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03 Jun 2020 17:23:18 -0700 From: Manasi Navare To: intel-gfx@lists.freedesktop.org Date: Wed, 3 Jun 2020 17:23:59 -0700 Message-Id: <20200604002359.17128-1-manasi.d.navare@intel.com> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/dp: Reset link params on connector disconnect X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" V2UgaGF2ZSBub3RpY2VkIHRoYXQgd2hlbiBsaW5rIHRyYWluaW5nIGZhaWxzIHRoZSBwYW5lbApz ZW5kcyBhIGxvbmcgcHVsc2UgaW5kaWNhdGluZyBjb25uZWN0b3IgZGlzY29ubmVjdC4gSW4gdGhp cyBjYXNlCndlIG5lZWQgdG8gcmVzZXQgdGhlIGxpbmsgcGFyYW1ldGVycyBpbnN0ZWFkIG9mIGNv bnRpbnVpbmcKdG8gdXNlIHRoZSBmYWxsYmFjayBwYXJhbWV0ZXJzIHNpbmNlIGVsc2UgdGhpcyBs b25nIHB1bHNlCmJ5IHRoZSBwYW5lbCBmb2xsb3dlZCBieSBhIG1vZGVzZXQgcmVxdWVzdCB3aGlj aCB3YXMgdHJpZ2dlcmVkIGJ5IHRoZSB1c2Vyc3BhY2UKYmVmb3JlIGdldHRpbmcgdGhlIGNvbm5l Y3RvciBzdGF0dXMgYXMgZGlzY29ubmVjdGVkLCB3aWxsCnJlc3VsdCBpbnRvIGEgbW9kZXNldCBu b3cgdXNpbmcgbG93ZXIgbGluayByYXRlL2xhbmUgY291bnQgdmFsdWVzLgoKQ2xvc2VzOiBodHRw czovL2dpdGxhYi5mcmVlZGVza3RvcC5vcmcvZHJtL2ludGVsLy0vaXNzdWVzLzEzODUKQ2M6IEph bmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBsaW51eC5pbnRlbC5jb20+CkNjOiBWaWxsZSBTeXJqw6Rs w6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBNYW5hc2kg TmF2YXJlIDxtYW5hc2kuZC5uYXZhcmVAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2Rpc3BsYXkvaW50ZWxfZHAuYyB8IDI4ICsrKysrKysrKysrKysrKysrLS0tLS0tLS0KIDEg ZmlsZSBjaGFuZ2VkLCAxOSBpbnNlcnRpb25zKCspLCA5IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHAuYwppbmRleCA1NWZkYTA3NGMwYWQuLmY3YWYzNzI2 NDdkZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcC5j CisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHAuYwpAQCAtNjExMSw2 ICs2MTExLDE4IEBAIGludGVsX2RwX3Vuc2V0X2VkaWQoc3RydWN0IGludGVsX2RwICppbnRlbF9k cCkKIAlpbnRlbF9kcC0+ZWRpZF9xdWlya3MgPSAwOwogfQogCitzdGF0aWMgdm9pZAoraW50ZWxf ZHBfcmVzZXRfbGlua19wYXJhbXMoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKK3sKKwkvKiBJ bml0aWFsIG1heCBsaW5rIGxhbmUgY291bnQgKi8KKwlpbnRlbF9kcC0+bWF4X2xpbmtfbGFuZV9j b3VudCA9IGludGVsX2RwX21heF9jb21tb25fbGFuZV9jb3VudChpbnRlbF9kcCk7CisKKwkvKiBJ bml0aWFsIG1heCBsaW5rIHJhdGUgKi8KKwlpbnRlbF9kcC0+bWF4X2xpbmtfcmF0ZSA9IGludGVs X2RwX21heF9jb21tb25fcmF0ZShpbnRlbF9kcCk7CisKKwlpbnRlbF9kcC0+cmVzZXRfbGlua19w YXJhbXMgPSBmYWxzZTsKK30KKwogc3RhdGljIGludAogaW50ZWxfZHBfZGV0ZWN0KHN0cnVjdCBk cm1fY29ubmVjdG9yICpjb25uZWN0b3IsCiAJCXN0cnVjdCBkcm1fbW9kZXNldF9hY3F1aXJlX2N0 eCAqY3R4LApAQCAtNjEzOSw2ICs2MTUxLDExIEBAIGludGVsX2RwX2RldGVjdChzdHJ1Y3QgZHJt X2Nvbm5lY3RvciAqY29ubmVjdG9yLAogCQltZW1zZXQoJmludGVsX2RwLT5jb21wbGlhbmNlLCAw LCBzaXplb2YoaW50ZWxfZHAtPmNvbXBsaWFuY2UpKTsKIAkJbWVtc2V0KGludGVsX2RwLT5kc2Nf ZHBjZCwgMCwgc2l6ZW9mKGludGVsX2RwLT5kc2NfZHBjZCkpOwogCisJCS8qUmVzZXQgdGhlIGlt bXV0YWJsZSBWUlIgQ2FwYWJsZSBwcm9wZXJ0eSAqLworCQlkcm1fY29ubmVjdG9yX3NldF92cnJf Y2FwYWJsZV9wcm9wZXJ0eShjb25uZWN0b3IsCisJCQkJCQkgICAgICAgZmFsc2UpOworCQlpbnRl bF9kcF9yZXNldF9saW5rX3BhcmFtcyhpbnRlbF9kcCk7CisKIAkJaWYgKGludGVsX2RwLT5pc19t c3QpIHsKIAkJCWRybV9kYmdfa21zKCZkZXZfcHJpdi0+ZHJtLAogCQkJCSAgICAiTVNUIGRldmlj ZSBtYXkgaGF2ZSBkaXNhcHBlYXJlZCAlZCB2cyAlZFxuIiwKQEAgLTYxNTIsMTUgKzYxNjksOCBA QCBpbnRlbF9kcF9kZXRlY3Qoc3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvciwKIAkJZ290 byBvdXQ7CiAJfQogCi0JaWYgKGludGVsX2RwLT5yZXNldF9saW5rX3BhcmFtcykgewotCQkvKiBJ bml0aWFsIG1heCBsaW5rIGxhbmUgY291bnQgKi8KLQkJaW50ZWxfZHAtPm1heF9saW5rX2xhbmVf Y291bnQgPSBpbnRlbF9kcF9tYXhfY29tbW9uX2xhbmVfY291bnQoaW50ZWxfZHApOwotCi0JCS8q IEluaXRpYWwgbWF4IGxpbmsgcmF0ZSAqLwotCQlpbnRlbF9kcC0+bWF4X2xpbmtfcmF0ZSA9IGlu dGVsX2RwX21heF9jb21tb25fcmF0ZShpbnRlbF9kcCk7Ci0KLQkJaW50ZWxfZHAtPnJlc2V0X2xp bmtfcGFyYW1zID0gZmFsc2U7Ci0JfQorCWlmIChpbnRlbF9kcC0+cmVzZXRfbGlua19wYXJhbXMp CisJCWludGVsX2RwX3Jlc2V0X2xpbmtfcGFyYW1zKGludGVsX2RwKTsKIAogCWludGVsX2RwX3By aW50X3JhdGVzKGludGVsX2RwKTsKIAotLSAKMi4xOS4xCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK