From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rodrigo Vivi Subject: Re: [PATCH] drm/i915/psr: Check if VBT says PSR can be enabled. Date: Wed, 9 May 2018 05:29:14 -0700 Message-ID: <20180509122914.GD2552@intel.com> References: <20180509003524.3199-1-dhinakaran.pandiyan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id D7E576E002 for ; Wed, 9 May 2018 12:29:15 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20180509003524.3199-1-dhinakaran.pandiyan@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dhinakaran Pandiyan Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXkgMDgsIDIwMTggYXQgMDU6MzU6MjRQTSAtMDcwMCwgRGhpbmFrYXJhbiBQYW5k aXlhbiB3cm90ZToKPiBEcml2ZXIgZmVhdHVyZXMgZGF0YSBibG9jayBoYXMgYSBib29sZWFuIGZs YWcgZm9yIFBTUiwgdXNlIHRoaXMgdG8gZGVjaWRlCj4gd2hldGhlciBQU1Igc2hvdWxkIGJlIGVu YWJsZWQgb24gYSBwbGF0Zm9ybS4gVGhlIG1vZHVsZSBwYXJhbWV0ZXIgY2FuCj4gc3RpbGwgYmUg dXNlZCB0byBvdmVycmlkZSB0aGlzLgo+IAo+IE5vdGU6IFRoZSBmZWF0dXJlIGN1cnJlbnRseSBy ZW1haW5zIGRpc2FibGVkIGJ5IGRlZmF1bHQgZm9yIGFsbCBwbGF0Zm9ybXMKPiBpcnJlc3BlY3Rp dmUgb2Ygd2hhdCBWQlQgc2F5cy4KPiAKPiBDYzogUm9kcmlnbyBWaXZpIDxyb2RyaWdvLnZpdmlA aW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IERoaW5ha2FyYW4gUGFuZGl5YW4gPGRoaW5ha2Fy YW4ucGFuZGl5YW5AaW50ZWwuY29tPgoKUmV2aWV3ZWQtYnk6IFJvZHJpZ28gVml2aSA8cm9kcmln by52aXZpQGludGVsLmNvbT4KCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2 LmggICB8IDEgKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9iaW9zLmMgfCAxICsKPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMgIHwgNyArKysrKy0tCj4gIDMgZmlsZXMg Y2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kcnYuaAo+IGluZGV4IDA0ZTI3ODA2ZTU4MS4uMjRjNWU0NzY1YWZkIDEwMDY0NAo+IC0t LSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2Rydi5oCj4gQEAgLTEwNzMsNiArMTA3Myw3IEBAIHN0cnVjdCBpbnRlbF92 YnRfZGF0YSB7Cj4gIAl9IGVkcDsKPiAgCj4gIAlzdHJ1Y3Qgewo+ICsJCWJvb2wgZW5hYmxlOwo+ ICAJCWJvb2wgZnVsbF9saW5rOwo+ICAJCWJvb2wgcmVxdWlyZV9hdXhfd2FrZXVwOwo+ICAJCWlu dCBpZGxlX2ZyYW1lczsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf Ymlvcy5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYmlvcy5jCj4gaW5kZXggNzAyZDNm YWI5N2ZjLi41NDI3MGJkZGUxMDAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfYmlvcy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYmlvcy5jCj4g QEAgLTUzMCw2ICs1MzAsNyBAQCBwYXJzZV9kcml2ZXJfZmVhdHVyZXMoc3RydWN0IGRybV9pOTE1 X3ByaXZhdGUgKmRldl9wcml2LAo+ICAJICovCj4gIAlpZiAoIWRyaXZlci0+ZHJyc19lbmFibGVk KQo+ICAJCWRldl9wcml2LT52YnQuZHJyc190eXBlID0gRFJSU19OT1RfU1VQUE9SVEVEOwo+ICsJ ZGV2X3ByaXYtPnZidC5wc3IuZW5hYmxlID0gZHJpdmVyLT5wc3JfZW5hYmxlZDsKPiAgfQo+ICAK PiAgc3RhdGljIHZvaWQKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf cHNyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wc3IuYwo+IGluZGV4IDYyMzNhMzIy YWFjNS4uZGIyN2YyZmFhMWRlIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX3Bzci5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcHNyLmMKPiBAQCAt MTE3Myw5ICsxMTczLDEyIEBAIHZvaWQgaW50ZWxfcHNyX2luaXQoc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2KQo+ICAJaWYgKCFkZXZfcHJpdi0+cHNyLnNpbmtfc3VwcG9ydCkKPiAg CQlyZXR1cm47Cj4gIAo+IC0JLyogUGVyIHBsYXRmb3JtIGRlZmF1bHQ6IGFsbCBkaXNhYmxlZC4g Ki8KPiAtCWlmIChpOTE1X21vZHBhcmFtcy5lbmFibGVfcHNyID09IC0xKQo+ICsJaWYgKGk5MTVf bW9kcGFyYW1zLmVuYWJsZV9wc3IgPT0gLTEpIHsKPiArCQlpOTE1X21vZHBhcmFtcy5lbmFibGVf cHNyID0gZGV2X3ByaXYtPnZidC5wc3IuZW5hYmxlOwo+ICsKPiArCQkvKiBQZXIgcGxhdGZvcm0g ZGVmYXVsdDogYWxsIGRpc2FibGVkLiAqLwo+ICAJCWk5MTVfbW9kcGFyYW1zLmVuYWJsZV9wc3Ig PSAwOwo+ICsJfQo+ICAKPiAgCS8qIFNldCBsaW5rX3N0YW5kYnkgeCBsaW5rX29mZiBkZWZhdWx0 cyAqLwo+ICAJaWYgKElTX0hBU1dFTEwoZGV2X3ByaXYpIHx8IElTX0JST0FEV0VMTChkZXZfcHJp dikpCj4gLS0gCj4gMi4xNC4xCj4gCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2ludGVsLWdmeAo=