From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: DP compliance failure due to dithering for 18bpp video pattern Date: Thu, 12 Jan 2017 12:32:09 +0200 Message-ID: <87inpk602e.fsf@intel.com> References: <20170110014329.GA12751@intel.com> <87o9zd7hwj.fsf@intel.com> <20170111153520.GL31595@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A1456EAE8 for ; Thu, 12 Jan 2017 10:32:12 +0000 (UTC) In-Reply-To: <20170111153520.GL31595@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 =?utf-8?B?U3lyasOkbMOk?= Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAxMSBKYW4gMjAxNywgVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbT4gd3JvdGU6Cj4gT24gV2VkLCBKYW4gMTEsIDIwMTcgYXQgMDU6MDk6MTZQTSAr MDIwMCwgSmFuaSBOaWt1bGEgd3JvdGU6Cj4+IE9uIFR1ZSwgMTAgSmFuIDIwMTcsIE1hbmFzaSBO YXZhcmUgPG1hbmFzaS5kLm5hdmFyZUBpbnRlbC5jb20+IHdyb3RlOgo+PiA+IEhpIEFsbCwKPj4g Pgo+PiA+IFdlIGFyZSBzZWVpbmcgQ1JDIGNoZWNrIGZhaWx1cmVzIGluIHNvbWUgb2YgdGhlIDE4 YnBwIHZpZGVvIHBhdHRlcm4KPj4gPiBEUCBDb21wbGlhbmNlIHRlc3RzIGNhdXNpbmcgdGhlIHRl c3RzIHRvIGZhaWwuIE9uIGZ1cnRoZXIgaW52ZXN0aWdhdGlvbiwgaXQgaXMKPj4gPiByb290Y2F1 c2VkIHRvIGRpdGhlcmluZyB0aGF0IHRoZSBpOTE1IGRyaXZlciBlbmFibGVzIGluIGNhc2Ugb2Yg MThicHAgcGlwZQo+PiA+IGNvbmZpZ3VyYXRpb24gdGhhdCBtZXNzZXMgdXAgdGhlIENSQyBhbmQg Y2F1c2VzIHRoZSB0ZXN0IHRvIGZhaWwuCj4+IAo+PiBUaGUgQ1RTIHNwZWMgYWN0dWFsbHkgYWNj b3VudHMgZm9yIENSQyBmYWlsdXJlcyBjYXVzZWQgYnkgZGl0aGVyaW5nIGFuZAo+PiBjb2xvciBz cGFjZSBjb252ZXJzaW9ucy4gU2VlIHNlY3Rpb24gMy4yLjEuIEhvd2V2ZXIsIGl0IHdvdWxkIGJl Cj4+IHByZWZlcnJhYmxlIHRvIGJlIGFibGUgdG8gYXV0b21hdGUgdGhpcy4KPj4gCj4+ID4gU29t ZSBvZiB0aGUgYXBwcm9hY2hlcyB0aGF0IGNhbiBzb2x2ZSB0aGlzIHByb2JsZW0gYXJlOgo+PiA+ IDEuICBBZGQgYSBuZXcgbWV0aG9kIGluIGludGVsX2RwLmMgdG8gcmVxdWVzdCB0aGUgY29tcGxp YW5jZSB0ZXN0IHN0YXRlLgo+PiA+IENhbGwgdGhpcyBuZXcgbWV0aG9kIGluIGludGVsX2Rpc3Bs YXkuYyB0byBub3QgZW5hYmxlIGRpdGhlcmluZyBkdXJpbmcgYQo+PiA+IGNvbXBsaWFuY2UgdGVz dC4gSXNzdWUgd2l0aCB0aGlzIGlzIGl0IG1ha2VzIHRoZSBnZW5lcmFsIHBvcnRpb24gb2YgdGhl IGRyaXZlcgo+PiA+IGNvbXBsaWFuY2UgYXdhcmUuCj4+ID4KPj4gPiAyLiAgTW92ZSB0aGUgZGl0 aGVyaW5nIGVuYWJsZSB0byBjb21wdXRlX2NvbmZpZyBtZXRob2RzIGluIGFsbCBlbmNvZGVyIHNv dXJjZQo+PiA+IGZpbGVzLiBJc3N1ZTogTG90IG9mIGR1cGxpY2F0ZSBjb2RlIGFuZCBEUCBpcyB0 aGUgb25seSBlbmNvZGVyIHRoYXQgdXNlcyAxOGJwYy4KPj4gPgo+PiA+IDMuICBEaXNhYmxlIGRp dGhlcmluZyBhdCBhbGwgdGltZXMgaW4gdGhlIGRyaXZlci4gSG93ZXZlciB0aGlzIGNhbiBjYXVz ZSBpbWFnZQo+PiA+IHF1YWxpdHkgaXNzdWUgd2l0aCA4YnBjIHBsYW5lIGFuZCA2IGJpdCBwaXBl Lgo+PiA+Cj4+ID4gQW55IHN1Z2dlc3Rpb25zIG9uIHdoaWNoIGFwcHJvYWNoIGNhbiBiZSBpbXBs ZW1lbnRlZCBpbiBvcmRlciB0byBwYXNzCj4+ID4gY29tcGxpYW5jZT8KPj4gCj4+IEkgY2FuJ3Qg ZmluZCBhbnkgbWVudGlvbiBpbiB0aGUgc3BlY3MgdGhhdCB3ZSBjb3VsZG4ndCBlbmFibGUvZGlz YWJsZQo+PiBkaXRoZXJpbmcgb24gdGhlIGZseS4gSXQncyBQSVBFX01JU0MgZm9yIEJEVysgYW5k IFBJUEVfQ09ORiBmb3IgdGhlCj4+IHJlc3QuIFNvIEknbSB3b25kZXJpbmcgYWJvdXQgZG9pbmcu Li4KPj4gCj4+IDQuIERpc2FibGUgZGl0aGVyaW5nIGF0IGludGVsX2RwX3NpbmtfY3JjX3N0YXJ0 KCkgYW5kIGVuYWJsZSBpdCBhZ2Fpbgo+PiAgICAoYWNjb3JkaW5nIHRvIGNvbmZpZy0+ZGl0aGVy KSBhdCBpbnRlbF9kcF9zaW5rX2NyY19zdG9wKCkuIEl0J3MKPj4gICAgc2ltaWxhciB0byB0aGUg aHN3X2Rpc2FibGVfaXBzKCkgYW5kIGhzd19lbmFibGVfaXBzKCkgY2FsbHMsIGJ1dAo+PiAgICB3 b3VsZCBoYXZlIHRvIGNvdmVyIG1vcmUgcGxhdGZvcm1zLgo+PiAKPj4gVmlsbGUsIHRob3VnaHRz IG9uIGNoYW5naW5nIGRpdGhlcmluZyBvbiB0aGUgZmx5Pwo+Cj4gU2hvdWxkIGJlIGZpbmUgSSB0 aGluay4KPgo+IEJUVyBzZWUgCj4gaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvYXJjaGl2 ZXMvaW50ZWwtZ2Z4LzIwMTYtRGVjZW1iZXIvMTE1MTg2Lmh0bWwKPiBpZiB5b3UgaW50ZW5kIHRv IGFkZCBtb3JlIGNyYyB3b3JrYXJvdW5kIHR5cGUgb2YgdGhpbmdzLiBUaGVyZSBJJ20KPiBjaGFu Z2luZyB0aGUgSVBTIHcvYSB0byBmb3JjZSBhIGZ1bGwgbW9kZXNldCBiZWNhdXNlIGl0IHdhcyB0 aGUgZWFzaWVzdAo+IHdheSB0byBkbyB0aGluZ3MsIGFuZCB0aGUgY3VycmVudCB0aGluZyBpcyBq dXN0IGJyb2tlbi4KCkkgdGhpbmsgZm9yY2luZyBhIG1vZGVzZXQgZm9yIHNpbmsgY3JjIHdvdWxk IGJlIHJhdGhlciBhbm5veWluZy4KCkJSLApKYW5pLgoKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwg T3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==