From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 1/4] drm/i915: read dpcd 0 - 12 & link_status always Date: Tue, 01 Sep 2015 13:16:49 +0300 Message-ID: <87si6y4f72.fsf@intel.com> References: <1440665312-26698-1-git-send-email-sivakumar.thulasimani@intel.com> <1440665312-26698-2-git-send-email-sivakumar.thulasimani@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 615816E5E2 for ; Tue, 1 Sep 2015 03:13:44 -0700 (PDT) In-Reply-To: <1440665312-26698-2-git-send-email-sivakumar.thulasimani@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sivakumar Thulasimani , ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyNyBBdWcgMjAxNSwgU2l2YWt1bWFyIFRodWxhc2ltYW5pIDxzaXZha3VtYXIudGh1 bGFzaW1hbmlAaW50ZWwuY29tPiB3cm90ZToKPiBGcm9tOiAiVGh1bGFzaW1hbmksU2l2YWt1bWFy IiA8c2l2YWt1bWFyLnRodWxhc2ltYW5pQGludGVsLmNvbT4KPgo+IENvbXBsaWFuY2UgcmVxdWly ZXMgdGhlIGRyaXZlciB0byByZWFkIGRwY2QgcmVnaXN0ZXIgMCB0byAxMiBhbmQKPiByZWdpc3Rl cnMgMHgyMDAgdG8gMHgyMDUgdG8gYmUgcmVhZCBhbHdheXMuCj4gQ3VycmVudCBjb2RlIHBlcmZv cm1zIGRwY2QgcmVhZCBmb3Igc2hvcnQgcHVsc2UgaW50ZXJydXB0cyBvbmx5Cj4gaWYgdGhlIHNp bmsgaXMgZW5hYmxlZC4gVGhpcyBwYXRjaCBmb3JjZXMgcmVhZCBmb3IgbGluayBzdGF0dXMKPiBh bmQgcmVnaXN0ZXJzIDAgdG8gMTIuCgpXaGlsZSB0aGlzIHNlZW1zIGEgYml0IHNpbGx5IGZyb20g dGhlIGRyaXZlciBwZXJzcGVjdGl2ZSwgSSBkb24ndCBzZWUgaXQKZG9pbmcgbXVjaCBoYXJtIGVp dGhlci4KCk5vdGUgdGhhdCBXZSBkbyByZWFkIGRwY2QgMCB0byAxNCBubyBtYXR0ZXIgd2hhdCB0 aGUgc3BlYyBzYXlzLgoKUmV2aWV3ZWQtYnk6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRl bC5jb20+Cgo+Cj4gU2lnbmVkLW9mZi1ieTogU2l2YWt1bWFyIFRodWxhc2ltYW5pIDxzaXZha3Vt YXIudGh1bGFzaW1hbmlAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kcC5jIHwgICAxMiArKysrKystLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDYgaW5zZXJ0 aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+IGluZGV4 IDhhNjZhNDQuLjc2NTYxZTAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiBAQCAtNDM3 NCwxMiArNDM3NCw2IEBAIGludGVsX2RwX2NoZWNrX2xpbmtfc3RhdHVzKHN0cnVjdCBpbnRlbF9k cCAqaW50ZWxfZHApCj4gIAo+ICAJV0FSTl9PTighZHJtX21vZGVzZXRfaXNfbG9ja2VkKCZkZXYt Pm1vZGVfY29uZmlnLmNvbm5lY3Rpb25fbXV0ZXgpKTsKPiAgCj4gLQlpZiAoIWludGVsX2VuY29k ZXItPmJhc2UuY3J0YykKPiAtCQlyZXR1cm47Cj4gLQo+IC0JaWYgKCF0b19pbnRlbF9jcnRjKGlu dGVsX2VuY29kZXItPmJhc2UuY3J0YyktPmFjdGl2ZSkKPiAtCQlyZXR1cm47Cj4gLQo+ICAJLyog VHJ5IHRvIHJlYWQgcmVjZWl2ZXIgc3RhdHVzIGlmIHRoZSBsaW5rIGFwcGVhcnMgdG8gYmUgdXAg Ki8KPiAgCWlmICghaW50ZWxfZHBfZ2V0X2xpbmtfc3RhdHVzKGludGVsX2RwLCBsaW5rX3N0YXR1 cykpIHsKPiAgCQlyZXR1cm47Cj4gQEAgLTQzOTAsNiArNDM4NCwxMiBAQCBpbnRlbF9kcF9jaGVj a19saW5rX3N0YXR1cyhzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICAJCXJldHVybjsKPiAg CX0KPiAgCj4gKwlpZiAoIWludGVsX2VuY29kZXItPmJhc2UuY3J0YykKPiArCQlyZXR1cm47Cj4g Kwo+ICsJaWYgKCF0b19pbnRlbF9jcnRjKGludGVsX2VuY29kZXItPmJhc2UuY3J0YyktPmFjdGl2 ZSkKPiArCQlyZXR1cm47Cj4gKwo+ICAJLyogVHJ5IHRvIHJlYWQgdGhlIHNvdXJjZSBvZiB0aGUg aW50ZXJydXB0ICovCj4gIAlpZiAoaW50ZWxfZHAtPmRwY2RbRFBfRFBDRF9SRVZdID49IDB4MTEg JiYKPiAgCSAgICBpbnRlbF9kcF9nZXRfc2lua19pcnEoaW50ZWxfZHAsICZzaW5rX2lycV92ZWN0 b3IpKSB7Cj4gLS0gCj4gMS43LjkuNQo+CgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291 cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==