From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [PATCH] drm/i915/dp: Fix DP MST error after unplugging TypeC cable Date: Wed, 18 Sep 2019 10:50:39 -0700 Message-ID: <20190918175038.GA31062@intel.com> References: <1568770783-169735-1-git-send-email-srinivasan.s@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1568770783-169735-1-git-send-email-srinivasan.s@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: srinivasan.s@intel.com Cc: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBTZXAgMTgsIDIwMTkgYXQgMDc6MDk6NDNBTSArMDUzMCwgc3Jpbml2YXNhbi5zQGlu dGVsLmNvbSB3cm90ZToKPiBGcm9tOiBTcmluaXZhc2FuIFMgPHNyaW5pdmFzYW4uc0BpbnRlbC5j b20+Cj4gCj4gVGhpcyBwYXRjaCBhdm9pZHMgRFAgTVNUIHBheWxvYWQgZXJyb3IgbWVzc2FnZSBp biBkbWVzZywgYXMgaXQgaXMgdHJ5aW5nCj4gdG8gcmVhZCB0aGUgcGF5bG9hZCBmcm9tIHRoZSBk aXNjb25uZWN0ZWQgRFAgTVNUIGRldmljZS4gQWZ0ZXIgdGhlIHVucGx1Zwo+IHRoZSBjb25uZWN0 b3Igc3RhdHVzIGlzIGRpc2Nvbm5lY3RlZCBhbmQgd2Ugc2hvdWxkIG5vdCBiZSBsb29raW5nIGZv ciB0aGUKPiBwYXlsb2FkIGFuZCBoZW5jZSByZW1vdmUgdGhlIGVycm9yIGFuZCB0aHJvdyB0aGUg d2FybmluZy4KPiAKPiBUaGlzIGRldGFpbHMgY2FuIGJlIGZvdW5kIGluOgo+IGh0dHBzOi8vYnVn cy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTExMTYzMgoKUGxlYXNlIGFkZCB0aGlz IGxpbmsgYXMgQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcu Y2dpP2lkPTExMTYzMiBhZnRlciB0aGUgU2lnbiBvZmYKc3RhdGVtZW50Cgo+IAo+IFNpZ25lZC1v ZmYtYnk6IFNyaW5pdmFzYW4gUyA8c3Jpbml2YXNhbi5zQGludGVsLmNvbT4KPiAtLS0KPiAgZHJp dmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcF9tc3QuYyB8IDcgKysrKysrLQo+ICAx IGZpbGUgY2hhbmdlZCwgNiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfZHBfbXN0LmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2RwX21zdC5jCj4gaW5kZXggZWVlYjNmOTMz YWE0Li41YjIyNzhmZGY2NzUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlz cGxheS9pbnRlbF9kcF9tc3QuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZHBfbXN0LmMKPiBAQCAtMjE1LDcgKzIxNSwxMiBAQCBzdGF0aWMgdm9pZCBpbnRlbF9t c3RfZGlzYWJsZV9kcChzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwKPiAgCj4gIAlyZXQg PSBkcm1fZHBfdXBkYXRlX3BheWxvYWRfcGFydDEoJmludGVsX2RwLT5tc3RfbWdyKTsKPiAgCWlm IChyZXQpIHsKPiAtCQlEUk1fRVJST1IoImZhaWxlZCB0byB1cGRhdGUgcGF5bG9hZCAlZFxuIiwg cmV0KTsKPiArCQlpZiAoIWNvbm5lY3RvciB8fAo+ICsJCSAgICBjb25uZWN0b3ItPmJhc2Uuc3Rh dHVzICE9IGNvbm5lY3Rvcl9zdGF0dXNfY29ubmVjdGVkKSB7Cj4gKwkJCURSTV9XQVJOKCJEUCBN U1QgZGlzY29ubmVjdFxuIik7CgpNYXkgYmUgYWRkaW5nIHRoaXMgY2hlY2sgYmVmb3JlIGNhbGxp bmcgZHJtX2RwX3VwZGF0ZV9wYXlsb2FkX3BhcnQxKCkgaXMgYSBiZXR0ZXIgaWRlYT8KSWYgdGhl IGNvbm5lY3RvciBpcyBkaXNjb25uZWN0ZWQsIHdoeSB1cGRhdGUgcGF5bG9hZD8KCkphbmksIFZp bGxlLCB0aG91Z2h0cz8KClJlZ2FyZHMKTWFuYXNpCgo+ICsJCX0gZWxzZSB7Cj4gKwkJCURSTV9F UlJPUigiZmFpbGVkIHRvIHVwZGF0ZSBwYXlsb2FkICVkXG4iLCByZXQpOwo+ICsJCX0KPiAgCX0K PiAgCWlmIChvbGRfY3J0Y19zdGF0ZS0+aGFzX2F1ZGlvKQo+ICAJCWludGVsX2F1ZGlvX2NvZGVj X2Rpc2FibGUoZW5jb2RlciwKPiAtLSAKPiAyLjcuNAo+IApfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZl bEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9kcmktZGV2ZWw=