From: Lyude Paul Subject: [PATCH] [RESEND] drm/i915/dp: Send DPCD ON for MST before phy_up Date: Wed, 4 Apr 2018 19:37:12 -0400 Message-ID: <20180404233712.1075-1-lyude@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by gabe.freedesktop.org (Postfix) with ESMTPS id 81FAA6E64F for ; Wed, 4 Apr 2018 23:37:30 +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: David Airlie , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Rodrigo Vivi , Laura Abbott , Dhinakaran Pandiyan List-Id: intel-gfx@lists.freedesktop.org QXMgaXQgdHVybnMgb3V0LCB0aGUgYXV4IGJsb2NrIGJlaW5nIG9mZiB3YXMgbm90IHRoZSByZWFs IHByb2JsZW0gaGVyZSwKYXMgdHJhbnNpdGlvbiBmcm9tIEQzIHRvIEQwIGlzIG1hbmRhdGVkIGJ5 IHRoZSBEUCBzcGVjIHRvIHRha2UgYSBtYXhpbXVtCm9mIDFtcywgd2hlcmVhcyB3ZSdyZSBhbGxv d2VkIGEgMTAwbXMgdGltZWZyYW1lIHRvIHJlc3BvbmQgdG8gRVNJIGlycXMuClRoZSByZWFsIHBy b2JsZW0gaGVyZSBpcyBhIGJpdCBtb3JlIHN1YnRsZS4KCldoZW4gZG9pbmcgYSBtb2Rlc2V0IHdo ZXJlIHRoZSBwcm9ibGVtIG9mIHRoZSBzaW5rIHRpbWluZyBvdXQgdG8gb3VyCnNpZGViYW5kIHJl cXVlc3RzIHdoZW4gdHJhbnNpdGlvbmluZyBmcm9tIEQzIHRvIEQwIG9jY3VycywgdGhlIHRpbWVv dXQKaXMgZnJvbSB0aGUgYXV4IGJsb2NrIG5vdCBjb21pbmcgb24uIEhvd2V2ZXIsIG5vdGhpbmcg ZWxzZSB0aW1lcyBvdXQKb3RoZXIgdGhhbiB0aGUgaW5pdGlhbCBwaHlfdXAgbWVzc2FnZSBiZWNh dXNlIHRoZSBEUENEIG9uIGNhbGwgaW4KaW50ZWxfZGRpX2VuYWJsZV9kcCgpIGVuZHMgdXAgd2Fr aW5nIHVwIHRoZSBBVVggYmxvY2sgb24gdGhlIGh1Yiwgbm90CnRoZSBwaHlfdXAgc2lkZWJhbmQg bWVzc2FnZS4gVGhpcyBtZWFucyB0aGF0IHRoZSByZWFsIGZpeCB3ZSBuZWVkIGlzIHRvCnVzZSB0 aGUgRFBNUyBvbiBiZWZvcmUgc2VuZGluZyBhIHBoeV91cCB0byBlbnN1cmUgdGhhdCB0aGUgaHVi IGlzIHJlYWR5CnRvIGFjY2VwdCBzaWRlYmFuZCBtZXNzYWdlcy4KClNpZ25lZC1vZmYtYnk6IEx5 dWRlIFBhdWwgPGx5dWRlQHJlZGhhdC5jb20+CkNjOiBEaGluYWthcmFuIFBhbmRpeWFuIDxkaGlu YWthcmFuLnBhbmRpeWFuQGludGVsLmNvbT4KQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3ly amFsYUBsaW51eC5pbnRlbC5jb20+CkNjOiBMYXVyYSBBYmJvdHQgPGxhYmJvdHRAcmVkaGF0LmNv bT4KQ2M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcKRml4ZXM6IGFkMjYwYWIzMmE0ZDkgKCJkcm0v aTkxNS9kcDogV3JpdGUgdG8gU0VUX1BPV0VSIGRwY2QgdG8gZW5hYmxlIE1TVCBodWIuIikKLS0t ClNvcnJ5IGZvciBhbGwgdGhlIHNwYW0gZ3V5cyEgVGhpcyBpcyBteSBsYXN0IGF0dGVtcHQgYXQg Z2V0dGluZyB0aGlzCnBhdGNoIHRvIGFjdHVhbGx5IGNvbWUgdXAgb24gaW50ZWwtZ2Z4J3MgcGF0 Y2h3b3JrIHBhZ2UgaW5zdGVhZCBvZgpkcmktZGV2ZWwuIEkgaGF2ZSBubyBpZGVhIHdoYXQgaXMg Z29pbmcgb24gd2l0aCBwYXRjaHdvcmsgcmlnaHQgbm93IDp8LApidXQgbWF5YmUgcmVtb3Zpbmcg