From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhinakaran Pandiyan Subject: [PATCH] drm/dp: Power cycle display if LINK_ADDRESS fails. Date: Wed, 20 Dec 2017 22:36:24 -0800 Message-ID: <20171221063624.2309-1-dhinakaran.pandiyan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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: Jani Nikula , Dave Airlie , Dhinakaran Pandiyan , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T2NjYXNpb25hbGx5IHRoZXJlIGFyZSBMSU5LX0FERFJFU1Mgc2lkZWJhbmQgbWVzc2FnZXMgdGlt aW5nIG91dCB3aXRoIHRoZQpMZW5vdm8gTVNUIGRvY2sgKyBEZWxsIE1TVCBtb25pdG9yKHcvIGlu LWJ1aWx0IGJyYW5jaCkgc2V0dXAgSSBoYXZlLiBUaGVzZQpmYWlsdXJlcyBsZWFkIHRvIHRoZSBk aXNwbGF5IG5vdCBjb21pbmcgdXAgb24gYm9vdC4gUG93ZXIgY3ljbGluZyB0aGUgcG9ydApjb3Jy ZXNwb25kaW5nIHRvIHRoZSBNU1QgbW9uaXRvcidzIGJyYW5jaCBkZXZpY2UgYW5kIHJlc2VuZGlu ZyB0aGUgbWVzc2FnZQpmaXhlcyB0aGUgaXNzdWUuIEkgYW0gbm90IGVudGlyZWx5IHN1cmUgaWYg dGhpcyBpcyBzcGVjaWZpYyB0byBteSBzZXR1cC4KSG93ZXZlciwgYXMgdGhlIHBvd2VyIHN0YXRl IGlzIHRvZ2dsZWQgY29uZGl0aW9uYWxseSBvbiBMSU5LX0FERFJFU1MKdGltZW91dHMsIHRoaXMg c2hvdWxkIG5vdCBhZmZlY3QgdGhlIHdvcmtpbmcgY2FzZXMuCgpDYzogTHl1ZGUgPGx5dWRlQHJl ZGhhdC5jb20+CkNjOiBEYXZlIEFpcmxpZSA8YWlybGllZEByZWRoYXQuY29tPgpDYzogSmFuaSBO aWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogRGhpbmFrYXJhbiBQ YW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+Ci0tLQogZHJpdmVycy9ncHUv ZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYyB8IDEzICsrKysrKysrKysrLS0KIDEgZmlsZSBjaGFu Z2VkLCAxMSBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2Rw X21zdF90b3BvbG9neS5jCmluZGV4IDcwZGNmYTU4ZDNjMi4uZTA2ZGVmY2RjZjE4IDEwMDY0NAot LS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX21zdF90b3BvbG9neS5jCisrKyBiL2RyaXZlcnMv Z3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMKQEAgLTE1OTYsOCArMTU5Niw5IEBAIHN0YXRp YyB2b2lkIGRybV9kcF9zZW5kX2xpbmtfYWRkcmVzcyhzdHJ1Y3QgZHJtX2RwX21zdF90b3BvbG9n eV9tZ3IgKm1nciwKIAlpbnQgbGVuOwogCXN0cnVjdCBkcm1fZHBfc2lkZWJhbmRfbXNnX3R4ICp0 eG1zZzsKIAlpbnQgcmV0OworCWludCBhdHRlbXB0cyA9IDU7CiAKLQl0eG1zZyA9IGt6YWxsb2Mo c2l6ZW9mKCp0eG1zZyksIEdGUF9LRVJORUwpOworcmV0cnk6CXR4bXNnID0ga3phbGxvYyhzaXpl b2YoKnR4bXNnKSwgR0ZQX0tFUk5FTCk7CiAJaWYgKCF0eG1zZykKIAkJcmV0dXJuOwogCkBAIC0x NjM1LDkgKzE2MzYsMTcgQEAgc3RhdGljIHZvaWQgZHJtX2RwX3NlbmRfbGlua19hZGRyZXNzKHN0 cnVjdCBkcm1fZHBfbXN0X3RvcG9sb2d5X21nciAqbWdyLAogCQkJfQogCQkJKCptZ3ItPmNicy0+ aG90cGx1ZykobWdyKTsKIAkJfQorCX0gZWxzZSBpZiAoYXR0ZW1wdHMtLSkgeworCQlrZnJlZSh0 eG1zZyk7CisJCWRybV9kcF9zZW5kX3Bvd2VyX3VwZG93bl9waHkobXN0Yi0+bWdyLCBtc3RiLT5w b3J0X3BhcmVudCwKKwkJCQkJICAgICBmYWxzZSk7CisJCWRybV9kcF9zZW5kX3Bvd2VyX3VwZG93 bl9waHkobXN0Yi0+bWdyLCBtc3RiLT5wb3J0X3BhcmVudCwKKwkJCQkJICAgICB0cnVlKTsKKwkJ RFJNX0RFQlVHX0tNUygibGluayBhZGRyZXNzIGZhaWxlZCAlZCwgcmV0cnlpbmdcbiIsIHJldCk7 CisJCWdvdG8gcmV0cnk7CiAJfSBlbHNlIHsKIAkJbXN0Yi0+bGlua19hZGRyZXNzX3NlbnQgPSBm YWxzZTsKLQkJRFJNX0RFQlVHX0tNUygibGluayBhZGRyZXNzIGZhaWxlZCAlZFxuIiwgcmV0KTsK KwkJRFJNX0RFQlVHX0tNUygibGluayBhZGRyZXNzIGZhaWxlZCAlZCwgZ2l2aW5nIHVwXG4iLCBy ZXQpOwogCX0KIAogCWtmcmVlKHR4bXNnKTsKLS0gCjIuMTEuMAoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRl bC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==