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 11:25:28 -0700 Message-ID: <20190918182528.GB31062@intel.com> References: <1568770783-169735-1-git-send-email-srinivasan.s@intel.com> <20190918175038.GA31062@intel.com> <20190918181136.GQ1208@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: <20190918181136.GQ1208@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBTZXAgMTgsIDIwMTkgYXQgMDk6MTE6MzZQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIFdlZCwgU2VwIDE4LCAyMDE5IGF0IDEwOjUwOjM5QU0gLTA3MDAsIE1hbmFz aSBOYXZhcmUgd3JvdGU6Cj4gPiBPbiBXZWQsIFNlcCAxOCwgMjAxOSBhdCAwNzowOTo0M0FNICsw NTMwLCBzcmluaXZhc2FuLnNAaW50ZWwuY29tIHdyb3RlOgo+ID4gPiBGcm9tOiBTcmluaXZhc2Fu IFMgPHNyaW5pdmFzYW4uc0BpbnRlbC5jb20+Cj4gPiA+IAo+ID4gPiBUaGlzIHBhdGNoIGF2b2lk cyBEUCBNU1QgcGF5bG9hZCBlcnJvciBtZXNzYWdlIGluIGRtZXNnLCBhcyBpdCBpcyB0cnlpbmcK PiA+ID4gdG8gcmVhZCB0aGUgcGF5bG9hZCBmcm9tIHRoZSBkaXNjb25uZWN0ZWQgRFAgTVNUIGRl dmljZS4gQWZ0ZXIgdGhlIHVucGx1Zwo+ID4gPiB0aGUgY29ubmVjdG9yIHN0YXR1cyBpcyBkaXNj b25uZWN0ZWQgYW5kIHdlIHNob3VsZCBub3QgYmUgbG9va2luZyBmb3IgdGhlCj4gPiA+IHBheWxv YWQgYW5kIGhlbmNlIHJlbW92ZSB0aGUgZXJyb3IgYW5kIHRocm93IHRoZSB3YXJuaW5nLgo+ID4g PiAKPiA+ID4gVGhpcyBkZXRhaWxzIGNhbiBiZSBmb3VuZCBpbjoKPiA+ID4gaHR0cHM6Ly9idWdz LmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTExNjMyCj4gPiAKPiA+IFBsZWFzZSBh ZGQgdGhpcyBsaW5rIGFzIEJ1Z3ppbGxhOiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3No b3dfYnVnLmNnaT9pZD0xMTE2MzIgYWZ0ZXIgdGhlIFNpZ24gb2ZmCj4gPiBzdGF0ZW1lbnQKPiA+ IAo+ID4gPiAKPiA+ID4gU2lnbmVkLW9mZi1ieTogU3Jpbml2YXNhbiBTIDxzcmluaXZhc2FuLnNA aW50ZWwuY29tPgo+ID4gPiAtLS0KPiA+ID4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZHBfbXN0LmMgfCA3ICsrKysrKy0KPiA+ID4gIDEgZmlsZSBjaGFuZ2VkLCA2IGluc2Vy dGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPiA+ID4gCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2RwX21zdC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvZGlzcGxheS9pbnRlbF9kcF9tc3QuYwo+ID4gPiBpbmRleCBlZWViM2Y5MzNhYTQuLjViMjI3 OGZkZjY3NSAxMDA2NDQKPiA+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9p bnRlbF9kcF9tc3QuYwo+ID4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2lu dGVsX2RwX21zdC5jCj4gPiA+IEBAIC0yMTUsNyArMjE1LDEyIEBAIHN0YXRpYyB2b2lkIGludGVs X21zdF9kaXNhYmxlX2RwKHN0cnVjdCBpbnRlbF9lbmNvZGVyICplbmNvZGVyLAo+ID4gPiAgCj4g PiA+ICAJcmV0ID0gZHJtX2RwX3VwZGF0ZV9wYXlsb2FkX3BhcnQxKCZpbnRlbF9kcC0+bXN0X21n cik7Cj4gPiA+ICAJaWYgKHJldCkgewo+ID4gPiAtCQlEUk1fRVJST1IoImZhaWxlZCB0byB1cGRh dGUgcGF5bG9hZCAlZFxuIiwgcmV0KTsKPiA+ID4gKwkJaWYgKCFjb25uZWN0b3IgfHwKPiA+ID4g KwkJICAgIGNvbm5lY3Rvci0+YmFzZS5zdGF0dXMgIT0gY29ubmVjdG9yX3N0YXR1c19jb25uZWN0 ZWQpIHsKPiA+ID4gKwkJCURSTV9XQVJOKCJEUCBNU1QgZGlzY29ubmVjdFxuIik7Cj4gPiAKPiA+ IE1heSBiZSBhZGRpbmcgdGhpcyBjaGVjayBiZWZvcmUgY2FsbGluZyBkcm1fZHBfdXBkYXRlX3Bh eWxvYWRfcGFydDEoKSBpcyBhIGJldHRlciBpZGVhPwo+ID4gSWYgdGhlIGNvbm5lY3RvciBpcyBk aXNjb25uZWN0ZWQsIHdoeSB1cGRhdGUgcGF5bG9hZD8KPiA+IAo+ID4gSmFuaSwgVmlsbGUsIHRo b3VnaHRzPwo+IAo+IE9yIGp1c3QgY29udmVydCBpdCB0byBhIGRlYnVnPwoKU3VyZSB0aGF0IHdp bGwgd29yaywgYnV0IGRvIHdlIHJlYWxseSB3YW50IHRvIHVwZGF0ZSB0aGUgcGF5bG9hZCBpZiB0 aGUgY29ubmVjdG9yIHN0YXR1cyBpcyBkaXNjb25uZWN0ZWQuClNvIHNob3VsZG50IGNoZWNraW5n IHRoYXQgYmVmb3JlIGNhbGxpbmcgdGhlIGZ1bmN0aW9uIGJlIGEgYmV0dGVyIGZpeD8KCk1hbmFz aQoKPiAKPiA+IAo+ID4gUmVnYXJkcwo+ID4gTWFuYXNpCj4gPiAKPiA+ID4gKwkJfSBlbHNlIHsK PiA+ID4gKwkJCURSTV9FUlJPUigiZmFpbGVkIHRvIHVwZGF0ZSBwYXlsb2FkICVkXG4iLCByZXQp Owo+ID4gPiArCQl9Cj4gPiA+ICAJfQo+ID4gPiAgCWlmIChvbGRfY3J0Y19zdGF0ZS0+aGFzX2F1 ZGlvKQo+ID4gPiAgCQlpbnRlbF9hdWRpb19jb2RlY19kaXNhYmxlKGVuY29kZXIsCj4gPiA+IC0t IAo+ID4gPiAyLjcuNAo+ID4gPiAKPiAKPiAtLSAKPiBWaWxsZSBTeXJqw6Rsw6QKPiBJbnRlbAo+ IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gZHJpLWRl dmVsIG1haWxpbmcgbGlzdAo+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbApfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=