From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [PATCH] drm/i915: intel_dp_check_link_status should only return status of link Date: Mon, 11 Jul 2016 15:41:23 -0700 Message-ID: <20160711224123.GA4299@intel.com> References: <1467413276-27024-1-git-send-email-manasi.d.navare@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 02D0D6E41C for ; Mon, 11 Jul 2016 22:28:58 +0000 (UTC) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Rodrigo Vivi Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKdWwgMDEsIDIwMTYgYXQgMDU6MzU6MjVQTSAtMDcwMCwgUm9kcmlnbyBWaXZpIHdy b3RlOgo+IE9uIEZyaSwgSnVsIDEsIDIwMTYgYXQgMzo0NyBQTSwgTWFuYXNpIE5hdmFyZSA8bWFu YXNpLmQubmF2YXJlQGludGVsLmNvbT4gd3JvdGU6Cj4gPiBJbnRlbF9kcF9jaGVja19saW5rX3N0 YXR1cygpIGZ1bmN0aW9uIHJlYWRzIHRoZSBMaW5rIHN0YXR1cyByZWdpc3RlcnMKPiA+IGFuZCBy ZXR1cm5zIGEgYm9vbGVhbiB0byBpbmRpY2F0ZSBsaW5rIGlzIGdvb2Qgb3IgYmFkLgo+ID4gSWYg dGhlIGxpbmsgaXMgYmFkLCBpdCBpcyByZXRyYWluZWQgb3V0c2lkZSB0aGUgZnVuY3Rpb24gYmFz ZWQKPiA+IG9uIHRoZSByZXR1cm4gdmFsdWUuCj4gPgo+ID4gU2lnbmVkLW9mZi1ieTogTWFuYXNp IE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVsLmNvbT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCA0MSArKysrKysrKysrKysrKysrKysrKysrKystLS0t LS0tLS0tLS0tLS0tLQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyNCBpbnNlcnRpb25zKCspLCAxNyBk ZWxldGlvbnMoLSkKPiA+Cj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiA+IGluZGV4IDZkNTg2 YjcuLmM3OTVjOWUgMTAwNjQ0Cj4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9k cC5jCj4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gPiBAQCAtMzg2 Myw3ICszODYzLDcgQEAgZ29fYWdhaW46Cj4gPiAgICAgICAgIHJldHVybiAtRUlOVkFMOwo+ID4g IH0KPiA+Cj4gPiAtc3RhdGljIHZvaWQKPiA+ICtzdGF0aWMgYm9vbAo+ID4gIGludGVsX2RwX2No ZWNrX2xpbmtfc3RhdHVzKHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCj4gPiAgewo+ID4gICAg ICAgICBzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqaW50ZWxfZW5jb2RlciA9ICZkcF90b19kaWdfcG9y dChpbnRlbF9kcCktPmJhc2U7Cj4gPiBAQCAtMzg3MywyNiArMzg3MywyNSBAQCBpbnRlbF9kcF9j aGVja19saW5rX3N0YXR1cyhzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ID4gICAgICAgICBX QVJOX09OKCFkcm1fbW9kZXNldF9pc19sb2NrZWQoJmRldi0+bW9kZV9jb25maWcuY29ubmVjdGlv bl9tdXRleCkpOwo+ID4KPiA+ICAgICAgICAgaWYgKCFpbnRlbF9kcF9nZXRfbGlua19zdGF0dXMo aW50ZWxfZHAsIGxpbmtfc3RhdHVzKSkgewo+ID4gLSAgICAgICAgICAgICAgIERSTV9FUlJPUigi RmFpbGVkIHRvIGdldCBsaW5rIHN0YXR1c1xuIik7Cj4gPiAtICAgICAgICAgICAgICAgcmV0dXJu Owo+ID4gKyAgICAgICAgICAgICAgIERSTV9ERUJVR19LTVMoIkZhaWxlZCB0byBnZXQgbGluayBz