcml2LT5wc3Iud29yaywgaW50ZWxfcHNyX3dvcmspOwo+ ICAJbXV0ZXhfaW5pdCgmZGV2X3ByaXYtPnBzci5sb2NrKTsKPiAgfQoKLS0gCkphbmkgTmlrdWxh LCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=