From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v3 2/6] drm/i915/display/icl: Enable TRANSCODER PORT SYNC for tiled displays across separate ports Date: Mon, 30 Sep 2019 17:19:09 +0300 Message-ID: <20190930141909.GC1208@intel.com> References: <20190922170807.12436-1-manasi.d.navare@intel.com> <20190922170807.12436-2-manasi.d.navare@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id E12266E450 for ; Mon, 30 Sep 2019 14:19:13 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20190922170807.12436-2-manasi.d.navare@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 Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, Jani Nikula List-Id: intel-gfx@lists.freedesktop.org T24gU3VuLCBTZXAgMjIsIDIwMTkgYXQgMTA6MDg6MDNBTSAtMDcwMCwgTWFuYXNpIE5hdmFyZSB3 cm90ZToKPiBJbiBjYXNlIG9mIHRpbGVkIGRpc3BsYXlzIHdoZXJlIGRpZmZlcmVudCB0aWxlcyBh cmUgZGlzcGxheWVkIGFjcm9zcwo+IGRpZmZlcmVudCBwb3J0cywgd2UgbmVlZCB0byBzeW5jaHJv bml6ZSB0aGUgdHJhbnNjb2RlcnMgaW52b2x2ZWQuCj4gVGhpcyBwYXRjaCBpbXBsZW1lbnRzIHRo ZSB0cmFuc2NvZGVyIHBvcnQgc3luYyBmZWF0dXJlIGZvcgo+IHN5bmNocm9uaXppbmcgb25lIG1h c3RlciB0cmFuc2NvZGVyIHdpdGggb25lIG9yIG1vcmUgc2xhdmUKPiB0cmFuc2NvZGVycy4gVGhp cyBpcyBvbmx5IGVuYmFsZWQgaW4gc2xhdmUgdHJhbnNjb2Rlcgo+IGFuZCB0aGUgbWFzdGVyIHRy YW5zY29kZXIgaXMgdW5hd2FyZSB0aGF0IGl0IGlzIG9wZXJhdGluZwo+IGluIHRoaXMgbW9kZS4K PiBUaGlzIGhhcyBiZWVuIHRlc3RlZCB3aXRoIHRpbGVkIGRpc3BsYXkgY29ubmVjdGVkIHRvIElD TC4KPiAKPiB2NToKPiAqIEFkZCBUUkFOU0NPREVSX0QgY2FzZSBhbmQgTUlTU0lOR19DQVNFIChN YWFydGVuKQo+IHY0Ogo+IFJlYmFzZQo+IHYzOgo+ICogQ2hlY2sgb2YgRFBfTVNUIG1vdmVkIHRv IGF0b21pY19jaGVjayAoTWFhcnRlbikKPiB2MjoKPiAqIERvIG5vdCB1c2UgUk1XLCBqdXN0IHdy aXRlIHRvIHRoZSByZWdpc3RlciBpbiBjb21taXQgKEphbmkgTikKPiAKPiBDYzogRGFuaWVsIFZl dHRlciA8ZGFuaWVsLnZldHRlckBpbnRlbC5jb20+Cj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmls bGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1hYXJ0ZW4gTGFua2hvcnN0IDxtYWFy dGVuLmxhbmtob3JzdEBsaW51eC5pbnRlbC5jb20+Cj4gQ2M6IE1hdHQgUm9wZXIgPG1hdHRoZXcu ZC5yb3BlckBpbnRlbC5jb20+Cj4gQ2M6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5j b20+Cj4gU2lnbmVkLW9mZi1ieTogTWFuYXNpIE5hdmFyZSA8bWFuYXNpLmQubmF2YXJlQGludGVs LmNvbT4KPiBSZXZpZXdlZC1ieTogTWFhcnRlbiBMYW5raG9yc3QgPG1hYXJ0ZW4ubGFua2hvcnN0 QGxpbnV4LmludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9p bnRlbF9kaXNwbGF5LmMgfCA0NiArKysrKysrKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hhbmdl ZCwgNDYgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkv aW50ZWxfZGlzcGxheS5jCj4gaW5kZXggNGZmMzc1ZDU4NTJkLi4xYWU1ZWFmZTI4OTIgMTAwNjQ0 Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kaXNwbGF5LmMKPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2Rpc3BsYXkuYwo+IEBAIC00 NDI2LDYgKzQ0MjYsNDkgQEAgc3RhdGljIHZvaWQgaWNsX3NldF9waXBlX2NoaWNrZW4oc3RydWN0 IGludGVsX2NydGMgKmNydGMpCj4gIAlJOTE1X1dSSVRFKFBJUEVfQ0hJQ0tFTihwaXBlKSwgdG1w KTsKPiAgfQo+ICAKPiArc3RhdGljIHZvaWQgaWNsX2VuYWJsZV90cmFuc19wb3J0X3N5bmMoY29u c3Qgc3RydWN0IGludGVsX2NydGNfc3RhdGUgKmNydGNfc3RhdGUpCj4gK3sKPiArCXN0cnVjdCBp bnRlbF9jcnRjICpjcnRjID0gdG9faW50ZWxfY3J0YyhjcnRjX3N0YXRlLT5iYXNlLmNydGMpOwo+ ICsJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gdG9faTkxNShjcnRjLT5iYXNl LmRldik7Cj4gKwl1MzIgdHJhbnNfZGRpX2Z1bmNfY3RsMl92YWw7Cj4gKwl1OCBtYXN0ZXJfc2Vs ZWN0Owo+ICsKPiArCS8qCj4gKwkgKiBDb25maWd1cmUgdGhlIG1hc3RlciBzZWxlY3QgYW5kIGVu YWJsZSBUcmFuc2NvZGVyIFBvcnQgU3luYyBmb3IKPiArCSAqIFNsYXZlIENSVENzIHRyYW5zY29k ZXIuCj4gKwkgKi8KPiArCWlmIChjcnRjX3N0YXRlLT5tYXN0ZXJfdHJhbnNjb2RlciA9PSBJTlZB TElEX1RSQU5TQ09ERVIpCj4gKwkJcmV0dXJuOwo+ICsKPiArCXN3aXRjaCAoY3J0Y19zdGF0ZS0+ bWFzdGVyX3RyYW5zY29kZXIpIHsKPiArCWNhc2UgVFJBTlNDT0RFUl9BOgo+ICsJCW1hc3Rlcl9z ZWxlY3QgPSAxOwo+ICsJCWJyZWFrOwo+ICsJY2FzZSBUUkFOU0NPREVSX0I6Cj4gKwkJbWFzdGVy X3NlbGVjdCA9IDI7Cj4gKwkJYnJlYWs7Cj4gKwljYXNlIFRSQU5TQ09ERVJfQzoKPiArCQltYXN0 ZXJfc2VsZWN0ID0gMzsKPiArCQlicmVhazsKPiArCWNhc2UgVFJBTlNDT0RFUl9EOgo+ICsJCW1h c3Rlcl9zZWxlY3QgPSA0Owo+ICsJCWJyZWFrOwoKVGhhdCdzIGFsbCBqdXN0IG1hc3Rlcl90cmFu c2NvZGVyKzEuCgo+ICsJY2FzZSBUUkFOU0NPREVSX0VEUDoKCkVEUCB0cmFuc2NvZGVyIGNhbiBi ZSBtYXN0ZXIuIFRoZSBNSVNTSU5HX0NBU0UgaXMgd3JvbmcgZm9yIEVEUC4KCj4gKwlkZWZhdWx0 Ogo+ICsJCU1JU1NJTkdfQ0FTRShjcnRjX3N0YXRlLT5tYXN0ZXJfdHJhbnNjb2Rlcik7Cj4gKwkJ bWFzdGVyX3NlbGVjdCA9IDA7Cj4gKwl9Cj4gKwkvKiBTZXQgdGhlIG1hc3RlciBzZWxlY3QgYml0 cyBmb3IgVHJhbmFzY29kZXIgUG9ydCBTeW5jICovCj4gKwl0cmFuc19kZGlfZnVuY19jdGwyX3Zh bCA9IChQT1JUX1NZTkNfTU9ERV9NQVNURVJfU0VMRUNUKG1hc3Rlcl9zZWxlY3QpICYKPiArCQkJ CSAgIFBPUlRfU1lOQ19NT0RFX01BU1RFUl9TRUxFQ1RfTUFTSykgPDwKPiArCQlQT1JUX1NZTkNf TU9ERV9NQVNURVJfU0VMRUNUX1NISUZUOwo+ICsJLyogRW5hYmxlIFRyYW5zY29kZXIgUG9ydCBT eW5jICovCj4gKwl0cmFuc19kZGlfZnVuY19jdGwyX3ZhbCB8PSBQT1JUX1NZTkNfTU9ERV9FTkFC TEU7Cj4gKwo+ICsJSTkxNV9XUklURShUUkFOU19ERElfRlVOQ19DVEwyKGNydGNfc3RhdGUtPmNw dV90cmFuc2NvZGVyKSwKPiArCQkgICB0cmFuc19kZGlfZnVuY19jdGwyX3ZhbCk7Cj4gK30KPiAr Cj4gIHN0YXRpYyB2b2lkIGludGVsX3VwZGF0ZV9waXBlX2NvbmZpZyhjb25zdCBzdHJ1Y3QgaW50 ZWxfY3J0Y19zdGF0ZSAqb2xkX2NydGNfc3RhdGUsCj4gIAkJCQkgICAgIGNvbnN0IHN0cnVjdCBp bnRlbF9jcnRjX3N0YXRlICpuZXdfY3J0Y19zdGF0ZSkKPiAgewo+IEBAIC02NDk0LDYgKzY1Mzcs OSBAQCBzdGF0aWMgdm9pZCBoYXN3ZWxsX2NydGNfZW5hYmxlKHN0cnVjdCBpbnRlbF9jcnRjX3N0 YXRlICpwaXBlX2NvbmZpZywKPiAgCWlmICghdHJhbnNjb2Rlcl9pc19kc2koY3B1X3RyYW5zY29k ZXIpKQo+ICAJCWludGVsX3NldF9waXBlX3RpbWluZ3MocGlwZV9jb25maWcpOwo+ICAKPiArCWlm IChJTlRFTF9HRU4oZGV2X3ByaXYpID49IDExKQo+ICsJCWljbF9lbmFibGVfdHJhbnNfcG9ydF9z eW5jKHBpcGVfY29uZmlnKTsKPiArCj4gIAlpbnRlbF9zZXRfcGlwZV9zcmNfc2l6ZShwaXBlX2Nv bmZpZyk7Cj4gIAo+ICAJaWYgKGNwdV90cmFuc2NvZGVyICE9IFRSQU5TQ09ERVJfRURQICYmCj4g LS0gCj4gMi4xOS4xCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50 ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==