From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH v2] drm/i915: Disable FDI RX before DDI_BUF_CTL Date: Fri, 1 Apr 2016 23:01:06 +0300 Message-ID: <20160401200106.GC4329@intel.com> References: <1449586075-7611-1-git-send-email-ville.syrjala@linux.intel.com> <1456841783-4779-1-git-send-email-ville.syrjala@linux.intel.com> <1458767674.2189.55.camel@intel.com> <20160323215731.GA4329@intel.com> <1458773900.2189.58.camel@intel.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 ESMTP id 8D4716ED6A for ; Fri, 1 Apr 2016 20:01:10 +0000 (UTC) Content-Disposition: inline In-Reply-To: <1458773900.2189.58.camel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Zanoni, Paulo R" Cc: "intel-gfx@lists.freedesktop.org" , "Runyan, Arthur J" List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBNYXIgMjMsIDIwMTYgYXQgMTA6NTg6MjFQTSArMDAwMCwgWmFub25pLCBQYXVsbyBS IHdyb3RlOgo+IEVtIFF1YSwgMjAxNi0wMy0yMyDDoHMgMjM6NTcgKzAyMDAsIFZpbGxlIFN5cmrD pGzDpCBlc2NyZXZldToKPiA+IE9uIFdlZCwgTWFyIDIzLCAyMDE2IGF0IDA5OjE0OjM0UE0gKzAw MDAsIFphbm9uaSwgUGF1bG8gUiB3cm90ZToKPiA+ID4gCj4gPiA+IEVtIFRlciwgMjAxNi0wMy0w MSDDoHMgMTY6MTYgKzAyMDAsIHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tCj4gPiA+IGVz Y3JldmV1Ogo+ID4gPiA+IAo+ID4gPiA+IEZyb206IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3ly amFsYUBsaW51eC5pbnRlbC5jb20+Cj4gPiA+ID4gCj4gPiA+ID4gQnNwZWMgaXMgY29uZnVzZWQg dy5yLnQuIHRoZSBIU1cvQkRXIEZESSBkaXNhYmxlIHNlcXVlbmNlLiBJdAo+ID4gPiA+IGxpc3Rz Cj4gPiA+ID4gRkRJIFJYIGRpc2FibGUgYm90aCBhcyBzdGVwIDEzIGFuZCBzdGVwIDE4IGluIHRo ZSBzZXF1ZW5jZS4gQnV0IEkKPiA+ID4gPiBkdWcKPiA+ID4gPiB1cCBhbiBvbGQgQlVOIG1haWwg ZnJvbSBBcnQgdGhhdCBtb3ZlZCB0aGUgRkRJIFJYIGRpc2FibGUgdG8KPiA+ID4gPiBoYXBwZW4K PiA+ID4gPiBiZWZvcmUgRERJX0JVRl9DVEwgZGlzYWJsZS4gVGhhdCBCVU4gZGlkIG5vdCByZW51 bWJlciB0aGUgc3RlcHMKPiA+ID4gPiBhbmQKPiA+ID4gPiBqdXN0Cj4gPiA+ID4gYWRkZWQgYSBu b3RlOgo+ID4gPiA+ICJXb3JrYXJvdW5kOiBEaXNhYmxlIFBDSCBGREkgUmVjZWl2ZXIgYmVmb3Jl IGRpc2FibGluZwo+ID4gPiA+IERESV9CVUZfQ1RMLiIKPiA+ID4gPiAKPiA+ID4gPiBUaGUgQlVO IGRlc2NyaWJlZCB0aGUgc3ltcHRvbXMgb2YgdGhlIGZpeGVkIGlzc3VlIGFzOgo+ID4gPiA+ICJQ Q0ggZGlzcGxheSB1bmRlcmZsb3cgYW5kIGEgYmxhY2sgc2NyZWVuIG9uIHRoZSBhbmFsb2cgQ1JU IHBvcnQKPiA+ID4gPiB0aGF0Cj4gPiA+ID4gaGFwcGVuZWQgYWZ0ZXIgYSBGREkgcmUtdHJhaW4i Cj4gPiA+ID4gCj4gPiA+ID4gSSBzdXBwb3NlIGxhdGVyIHNvbWVvbmUgdHJpZWQgdG8gcmVudW1i ZXIgdGhlIHN0ZXBzIHRvIG1hdGNoLCBidXQKPiA+ID4gPiBmb3Jnb3QKPiA+ID4gPiB0byByZW1v dmUgdGhlIEZESSBSWCBkaXNhYmxlIGZyb20gaXRzIG9sZCBwb3NpdGlvbiBpbiB0aGUKPiA+ID4g PiBzZXF1ZW5jZS4KPiA+ID4gPiAKPiA+ID4gPiBUaGV5IGFsc28gZm9yZ290IHRvIHVwZGF0ZSB0 aGUgbm90ZSBkZXNjcmliaW5nIHdoYXQgc2hvdWxkIGJlCj4gPiA+ID4gZG9uZSBpbgo+ID4gPiA+ IGNhc2Ugb2YgYW4gRkRJIHRyYWluaW5nIGZhaWx1cmUuIEN1cnJlbnRseSBpdCBzYXlzOgo+ID4g PiA+ICJUbyByZXRyeSBGREkgdHJhaW5pbmcsIGZvbGxvdyB0aGUgRGlzYWJsZSBTZXF1ZW5jZSBz dGVwcyB0bwo+ID4gPiA+IERpc2FibGUKPiA+ID4gPiBGREksCj4gPiA+ID4gYnV0IHNraXAgdGhl IHN0ZXBzIHJlbGF0ZWQgdG8gY2xvY2tzIGFuZCBQTExzICgxNiwgMTksIGFuZCAyMCksCj4gPiA+ ID4gLi4uIgo+ID4gPiA+IAo+ID4gPiA+IEl0IHNob3VsZCByZWFsbHkgc2F5ICIxNywgMjAsIGFu ZCAyMSIgd2l0aCB0aGUgY3VycmVudCBzZXF1ZW5jZQo+ID4gPiA+IGJlY2F1c2UKPiA+ID4gPiB0 aG9zZSBhcmUgdGhlIHN0ZXBzIHRoYXQgZGVhbCB3aXRoIFBMTHMgYW5kIHdoYXRub3QsIGFmdGVy IHN0ZXAKPiA+ID4gPiAxMwo+ID4gPiA+IGJlY2FtZQo+ID4gPiA+IEZESSBSWCBkaXNhYmxlLiBB bmQgaGFkIHRoZSBzdGVwIDE4IEZESSBSWCBkaXNhYmxlIGJlZW4gcmVtb3ZlZCwKPiA+ID4gPiBh cyBJCj4gPiA+ID4gc3VzcGVjdCBpdCBzaG91bGQgaGF2ZSwgdGhlIG5vdGUgc2hvdWxkIGFjdHVh bGx5IHNheSAiMTcsIDE5LCBhbmQKPiA+ID4gPiAyMCIuCj4gPiA+ID4gCj4gPiA+ID4gU28sIGxl dCdzIG1vdmUgdGhlIEZESSBSWCBkaXNhYmxlIHRvIGhhcHBlbiBiZWZvcmUgRERJX0JVRl9DVEwK PiA+ID4gPiBkaXNhYmxlLAo+ID4gPiA+IGFzIHRoYXQgd291bGQgYXBwZWFyIHRvIGJlIHRoZSBj b3JyZWN0IG9yZGVyIGJhc2VkIG9uIHRoZSBCVU4uCj4gPiA+ID4gCj4gPiA+ID4gTm90ZSB0aGF0 IEFydCBoYXMgc2luY2UgdW5jb25mdXNlZCB0aGUgc3BlYywgYW5kIHNvIHRoaXMgcGF0Y2gKPiA+ ID4gPiBzaG91bGQKPiA+ID4gPiBub3cgbWF0Y2ggdGhlIHN0ZXBzIGxpc3RlZCBpbiB0aGUgc3Bl Yy4KPiA+ID4gVGhlIHNlbnRlbmNlIGFib3ZlIGJhc2ljYWxseSBzYXlzOiAiZm9yZ2V0IGFsbCB0 aGUgcHJldmlvdXMKPiA+ID4gcGFyYWdyYXBocwo+ID4gPiBvZiB0aGlzIGNvbW1pdCBtZXNzYWdl IHNpbmNlIHRoZXkncmUganVzdCBoaXN0b3J5IGFuZCBnbyByZWFkIEJTcGVjCj4gPiA+IHNpbmNl IGl0J3Mgbm93IGNvcnJlY3QiIDopCj4gPiBIbW0sIHllYWggSSBndWVzcyBJIHdhcyBhIGJpdCBs YXp5IGhlcmUuIEkgc3VwcG9zZSByZXdyaXRpbmcgaXQgYSBiaXQKPiA+IHdvdWxkIGJlIHdhcnJh bnRlZC4gTWF5YmUgc29tZXRoaW5nIGxpa2UgdGhpcz8KPiA+IAo+ID4gIkhTVy9CRFcgRkRJIGRp c2FibGUgc2VxdWVuY2Ugd2FzIHJldmlzZWQgc3VjaCB0aGF0IEZESSBSWCBzaG91bGQKPiA+IGJl IGRpc2FibGVkIGFscmVhZHkgYmVmb3JlIGRpc2FibGluZyBERElfQlVGX0NUTC4gTGV0J3MgZG8g dGhhdC4KPiA+IAo+ID4gTm90ZSB0aGF0IHRoZSBudW1iZXJpbmcgb2YgdGhlIEZESSBkaXNhYmxl IHNlcXVlbmNlIHN0ZXBzIGluIEJzcGVjCj4gPiB3YXMgY29uZnVzaW5nIGZvciB0aGUgbG9uZ2Vz dCB0aW1lLiBCYXNpY2FsbHkgdGhlIG51bWJlcmluZyB3YXMgb25seQo+ID4gcGFydGlhbGx5IHVw ZGF0ZWQgdG8gYWNjb3VudCBmb3IgdGhlIG5ldyBzZXF1ZW5jZSwgYW5kIHRodXMgc29tZQo+ID4g cGFydHMgb2YgdGhlIHRleHQgc3RpbGwgcmVmZXJyZWQgdG8gdGhpbmdzIGJ5IHRoZSBvbGQgbnVt YmVycy4KPiA+IEFydCBoYXMgZml4ZWQgdGhhdCB1cCwgYW5kIHRoZSBzZXF1ZW5jZSBpcyBub3cg Y2xlYXIuIgo+ID4gCj4gPiBJIGNvdWxkIHRvc3MgaW4gYSBSZWZlcmVuY2VzOiB0byB0aGlzIG1h aWwgdGhyZWFkIGluIGNhc2Ugc29tZW9uZSBpcwo+ID4gbW9yZSBpbnRlcmVzdGVkIGluIHRoZSBh Y2hlb2xvZ2ljYWwgZGV0YWlscy4KPiA+IAo+ID4gCj4gPiBPbmUgc2xpZ2h0IGNvbmNlcm4gaXMg dGhhdCB0aGUgUFJNcyBhcmVuJ3QgdXB0b2RhdGUuIFRoZSBIU1cgb25lCj4gPiBoYXMgdGhlIEJV TiB3L2Egbm90ZSB3aXRob3V0IHRoZSByZW51bWJlcmluZyBzbyBpdCdzIGFjdHVhbGx5Cj4gPiB0 ZWNobmljYWxseSBjb3JyZWN0LiBUaGUgQkRXIG9uZSBoYXMgdGhlIHJlbnVtYmVyaW5nIHdoaWNo IG1lYW5zCj4gPiBpdCBoYXMgdGhlIGluY29ycmVjdCBub3RlIGFib3V0IHdoaWNoIHN0ZXBzIHRv IHNraXAgdGhlIHJldHJ5aW5nCj4gPiB0aGUgRkRJIHRyYWluaW5nLiBSb2RyaWdvLCBkbyB3ZSBo YXZlIHNvbWUgd2F5IHRvIGdldCB0aGF0IHJlZnJlc2hlZD8KPiAKPiBUaGlzIHdvdWxkIGJlIGFu IGFyZ3VtZW50IGluIGZhdm9yIG9mIGtlZXBpbmcgeW91ciBvbGQgY29tbWl0IG1lc3NhZ2UsCj4g YWN0dWFsbHkgKG9yIHdyaXRpbmcgYSB0aGlyZCB2ZXJzaW9uKS4KPiAKPiBUaGUgUi1CIHN0YW5k cyBib3RoIHdpdGggdGhlIG5ldyBhbmQgdGhlIG9sZCBtZXNzYWdlLCBzbyBJJ2xsIGp1c3QKPiB0 cnVzdCB5b3UnbGwgZGVjaWRlIHdoYXRldmVyIHNlZW1zIGJldHRlciwgZXZlbiBpZiB5b3UgZGVj aWRlIHRvIGNoYW5nZQo+IGFnYWluLCBzbyBmZWVsIGZyZWUgdG8gbWVyZ2UuCgpPSywgc28gaXQn cyBmYWlybHkgY2xlYXIgYnkgbm93IHRoYXQgSSBjYW4ndCBjb21lIHVwIHdpdGggYW55dGhpbmcK Z29vZCBoZXJlLCBzbyBJIGp1c3Qgd2VudCB3aXRoIHRoZSBvcmlnaW5hbCBjb21taXQgdjIgbWVz c2FnZS4KClB1c2hlZCB0byBkaW5xLiBUaGFua3MgZm9yIHRoZSByZXZpZXcuCgo+IAo+ID4gCj4g PiA+IAo+ID4gPiAKPiA+ID4gPiAKPiA+ID4gPiAKPiA+ID4gPiB2MjogQWRkIGEgbm90ZSB0aGF0 IHRoZSBzcGVjIGlzIG5vdyBjb3JyZWN0Cj4gPiA+IFdpdGggb3Igd2l0aG91dCBjaGFuZ2VzOgo+ ID4gPiBSZXZpZXdlZC1ieTogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRlbC5jb20+ Cj4gPiA+IAo+ID4gPiAKPiA+ID4gPiAKPiA+ID4gPiAKPiA+ID4gPiBDYzogUGF1bG8gWmFub25p IDxwcnphbm9uaUBnbWFpbC5jb20+Cj4gPiA+ID4gQ2M6IEFydCBSdW55YW4gPGFydGh1ci5qLnJ1 bnlhbkBpbnRlbC5jb20+Cj4gPiA+ID4gU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOkIDx2 aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+ID4gPiAtLS0KPiA+ID4gPiDCoGRyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jIHwgMTggKysrKysrKysrKysrLS0tLS0tCj4gPiA+ ID4gwqAxIGZpbGUgY2hhbmdlZCwgMTIgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPiA+ ID4gPiAKPiA+ID4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRp LmMKPiA+ID4gPiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RkaS5jCj4gPiA+ID4gaW5k ZXggMjFhOWI4M2YzYmZjLi5mYzRjYTUwZjcxNTkgMTAwNjQ0Cj4gPiA+ID4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPiA+ID4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kZGkuYwo+ID4gPiA+IEBAIC02MjksNiArNjI5LDEwIEBAIHZvaWQgaHN3X2Zk aV9saW5rX3RyYWluKHN0cnVjdCBkcm1fY3J0Ywo+ID4gPiA+ICpjcnRjKQo+ID4gPiA+IMKgCQkJ YnJlYWs7Cj4gPiA+ID4gwqAJCX0KPiA+ID4gPiDCoAo+ID4gPiA+ICsJCXJ4X2N0bF92YWwgJj0g fkZESV9SWF9FTkFCTEU7Cj4gPiA+ID4gKwkJSTkxNV9XUklURShGRElfUlhfQ1RMKFBJUEVfQSks IHJ4X2N0bF92YWwpOwo+ID4gPiA+ICsJCVBPU1RJTkdfUkVBRChGRElfUlhfQ1RMKFBJUEVfQSkp Owo+ID4gPiA+ICsKPiA+ID4gPiDCoAkJdGVtcCA9IEk5MTVfUkVBRChERElfQlVGX0NUTChQT1JU X0UpKTsKPiA+ID4gPiDCoAkJdGVtcCAmPSB+RERJX0JVRl9DVExfRU5BQkxFOwo+ID4gPiA+IMKg CQlJOTE1X1dSSVRFKERESV9CVUZfQ1RMKFBPUlRfRSksIHRlbXApOwo+ID4gPiA+IEBAIC02NDMs MTAgKzY0Nyw2IEBAIHZvaWQgaHN3X2ZkaV9saW5rX3RyYWluKHN0cnVjdCBkcm1fY3J0Ywo+ID4g PiA+ICpjcnRjKQo+ID4gPiA+IMKgCj4gPiA+ID4gwqAJCWludGVsX3dhaXRfZGRpX2J1Zl9pZGxl KGRldl9wcml2LCBQT1JUX0UpOwo+ID4gPiA+IMKgCj4gPiA+ID4gLQkJcnhfY3RsX3ZhbCAmPSB+ RkRJX1JYX0VOQUJMRTsKPiA+ID4gPiAtCQlJOTE1X1dSSVRFKEZESV9SWF9DVEwoUElQRV9BKSwg cnhfY3RsX3ZhbCk7Cj4gPiA+ID4gLQkJUE9TVElOR19SRUFEKEZESV9SWF9DVEwoUElQRV9BKSk7 Cj4gPiA+ID4gLQo+ID4gPiA+IMKgCQkvKiBSZXNldCBGRElfUlhfTUlTQyBwd3JkbiBsYW5lcyAq Lwo+ID4gPiA+IMKgCQl0ZW1wID0gSTkxNV9SRUFEKEZESV9SWF9NSVNDKFBJUEVfQSkpOwo+ID4g PiA+IMKgCQl0ZW1wICY9IH4oRkRJX1JYX1BXUkROX0xBTkUxX01BU0sgfAo+ID4gPiA+IEZESV9S WF9QV1JETl9MQU5FMF9NQVNLKTsKPiA+ID4gPiBAQCAtMzA3OCwxMiArMzA3OCwxOCBAQCB2b2lk IGludGVsX2RkaV9mZGlfZGlzYWJsZShzdHJ1Y3QKPiA+ID4gPiBkcm1fY3J0Ywo+ID4gPiA+ICpj cnRjKQo+ID4gPiA+IMKgCXN0cnVjdCBpbnRlbF9lbmNvZGVyICppbnRlbF9lbmNvZGVyID0KPiA+ ID4gPiBpbnRlbF9kZGlfZ2V0X2NydGNfZW5jb2RlcihjcnRjKTsKPiA+ID4gPiDCoAl1aW50MzJf dCB2YWw7Cj4gPiA+ID4gwqAKPiA+ID4gPiAtCWludGVsX2RkaV9wb3N0X2Rpc2FibGUoaW50ZWxf ZW5jb2Rlcik7Cj4gPiA+ID4gLQo+ID4gPiA+ICsJLyoKPiA+ID4gPiArCcKgKiBCc3BlYyBsaXN0 cyB0aGlzIGFzIGJvdGggc3RlcCAxMyAoYmVmb3JlIERESV9CVUZfQ1RMCj4gPiA+ID4gZGlzYWJs ZSkKPiA+ID4gPiArCcKgKiBhbmQgc3RlcCAxOCAoYWZ0ZXIgY2xlYXJpbmcgUE9SVF9DTEtfU0VM KS4gQmFzZWQgb24gYQo+ID4gPiA+IEJVTiwKPiA+ID4gPiArCcKgKiBzdGVwIDEzIGlzIHRoZSBj b3JyZWN0IHBsYWNlIGZvciBpdC4gU3RlcCAxOCBpcyB3aGVyZQo+ID4gPiA+IGl0Cj4gPiA+ID4g d2FzCj4gPiA+ID4gKwnCoCogb3JpZ2luYWxseSBiZWZvcmUgdGhlIEJVTi4KPiA+ID4gPiArCcKg Ki8KPiA+ID4gPiDCoAl2YWwgPSBJOTE1X1JFQUQoRkRJX1JYX0NUTChQSVBFX0EpKTsKPiA+ID4g PiDCoAl2YWwgJj0gfkZESV9SWF9FTkFCTEU7Cj4gPiA+ID4gwqAJSTkxNV9XUklURShGRElfUlhf Q1RMKFBJUEVfQSksIHZhbCk7Cj4gPiA+ID4gwqAKPiA+ID4gPiArCWludGVsX2RkaV9wb3N0X2Rp c2FibGUoaW50ZWxfZW5jb2Rlcik7Cj4gPiA+ID4gKwo+ID4gPiA+IMKgCXZhbCA9IEk5MTVfUkVB RChGRElfUlhfTUlTQyhQSVBFX0EpKTsKPiA+ID4gPiDCoAl2YWwgJj0gfihGRElfUlhfUFdSRE5f TEFORTFfTUFTSyB8Cj4gPiA+ID4gRkRJX1JYX1BXUkROX0xBTkUwX01BU0spOwo+ID4gPiA+IMKg CXZhbCB8PSBGRElfUlhfUFdSRE5fTEFORTFfVkFMKDIpIHwKPiA+ID4gPiBGRElfUlhfUFdSRE5f TEFORTBfVkFMKDIpOwoKLS0gClZpbGxlIFN5cmrDpGzDpApJbnRlbCBPVEMKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==