dGF0dXNcbiIpOwo+ID4gKyAgICAgICAgICAgICAgIHJldHVybiBmYWxzZTsKPiA+ICAgICAgICAg fQo+ID4KPiA+IC0gICAgICAgaWYgKCFpbnRlbF9lbmNvZGVyLT5iYXNlLmNydGMpCj4gPiAtICAg ICAgICAgICAgICAgcmV0dXJuOwo+IAo+IHdoZXJlIGRpZCB0aGlzIGNoZWNrIGdvPyB3aHkgZG9u J3Qgd2UgbmVlZCB0aGlzIGFueW1vcmU/Cj4KClRoaXMgZnVuY3Rpb24gaXMgYmVpbmcgcmVmYWN0 b3JlZCB0byBoYW5kbGUgdXByb250IGxpbmsgdHJhaW5pbmcgaW5kZXBlbmRlbnQgCm9mIG1vZGVz ZXQgYW5kIGFjY29yZGluZyB0byB0aGUgc3BlYywgdGhpcyBmdW5jdGlvbiBzaG91bGQgb25seSBy ZWFkIHRoZSBEUENEIHJlZ2lzdGVycwp0byBjaGVjayBpZiB0aGUgbGluayBpcyB2YWxpZC4gSW4g Y2FzZSBvZiB1cGZyb250IGxpbmsgdHJhaW5pbmcsIHdlIGRvIG5vdCBjYXJlIGFib3V0CnRoZSBj cnRjIG9yIGlmIHRoZSBjcnRjIGlzIGFjdGl2ZSBoZW5jZSB0aGlzIGFuZCB0aGUgbmV4dCBjaGVj ayBmb3IgY3J0YyBhY3JpdmUgYXJlCm5vdCBuZWVkZWQuCgogCj4gPiArICAgICAgIC8qIENoZWNr IGlmIHRoZSBsaW5rIGlzIHZhbGlkIGJ5IHJlYWRpbmcgdGhlIGJpdHMgb2YgTGluayBzdGF0dXMK PiA+ICsgICAgICAgICogcmVnaXN0ZXJzCj4gPiArICAgICAgICAqLwo+ID4gKyAgICAgICBpZiAo IWRybV9kcF9jaGFubmVsX2VxX29rKGxpbmtfc3RhdHVzLCBpbnRlbF9kcC0+bGFuZV9jb3VudCkg fHwKPiA+ICsgICAgICAgICAgICFkcm1fZHBfY2xvY2tfcmVjb3Zlcnlfb2sobGlua19zdGF0dXMs IGludGVsX2RwLT5sYW5lX2NvdW50KSkgewo+ID4gKyAgICAgICAgICAgICAgIERSTV9ERUJVR19L TVMoIkNoYW5uZWwgRVEgb3IgQ1Igbm90IG9rLCBuZWVkIHRvIHJldHJhaW5cbiIpOwo+ID4gKyAg ICAgICAgICAgICAgIHJldHVybiBmYWxzZTsKPiA+ICsgICAgICAgfQo+ID4KPiA+IC0gICAgICAg aWYgKCF0b19pbnRlbF9jcnRjKGludGVsX2VuY29kZXItPmJhc2UuY3J0YyktPmFjdGl2ZSkKPiA+ IC0gICAgICAgICAgICAgICByZXR1cm47Cj4gCj4gd2hhdCBoYXBwZW5zIGlmIGl0IGlzIG5vdCBh Y3RpdmUgbm93PyBhcmUgd2UgZ29pbmcgdG8gYXR0ZW10cCB0aGUKPiByZXRyYWluZyBpbiB0aGlz IGNhc2U/Cj4gaW4gb3RoZXIgd29yZHM6IHdlIHJlYWxseSBkb24ndCBuZWVkIHRoaXMgY2hlY2sg YW55bW9yZSBhcyB0aGUgb25lIGFib3ZlPwo+IAo+IFRoYW5rcywKPiBSb2RyaWdvLgo+IAo+ID4g KyAgICAgICBEUk1fREVCVUdfS01TKCJMaW5rIGlzIGdvb2QsIG5vIG5lZWQgdG8gcmV0cmFpblxu Iik7Cj4gPiArICAgICAgIHJldHVybiB0cnVlOwo+ID4KPiA+IC0gICAgICAgLyogaWYgbGluayB0 cmFpbmluZyBpcyByZXF1ZXN0ZWQgd2Ugc2hvdWxkIHBlcmZvcm0gaXQgYWx3YXlzICovCj4gPiAt ICAgICAgIGlmICgoaW50ZWxfZHAtPmNvbXBsaWFuY2VfdGVzdF90eXBlID09IERQX1RFU1RfTElO S19UUkFJTklORykgfHwKPiA+IC0gICAgICAgICAgICghZHJtX2RwX2NoYW5uZWxfZXFfb2sobGlu a19zdGF0dXMsIGludGVsX2RwLT5sYW5lX2NvdW50KSkpIHsKPiA+IC0gICAgICAgICAgICAgICBE Uk1fREVCVUdfS01TKCIlczogY2hhbm5lbCBFUSBub3Qgb2ssIHJldHJhaW5pbmdcbiIsCj4gPiAt ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBpbnRlbF9lbmNvZGVyLT5iYXNlLm5hbWUpOwo+ ID4gLSAgICAgICAgICAgICAgIGludGVsX2RwX3N0YXJ0X2xpbmtfdHJhaW4oaW50ZWxfZHApOwo+ ID4gLSAgICAgICAgICAgICAgIGludGVsX2RwX3N0b3BfbGlua190cmFpbihpbnRlbF9kcCk7Cj4g PiAtICAgICAgIH0KPiA+ICB9Cj4gPgo+ID4gKwo+ID4gIC8qCj4gPiAgICogQWNjb3JkaW5nIHRv IERQIHNwZWMKPiA+ICAgKiA1LjEuMjoKPiA+IEBAIC0zOTUwLDcgKzM5NDksMTEgQEAgaW50ZWxf ZHBfc2hvcnRfcHVsc2Uoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiA+ICAgICAgICAgfQo+ ID4KPiA+ICAgICAgICAgZHJtX21vZGVzZXRfbG9jaygmZGV2LT5tb2RlX2NvbmZpZy5jb25uZWN0 aW9uX211dGV4LCBOVUxMKTsKPiA+IC0gICAgICAgaW50ZWxfZHBfY2hlY2tfbGlua19zdGF0dXMo aW50ZWxfZHApOwo+ID4gKyAgICAgICBpZiAoIWludGVsX2RwX2NoZWNrX2xpbmtfc3RhdHVzKGlu dGVsX2RwKSB8fAo+ID4gKyAgICAgICAgICAgaW50ZWxfZHAtPmNvbXBsaWFuY2VfdGVzdF90eXBl ID09IERQX1RFU1RfTElOS19UUkFJTklORykgewo+ID4gKyAgICAgICAgICAgICAgIGludGVsX2Rw X3N0YXJ0X2xpbmtfdHJhaW4oaW50ZWxfZHApOwo+ID4gKyAgICAgICAgICAgICAgIGludGVsX2Rw X3N0b3BfbGlua190cmFpbihpbnRlbF9kcCk7Cj4gPiArICAgICAgIH0KPiA+ICAgICAgICAgZHJt X21vZGVzZXRfdW5sb2NrKCZkZXYtPm1vZGVfY29uZmlnLmNvbm5lY3Rpb25fbXV0ZXgpOwo+ID4K PiA+ICAgICAgICAgcmV0dXJuIHRydWU7Cj4gPiBAQCAtNDI3MSw3ICs0Mjc0LDExIEBAIGludGVs X2RwX2xvbmdfcHVsc2Uoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqaW50ZWxfY29ubmVjdG9yKQo+ ID4gICAgICAgICAgICAgICAgICAqIGxpbmsgbG9zcyB0cmlnZ2VycmluZyBsb25nIHB1bHNlISEh IQo+ID4gICAgICAgICAgICAgICAgICAqLwo+ID4gICAgICAgICAgICAgICAgIGRybV9tb2Rlc2V0 X2xvY2soJmRldi0+bW9kZV9jb25maWcuY29ubmVjdGlvbl9tdXRleCwgTlVMTCk7Cj4gPiAtICAg ICAgICAgICAgICAgaW50ZWxfZHBfY2hlY2tfbGlua19zdGF0dXMoaW50ZWxfZHApOwo+ID4gKyAg ICAgICAgICAgICAgIGlmICghaW50ZWxfZHBfY2hlY2tfbGlua19zdGF0dXMoaW50ZWxfZHApIHx8 Cj4gPiArICAgICAgICAgICAgICAgICAgIGludGVsX2RwLT5jb21wbGlhbmNlX3Rlc3RfdHlwZSA9 PSBEUF9URVNUX0xJTktfVFJBSU5JTkcpIHsKPiA+ICsgICAgICAgICAgICAgICAgICAgICAgIGlu dGVsX2RwX3N0YXJ0X2xpbmtfdHJhaW4oaW50ZWxfZHApOwo+ID4gKyAgICAgICAgICAgICAgICAg ICAgICAgaW50ZWxfZHBfc3RvcF9saW5rX3RyYWluKGludGVsX2RwKTsKPiA+ICsgICAgICAgICAg ICAgICB9Cj4gPiAgICAgICAgICAgICAgICAgZHJtX21vZGVzZXRfdW5sb2NrKCZkZXYtPm1vZGVf Y29uZmlnLmNvbm5lY3Rpb25fbXV0ZXgpOwo+ID4gICAgICAgICAgICAgICAgIGdvdG8gb3V0Owo+ ID4gICAgICAgICB9Cj4gPiAtLQo+ID4gMS45LjEKPiA+Cj4gPiBfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+ID4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+ ID4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ID4gaHR0cHM6Ly9saXN0cy5mcmVl ZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngKPiAKPiAKPiAKPiAtLSAKPiBS b2RyaWdvIFZpdmkKPiBCbG9nOiBodHRwOi8vYmxvZy52aXZpLmVuZy5icgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK