From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Conselvan De Oliveira, Ander" Subject: Re: [PATCH] drm/i915: Fall back to zero vswing/preemph if the sink doesn't like the last good values Date: Mon, 2 Nov 2015 13:21:23 +0000 Message-ID: <1446470490.3555.18.camel@intel.com> References: <1446223656-27792-1-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 7FA106E558 for ; Mon, 2 Nov 2015 05:21:28 -0800 (PST) In-Reply-To: <1446223656-27792-1-git-send-email-ville.syrjala@linux.intel.com> Content-Language: en-US Content-ID: <1336B7C5307CBE498FDBB3AD11C1E5C6@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.syrjala@linux.intel.com" , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE1LTEwLTMwIGF0IDE4OjQ3ICswMjAwLCB2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbSB3cm90ZToNCj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxp bnV4LmludGVsLmNvbT4NCj4gDQo+IE15IExlbm92byBTVE0gU1REUDMxMDAgbWluaURQLT5WR0Eg ZG9uZ2xlIGRvZXNuJ3Qgc2VlbSB0byBsaWtlIGl0IHdoZW4NCj4gd2UgdHJ5IHRvIHN0YXJ0IGxp bmsgdHJhaW5pbmcgd2l0aCBub24temVybyB2c3dpbmcvcHJlZW1waGFzaXMuIFNvIHdoZW4NCj4g dGhlIGluaXRpYWwgbGluayB0cmFpbmluZyBEUENEIHdyaXRlIGZhaWxzLCByZXRyeSBpdCB3aXRo IHplcm8gdmFsdWVzLg0KDQpEb2VzIHRoZSBkZXZpY2UgTkFDS3MgdGhlIHJlcXVlc3Q/DQoNCkFu ZGVyDQoNCj4gDQo+IEZpeGVzIGEgYnVuY2ggb2YgZXJyb3JzIGxpa2Ugc286DQo+IFtkcm06aW50 ZWxfZHBfc3RhcnRfbGlua190cmFpbiBbaTkxNV1dICpFUlJPUiogZmFpbGVkIHRvIGVuYWJsZSBs aW5rIHRyYWluaW5nDQo+IA0KPiBDYzogTWlrYSBLYWhvbGEgPG1pa2Eua2Fob2xhQGludGVsLmNv bT4NCj4gQ2M6IFNpdmFrdW1hciBUaHVsYXNpbWFuaSA8c2l2YWt1bWFyLnRodWxhc2ltYW5pQGlu dGVsLmNvbT4NCj4gQ2M6IEFuZGVyIENvbnNlbHZhbiBkZSBPbGl2ZWlyYSA8YW5kZXIuY29uc2Vs dmFuLmRlLm9saXZlaXJhQGludGVsLmNvbT4NCj4gRml4ZXM6IDVmYTgzNmE5ZDg1OSAoImRybS9p OTE1OiBEUCBsaW5rIHRyYWluaW5nIG9wdGltaXphdGlvbiIpDQo+IFNpZ25lZC1vZmYtYnk6IFZp bGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+DQo+IC0tLQ0KPiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDcgKysrKysrKw0KPiAgMSBmaWxlIGNo YW5nZWQsIDcgaW5zZXJ0aW9ucygrKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jDQo+IGlu ZGV4IGJhNGNiZjUuLjk1MjlhNmUgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMNCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYw0KPiBA QCAtMzc1MCwxMCArMzc1MCwxNyBAQCBpbnRlbF9kcF9saW5rX3RyYWluaW5nX2Nsb2NrX3JlY292 ZXJ5KHN0cnVjdCBpbnRlbF9kcA0KPiAqaW50ZWxfZHApDQo+ICANCj4gIAlEUCB8PSBEUF9QT1JU X0VOOw0KPiAgDQo+ICthZ2FpbjoNCj4gIAkvKiBjbG9jayByZWNvdmVyeSAqLw0KPiAgCWlmICgh aW50ZWxfZHBfcmVzZXRfbGlua190cmFpbihpbnRlbF9kcCwgJkRQLA0KPiAgCQkJCSAgICAgICBE UF9UUkFJTklOR19QQVRURVJOXzEgfA0KPiAgCQkJCSAgICAgICBEUF9MSU5LX1NDUkFNQkxJTkdf RElTQUJMRSkpIHsNCj4gKwkJaWYgKGludGVsX2RwLT50cmFpbl9zZXRfdmFsaWQpIHsNCj4gKwkJ CURSTV9ERUJVR19LTVMoIlNpbmsgcmVqZWN0ZWQgbGluayB0cmFpbmluZyByZXF1ZXN0LA0KPiB0 cnlpbmcgYWdhaW4gd2l0aCB6ZXJvIHZhbHVlc1xuIik7DQo+ICsJCQlpbnRlbF9kcC0+dHJhaW5f c2V0X3ZhbGlkID0gZmFsc2U7DQo+ICsJCQlnb3RvIGFnYWluOw0KPiArCQl9DQo+ICsNCj4gIAkJ RFJNX0VSUk9SKCJmYWlsZWQgdG8gZW5hYmxlIGxpbmsgdHJhaW5pbmdcbiIpOw0KPiAgCQlyZXR1 cm47DQo+ICAJfQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KSW50ZWwgRmlubGFuZCBPeQpSZWdpc3RlcmVkIEFkZHJl c3M6IFBMIDI4MSwgMDAxODEgSGVsc2lua2kgCkJ1c2luZXNzIElkZW50aXR5IENvZGU6IDAzNTc2 MDYgLSA0IApEb21pY2lsZWQgaW4gSGVsc2lua2kgCgpUaGlzIGUtbWFpbCBhbmQgYW55IGF0dGFj aG1lbnRzIG1heSBjb250YWluIGNvbmZpZGVudGlhbCBtYXRlcmlhbCBmb3IKdGhlIHNvbGUgdXNl IG9mIHRoZSBpbnRlbmRlZCByZWNpcGllbnQocykuIEFueSByZXZpZXcgb3IgZGlzdHJpYnV0aW9u CmJ5IG90aGVycyBpcyBzdHJpY3RseSBwcm9oaWJpdGVkLiBJZiB5b3UgYXJlIG5vdCB0aGUgaW50 ZW5kZWQKcmVjaXBpZW50LCBwbGVhc2UgY29udGFjdCB0aGUgc2VuZGVyIGFuZCBkZWxldGUgYWxs IGNvcGllcy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK