From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lee, Shawn C" Subject: [PATCH] drm/i915/dp: Read link status more times when EQ not done Date: Thu, 2 Feb 2017 18:27:10 +0800 Message-ID: <1486031230-4914-1-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 mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1EF3D6E981 for ; Thu, 2 Feb 2017 10:00:45 +0000 (UTC) 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 , Cooper Chiou , Wei Shun Chen List-Id: intel-gfx@lists.freedesktop.org RnJvbTogIkxlZSwgU2hhd24gQyIgPHNoYXduLmMubGVlQGludGVsLmNvbT4KCldoZW4gdXNlciBz cGFjZSBsaW5rIHN0YXR1cywgZGlzcGxheSBkcml2ZXIgcmVhZCBEUENEIHJlZ2lzdGVyCjB4MjAy LCAweDIwMyBhbmQgMHgyMDQgdG8gaWRlbnRpZnkgc2luayBzdGF0dXMuIFdoZW4gUFNSIGV4aXQK aXMgb25nb2luZyBiZWZvcmUgRVEgZG9uZS4gUGFuZWwgd2lsbCByZXBvcnQgRVEgJiBzeW1ib2wg bG9jawpub3QgZG9uZS4gQm90aCBvZiB0aGVtIGFyZSB1bmRlciBwcm9ncmVzc2luZyBhdCB0aGUg c2FtZSB0aW1lCnRvIGNhdXNlIHRoaXMgaXNzdWUuCgpUaGlzIFdBIHRyeSB0byByZWFkIGxpbmsg c3RhdHVzIG1vcmUgdGltZXMgaWYgRVEgbm90IGRvbmUuClBhbmVsIHNwZWMgcmVxdWVzdCBhdCBs ZWFzdCAxMDAwdXMgZm9yIGZhc3QgbGluayB0cmFpbiB3aGVuClBTUiBleGl0LiBTbyBkcml2ZXIg d2lsbCB3YWl0IDEwMDB1c34xNTAwdXMgdGhlbiByZXRyaWV2ZQpzaW5rIGxpbmsgc3RhdHVzIGFn YWluLgoKQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dp P2lkPTk5NjM5ClRFU1Q9UmVib290IERVVCBhbmQgbm8gZmxpY2tpbmcgb24gbG9jYWwgZGlzcGxh eSBhdCBsb2dpbiBzY3JlZW4KCkNjOiBDb29wZXIgQ2hpb3UgPGNvb3Blci5jaGlvdUBpbnRlbC5j b20+CkNjOiBXZWkgU2h1biBDaGVuIDx3ZWkuc2h1bi5jaGFuZ0BpbnRlbC5jb20+CkNjOiBHYXJ5 IEMgV2FuZyA8Z2FyeS5jLndhbmdAaW50ZWwuY29tPgpDYzogSmFuaSBOaWt1bGEgPGphbmkubmlr dWxhQGludGVsLmNvbT4KClNpZ25lZC1vZmYtYnk6IExlZSwgU2hhd24gQyA8c2hhd24uYy5sZWVA aW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCAgIDMzICsr KysrKysrKysrKysrKysrKysrKysrKysrKystLS0tLQogMSBmaWxlIGNoYW5nZWQsIDI4IGluc2Vy dGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKaW5kZXggZTgw ZDYyMDg0NmM4Li5hOWE2Y2U0NzY0MzggMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwpAQCAtNDEz NiwxMyArNDEzNiwzNiBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kcF9oYW5kbGVfdGVzdF9yZXF1ZXN0 KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHApCiAJCXJldHVybjsKIAogCS8qIGlmIGxpbmsgdHJh aW5pbmcgaXMgcmVxdWVzdGVkIHdlIHNob3VsZCBwZXJmb3JtIGl0IGFsd2F5cyAqLwotCWlmICgo aW50ZWxfZHAtPmNvbXBsaWFuY2UudGVzdF90eXBlID09IERQX1RFU1RfTElOS19UUkFJTklORykg fHwKLQkgICAgKCFkcm1fZHBfY2hhbm5lbF9lcV9vayhsaW5rX3N0YXR1cywgaW50ZWxfZHAtPmxh bmVfY291bnQpKSkgewotCQlEUk1fREVCVUdfS01TKCIlczogY2hhbm5lbCBFUSBub3Qgb2ssIHJl dHJhaW5pbmdcbiIsCi0JCQkgICAgICBpbnRlbF9lbmNvZGVyLT5iYXNlLm5hbWUpOworCWlmIChp bnRlbF9kcC0+Y29tcGxpYW5jZS50ZXN0X3R5cGUgPT0gRFBfVEVTVF9MSU5LX1RSQUlOSU5HKSB7 CisJCURSTV9ERUJVR19LTVMoIiVzOiBjb21wbGlhbmNlIHRlc3QgbW9kZSwgcmV0cmFpbmluZ1xu IiwKKwkJCWludGVsX2VuY29kZXItPmJhc2UubmFtZSk7CisJfSBlbHNlIHsKKwkJdTggcmV0cnk7 CisKKwkJZm9yIChyZXRyeSA9IDA7IHJldHJ5IDwgMzsgcmV0cnkrKykgeworCQkJaWYgKCFkcm1f ZHBfY2hhbm5lbF9lcV9vayhsaW5rX3N0YXR1cywgaW50ZWxfZHAtPmxhbmVfY291bnQpKSB7CisJ CQkJLyoKKwkJCQkgKiBFUSBub3Qgb2sgbWF5IGNhdXNlZCBieSBmYXN0IGxpbmsgdHJhaW4gd2hp bGUgZXhpdCBQU1IgYWN0aXZlLAorCQkJCSAqIHdhaXQgYXQgbGVhc3QgMTAwMCB1cyB0aGVuIHJl YWQgaXQgYWdhaW4uCisJCQkJICovCisJCQkJRFJNX0RFQlVHX0tNUygiJXM6IGNoYW5uZWwgRVEg bm90IG9rLCByZXRyeSA9ICVkLCBEUENEIDB4MjAyID0gMHgleCwgMHgyMDMgPSAweCV4LCAweDIw NCA9IDB4JXhcbiIsCisJCQkJCWludGVsX2VuY29kZXItPmJhc2UubmFtZSwgcmV0cnksIGxpbmtf c3RhdHVzWzBdLCBsaW5rX3N0YXR1c1sxXSwgbGlua19zdGF0dXNbMl0pOworCQkJCXVzbGVlcF9y YW5nZSgxMDAwLCAxNTAwKTsKKwkJCQlpZiAoIWludGVsX2RwX2dldF9saW5rX3N0YXR1cyhpbnRl bF9kcCwgbGlua19zdGF0dXMpKSB7CisJCQkJCURSTV9FUlJPUigiRmFpbGVkIHRvIGdldCBsaW5r IHN0YXR1c1xuIik7CisJCQkJCXJldHVybjsKKwkJCQl9CisJCQl9IGVsc2UgeworCQkJCS8qIGNo YW5uZWwgRVEgaXMgZmluZSAqLworCQkJCXJldHVybjsKKwkJCX0KKwkJfQogCi0JCWludGVsX2Rw X3JldHJhaW5fbGluayhpbnRlbF9kcCk7CisJCURSTV9ERUJVR19LTVMoIiVzOiBjaGFubmVsIEVR IG5vdCBvaywgcmV0cmFpbmluZ1xuIiwKKwkJCWludGVsX2VuY29kZXItPmJhc2UubmFtZSk7CiAJ fQorCisJaW50ZWxfZHBfcmV0cmFpbl9saW5rKGludGVsX2RwKTsKIH0KIAogLyoKLS0gCjEuNy45 LjUKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=