From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/dp: Fix DP MST error after unplugging TypeC cable Date: Thu, 19 Sep 2019 15:18:25 +0300 Message-ID: <87impowkby.fsf@intel.com> References: <1568770783-169735-1-git-send-email-srinivasan.s@intel.com> <20190918175038.GA31062@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190918175038.GA31062@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Manasi Navare , srinivasan.s@intel.com Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAxOCBTZXAgMjAxOSwgTWFuYXNpIE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVs LmNvbT4gd3JvdGU6Cj4gT24gV2VkLCBTZXAgMTgsIDIwMTkgYXQgMDc6MDk6NDNBTSArMDUzMCwg c3Jpbml2YXNhbi5zQGludGVsLmNvbSB3cm90ZToKPj4gRnJvbTogU3Jpbml2YXNhbiBTIDxzcmlu aXZhc2FuLnNAaW50ZWwuY29tPgo+PiAKPj4gVGhpcyBwYXRjaCBhdm9pZHMgRFAgTVNUIHBheWxv YWQgZXJyb3IgbWVzc2FnZSBpbiBkbWVzZywgYXMgaXQgaXMgdHJ5aW5nCj4+IHRvIHJlYWQgdGhl IHBheWxvYWQgZnJvbSB0aGUgZGlzY29ubmVjdGVkIERQIE1TVCBkZXZpY2UuIEFmdGVyIHRoZSB1 bnBsdWcKPj4gdGhlIGNvbm5lY3RvciBzdGF0dXMgaXMgZGlzY29ubmVjdGVkIGFuZCB3ZSBzaG91 bGQgbm90IGJlIGxvb2tpbmcgZm9yIHRoZQo+PiBwYXlsb2FkIGFuZCBoZW5jZSByZW1vdmUgdGhl IGVycm9yIGFuZCB0aHJvdyB0aGUgd2FybmluZy4KPj4gCj4+IFRoaXMgZGV0YWlscyBjYW4gYmUg Zm91bmQgaW46Cj4+IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lk PTExMTYzMgo+Cj4gUGxlYXNlIGFkZCB0aGlzIGxpbmsgYXMgQnVnemlsbGE6Cj4gaHR0cHM6Ly9i dWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTExNjMyIGFmdGVyIHRoZSBTaWdu IG9mZgo+IHN0YXRlbWVudAoKSVRZTSAqYmVmb3JlKiBTaWduZWQtb2ZmLWJ5LiBCdXQgeWVhaCwg dXNlIHRoZSBCdWd6aWxsYTogdGFnLCBhbmQgcGxlYXNlCnVzZSBnaXQgbG9nIHRvIHNlZSBwbGVu dHkgb2YgZXhhbXBsZXMuCgpCUiwKSmFuaS4KCj4KPj4gCj4+IFNpZ25lZC1vZmYtYnk6IFNyaW5p dmFzYW4gUyA8c3Jpbml2YXNhbi5zQGludGVsLmNvbT4KPj4gLS0tCj4+ICBkcml2ZXJzL2dwdS9k cm0vaTkxNS9kaXNwbGF5L2ludGVsX2RwX21zdC5jIHwgNyArKysrKystCj4+ICAxIGZpbGUgY2hh bmdlZCwgNiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+IAo+PiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcF9tc3QuYyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHBfbXN0LmMKPj4gaW5kZXggZWVlYjNmOTMzYWE0Li41 YjIyNzhmZGY2NzUgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZHBfbXN0LmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRl bF9kcF9tc3QuYwo+PiBAQCAtMjE1LDcgKzIxNSwxMiBAQCBzdGF0aWMgdm9pZCBpbnRlbF9tc3Rf ZGlzYWJsZV9kcChzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwKPj4gIAo+PiAgCXJldCA9 IGRybV9kcF91cGRhdGVfcGF5bG9hZF9wYXJ0MSgmaW50ZWxfZHAtPm1zdF9tZ3IpOwo+PiAgCWlm IChyZXQpIHsKPj4gLQkJRFJNX0VSUk9SKCJmYWlsZWQgdG8gdXBkYXRlIHBheWxvYWQgJWRcbiIs IHJldCk7Cj4+ICsJCWlmICghY29ubmVjdG9yIHx8Cj4+ICsJCSAgICBjb25uZWN0b3ItPmJhc2Uu c3RhdHVzICE9IGNvbm5lY3Rvcl9zdGF0dXNfY29ubmVjdGVkKSB7Cj4+ICsJCQlEUk1fV0FSTigi RFAgTVNUIGRpc2Nvbm5lY3RcbiIpOwo+Cj4gTWF5IGJlIGFkZGluZyB0aGlzIGNoZWNrIGJlZm9y ZSBjYWxsaW5nIGRybV9kcF91cGRhdGVfcGF5bG9hZF9wYXJ0MSgpIGlzIGEgYmV0dGVyIGlkZWE/ Cj4gSWYgdGhlIGNvbm5lY3RvciBpcyBkaXNjb25uZWN0ZWQsIHdoeSB1cGRhdGUgcGF5bG9hZD8K Pgo+IEphbmksIFZpbGxlLCB0aG91Z2h0cz8KPgo+IFJlZ2FyZHMKPiBNYW5hc2kKPgo+PiArCQl9 IGVsc2Ugewo+PiArCQkJRFJNX0VSUk9SKCJmYWlsZWQgdG8gdXBkYXRlIHBheWxvYWQgJWRcbiIs IHJldCk7Cj4+ICsJCX0KPj4gIAl9Cj4+ICAJaWYgKG9sZF9jcnRjX3N0YXRlLT5oYXNfYXVkaW8p Cj4+ICAJCWludGVsX2F1ZGlvX2NvZGVjX2Rpc2FibGUoZW5jb2RlciwKPj4gLS0gCj4+IDIuNy40 Cj4+IAoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBHcmFwaGljcyBDZW50ZXIK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4