From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lee, Shawn C" Subject: [PATCH v3] drm/i915/dp: Read link status more times when EQ not done Date: Mon, 13 Mar 2017 16:12:59 +0800 Message-ID: <1489392779-25893-1-git-send-email-shawn.c.lee@intel.com> References: <1488443763-26709-1-git-send-email-shawn.c.lee@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 ESMTPS id 416456E267 for ; Mon, 13 Mar 2017 07:45:15 +0000 (UTC) In-Reply-To: <1488443763-26709-1-git-send-email-shawn.c.lee@intel.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 Cc: Cooper Chiou , Jani Nikula , Rodrigo Vivi , Wei Shun Chen List-Id: intel-gfx@lists.freedesktop.org RnJvbTogIkxlZSwgU2hhd24gQyIgPHNoYXduLmMubGVlQGludGVsLmNvbT4KCkRpc3BsYXkgZHJp dmVyIHJlYWQgRFBDRCByZWdpc3RlciAweDIwMiwgMHgyMDMgYW5kIDB4MjA0IHRvIGlkZW50aWZ5 CmVEUCBzaW5rIHN0YXR1cy5JZiBQU1IgZXhpdCBpcyBvbmdvaW5nIGF0IGVEUCBzaW5rLCBhbmQg ZURQIHNvdXJjZQpyZWFkIHRoZXNlIHJlZ2lzdGVycyBhdCB0aGUgc2FtZSB0aW1lLiBQYW5lbCB3 aWxsIHJlcG9ydCBFUSAmIHN5bWJvbApsb2NrIG5vdCBkb25lLiBJdCB3aWxsIGNhdXNlIHBhbmVs IGRpc3BsYXkgZmxpY2tpbmcuCgpUcnkgdG8gcmVhZCBsaW5rIHN0YXR1cyBtb3JlIHRpbWVzIGlm IGVEUCBFUSBub3QgZG9uZS4gUGFuZWwgc2lkZQpyZXF1ZXN0IGF0IGxlYXN0IDEwMDB1cyBmb3Ig ZmFzdCBsaW5rIHRyYWluIHdoaWxlIGRvaW5nIFBTUiBleGl0LgpTbyB3YWl0IG1vcmUgdGhhbiAx MDAwdXMgdGhlbiByZXRyaWV2ZSBzaW5rJ3Mgc3RhdHVzIGFnYWluLgoKQnVnemlsbGE6IGh0dHBz Oi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTk5NjM5ClRFU1Q9UmVib290 IERVVCBhbmQgbm8gZmxpY2tpbmcgb24gbG9jYWwgZGlzcGxheSBhdCBsb2dpbiBzY3JlZW4KCkNj OiBDb29wZXIgQ2hpb3UgPGNvb3Blci5jaGlvdUBpbnRlbC5jb20+CkNjOiBXZWkgU2h1biBDaGVu IDx3ZWkuc2h1bi5jaGFuZ0BpbnRlbC5jb20+CkNjOiBHYXJ5IEMgV2FuZyA8Z2FyeS5jLndhbmdA aW50ZWwuY29tPgpDYzogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KQ2M6IFJv ZHJpZ28gVml2aSA8cm9kcmlnby52aXZpQGludGVsLmNvbT4KClNpZ25lZC1vZmYtYnk6IExlZSwg U2hhd24gQyA8c2hhd24uYy5sZWVAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMgfCAgIDM0ICsrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0KIDEg ZmlsZSBjaGFuZ2VkLCAyNCBpbnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYwppbmRleCAwMjQ3OThhOWMwMTYuLmQ1MDgyN2E5MmFhMiAxMDA2NDQKLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYworKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kcC5jCkBAIC00MjI1LDE1ICs0MjI1LDExIEBAIHN0YXRpYyB2b2lkIGludGVs X2RwX2hhbmRsZV90ZXN0X3JlcXVlc3Qoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKIHsKIAlz dHJ1Y3QgaW50ZWxfZW5jb2RlciAqaW50ZWxfZW5jb2RlciA9ICZkcF90b19kaWdfcG9ydChpbnRl bF9kcCktPmJhc2U7CiAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGludGVsX2RwX3RvX2Rldihp bnRlbF9kcCk7Ci0JdTggbGlua19zdGF0dXNbRFBfTElOS19TVEFUVVNfU0laRV07CisJc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKKwl1OCBsaW5r X3N0YXR1c1tEUF9MSU5LX1NUQVRVU19TSVpFXSwgcmV0cnkgPSAxOwogCiAJV0FSTl9PTighZHJt X21vZGVzZXRfaXNfbG9ja2VkKCZkZXYtPm1vZGVfY29uZmlnLmNvbm5lY3Rpb25fbXV0ZXgpKTsK IAotCWlmICghaW50ZWxfZHBfZ2V0X2xpbmtfc3RhdHVzKGludGVsX2RwLCBsaW5rX3N0YXR1cykp IHsKLQkJRFJNX0VSUk9SKCJGYWlsZWQgdG8gZ2V0IGxpbmsgc3RhdHVzXG4iKTsKLQkJcmV0dXJu OwotCX0KLQogCWlmICghaW50ZWxfZW5jb2Rlci0+YmFzZS5jcnRjKQogCQlyZXR1cm47CiAKQEAg LTQyNDUsMTMgKzQyNDEsMzEgQEAgc3RhdGljIHZvaWQgaW50ZWxfZHBfaGFuZGxlX3Rlc3RfcmVx dWVzdChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQogCWlmICghaW50ZWxfZHAtPmxhbmVfY291 bnQpCiAJCXJldHVybjsKIAorCWlmIChpc19lZHAoaW50ZWxfZHApICYmIGRldl9wcml2LT5wc3Iu ZW5hYmxlZCkgCisJCXJldHJ5ID0gMzsKKwogCS8qIFJldHJhaW4gaWYgQ2hhbm5lbCBFUSBvciBD UiBub3Qgb2sgKi8KLQlpZiAoIWRybV9kcF9jaGFubmVsX2VxX29rKGxpbmtfc3RhdHVzLCBpbnRl bF9kcC0+bGFuZV9jb3VudCkpIHsKLQkJRFJNX0RFQlVHX0tNUygiJXM6IGNoYW5uZWwgRVEgbm90 IG9rLCByZXRyYWluaW5nXG4iLAotCQkJICAgICAgaW50ZWxfZW5jb2Rlci0+YmFzZS5uYW1lKTsK Kwl3aGlsZSAoIHJldHJ5LS0gKSB7CisJCWlmICghaW50ZWxfZHBfZ2V0X2xpbmtfc3RhdHVzKGlu dGVsX2RwLCBsaW5rX3N0YXR1cykpIHsKKwkJCURSTV9FUlJPUigiRmFpbGVkIHRvIGdldCBsaW5r IHN0YXR1c1xuIik7CisJCQlyZXR1cm47CisJCX0KIAotCQlpbnRlbF9kcF9yZXRyYWluX2xpbmso aW50ZWxfZHApOworCQlpZiAoZHJtX2RwX2NoYW5uZWxfZXFfb2sobGlua19zdGF0dXMsIGludGVs X2RwLT5sYW5lX2NvdW50KSkKKwkJCXJldHVybjsKKworCQkvKgorCQkgKiBFUSBub3Qgb2sgbWF5 IGNhdXNlZCBieSBmYXN0IGxpbmsgdHJhaW4gd2hpbGUgZXhpdCBQU1IgYWN0aXZlLAorCQkgKiB3 YWl0IGF0IGxlYXN0IDEwMDAgdXMgdGhlbiByZWFkIGl0IGFnYWluLgorCQkgKi8KKwkJaWYgKHJl dHJ5KQorCQkJdXNsZWVwX3JhbmdlKDEwMDAsIDE1MDApOwogCX0KKworCURSTV9ERUJVR19LTVMo IiVzOiBjaGFubmVsIEVRIG5vdCBvaywgcmV0cmFpbmluZ1xuIiwKKwkJaW50ZWxfZW5jb2Rlci0+ YmFzZS5uYW1lKTsKKworCWludGVsX2RwX3JldHJhaW5fbGluayhpbnRlbF9kcCk7CiB9CiAKIC8q Ci0tIAoxLjcuOS41CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK