From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: i915 I2C failures with recent chips and docking stations Date: Fri, 05 May 2017 12:59:59 +0300 Message-ID: <871ss3pqsg.fsf@intel.com> References: <590C2F83.3090103@minsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 996956E632 for ; Fri, 5 May 2017 09:57:35 +0000 (UTC) In-Reply-To: <590C2F83.3090103@minsoft.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sanford Rockowitz , Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAwNSBNYXkgMjAxNywgU2FuZm9yZCBSb2Nrb3dpdHogPHJvY2tvd2l0ekBtaW5zb2Z0 LmNvbT4gd3JvdGU6Cj4gSSBhbSB0aGUgYXV0aG9yIG9mIGRkY3V0aWwgKHd3dy5kZGN1dGlsLmNv bSksIGEgTGludXggdXRpbGl0eSB0aGF0Cj4gbWFuYWdlcyBtb25pdG9yIHNldHRpbmdzIHVzaW5n IEREQy9DSS4gSSBhbSBzZWVpbmcgYSBwYXR0ZXJuIG9mIHVzZXIKPiBlcnJvciByZXBvcnRzIGlu IHdoaWNoIEkyQyBjb21tdW5pY2F0aW9uIGlzIG5vdCB3b3JraW5nIHdoZW4gYSBzeXN0ZW0KPiB3 aXRoIGEgcmVjZW50IEludGVsIGNoaXAsIHVzaW5nIHRoZSBpOTE1IGRyaXZlciwgaXMgcGx1Z2dl ZCBpbnRvIGEKPiBkb2NraW5nIHN0YXRpb24uICBDb21tdW5pY2F0aW9uIHdvcmtzIHdoZW4gdGhl IHZpZGVvIGNhYmxlIGlzIHBsdWdnZWQKPiBkaXJlY3RseSBpbnRvIHRoZSBsYXB0b3AuICAgVGhl cmUgYWxzbyBzZWVtcyB0byBiZSBhIGNvcnJlbGF0aW9uIHdpdGgKPiB3aGV0aGVyIGEgRGlzcGxh eVBvcnQgY2FibGUgaXMgYmVpbmcgdXNlZCAoaS5lLiB0aGUgSTJDLW92ZXItYXV4IHBhdGggaXMK PiBiZWluZyBleGVjdXRlZCksIHRob3VnaCB0aGlzIGNvcnJlbGF0aW9uIGlzIG5vdCBhcyBjbGVh ci4KPgo+IEknbSBub3Qgc3VyZSBob3cgYmVzdCB0byBnbyBhYm91dCByZXBvcnRpbmcgdGhlc2Ug aXNzdWVzLiAgVGhlIHVzdWFsIGJ1Zwo+IHJlcG9ydGluZyBtZWNoYW5pc20gYXNrcyBmb3IgZGV0 YWlsZWQgaW5mb3JtYXRpb24gYWJvdXQgYSBzcGVjaWZpYwo+IHN5c3RlbSwgd2hpY2ggSSBkb24n dCBoYXZlLiAgIFdoYXQgSSBkbyBoYXZlIGlzIHRoZSBhYmlsaXR5IHRvIHNlZSBhCj4gcGF0dGVy bi4KPgo+IEJlY2F1c2UgSTJDIGNvbW11bmljYXRpb24gaXMgc28gZnJhZ2lsZSAoZGVwZW5kZW5j aWVzIG9uIGhhcmR3YXJlCj4gcXVpcmtzLCBkcml2ZXJzLCBldGMpLCBkZGN1dGlsICh3aGljaCBp cyB3cml0dGVuIGluIEMpIGhhcyBhbiBleHRlbnNpdmUKPiBzdWJzeXN0ZW0gZGV2b3RlZCB0byBy ZW1vdGVseSBkaWFnbm9zaW5nIHVzZXIgY29uZmlndXJhdGlvbnMuICBJdAo+IGFscmVhZHkgcmVw b3J0cyBEREMgKGkuZS4gSTJDKSBjb21tdW5pY2F0aW9uIGVycm9ycywgYW5kIGhhcyBpbnRlcmZh Y2VzCj4gdG8gdWRldiwgbGliZHJtLCBhbmQgeDExIGxpYnJhcmllcy4gIElmIHRoZXJlIGlzIHNv bWUgaTkxNSBzcGVjaWZpYyBjb2RlCj4gSSBjb3VsZCBhZGQgdG8gcmVmaW5lIHRoZSBkaWFnbm9z aXMsIEkgd291bGQgYmUgaGFwcHkgdG8gYWRkIHRoYXQuIAo+IChOb3RlOiBkZGN1dGlsIGlzIGVu dGlyZWx5IGEgdXNlciBzcGFjZSBwcm9ncmFtLCB1c2luZyB0aGUgaTJjLWRldgo+IGludGVyZmFj ZS4pCj4KPiBTdWdnZXN0aW9ucyBvbiBob3cgdG8gcHJvY2VlZCBhcHByZWNpYXRlZC4KClRoZSBp c3N1ZXMgYXJlIHJlbGF0ZWQgdG8gRFAgTVNUIChNdWx0aS1TdHJlYW0gVHJhbnNwb3J0KSB0aGF0 IHRoZSBkb2Nrcwp1c2Ugbm93YWRheXMuIFRoZSBzaW5nbGUgRFAgbGluayBpcyBkaXZpZGVkIHRv IHNldmVyYWwgbG9naWNhbCBsaW5rcyB0bwpzaW5rIGRldmljZXMuIFRoZSBJMkMgY29tbXVuaWNh dGlvbiBuZWVkcyB0byBiZSBlbmNhcHN1bGF0ZWQgdG8gcmVtb3RlCkkyQy1vdmVyLUFVWCByZWFk cyBhbmQgd3JpdGVzLCB3aXRoIHRoZSBsb2dpY2FsIERQIE1TVCBhZGRyZXNzZXMsIHRvCnJvdXRl IHRoZW0gdG8gdGhlIGNvcnJlY3Qgc2lua3MuIEluIGtlcm5lbCwgdGhpcyBpcyBoYW5kbGVkIGJ5 IHRoZSBNU1QKdG9wb2xvZ3kgbWFuYWdlci4KCkluc3RlYWQgb2YgdXNpbmcgdGhlIEkyQyBkZXZp Y2UgZGlyZWN0bHkgZm9yLCBzYXksIGNhcmQwLURQLTEgb3IKRFBEREMtQSwgeW91IG5lZWQgdG8g YmUgdXNpbmcgdGhlIGR5bmFtaWNhbGx5IGNyZWF0ZWQgYW5kIHJlbW92ZWQgRFAgTVNUCkkyQyBk ZXZpY2VzIHRoYXQgd3JhcCB0aGUgY29tbXVuaWNhdGlvbnMgdG8gcmVtb3RlIEkyQy1vdmVyLUFV WC4gRnJhbmtseQpJIGFtIG5vdCBzdXJlIGlmIHRoZSBuYW1pbmcgb3IgcGFyZW50L2NoaWxkIHJl bGF0aW9uc2hpcHMgb2YgdGhlIGRldmljZXMKYXJlIHF1aXRlIHJpZ2h0IChiYXNlZCBvbiBsb29r aW5nIGF0IHRoZSBjb2RlKSwgYnV0IHlvdSBzaG91bGQgZmluZCB0aGUKc3lzZnMgbmFtZSBhdHRy aWJ1dGUgd2lsbCBiZSBEUE1TVC4gSSdtIGFsc28gbm90IHN1cmUgaG93IHlvdSBjYW4KYXNzb2Np YXRlIHRob3NlIHdpdGggdGhlIHBoeXNpY2FsIGRldmljZXMgeW91IGhhdmUuCgpJZiB5b3UgaGF2 ZSBhbiBvcHRpb24gdG8gdGVsbCB5b3VyIHRvb2wgd2hpY2ggSTJDIGRldmljZSB0byB1c2UsIHRo YXQKc2hvdWxkIGdldCB5b3Ugc3RhcnRlZCBhbmQgZGVidWdnaW5nLiBJZiB0aGVyZSBhcmUgaXNz dWVzIHdpdGggdGhhdCwKcGxlYXNlIGxldCB1cyBrbm93LgoKSW4gdGhlIGxvbmcgcnVuLCB3ZSBz aG91bGQgcHJvYmFibHkgZG8gc29tZXRoaW5nIHRvIG1ha2UgdGhlIGRpc2NvdmVyeQpvZiB0aGUg RFAgTVNUIEkyQyBkZXZpY2VzIGVhc2llciwgd2l0aCBuYW1pbmcgYW5kL29yIGJldHRlciBwYXJl bnQvY2hpbGQKcmVsYXRpb25zaGlwcyBvZiB0aGUgZGV2aWNlcy4gSXQncyBqdXN0IHRoYXQgdGhl IHVzZXJzcGFjZSBJMkMgaW50ZXJmYWNlCndhcyBwcm9iYWJseSBwcmV0dHkgZmFyIGRvd24gb24g dGhlIGxpc3Qgb2YgcHJpb3JpdGllcyB3aGVuIHdyaXRpbmcgRFAKTVNULgoKCkJSLApKYW5pLgoK Ci0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1h aWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==