From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 4/4] drm/i915: Software workaround for getting the HW status of DSI Port C on BYT Date: Tue, 09 Dec 2014 10:34:40 +0200 Message-ID: <87a92xjk67.fsf@intel.com> References: <87d27umfo2.fsf@intel.com> <1418102960-28136-1-git-send-email-gaurav.k.singh@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 599D06F9B7 for ; Tue, 9 Dec 2014 00:34:23 -0800 (PST) In-Reply-To: <1418102960-28136-1-git-send-email-gaurav.k.singh@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Gaurav K Singh , intel-gfx Cc: Shobhit Kumar List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCAwOSBEZWMgMjAxNCwgR2F1cmF2IEsgU2luZ2ggPGdhdXJhdi5rLnNpbmdoQGludGVs LmNvbT4gd3JvdGU6Cj4gRHVlIHRvIGhhcmR3YXJlIGxpbWl0YXRpb25zIG9uIEJZVCwgTUlQSSBQ b3J0IEMgRFBJIEVuYWJsZSBiaXQKPiBkb2VzIG5vdCBnZXQgc2V0LiBUbyBjaGVjayB3aGV0aGVy IERTSSBQb3J0IEMgd2FzIGVuYWJsZWQgaW4gQklPUywKPiBjaGVjayB0aGUgUGlwZSBCIGVuYWJs ZSBiaXQgZm9yIERTSSBQb3J0IEMuIEluIGhhcmR3YXJlLCBEU0kgUG9ydCBDCj4gaXMgbGlua2Vk IHdpdGggUGlwZSBCLgo+Cj4gdjI6IEFkZHJlc3NlZCByZXZpZXcgY29tbWVudHMgb2YgSmFuaSwg TmlrdWxhCj4gICAgIC0gVXNlZCBwbGF0Zm9ybSBjaGVja3MgZm9yIHRoaXMgc29mdHdhcmUgd29y a2Fyb3VuZCBmb3IgQllUCj4KPiBTaWduZWQtb2ZmLWJ5OiBHYXVyYXYgSyBTaW5naCA8Z2F1cmF2 Lmsuc2luZ2hAaW50ZWwuY29tPgoKSSdsbCB0YWtlIHlvdXIgd29yZCBmb3IgdGhlIGhhcmR3YXJl IGxpbWl0YXRpb24gaXRzZWxmLCBvdGhlcndpc2UKClJldmlld2VkLWJ5OiBKYW5pIE5pa3VsYSA8 amFuaS5uaWt1bGFAaW50ZWwuY29tPgoKCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2RzaS5jIHwgICAyMiArKysrKysrKysrKysrKysrKy0tLS0tCj4gIDEgZmlsZSBjaGFuZ2Vk LCAxNyBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RzaS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHNpLmMKPiBpbmRleCAyMTVkMDA0Li40MmI2ZDZmIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2RzaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHNpLmMKPiBAQCAtMzk4LDggKzM5OCwxMCBAQCBzdGF0aWMgYm9vbCBpbnRlbF9kc2lfZ2V0X2h3 X3N0YXRlKHN0cnVjdCBpbnRlbF9lbmNvZGVyICplbmNvZGVyLAo+ICAJCQkJICAgZW51bSBwaXBl ICpwaXBlKQo+ICB7Cj4gIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBlbmNv ZGVyLT5iYXNlLmRldi0+ZGV2X3ByaXZhdGU7Cj4gKwlzdHJ1Y3QgaW50ZWxfZHNpICppbnRlbF9k c2kgPSBlbmNfdG9faW50ZWxfZHNpKCZlbmNvZGVyLT5iYXNlKTsKPiArCXN0cnVjdCBkcm1fZGV2 aWNlICpkZXYgPSBlbmNvZGVyLT5iYXNlLmRldjsKPiAgCWVudW0gaW50ZWxfZGlzcGxheV9wb3dl cl9kb21haW4gcG93ZXJfZG9tYWluOwo+IC0JdTMyIHBvcnRfY3RsLCBmdW5jOwo+ICsJdTMyIGRw aV9lbmFibGVkLCBmdW5jOwo+ICAJZW51bSBwb3J0IHBvcnQ7Cj4gIAo+ICAJRFJNX0RFQlVHX0tN UygiXG4iKTsKPiBAQCAtNDA5LDEzICs0MTEsMjMgQEAgc3RhdGljIGJvb2wgaW50ZWxfZHNpX2dl dF9od19zdGF0ZShzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwKPiAgCQlyZXR1cm4gZmFs c2U7Cj4gIAo+ICAJLyogWFhYOiB0aGlzIG9ubHkgd29ya3MgZm9yIG9uZSBEU0kgb3V0cHV0ICov Cj4gLQlmb3JfZWFjaF9kc2lfcG9ydChwb3J0LCAoMSA8PCBQT1JUX0EpIHwgKDEgPDwgUE9SVF9D KSkgewo+IC0JCXBvcnRfY3RsID0gSTkxNV9SRUFEKE1JUElfUE9SVF9DVFJMKHBvcnQpKTsKPiAr CWZvcl9lYWNoX2RzaV9wb3J0KHBvcnQsIGludGVsX2RzaS0+cG9ydHMpIHsKPiAgCQlmdW5jID0g STkxNV9SRUFEKE1JUElfRFNJX0ZVTkNfUFJHKHBvcnQpKTsKPiArCQlkcGlfZW5hYmxlZCA9IEk5 MTVfUkVBRChNSVBJX1BPUlRfQ1RSTChwb3J0KSkgJgo+ICsJCQkJCQkJRFBJX0VOQUJMRTsKPiAr Cj4gKwkJLyogRHVlIHRvIHNvbWUgaGFyZHdhcmUgbGltaXRhdGlvbnMgb24gQllULCBNSVBJIFBv cnQgQyBEUEkKPiArCQkgKiBFbmFibGUgYml0IGRvZXMgbm90IGdldCBzZXQuIFRvIGNoZWNrIHdo ZXRoZXIgRFNJIFBvcnQgQwo+ICsJCSAqIHdhcyBlbmFibGVkIGluIEJJT1MsIGNoZWNrIHRoZSBQ aXBlIEIgZW5hYmxlIGJpdAo+ICsJCSAqLwo+ICsJCWlmIChJU19WQUxMRVlWSUVXKGRldikgJiYg IUlTX0NIRVJSWVZJRVcoZGV2KSAmJgo+ICsJCSAgICAocG9ydCA9PSBQT1JUX0MpKQo+ICsJCQlk cGlfZW5hYmxlZCA9IEk5MTVfUkVBRChQSVBFQ09ORihQSVBFX0IpKSAmCj4gKwkJCQkJCQlQSVBF Q09ORl9FTkFCTEU7Cj4gIAo+IC0JCWlmICgocG9ydF9jdGwgJiBEUElfRU5BQkxFKSB8fCAoZnVu YyAmIENNRF9NT0RFX0RBVEFfV0lEVEhfTUFTSykpIHsKPiArCQlpZiAoZHBpX2VuYWJsZWQgfHwg KGZ1bmMgJiBDTURfTU9ERV9EQVRBX1dJRFRIX01BU0spKSB7Cj4gIAkJCWlmIChJOTE1X1JFQUQo TUlQSV9ERVZJQ0VfUkVBRFkocG9ydCkpICYgREVWSUNFX1JFQURZKSB7Cj4gLQkJCQkqcGlwZSA9 IHBvcnQgPT0gUE9SVF9BID8gUElQRV9BIDogUElQRV9DOwo+ICsJCQkJKnBpcGUgPSBwb3J0ID09 IFBPUlRfQSA/IFBJUEVfQSA6IFBJUEVfQjsKPiAgCQkJCXJldHVybiB0cnVlOwo+ICAJCQl9Cj4g IAkJfQo+IC0tIAo+IDEuNy45LjUKPgo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4CgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRl Y2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwt Z2Z4Cg==