From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 03/14] drm/i915: Enable PCH FIFO underruns later on ILK/SNB/IVB Date: Fri, 30 Oct 2015 12:06:09 +0200 Message-ID: <878u6kr7qm.fsf@intel.com> References: <1446146763-31821-1-git-send-email-ville.syrjala@linux.intel.com> <1446146763-31821-4-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 E589B6E332 for ; Fri, 30 Oct 2015 03:02:36 -0700 (PDT) In-Reply-To: <1446146763-31821-4-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 List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyOSBPY3QgMjAxNSwgdmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20gd3JvdGU6 Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4K Pgo+IFdlIGdldCBzcHVyaW91cyBQQ0ggRklGTyB1bmRlcnJ1bnMgaWYgd2UgZW5hYmxlIHRoZSBy ZXBvcnRpbmcgdG9vIHNvb24KPiBhZnRlciBlbmFibGluZyB0aGUgY3J0Yy4gTW92ZSBpdCB0byBi ZSB0aGUgbGFzdCBzdGVwLCBhZnRlciB0aGUgZW5jb2Rlcgo+IGVuYWJsZS4gQWRkaXRpb25hbGx5 IHdlIG5lZWQgYW4gZXh0cmEgdmJsYW5rIHdhaXQsIG90aGVyd2lzZSB3ZSBzdGlsbAo+IGdldCB0 aGUgdW5kZXJydW5zLiBQcmVzdW1hYmx5IHRoZSBwaXBlL2ZkaSBpc24ndCB5ZXQgZnVsbHkgdXAg YW5kIHJ1bm5pbmcKPiBvdGhlcndpc2UuCj4KPiBGb3Igc3ltbWV0cnksIGRpc2FibGUgdGhlIFBD SCB1bmRlcnJ1biByZXBvcnRpbmcgYXMgdGhlIGZpcnN0IHRoaW5nLAo+IGp1c3QgYmVmb3JlIGVu Y29kZXIgZGlzYWJsZSwgd2hlbiBzaHV0dGluZyBkb3duIHRoZSBjcnRjLgo+Cj4gU2lnbmVkLW9m Zi1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiAt LS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMTMgKysrKysrKysr LS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgOSBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQo+ Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IGluZGV4IDk5ZmIzM2YuLmQ1Y2I4 OTkgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4gQEAgLTQ4NzQsNyAr NDg3NCw2IEBAIHN0YXRpYyB2b2lkIGlyb25sYWtlX2NydGNfZW5hYmxlKHN0cnVjdCBkcm1fY3J0 YyAqY3J0YykKPiAgCWludGVsX2NydGMtPmFjdGl2ZSA9IHRydWU7Cj4gIAo+ICAJaW50ZWxfc2V0 X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJpdiwgcGlwZSwgdHJ1ZSk7Cj4gLQlp bnRlbF9zZXRfcGNoX2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRldl9wcml2LCBwaXBlLCB0cnVl KTsKPiAgCj4gIAlmb3JfZWFjaF9lbmNvZGVyX29uX2NydGMoZGV2LCBjcnRjLCBlbmNvZGVyKQo+ ICAJCWlmIChlbmNvZGVyLT5wcmVfZW5hYmxlKQo+IEBAIC00OTEyLDYgKzQ5MTEsMTIgQEAgc3Rh dGljIHZvaWQgaXJvbmxha2VfY3J0Y19lbmFibGUoc3RydWN0IGRybV9jcnRjICpjcnRjKQo+ICAK PiAgCWlmIChIQVNfUENIX0NQVChkZXYpKQo+ICAJCWNwdF92ZXJpZnlfbW9kZXNldChkZXYsIGlu dGVsX2NydGMtPnBpcGUpOwo+ICsKPiArCWlmIChpbnRlbF9jcnRjLT5jb25maWctPmhhc19wY2hf ZW5jb2Rlcikgewo+ICsJCS8qIE11c3Qgd2FpdCBmb3IgdmJsYW5rIHRvIGF2b2lkIHNwdXJpb3Vz IFBDSCBGSUZPIHVuZGVycnVucyAqLwo+ICsJCWludGVsX3dhaXRfZm9yX3ZibGFuayhkZXYsIHBp cGUpOwo+ICsJCWludGVsX3NldF9wY2hfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYs IHBpcGUsIHRydWUpOwoKTml0cGljaywgbW92aW5nIHRoaXMgd2l0aGluIHRoZSBpZiAoaGFzX3Bj aF9lbmNvZGVyKSBpc24ndCBkb2N1bWVudGVkIGluCnRoZSBjb21taXQgbWVzc2FnZS4gRG9lcyB0 aGF0IGNoYW5nZSBoYXZlIGFuIGltcGFjdD8KCkJSLApKYW5pLgoKPiArCX0KPiAgfQo+ICAKPiAg LyogSVBTIG9ubHkgZXhpc3RzIG9uIFVMVCBtYWNoaW5lcyBhbmQgaXMgdGllZCB0byBwaXBlIEEu ICovCj4gQEAgLTUwNDAsMTUgKzUwNDUsMTUgQEAgc3RhdGljIHZvaWQgaXJvbmxha2VfY3J0Y19k aXNhYmxlKHN0cnVjdCBkcm1fY3J0YyAqY3J0YykKPiAgCWludCBwaXBlID0gaW50ZWxfY3J0Yy0+ cGlwZTsKPiAgCXUzMiByZWcsIHRlbXA7Cj4gIAo+ICsJaWYgKGludGVsX2NydGMtPmNvbmZpZy0+ aGFzX3BjaF9lbmNvZGVyKQo+ICsJCWludGVsX3NldF9wY2hfZmlmb191bmRlcnJ1bl9yZXBvcnRp bmcoZGV2X3ByaXYsIHBpcGUsIGZhbHNlKTsKPiArCj4gIAlmb3JfZWFjaF9lbmNvZGVyX29uX2Ny dGMoZGV2LCBjcnRjLCBlbmNvZGVyKQo+ICAJCWVuY29kZXItPmRpc2FibGUoZW5jb2Rlcik7Cj4g IAo+ICAJZHJtX2NydGNfdmJsYW5rX29mZihjcnRjKTsKPiAgCWFzc2VydF92YmxhbmtfZGlzYWJs ZWQoY3J0Yyk7Cj4gIAo+IC0JaWYgKGludGVsX2NydGMtPmNvbmZpZy0+aGFzX3BjaF9lbmNvZGVy KQo+IC0JCWludGVsX3NldF9wY2hfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYsIHBp cGUsIGZhbHNlKTsKPiAtCj4gIAlpbnRlbF9kaXNhYmxlX3BpcGUoaW50ZWxfY3J0Yyk7Cj4gIAo+ ICAJaXJvbmxha2VfcGZpdF9kaXNhYmxlKGludGVsX2NydGMsIGZhbHNlKTsKCi0tIApKYW5pIE5p a3VsYSwgSW50ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK