From mboxrd@z Thu Jan 1 00:00:00 1970 From: Todd Previte Subject: [PATCH 6/9] drm/i915: Update intel_dp_hpd_pulse() to check link status for non-MST operation Date: Tue, 31 Mar 2015 10:15:03 -0700 Message-ID: <1427822106-29617-7-git-send-email-tprevite@gmail.com> References: <1427822106-29617-1-git-send-email-tprevite@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by gabe.freedesktop.org (Postfix) with ESMTP id 084B26E746 for ; Tue, 31 Mar 2015 10:15:24 -0700 (PDT) Received: by pacgg7 with SMTP id gg7so25567427pac.0 for ; Tue, 31 Mar 2015 10:15:23 -0700 (PDT) In-Reply-To: <1427822106-29617-1-git-send-email-tprevite@gmail.com> 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 List-Id: intel-gfx@lists.freedesktop.org VXBkYXRlIHRoZSBob3QgcGx1ZyBmdW5jdGlvbiB0byBoYW5kbGUgdGhlIFNTVCBjYXNlLiBJbnN0 ZWFkIG9mIHBsYWNpbmcKdGhlIFNTVCBjYXNlIHdpdGhpbiB0aGUgbG9uZy9zaG9ydCBwdWxzZSBi bG9jaywgaXQgaXMgbm93IGhhbmRsZWQgYWZ0ZXIKZGV0ZXJtaW5pbmcgdGhhdCBNU1QgbW9kZSBp cyBub3QgaW4gdXNlLiBUaGlzIHdheSwgdGhlIHRvcG9sb2d5IG1hbmFnZW1lbnQKbGF5ZXIgY2Fu IGhhbmRsZSBhbnkgTVNULXJlbGF0ZWQgb3BlcmF0aW9ucyB3aGlsZSBTU1Qgb3BlcmF0aW9ucyBh cmUgc3RpbGwKY29ycmVjdGx5IGhhbmRsZWQgYWZ0ZXJ3YXJkcy4KClRoaXMgcGF0Y2ggYWxzbyBj b3JyZWN0cyB0aGUgcHJvYmxlbSBvZiBTU1QgbW9kZSBvbmx5IGJlaW5nIGhhbmRsZWQgaW4gdGhl CmNhc2Ugb2YgYSBzaG9ydCAoMC41bXMgLSAxLjBtcykgSFBEIHB1bHNlLiBGb3IgY29tcGxpYW5j ZSB0ZXN0aW5nIHB1cnBvc2VzCmJvdGggc2hvcnQgYW5kIGxvbmcgcHVsc2VzIGFyZSB1c2VkIGJ5 IHRoZSBkaWZmZXJlbnQgdGVzdHMsIHRodXMgYm90aCBjYXNlcwpuZWVkIHRvIGJlIGFkZHJlc3Nl ZCBmb3IgU1NULgoKVGhpcyBwYXRjaCByZXBsYWNlcyBbUEFUQ0ggMTAvMTBdIGRybS9pOTE1OiBG aXggaW50ZWxfZHBfaG90X3BsdWcoKSBpbiB0aGUKcHJldmlvdXMgY29tcGxpYW5jZSB0ZXN0aW5n IHBhdGNoIHNlcXVlbmNlLiBSZXZpZXcgZmVlZGJhY2sgb24gdGhhdCBwYXRjaAppbmRpY2F0ZWQg dGhhdCB1cGRhdGluZyBpbnRlbF9kcF9ob3RfcGx1ZygpIHdhcyBub3QgdGhlIGNvcnJlY3QgcGxh Y2UgZm9yCnRoZSB0ZXN0IGhhbmRsZXIuCgpGb3IgdGhlIFNTVCBjYXNlLCB0aGUgbWFpbiBzdHJl YW0gaXMgZGlzYWJsZWQgZm9yIGxvbmcgSFBEIHB1bHNlcyBhcyB0aGlzCmdlbmVyYWxseSBpbmRp Y2F0ZXMgZWl0aGVyIGEgY29ubmVjdC9kaXNjb25uZWN0IGV2ZW50IG9yIGxpbmsgZmFpbHVyZS4g Rm9yCmEgbnVtYmVyIG9mIGNhc2UgaW4gY29tcGxpYW5jZSB0ZXN0aW5nLCB0aGUgc291cmNlIGlz IHJlcXVpcmVkIHRvIGRpc2FibGUKdGhlIG1haW4gbGluayB1cG9uIGRldGVjdGlvbiBvZiBhIGxv bmcgSFBELgoKVjI6Ci0gTi9BClYzOgotIFBsYWNlIHRoZSBTU1QgbW9kZSBsaW5rIHN0YXR1cyBj aGVjayBpbnRvIHRoZSBtc3RfZmFpbCBjYXNlCi0gUmVtb3ZlIG9ic29sZXRlIGNvbW1lbnQgcmVn YXJkaW5nIFNTVCBtb2RlIG9wZXJhdGlvbgotIFJlbW92ZWQgYW4gZXJyb25lb3VzIGxpbmUgb2Yg Y29kZSB0aGF0IHNudWNrIGluIGR1cmluZyByZWJhc2luZwpWNDoKLSBBZGRlZCBhIGRpc2FibGUg b2YgdGhlIG1haW4gc3RyZWFtIChEUCB0cmFuc3BvcnQpIGZvciB0aGUgbG9uZyBwdWxzZSBjYXNl CiAgZm9yIFNTVCB0byBzdXBwb3J0IGNvbXBsaWFuY2UgdGVzdGluZwoKU2lnbmVkLW9mZi1ieTog VG9kZCBQcmV2aXRlIDx0cHJldml0ZUBnbWFpbC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYyB8IDEwIC0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMCBkZWxldGlv bnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwppbmRleCAxNmQzNTkwMy4uNzg3YjEzOCAxMDA2 NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYworKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jCkBAIC00NjIyLDE2ICs0NjIyLDYgQEAgaW50ZWxfZHBfaHBk X3B1bHNlKHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0LCBib29sIGxv bmdfaHBkKQogCQkJaWYgKGludGVsX2RwX2NoZWNrX21zdF9zdGF0dXMoaW50ZWxfZHApID09IC1F SU5WQUwpCiAJCQkJZ290byBtc3RfZmFpbDsKIAkJfQotCi0JCWlmICghaW50ZWxfZHAtPmlzX21z dCkgewotCQkJLyoKLQkJCSAqIHdlJ2xsIGNoZWNrIHRoZSBsaW5rIHN0YXR1cyB2aWEgdGhlIG5v cm1hbCBob3QgcGx1ZyBwYXRoIGxhdGVyIC0KLQkJCSAqIGJ1dCBmb3Igc2hvcnQgaHBkcyB3ZSBz aG91bGQgY2hlY2sgaXQgbm93Ci0JCQkgKi8KLQkJCWRybV9tb2Rlc2V0X2xvY2soJmRldi0+bW9k ZV9jb25maWcuY29ubmVjdGlvbl9tdXRleCwgTlVMTCk7Ci0JCQlpbnRlbF9kcF9jaGVja19saW5r X3N0YXR1cyhpbnRlbF9kcCk7Ci0JCQlkcm1fbW9kZXNldF91bmxvY2soJmRldi0+bW9kZV9jb25m aWcuY29ubmVjdGlvbl9tdXRleCk7Ci0JCX0KIAl9CiAKIAlyZXQgPSBJUlFfSEFORExFRDsKLS0g CjEuOS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=