ZHJpLWRldmVsIGZyb20gdGhlIENDIGVudGlyZWx5IHdpbGwgaGVscC4KCgogZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZGRpLmMgICAgfCA2ICsrKysrLQogZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHBfbXN0LmMgfCAxICsKIDIgZmlsZXMgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCAx IGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRp LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwppbmRleCBhNjY3MmE5YWJkODUu LjliZDY3NWY3M2Y3YiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRp LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKQEAgLTIzMjQsNyArMjMy NCwxMSBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kZGlfcHJlX2VuYWJsZV9kcChzdHJ1Y3QgaW50ZWxf ZW5jb2RlciAqZW5jb2RlciwKIAkJaW50ZWxfcHJlcGFyZV9kcF9kZGlfYnVmZmVycyhlbmNvZGVy LCBjcnRjX3N0YXRlKTsKIAogCWludGVsX2RkaV9pbml0X2RwX2J1Zl9yZWcoZW5jb2Rlcik7Ci0J aW50ZWxfZHBfc2lua19kcG1zKGludGVsX2RwLCBEUk1fTU9ERV9EUE1TX09OKTsKKwkvKiBmb3Ig TVNULCB3ZSBkbyBEUE1TX09OIG91dHNpZGUgb2YgaGVyZSBzbyB0aGF0IERQTVNfT04gY2FuIGhh cHBlbgorCSAqIGJlZm9yZSBkcm1fZHBfc2VuZF9wb3dlcl91cGRvd25fcGh5KCkKKwkgKi8KKwlp ZiAoIWludGVsX2RwLT5pc19tc3QpCisJCWludGVsX2RwX3NpbmtfZHBtcyhpbnRlbF9kcCwgRFJN X01PREVfRFBNU19PTik7CiAJaW50ZWxfZHBfc3RhcnRfbGlua190cmFpbihpbnRlbF9kcCk7CiAJ aWYgKHBvcnQgIT0gUE9SVF9BIHx8IElOVEVMX0dFTihkZXZfcHJpdikgPj0gOSkKIAkJaW50ZWxf ZHBfc3RvcF9saW5rX3RyYWluKGludGVsX2RwKTsKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RwX21zdC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHBfbXN0 LmMKaW5kZXggYzNkZTA5MThlZTEzLi5lZmY5YTRlYWUxZjAgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwX21zdC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2RwX21zdC5jCkBAIC0yMjMsNiArMjIzLDcgQEAgc3RhdGljIHZvaWQgaW50ZWxfbXN0X3By ZV9lbmFibGVfZHAoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIsCiAKIAlEUk1fREVCVUdf S01TKCJhY3RpdmUgbGlua3MgJWRcbiIsIGludGVsX2RwLT5hY3RpdmVfbXN0X2xpbmtzKTsKIAor CWludGVsX2RwX3NpbmtfZHBtcyhpbnRlbF9kcCwgRFJNX01PREVfRFBNU19PTik7CiAJZHJtX2Rw X3NlbmRfcG93ZXJfdXBkb3duX3BoeSgmaW50ZWxfZHAtPm1zdF9tZ3IsIGNvbm5lY3Rvci0+cG9y dCwgdHJ1ZSk7CiAJaWYgKGludGVsX2RwLT5hY3RpdmVfbXN0X2xpbmtzID09IDApCiAJCWludGVs X2RpZ19wb3J0LT5iYXNlLnByZV9lbmFibGUoJmludGVsX2RpZ19wb3J0LT5iYXNlLAotLSAKMi4x NC4zCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRl bC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK