From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: [PATCH] drm/i915/dp: Reset the link params on HPD/connected boot/resume Date: Tue, 7 Feb 2017 16:54:11 -0800 Message-ID: <1486515251-23469-1-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 mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 62B836E7A7 for ; Wed, 8 Feb 2017 00:55:12 +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 List-Id: intel-gfx@lists.freedesktop.org VGhlIG1heCBsaW5rIHBhcmFtZXRlcnMgc2hvdWxkIGJlIHNldC9yZXNldCBvbmx5IG9uIEhQRCBv cgpjb25uZWN0ZWQgYm9vdCBjYXNlIG9yIG9uIHN5c3RlbSByZXN1bWUuCgpBZGQgYSBmbGFnIHJl c2V0X2xpbmtfcGFyYW1zIHRvIGludGVsX2RwIHRvIGRlY2lkZSB3aGVuCnRvIHJlc2V0IHRoZSBt YXggbGluayBwYXJhbWV0ZXJzLiBUaGlzIHByZXZlbnRzIHRoZSBwYXJhbWV0ZXJzCmZyb20gZ2V0 dGluZyByZXNldC9vdmVyd3JpdHRlbiB0aHJvdWdoIGFsbCBvdGhlcgpjb25uZWN0b3ItPmZ1bmNz LT5kZXRlY3QoKSBjYWxscy4gVGhpcyBpcyBpbXBvcnRhbnQgd2hlbiBsaW5rCnRyYWluaW5nIGZh aWxzIGFuZCB0aGUgbWF4IGxpbmsgcGFyYW1zIGFyZSBtb2RpZmllZCB0byB0aGUKbG93ZXIgZmFs bGJhY2sgdmFsdWVzLgoKQ2M6IFZpbGxlIFN5cmphbGEgPHZpbGxlLnN5cmphbGFAbGludXguaW50 ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBNYW5hc2kgTmF2YXJlIDxtYW5hc2kuZC5uYXZhcmVAaW50 ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMgIHwgMTYgKysrKysr KysrKysrLS0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmggfCAgMSArCiAyIGZp bGVzIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMKaW5kZXggMjE5MjRjZi4uZWQyODc4OGIgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf ZHAuYwpAQCAtNDYyNCwxMSArNDYyNCwxNSBAQCBpbnRlbF9kcF9sb25nX3B1bHNlKHN0cnVjdCBp bnRlbF9jb25uZWN0b3IgKmludGVsX2Nvbm5lY3RvcikKIAkJICAgICAgeWVzbm8oaW50ZWxfZHBf c291cmNlX3N1cHBvcnRzX2hicjIoaW50ZWxfZHApKSwKIAkJICAgICAgeWVzbm8oZHJtX2RwX3Rw czNfc3VwcG9ydGVkKGludGVsX2RwLT5kcGNkKSkpOwogCi0JLyogU2V0IHRoZSBtYXggbGFuZSBj b3VudCBmb3Igc2luayAqLwotCWludGVsX2RwLT5tYXhfc2lua19sYW5lX2NvdW50ID0gZHJtX2Rw X21heF9sYW5lX2NvdW50KGludGVsX2RwLT5kcGNkKTsKKwlpZiAoaW50ZWxfZHAtPnJlc2V0X2xp bmtfcGFyYW1zKSB7CisJCS8qIFNldCB0aGUgbWF4IGxhbmUgY291bnQgZm9yIHNpbmsgKi8KKwkJ aW50ZWxfZHAtPm1heF9zaW5rX2xhbmVfY291bnQgPSBkcm1fZHBfbWF4X2xhbmVfY291bnQoaW50 ZWxfZHAtPmRwY2QpOwogCi0JLyogU2V0IHRoZSBtYXggbGluayBCVyBmb3Igc2luayAqLwotCWlu dGVsX2RwLT5tYXhfc2lua19saW5rX2J3ID0gaW50ZWxfZHBfbWF4X2xpbmtfYncoaW50ZWxfZHAp OworCQkvKiBTZXQgdGhlIG1heCBsaW5rIEJXIGZvciBzaW5rICovCisJCWludGVsX2RwLT5tYXhf c2lua19saW5rX2J3ID0gaW50ZWxfZHBfbWF4X2xpbmtfYncoaW50ZWxfZHApOworCisJCWludGVs X2RwLT5yZXNldF9saW5rX3BhcmFtcyA9IGZhbHNlOworCX0KIAogCWludGVsX2RwX3ByaW50X3Jh dGVzKGludGVsX2RwKTsKIApAQCAtNTAxMCw2ICs1MDE0LDggQEAgdm9pZCBpbnRlbF9kcF9lbmNv ZGVyX3Jlc2V0KHN0cnVjdCBkcm1fZW5jb2RlciAqZW5jb2RlcikKIAlpZiAobHNwY29uLT5hY3Rp dmUpCiAJCWxzcGNvbl9yZXN1bWUobHNwY29uKTsKIAorCWludGVsX2RwLT5yZXNldF9saW5rX3Bh cmFtcyA9IHRydWU7CisKIAlwcHNfbG9jayhpbnRlbF9kcCk7CiAKIAlpZiAoSVNfVkFMTEVZVklF VyhkZXZfcHJpdikgfHwgSVNfQ0hFUlJZVklFVyhkZXZfcHJpdikpCkBAIC01MDc5LDYgKzUwODUs NyBAQCBpbnRlbF9kcF9ocGRfcHVsc2Uoc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxf ZGlnX3BvcnQsIGJvb2wgbG9uZ19ocGQpCiAJCSAgICAgIGxvbmdfaHBkID8gImxvbmciIDogInNo b3J0Iik7CiAKIAlpZiAobG9uZ19ocGQpIHsKKwkJaW50ZWxfZHAtPnJlc2V0X2xpbmtfcGFyYW1z ID0gdHJ1ZTsKIAkJaW50ZWxfZHAtPmRldGVjdF9kb25lID0gZmFsc2U7CiAJCXJldHVybiBJUlFf Tk9ORTsKIAl9CkBAIC01OTIwLDYgKzU5MjcsNyBAQCBpbnRlbF9kcF9pbml0X2Nvbm5lY3Rvcihz dHJ1Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICppbnRlbF9kaWdfcG9ydCwKIAkJIGludGVsX2RpZ19w b3J0LT5tYXhfbGFuZXMsIHBvcnRfbmFtZShwb3J0KSkpCiAJCXJldHVybiBmYWxzZTsKIAorCWlu dGVsX2RwLT5yZXNldF9saW5rX3BhcmFtcyA9IHRydWU7CiAJaW50ZWxfZHAtPnBwc19waXBlID0g SU5WQUxJRF9QSVBFOwogCWludGVsX2RwLT5hY3RpdmVfcGlwZSA9IElOVkFMSURfUElQRTsKIApk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmggYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcnYuaAppbmRleCBmYmU1YzcyLi5mNTc5Nzc2IDEwMDY0NAotLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaAorKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kcnYuaApAQCAtOTIzLDYgKzkyMyw3IEBAIHN0cnVjdCBpbnRlbF9kcCB7CiAJ Ym9vbCBoYXNfYXVkaW87CiAJYm9vbCBkZXRlY3RfZG9uZTsKIAlib29sIGNoYW5uZWxfZXFfc3Rh dHVzOworCWJvb2wgcmVzZXRfbGlua19wYXJhbXM7CiAJZW51bSBoZG1pX2ZvcmNlX2F1ZGlvIGZv cmNlX2F1ZGlvOwogCWJvb2wgbGltaXRlZF9jb2xvcl9yYW5nZTsKIAlib29sIGNvbG9yX3Jhbmdl X2F1dG87Ci0tIAoyLjEuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==