From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2] drm/i915/ehl: Allow combo PHY A to drive a third external display Date: Tue, 18 Jun 2019 19:08:55 +0300 Message-ID: <20190618160855.GQ5942@intel.com> References: <20190614183232.GF5942@intel.com> <20190617234810.25874-1-matthew.d.roper@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7564E6E18F for ; Tue, 18 Jun 2019 16:08:58 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190617234810.25874-1-matthew.d.roper@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Matt Roper Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCBKdW4gMTcsIDIwMTkgYXQgMDQ6NDg6MTBQTSAtMDcwMCwgTWF0dCBSb3BlciB3cm90 ZToKPiBFSEwgaGFzIGEgbXV4IG9uIGNvbWJvIFBIWSBBIHRoYXQgYWxsb3dzIGl0IHRvIGJlIGRy aXZlbiBlaXRoZXIgYnkgYW4KPiBpbnRlcm5hbCBkaXNwbGF5IChEREktQSBvciBEU0kgRFBIWSkg b3IgYnkgYW4gZXh0ZXJuYWwgZGlzcGxheSAoRERJLUQpLgo+IFRoaXMgaXMgYSBtb3RoZXJib2Fy ZCBkZXNpZ24gZGVjaXNpb24gdGhhdCBjYW4gbm90IGJlIGNoYW5nZWQgb24gdGhlCj4gZmx5LiAg VW5mb3J0dW5hdGVseSB0aGVyZSBhcmUgbm8gc3RyYXAgcmVnaXN0ZXJzIHRoYXQgYWxsb3cgdXMg dG8gZGV0ZWN0Cj4gdGhlIGJvYXJkIGNvbmZpZ3VyYXRpb24gZGlyZWN0bHksIHNvIGxldCdzIHVz ZSB0aGUgVkJUIHRvIHRyeSB0byBmaWd1cmUKPiBpdCBvdXQgYW5kIHByb2dyYW0gdGhlIG11eCBh Y2NvcmRpbmdseS4KPiAKPiB2MjoKPiAgLSBDb25maXJtZWQgdGhhdCBWQlQncyBkdm8gcG9ydCBy ZWZlcnMgdG8gdGhlIERESSBhbmQgbm90IHRoZSBQSFkuCj4gICAgVGh1cyB3ZSBjYW4gY2hlY2sg bW9yZSBleHBsaWNpdGx5IGZvciAoZGRpX2QgJiYgIShkZGlfYSB8fCBkc2kpKS4gIElmCj4gICAg YSBiYWQgVkJUIGNvbnRyYWRpY3RzIGl0c2VsZiwgbGV0IGludGVybmFsIGRpc3BsYXkgd2luLiAg KFZpbGxlKQo+IAo+IENjOiBDbGludCBUYXlsb3IgPENsaW50b24uQS5UYXlsb3JAaW50ZWwuY29t Pgo+IENjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+ IFNpZ25lZC1vZmYtYnk6IE1hdHQgUm9wZXIgPG1hdHRoZXcuZC5yb3BlckBpbnRlbC5jb20+Cj4g LS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfYmlvcy5jICAgICB8ICAz ICsrCj4gIC4uLi9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9jb21ib19waHkuYyAgICB8IDM2 ICsrKysrKysrKysrKysrKysrKysKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaCAg ICAgICAgICAgICAgIHwgIDEgKwo+ICAzIGZpbGVzIGNoYW5nZWQsIDQwIGluc2VydGlvbnMoKykK PiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9iaW9z LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Jpb3MuYwo+IGluZGV4IGM0 NzEwODg5Y2IzMi4uMGM5ODA4MTMyZDY3IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2Rpc3BsYXkvaW50ZWxfYmlvcy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlz cGxheS9pbnRlbF9iaW9zLmMKPiBAQCAtMTY2OCw2ICsxNjY4LDkgQEAgcGFyc2VfZ2VuZXJhbF9k ZWZpbml0aW9ucyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4gIAkJaWYgKCFj aGlsZC0+ZGV2aWNlX3R5cGUpCj4gIAkJCWNvbnRpbnVlOwo+ICAKPiArCQlEUk1fREVCVUdfS01T KCJGb3VuZCBWQlQgY2hpbGQgZGV2aWNlIHdpdGggdHlwZSAweCV4XG4iLAo+ICsJCQkgICAgICBj aGlsZC0+ZGV2aWNlX3R5cGUpOwo+ICsKCldhcyB0aGlzIGh1bmsgaW50ZW50aW9uYWw/Cgo+ICAJ CS8qCj4gIAkJICogQ29weSBhcyBtdWNoIGFzIHdlIGtub3cgKHNpemVvZikgYW5kIGlzIGF2YWls YWJsZQo+ICAJCSAqIChjaGlsZF9kZXZfc2l6ZSkgb2YgdGhlIGNoaWxkIGRldmljZS4gQWNjZXNz aW5nIHRoZSBkYXRhIG11c3QKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlz cGxheS9pbnRlbF9jb21ib19waHkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50 ZWxfY29tYm9fcGh5LmMKPiBpbmRleCA4NDE3MDhkYTVhNTYuLmMxODA3OWEwOWEyZSAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2NvbWJvX3BoeS5jCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9jb21ib19waHkuYwo+IEBA IC0yNjAsNiArMjYwLDMyIEBAIHZvaWQgaW50ZWxfY29tYm9fcGh5X3Bvd2VyX3VwX2xhbmVzKHN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKPiAgCUk5MTVfV1JJVEUoSUNMX1BPUlRf Q0xfRFcxMChwb3J0KSwgdmFsKTsKPiAgfQo+ICAKPiArc3RhdGljIHUzMiBlaGxfY29tYm9fcGh5 X2FfbXV4KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICppOTE1LCB1MzIgdmFsKQo+ICt7Cj4gKwli b29sIGRkaV9hX3ByZXNlbnQgPSBpOTE1LT52YnQuZGRpX3BvcnRfaW5mb1tQT1JUX0FdLmNoaWxk ICE9IE5VTEw7Cj4gKwlib29sIGRkaV9kX3ByZXNlbnQgPSBpOTE1LT52YnQuZGRpX3BvcnRfaW5m b1tQT1JUX0RdLmNoaWxkICE9IE5VTEw7Cj4gKwlib29sIGRzaV9wcmVzZW50ID0gaW50ZWxfYmlv c19pc19kc2lfcHJlc2VudChpOTE1LCBOVUxMKTsKPiArCj4gKwkvKgo+ICsJICogVkJUJ3MgJ2R2 byBwb3J0JyBmaWVsZCBmb3IgY2hpbGQgZGV2aWNlcyByZWZlcmVuY2VzIHRoZSBEREksIG5vdAo+ ICsJICogdGhlIFBIWS4gIFNvIGlmIGNvbWJvIFBIWSBBIGlzIHdpcmVkIHVwIHRvIGRyaXZlIGFu IGV4dGVybmFsCj4gKwkgKiBkaXNwbGF5LCB3ZSBzaG91bGQgc2VlIGEgY2hpbGQgZGV2aWNlIHBy ZXNlbnQgb24gUE9SVF9EIGFuZAo+ICsJICogbm90aGluZyBvbiBQT1JUX0EgYW5kIG5vIERTSS4K PiArCSAqLwo+ICsJaWYgKGRkaV9kX3ByZXNlbnQgJiYgIWRkaV9hX3ByZXNlbnQgJiYgIWRzaV9w cmVzZW50KQo+ICsJCXJldHVybiB2YWwgfCBJQ0xfUEhZX01JU0NfTVVYX0RESUQ7Cj4gKwo+ICsJ LyoKPiArCSAqIElmIHdlIGVuY291bnRlciBhIFZCVCB0aGF0IGNsYWltcyB0byBoYXZlIGFuIGV4 dGVybmFsIGRpc3BsYXkgb24KPiArCSAqIERESS1EIF9hbmRfIGFuIGludGVybmFsIGRpc3BsYXkg b24gRERJLUEvRFNJIGxlYXZlIGFuIGVycm9yIG1lc3NhZ2UKPiArCSAqIGluIHRoZSBsb2cgYW5k IGxldCB0aGUgaW50ZXJuYWwgZGlzcGxheSB3aW4uCj4gKwkgKi8KPiArCWlmIChkZGlfZF9wcmVz ZW50KQo+ICsJCURSTV9FUlJPUigiVkJUIGNsYWltcyB0byBoYXZlIGJvdGggaW50ZXJuYWwgYW5k IGV4dGVybmFsIGRpc3BsYXlzIG9uIFBIWSBBLiAgQ29uZmlndXJpbmcgZm9yIGludGVybmFsLlxu Iik7Cj4gKwo+ICsJcmV0dXJuIHZhbCAmIH5JQ0xfUEhZX01JU0NfTVVYX0RESUQ7Cj4gK30KPiAr Cj4gIHN0YXRpYyB2b2lkIGljbF9jb21ib19waHlzX2luaXQoc3RydWN0IGRybV9pOTE1X3ByaXZh dGUgKmRldl9wcml2KQo+ICB7Cj4gIAllbnVtIHBvcnQgcG9ydDsKPiBAQCAtMjczLDcgKzI5OSwx NyBAQCBzdGF0aWMgdm9pZCBpY2xfY29tYm9fcGh5c19pbml0KHN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdikKPiAgCQkJY29udGludWU7Cj4gIAkJfQo+ICAKPiArCQkvKgo+ICsJCSAq IEVITCdzIGNvbWJvIFBIWSBBIGNhbiBiZSBob29rZWQgdXAgdG8gZWl0aGVyIGFuIGV4dGVybmFs Cj4gKwkJICogZGlzcGxheSAodmlhIERESS1EKSBvciBhbiBpbnRlcm5hbCBkaXNwbGF5ICh2aWEg RERJLUEgb3IKPiArCQkgKiB0aGUgRFNJIERQSFkpLiAgVGhpcyBpcyBhIG1vdGhlcmJvYXJkIGRl c2lnbiBkZWNpc2lvbiB0aGF0Cj4gKwkJICogY2FuJ3QgYmUgY2hhbmdlZCBvbiB0aGUgZmx5LCBz byBpbml0aWFsaXplIHRoZSBQSFkncyBtdXgKPiArCQkgKiBiYXNlZCBvbiB3aGV0aGVyIG91ciBW QlQgaW5kaWNhdGVzIHRoZSBwcmVzZW5jZSBvZiBhbnkKPiArCQkgKiAiaW50ZXJuYWwiIGNoaWxk IGRldmljZXMuCj4gKwkJICovCj4gIAkJdmFsID0gSTkxNV9SRUFEKElDTF9QSFlfTUlTQyhwb3J0 KSk7Cj4gKwkJaWYgKCFJU19JQ0VMQUtFKGRldl9wcml2KSAmJiBwb3J0ID09IFBPUlRfQSkKCk1h eWJlIElTX0VITCBpbnN0ZWFkPwoKUGF0Y2ggaXMKUmV2aWV3ZWQtYnk6IFZpbGxlIFN5cmrDpGzD pCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cgo+ICsJCQl2YWwgPSBlaGxfY29tYm9f cGh5X2FfbXV4KGRldl9wcml2LCB2YWwpOwo+ICAJCXZhbCAmPSB+SUNMX1BIWV9NSVNDX0RFX0lP X0NPTVBfUFdSX0RPV047Cj4gIAkJSTkxNV9XUklURShJQ0xfUEhZX01JU0MocG9ydCksIHZhbCk7 Cj4gIAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oIGIvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9yZWcuaAo+IGluZGV4IDFhZTM2YjllZmM4NS4uNjhhZmFm YWZkMzEyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVnLmgKPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3JlZy5oCj4gQEAgLTExMTM4LDYgKzExMTM4 LDcgQEAgZW51bSBza2xfcG93ZXJfZ2F0ZSB7Cj4gICNkZWZpbmUgX0lDTF9QSFlfTUlTQ19CCQkw eDY0QzA0Cj4gICNkZWZpbmUgSUNMX1BIWV9NSVNDKHBvcnQpCV9NTUlPX1BPUlQocG9ydCwgX0lD TF9QSFlfTUlTQ19BLCBcCj4gIAkJCQkJCSBfSUNMX1BIWV9NSVNDX0IpCj4gKyNkZWZpbmUgIElD TF9QSFlfTUlTQ19NVVhfRERJRAkJCSgxIDw8IDI4KQo+ICAjZGVmaW5lICBJQ0xfUEhZX01JU0Nf REVfSU9fQ09NUF9QV1JfRE9XTgkoMSA8PCAyMykKPiAgCj4gIC8qIEljZWxha2UgRGlzcGxheSBT dHJlYW0gQ29tcHJlc3Npb24gUmVnaXN0ZXJzICovCj4gLS0gCj4gMi4xNy4yCgotLSAKVmlsbGUg U3lyasOkbMOkCkludGVsCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVs LWdmeA==