From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E71DDC433EF for ; Fri, 1 Apr 2022 06:40:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3E3D310FB2F; Fri, 1 Apr 2022 06:40:45 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 26DBF10FB2F for ; Fri, 1 Apr 2022 06:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648795244; x=1680331244; h=from:to:subject:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version; bh=byk7v3957rqO0GA36oQveCOSntQa/Su4wXPhke35vl0=; b=nupuTuuMpYW2iI3eaciAYtEFJkfW8YtFpz4ITHxqzg0YSBAgUGvekRXM xpKddDD4WVf6E3a7G0zyQfHz0r7mdsSSCuHMg83HY7voBz/nJGfqSbr+h U4xKRnjB1uwHBqG5BZbP3RolZEoYN1Pnu/Sg1xF+B1LWKnu62tJ8TRAMj vBN57dcSQkzVmxXyYSnw4+UhFn6Jzxf7XLVVkeDcrLP+y7EgkwFhA3ih5 7KhyVd7rsRjlLA/Mgfewb/yvYXM3+105yV+hwqcP3/k6v7fFd16yYfb5H TiHw8KGKkPFZnZRNEjRv77pJ8Vyx0zVz+DFrXUGpoLvKoA/+3RNqxBADb Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10303"; a="259758764" X-IronPort-AV: E=Sophos;i="5.90,226,1643702400"; d="scan'208";a="259758764" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Mar 2022 23:40:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,226,1643702400"; d="scan'208";a="522659785" Received: from fmsmsx603.amr.corp.intel.com ([10.18.126.83]) by orsmga006.jf.intel.com with ESMTP; 31 Mar 2022 23:40:43 -0700 Received: from bgsmsx603.gar.corp.intel.com (10.109.78.82) by fmsmsx603.amr.corp.intel.com (10.18.126.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Thu, 31 Mar 2022 23:40:42 -0700 Received: from bgsmsx604.gar.corp.intel.com (10.67.234.6) by BGSMSX603.gar.corp.intel.com (10.109.78.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Fri, 1 Apr 2022 12:10:40 +0530 Received: from bgsmsx604.gar.corp.intel.com ([10.67.234.6]) by BGSMSX604.gar.corp.intel.com ([10.67.234.6]) with mapi id 15.01.2308.027; Fri, 1 Apr 2022 12:10:40 +0530 From: "Shankar, Uma" To: Ville Syrjala , "intel-gfx@lists.freedesktop.org" Thread-Topic: [Intel-gfx] [PATCH v2 09/12] drm/i915/dp: Add support for "4:2:0 also" modes for DP Thread-Index: AQHYPeSREZz7h5yIQ0+ZUe9Bv6LIpKzaqvqw Date: Fri, 1 Apr 2022 06:40:40 +0000 Message-ID: References: <20220322120015.28074-1-ville.syrjala@linux.intel.com> <20220322120015.28074-10-ville.syrjala@linux.intel.com> In-Reply-To: <20220322120015.28074-10-ville.syrjala@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.401.20 x-originating-ip: [10.223.10.1] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH v2 09/12] drm/i915/dp: Add support for "4:2:0 also" modes for DP X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogSW50ZWwtZ2Z4IDxpbnRl bC1nZngtYm91bmNlc0BsaXN0cy5mcmVlZGVza3RvcC5vcmc+IE9uIEJlaGFsZiBPZiBWaWxsZSBT eXJqYWxhDQo+IFNlbnQ6IFR1ZXNkYXksIE1hcmNoIDIyLCAyMDIyIDU6MzAgUE0NCj4gVG86IGlu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcNCj4gU3ViamVjdDogW0ludGVsLWdmeF0gW1BB VENIIHYyIDA5LzEyXSBkcm0vaTkxNS9kcDogQWRkIHN1cHBvcnQgZm9yICI0OjI6MCBhbHNvIg0K PiBtb2RlcyBmb3IgRFANCj4gDQo+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFs YUBsaW51eC5pbnRlbC5jb20+DQo+IA0KPiBDdXJyZW50bHkgd2Ugb25seSBzdXBwb3J0ICI0OjI6 MCBhbHNvIiBtb2RlcyBvbiBuYXRpdmUgSERNSS4NCj4gRXh0ZW5kIHRoYXQgc3VwcG9ydCBmb3Ig RFAgYXMgd2VsbC4NCj4gDQo+IFdpdGggYWxsIHRoZSBIRE1JIERGUCBUTURTIGNsb2NrIGhhbmRs aW5nIHNvcnRlZCBvdXQgdGhpcyBpcyBub3cgZ29pbmcgdG8gd29yayBmb3INCj4gYm90aCBuYXRp dmUgRFAgYW5kIERQLT5IRE1JIGNvbnZlcnRlcnMuIEFzIHdpdGggbmF0aXZlIEhETUkgd2UgZmly c3QgY2hlY2sgaWYgUkdCDQo+IG91dHB1dCBpcyBwb3NzaWJsZSwgYW5kIGlmIG5vdCB3ZSB0cnkg WUNiQ3IgNDoyOjAgaW5zdGVhZC4NCg0KTG9va3MgR29vZCB0byBtZS4NClJldmlld2VkLWJ5OiBV bWEgU2hhbmthciA8dW1hLnNoYW5rYXJAaW50ZWwuY29tPg0KDQo+IFNpZ25lZC1vZmYtYnk6IFZp bGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+DQo+IC0tLQ0KPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcC5jIHwgNjcgKysrKysrKysrKysr KysrKysrKysrKy0tLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDU5IGluc2VydGlvbnMoKyksIDggZGVs ZXRpb25zKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxh eS9pbnRlbF9kcC5jDQo+IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcC5j DQo+IGluZGV4IDQzNmQwYjBmMGI3Ni4uM2RiYjY4ZmE0ZTUxIDEwMDY0NA0KPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2RwLmMNCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9kcC5jDQo+IEBAIC04OTUsNiArODk1LDggQEAgaW50ZWxf ZHBfbW9kZV92YWxpZF9kb3duc3RyZWFtKHN0cnVjdCBpbnRlbF9jb25uZWN0b3INCj4gKmNvbm5l Y3RvciwgIHsNCj4gIAlzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwID0gaW50ZWxfYXR0YWNoZWRf ZHAoY29ubmVjdG9yKTsNCj4gIAljb25zdCBzdHJ1Y3QgZHJtX2Rpc3BsYXlfaW5mbyAqaW5mbyA9 ICZjb25uZWN0b3ItPmJhc2UuZGlzcGxheV9pbmZvOw0KPiArCWVudW0gZHJtX21vZGVfc3RhdHVz IHN0YXR1czsNCj4gKwlib29sIHljYmNyXzQyMF9vbmx5Ow0KPiANCj4gIAkvKiBJZiBQQ09OIHN1 cHBvcnRzIEZSTCBNT0RFLCBjaGVjayBGUkwgYmFuZHdpZHRoIGNvbnN0cmFpbnRzICovDQo+ICAJ aWYgKGludGVsX2RwLT5kZnAucGNvbl9tYXhfZnJsX2J3KSB7DQo+IEBAIC05MTksOSArOTIxLDI1 IEBAIGludGVsX2RwX21vZGVfdmFsaWRfZG93bnN0cmVhbShzdHJ1Y3QgaW50ZWxfY29ubmVjdG9y DQo+ICpjb25uZWN0b3IsDQo+ICAJICAgIHRhcmdldF9jbG9jayA+IGludGVsX2RwLT5kZnAubWF4 X2RvdGNsb2NrKQ0KPiAgCQlyZXR1cm4gTU9ERV9DTE9DS19ISUdIOw0KPiANCj4gKwl5Y2Jjcl80 MjBfb25seSA9IGRybV9tb2RlX2lzXzQyMF9vbmx5KGluZm8sIG1vZGUpOw0KPiArDQo+ICAJLyog QXNzdW1lIDhicGMgZm9yIHRoZSBEUCsrL0hETUkvRFZJIFRNRFMgY2xvY2sgY2hlY2sgKi8NCj4g LQlyZXR1cm4gaW50ZWxfZHBfdG1kc19jbG9ja192YWxpZChpbnRlbF9kcCwgdGFyZ2V0X2Nsb2Nr LCA4LA0KPiAtCQkJCQkgZHJtX21vZGVfaXNfNDIwX29ubHkoaW5mbywgbW9kZSkpOw0KPiArCXN0 YXR1cyA9IGludGVsX2RwX3RtZHNfY2xvY2tfdmFsaWQoaW50ZWxfZHAsIHRhcmdldF9jbG9jaywN Cj4gKwkJCQkJICAgOCwgeWNiY3JfNDIwX29ubHkpOw0KPiArDQo+ICsJaWYgKHN0YXR1cyAhPSBN T0RFX09LKSB7DQo+ICsJCWlmICh5Y2Jjcl80MjBfb25seSB8fA0KPiArCQkgICAgIWNvbm5lY3Rv ci0+YmFzZS55Y2Jjcl80MjBfYWxsb3dlZCB8fA0KPiArCQkgICAgIWRybV9tb2RlX2lzXzQyMF9h bHNvKGluZm8sIG1vZGUpKQ0KPiArCQkJcmV0dXJuIHN0YXR1czsNCj4gKw0KPiArCQlzdGF0dXMg PSBpbnRlbF9kcF90bWRzX2Nsb2NrX3ZhbGlkKGludGVsX2RwLCB0YXJnZXRfY2xvY2ssDQo+ICsJ CQkJCQkgICA4LCB0cnVlKTsNCj4gKwkJaWYgKHN0YXR1cyAhPSBNT0RFX09LKQ0KPiArCQkJcmV0 dXJuIHN0YXR1czsNCj4gKwl9DQo+ICsNCj4gKwlyZXR1cm4gTU9ERV9PSzsNCj4gIH0NCj4gDQo+ ICBzdGF0aWMgYm9vbCBpbnRlbF9kcF9uZWVkX2JpZ2pvaW5lcihzdHJ1Y3QgaW50ZWxfZHAgKmlu dGVsX2RwLCBAQCAtMTgyOSw2ICsxODQ3LDQzDQo+IEBAIHN0YXRpYyBib29sIGludGVsX2RwX2hh c19hdWRpbyhzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlciwNCj4gIAkJcmV0dXJuIGludGVs X2Nvbm5fc3RhdGUtPmZvcmNlX2F1ZGlvID09IEhETUlfQVVESU9fT047ICB9DQo+IA0KPiArc3Rh dGljIGludA0KPiAraW50ZWxfZHBfY29tcHV0ZV9vdXRwdXRfZm9ybWF0KHN0cnVjdCBpbnRlbF9l bmNvZGVyICplbmNvZGVyLA0KPiArCQkJICAgICAgIHN0cnVjdCBpbnRlbF9jcnRjX3N0YXRlICpj cnRjX3N0YXRlLA0KPiArCQkJICAgICAgIHN0cnVjdCBkcm1fY29ubmVjdG9yX3N0YXRlICpjb25u X3N0YXRlKSB7DQo+ICsJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSB0b19pOTE1KGVu Y29kZXItPmJhc2UuZGV2KTsNCj4gKwlzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwID0gZW5jX3Rv X2ludGVsX2RwKGVuY29kZXIpOw0KPiArCXN0cnVjdCBpbnRlbF9jb25uZWN0b3IgKmNvbm5lY3Rv ciA9IGludGVsX2RwLT5hdHRhY2hlZF9jb25uZWN0b3I7DQo+ICsJY29uc3Qgc3RydWN0IGRybV9k aXNwbGF5X2luZm8gKmluZm8gPSAmY29ubmVjdG9yLT5iYXNlLmRpc3BsYXlfaW5mbzsNCj4gKwlj b25zdCBzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqYWRqdXN0ZWRfbW9kZSA9ICZjcnRjX3N0YXRl LQ0KPiA+aHcuYWRqdXN0ZWRfbW9kZTsNCj4gKwlib29sIHljYmNyXzQyMF9vbmx5Ow0KPiArCWlu dCByZXQ7DQo+ICsNCj4gKwl5Y2Jjcl80MjBfb25seSA9IGRybV9tb2RlX2lzXzQyMF9vbmx5KGlu Zm8sIGFkanVzdGVkX21vZGUpOw0KPiArDQo+ICsJY3J0Y19zdGF0ZS0+b3V0cHV0X2Zvcm1hdCA9 IGludGVsX2RwX291dHB1dF9mb3JtYXQoY29ubmVjdG9yLA0KPiAreWNiY3JfNDIwX29ubHkpOw0K PiArDQo+ICsJaWYgKHljYmNyXzQyMF9vbmx5ICYmICFpbnRlbF9kcF9pc195Y2JjcjQyMChpbnRl bF9kcCwgY3J0Y19zdGF0ZSkpIHsNCj4gKwkJZHJtX2RiZ19rbXMoJmk5MTUtPmRybSwNCj4gKwkJ CSAgICAiWUNiQ3IgNDoyOjAgbW9kZSBidXQgWUNiQ3IgNDoyOjAgb3V0cHV0IG5vdCBwb3NzaWJs ZS4NCj4gRmFsbGluZyBiYWNrIHRvIFJHQi5cbiIpOw0KPiArCQljcnRjX3N0YXRlLT5vdXRwdXRf Zm9ybWF0ID0gSU5URUxfT1VUUFVUX0ZPUk1BVF9SR0I7DQo+ICsJfQ0KPiArDQo+ICsJcmV0ID0g aW50ZWxfZHBfY29tcHV0ZV9saW5rX2NvbmZpZyhlbmNvZGVyLCBjcnRjX3N0YXRlLCBjb25uX3N0 YXRlKTsNCj4gKwlpZiAocmV0KSB7DQo+ICsJCWlmIChpbnRlbF9kcF9pc195Y2JjcjQyMChpbnRl bF9kcCwgY3J0Y19zdGF0ZSkgfHwNCj4gKwkJICAgICFjb25uZWN0b3ItPmJhc2UueWNiY3JfNDIw X2FsbG93ZWQgfHwNCj4gKwkJICAgICFkcm1fbW9kZV9pc180MjBfYWxzbyhpbmZvLCBhZGp1c3Rl ZF9tb2RlKSkNCj4gKwkJCXJldHVybiByZXQ7DQo+ICsNCj4gKwkJY3J0Y19zdGF0ZS0+b3V0cHV0 X2Zvcm1hdCA9IGludGVsX2RwX291dHB1dF9mb3JtYXQoY29ubmVjdG9yLA0KPiB0cnVlKTsNCj4g KwkJcmV0ID0gaW50ZWxfZHBfY29tcHV0ZV9saW5rX2NvbmZpZyhlbmNvZGVyLCBjcnRjX3N0YXRl LA0KPiBjb25uX3N0YXRlKTsNCj4gKwl9DQo+ICsNCj4gKwlyZXR1cm4gcmV0Ow0KPiArfQ0KPiAr DQo+ICBpbnQNCj4gIGludGVsX2RwX2NvbXB1dGVfY29uZmlnKHN0cnVjdCBpbnRlbF9lbmNvZGVy ICplbmNvZGVyLA0KPiAgCQkJc3RydWN0IGludGVsX2NydGNfc3RhdGUgKnBpcGVfY29uZmlnLCBA QCAtMTgzOSw3ICsxODk0LDYNCj4gQEAgaW50ZWxfZHBfY29tcHV0ZV9jb25maWcoc3RydWN0IGlu dGVsX2VuY29kZXIgKmVuY29kZXIsDQo+ICAJc3RydWN0IGludGVsX2RwICppbnRlbF9kcCA9IGVu Y190b19pbnRlbF9kcChlbmNvZGVyKTsNCj4gIAljb25zdCBzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9k ZSAqZml4ZWRfbW9kZTsNCj4gIAlzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IgPSBp bnRlbF9kcC0+YXR0YWNoZWRfY29ubmVjdG9yOw0KPiAtCWNvbnN0IHN0cnVjdCBkcm1fZGlzcGxh eV9pbmZvICppbmZvID0gJmNvbm5lY3Rvci0+YmFzZS5kaXNwbGF5X2luZm87DQo+ICAJYm9vbCBj b25zdGFudF9uID0gZHJtX2RwX2hhc19xdWlyaygmaW50ZWxfZHAtPmRlc2MsDQo+IERQX0RQQ0Rf UVVJUktfQ09OU1RBTlRfTik7DQo+ICAJaW50IHJldCA9IDAsIG91dHB1dF9icHA7DQo+IA0KPiBA QCAtMTg2OCwxMSArMTkyMiw4IEBAIGludGVsX2RwX2NvbXB1dGVfY29uZmlnKHN0cnVjdCBpbnRl bF9lbmNvZGVyDQo+ICplbmNvZGVyLA0KPiAgCWlmIChpbnRlbF9kcF9oZGlzcGxheV9iYWQoZGV2 X3ByaXYsIGFkanVzdGVkX21vZGUtPmNydGNfaGRpc3BsYXkpKQ0KPiAgCQlyZXR1cm4gLUVJTlZB TDsNCj4gDQo+IC0JcGlwZV9jb25maWctPm91dHB1dF9mb3JtYXQgPQ0KPiAtCQlpbnRlbF9kcF9v dXRwdXRfZm9ybWF0KGNvbm5lY3RvciwgZHJtX21vZGVfaXNfNDIwX29ubHkoaW5mbywNCj4gYWRq dXN0ZWRfbW9kZSkpOw0KPiAtDQo+IC0JcmV0ID0gaW50ZWxfZHBfY29tcHV0ZV9saW5rX2NvbmZp ZyhlbmNvZGVyLCBwaXBlX2NvbmZpZywgY29ubl9zdGF0ZSk7DQo+IC0JaWYgKHJldCA8IDApDQo+ ICsJcmV0ID0gaW50ZWxfZHBfY29tcHV0ZV9vdXRwdXRfZm9ybWF0KGVuY29kZXIsIHBpcGVfY29u ZmlnLCBjb25uX3N0YXRlKTsNCj4gKwlpZiAocmV0KQ0KPiAgCQlyZXR1cm4gcmV0Ow0KPiANCj4g IAlpZiAoKGludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkgJiYgZml4ZWRfbW9kZSkgfHwNCj4gLS0N Cj4gMi4zNC4xDQoNCg==