From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915: Fall back to zero vswing/preemph if the sink doesn't like the last good values Date: Mon, 02 Nov 2015 10:15:45 +0200 Message-ID: <87bnbcq0jy.fsf@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 mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 7589E6E467 for ; Mon, 2 Nov 2015 00:11:51 -0800 (PST) In-Reply-To: <1446223656-27792-1-git-send-email-ville.syrjala@linux.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 Cc: Ander Conselvan de Oliveira List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAzMCBPY3QgMjAxNSwgdmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20gd3JvdGU6 Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4K Pgo+IE15IExlbm92byBTVE0gU1REUDMxMDAgbWluaURQLT5WR0EgZG9uZ2xlIGRvZXNuJ3Qgc2Vl bSB0byBsaWtlIGl0IHdoZW4KPiB3ZSB0cnkgdG8gc3RhcnQgbGluayB0cmFpbmluZyB3aXRoIG5v bi16ZXJvIHZzd2luZy9wcmVlbXBoYXNpcy4gU28gd2hlbgo+IHRoZSBpbml0aWFsIGxpbmsgdHJh aW5pbmcgRFBDRCB3cml0ZSBmYWlscywgcmV0cnkgaXQgd2l0aCB6ZXJvIHZhbHVlcy4KPgo+IEZp eGVzIGEgYnVuY2ggb2YgZXJyb3JzIGxpa2Ugc286Cj4gW2RybTppbnRlbF9kcF9zdGFydF9saW5r X3RyYWluIFtpOTE1XV0gKkVSUk9SKiBmYWlsZWQgdG8gZW5hYmxlIGxpbmsgdHJhaW5pbmcKPgo+ IENjOiBNaWthIEthaG9sYSA8bWlrYS5rYWhvbGFAaW50ZWwuY29tPgo+IENjOiBTaXZha3VtYXIg VGh1bGFzaW1hbmkgPHNpdmFrdW1hci50aHVsYXNpbWFuaUBpbnRlbC5jb20+Cj4gQ2M6IEFuZGVy IENvbnNlbHZhbiBkZSBPbGl2ZWlyYSA8YW5kZXIuY29uc2VsdmFuLmRlLm9saXZlaXJhQGludGVs LmNvbT4KPiBGaXhlczogNWZhODM2YTlkODU5ICgiZHJtL2k5MTU6IERQIGxpbmsgdHJhaW5pbmcg b3B0aW1pemF0aW9uIikKPiBTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5 cmphbGFAbGludXguaW50ZWwuY29tPgoKUG9zc2libHkKCkJ1Z3ppbGxhOiBodHRwczovL2J1Z3Mu ZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD05MTM5MwoKCj4gLS0tCj4gIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCA3ICsrKysrKysKPiAgMSBmaWxlIGNoYW5nZWQsIDcg aW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gaW5kZXggYmE0Y2JmNS4u OTUyOWE2ZSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+IEBAIC0zNzUwLDEwICszNzUw LDE3IEBAIGludGVsX2RwX2xpbmtfdHJhaW5pbmdfY2xvY2tfcmVjb3Zlcnkoc3RydWN0IGludGVs X2RwICppbnRlbF9kcCkKPiAgCj4gIAlEUCB8PSBEUF9QT1JUX0VOOwo+ICAKPiArYWdhaW46Cj4g IAkvKiBjbG9jayByZWNvdmVyeSAqLwo+ICAJaWYgKCFpbnRlbF9kcF9yZXNldF9saW5rX3RyYWlu KGludGVsX2RwLCAmRFAsCj4gIAkJCQkgICAgICAgRFBfVFJBSU5JTkdfUEFUVEVSTl8xIHwKPiAg CQkJCSAgICAgICBEUF9MSU5LX1NDUkFNQkxJTkdfRElTQUJMRSkpIHsKPiArCQlpZiAoaW50ZWxf ZHAtPnRyYWluX3NldF92YWxpZCkgewo+ICsJCQlEUk1fREVCVUdfS01TKCJTaW5rIHJlamVjdGVk IGxpbmsgdHJhaW5pbmcgcmVxdWVzdCwgdHJ5aW5nIGFnYWluIHdpdGggemVybyB2YWx1ZXNcbiIp Owo+ICsJCQlpbnRlbF9kcC0+dHJhaW5fc2V0X3ZhbGlkID0gZmFsc2U7Cj4gKwkJCWdvdG8gYWdh aW47Cj4gKwkJfQo+ICsKPiAgCQlEUk1fRVJST1IoImZhaWxlZCB0byBlbmFibGUgbGluayB0cmFp bmluZ1xuIik7Cj4gIAkJcmV0dXJuOwo+ICAJfQoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVu IFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=