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spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E73956E15E; Tue, 11 May 2021 12:57:56 +0000 (UTC) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 17C316E138 for ; Tue, 11 May 2021 12:57:55 +0000 (UTC) IronPort-SDR: 7EYcIpe047LqL3wBgfY4pbt2iPHJ6nTVR9XrLm0As0OhbHrpP+EPe0U9UA8/bTSEzDnr75l+my r2BNipWOotTw== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="220392031" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="220392031" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:57:54 -0700 IronPort-SDR: nCgepjE7q8efHL2BKSbHjmwPSWoTzm+8c98kXcoKciD8K/pG7q6/Ujg4PzB982GMkccdORLknN zycvCSxFNTxg== X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="436647395" Received: from ialvarez-mobl1.ger.corp.intel.com (HELO localhost) ([10.249.32.67]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2021 05:57:51 -0700 From: Jani Nikula To: Kai-Heng Feng , Albert Astals Cid In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20210107182026.24848-1-ville.syrjala@linux.intel.com> <3349345.6yYDney9BF@xps> Date: Tue, 11 May 2021 15:57:48 +0300 Message-ID: <874kf9v35f.fsf@intel.com> MIME-Version: 1.0 Subject: Re: [Intel-gfx] [PATCH 1/2] drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure 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: , Cc: Matteo Iervasi , intel-gfx , Emanuele Panigati Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gVHVlLCAxMSBNYXkgMjAyMSwgS2FpLUhlbmcgRmVuZyA8a2FpLmhlbmcuZmVuZ0BjYW5vbmlj YWwuY29tPiB3cm90ZToKPiBPbiBUdWUsIE1heSAxMSwgMjAyMSBhdCAyOjA2IEFNIEFsYmVydCBB c3RhbHMgQ2lkIDxhYWNpZEBrZGUub3JnPiB3cm90ZToKPj4KPj4gWWVzLCBJIGFsc28gaGF2ZSB0 aGUgc2FtZS4KPj4KPj4gSSBnaXQgYmlzZWN0ZWQgdGhhdCBhbmQgZm91bmQgdGhpcyB0byBiZSB0 aGUgY2F1c2UsIGkgc3RhcnRlZCBhIG5ldyBlbWFpbCB0aHJlYWQgYmVjYXVzZSBpIGNvdWxkbid0 IGZpbmQgdGhpcyBlbWFpbCBeX14KPgo+IFNob3VsZCBiZSBmaXhlZCBieQo+IGh0dHBzOi8vY2dp dC5mcmVlZGVza3RvcC5vcmcvZHJtLXRpcC9jb21taXQvP2lkPWFjY2E3NzYyZWI3MWJjMDVhOGYy OGQyOTMyMGQxOTMxNTAwNTFmNzkKCkkndmUgcGlja2VkIHVwIGFjY2E3NzYyZWI3MSAoImRybS9p OTE1L2RwOiBVc2Ugc2xvdyBhbmQgd2lkZSBsaW5rCnRyYWluaW5nIGZvciBldmVyeXRoaW5nIikg dG8gZHJtLWludGVsLWZpeGVzLCBhbmQgaXQgc2hvdWxkIGZpbmQgaXRzZWxmCmluIHY1LjEzLXJj MiBhbmQgc3Vic2VxdWVudGx5IHY1LjEyIHN0YWJsZSBpbiB0aGUgY29taW5nIHdlZWtzLgoKQlIs CkphbmkuCgoKPgo+IEthaS1IZW5nCj4KPj4KPj4gQ2hlZXJzLAo+PiAgIEFsYmVydAo+Pgo+PiBF bCBkaWxsdW5zLCAxMCBkZSBtYWlnIGRlIDIwMjEsIGEgbGVzIDEwOjA3OjMzIChDRVNUKSwgRW1h bnVlbGUgUGFuaWdhdGkgdmEgZXNjcml1cmU6Cj4+ID4gSGksCj4+ID4gICBvbiBteSBEZWxsIFhQ UyAxNSA5NTcwIGxhcHRvcCBJIG1pZ2h0IGhhdmUgYSByZWdyZXNzaW9uIHdpdGggQXJjaCBMaW51 eAo+PiA+IChrZXJuZWwgNS4xMi4yLWFyY2gxLTE6IGR1cmluZyBib290IHRoZSBsYXB0b3AgbW9u aXRvciBnb2VzIGJsYWNrIHdoaWxlCj4+ID4gZXh0ZXJuYWwgbW9uaXRvcnMgc3RpbGwgd29ya3Mu Li4KPj4gPgo+PiA+Cj4+ID4gUGFuaWNoCj4+ID4KPj4gPgo+PiA+IElsIGdpb3JubyBsdW4gMTEg Z2VuIDIwMjEgYWxsZSBvcmUgMTk6MjggVmlsbGUgU3lyasOkbMOkIDwKPj4gPiB2aWxsZS5zeXJq YWxhQGxpbnV4LmludGVsLmNvbT4gaGEgc2NyaXR0bzoKPj4gPgo+PiA+ID4gT24gVGh1LCBKYW4g MDcsIDIwMjEgYXQgMDg6MjA6MjVQTSArMDIwMCwgVmlsbGUgU3lyamFsYSB3cm90ZToKPj4gPiA+ ID4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4K Pj4gPiA+ID4KPj4gPiA+ID4gU29tZSBuZXcgZURQIHBhbmVscyBkb24ndCBsaWtlIHRvIG9wZXJh dGUgYXQgdGhlIG1heCBwYXJhbWV0ZXJzLCBhbmQKPj4gPiA+ID4gaW5zdGVhZCB3ZSBuZWVkIHRv IGdvIGZvciBhbiBvcHRpbWFsIGNvbmZpdWdyYXRpb24uIFRoYXQgdW5mb3J0dW5hdGVseQo+PiA+ ID4gPiBkb2Vzbid0IHdvcmsgd2l0aCBvbGRlciBlRFAgcGFuZWxzIHdoaWNoIGFyZSBnZW5lcmFs bHkgb25seSBndWFyYW50ZWVkCj4+ID4gPiA+IHRvIHdvcmsgYXQgdGhlIG1heCBwYXJhbWV0ZXJz Lgo+PiA+ID4gPgo+PiA+ID4gPiBUbyBzb2x2ZSB0aGVzZSB0d28gY29uZmxpY3RpbmcgcmVxdWly ZW1lbnRzIGxldCdzIHN0YXJ0IHdpdGggdGhlIG9wdGltYWwKPj4gPiA+ID4gc2V0dXAsIGFuZCBp ZiB0aGF0IGZhaWxzIHdlIHN0YXJ0IGFnYWluIHdpdGggdGhlIG1heCBwYXJhbWV0ZXJzLiBUaGUK Pj4gPiA+ID4gZG93bnNpZGUgaXMgcHJvYmFibHkgYW4gZXh0cmEgbW9kZXNldCB3aGVuIHdlIHN3 aXRjaCBzdHJhdGVnaWVzIGJ1dAo+PiA+ID4gPiBJIGRvbid0IHNlZSBhIGdvb2Qgd2F5IHRvIGF2 b2lkIHRoYXQuCj4+ID4gPiA+Cj4+ID4gPiA+IEZvciBhIGJpdCBvZiBoaXN0b3J5IHdlIGZpcnN0 IHRyaWVkIHRvIGdvIGZvciB0aGUgZmFzdCtuYXJyb3cgaW4KPj4gPiA+ID4gY29tbWl0IDc3Njlk YjU4ODM4NCAoImRybS9pOTE1L2RwOiBvcHRpbWl6ZSBlRFAgMS40KyBsaW5rIGNvbmZpZwo+PiA+ ID4gPiBmYXN0IGFuZCBuYXJyb3ciKS4gYnV0IHRoYXQgaGFkIHRvIGJlIHJldmVydGVkIGR1ZSB0 byByZWdyZXNzaW9uCj4+ID4gPiA+IG9uIG9sZGVyIHBhbmVscyBpbiBjb21taXQgZjExY2IxYzE5 YWQwICgiZHJtL2k5MTUvZHA6IHJldmVydCBiYWNrCj4+ID4gPiA+IHRvIG1heCBsaW5rIHJhdGUg YW5kIGxhbmUgY291bnQgb24gZURQIikuIFNvIG5vdyB3ZSB0cnkgdG8gZ2V0Cj4+ID4gPiA+IHRo ZSBiZXN0IG9mIGJvdGggd29ybGRzIGJ5IHVzaW5nIGJvdGggc3RyYXRlZ2llcy4KPj4gPiA+Cj4+ ID4gPiBQdXNoZWQuIEZpbmdlcnMgY3Jvc3NlZCBmb3Igbm8gcmVncmVzc2lvbnMuLi4KPj4gPiA+ Cj4+ID4gPiAtLQo+PiA+ID4gVmlsbGUgU3lyasOkbMOkCj4+ID4gPiBJbnRlbAo+PiA+ID4KPj4g Pgo+Pgo+Pgo+Pgo+PgoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBHcmFwaGlj cyBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==