From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH 03/14] drm/i915: Enable PCH FIFO underruns later on ILK/SNB/IVB Date: Thu, 29 Oct 2015 12:34:00 -0700 Message-ID: <563274A8.9060804@virtuousgeek.org> 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 mail-pa0-f52.google.com (mail-pa0-f52.google.com [209.85.220.52]) by gabe.freedesktop.org (Postfix) with ESMTPS id B3E416EC3F for ; Thu, 29 Oct 2015 12:33:25 -0700 (PDT) Received: by pasz6 with SMTP id z6so49166607pas.2 for ; Thu, 29 Oct 2015 12:33:25 -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 T24gMTAvMjkvMjAxNSAxMjoyNSBQTSwgdmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20gd3Jv dGU6Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNv bT4KPiAKPiBXZSBnZXQgc3B1cmlvdXMgUENIIEZJRk8gdW5kZXJydW5zIGlmIHdlIGVuYWJsZSB0 aGUgcmVwb3J0aW5nIHRvbyBzb29uCj4gYWZ0ZXIgZW5hYmxpbmcgdGhlIGNydGMuIE1vdmUgaXQg dG8gYmUgdGhlIGxhc3Qgc3RlcCwgYWZ0ZXIgdGhlIGVuY29kZXIKPiBlbmFibGUuIEFkZGl0aW9u YWxseSB3ZSBuZWVkIGFuIGV4dHJhIHZibGFuayB3YWl0LCBvdGhlcndpc2Ugd2Ugc3RpbGwKPiBn ZXQgdGhlIHVuZGVycnVucy4gUHJlc3VtYWJseSB0aGUgcGlwZS9mZGkgaXNuJ3QgeWV0IGZ1bGx5 IHVwIGFuZCBydW5uaW5nCj4gb3RoZXJ3aXNlLgo+IAo+IEZvciBzeW1tZXRyeSwgZGlzYWJsZSB0 aGUgUENIIHVuZGVycnVuIHJlcG9ydGluZyBhcyB0aGUgZmlyc3QgdGhpbmcsCj4ganVzdCBiZWZv cmUgZW5jb2RlciBkaXNhYmxlLCB3aGVuIHNodXR0aW5nIGRvd24gdGhlIGNydGMuCj4gCj4gU2ln bmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNv bT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jIHwgMTMgKysr KysrKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgOSBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9u cygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5 LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiBpbmRleCA5OWZiMzNm Li5kNWNiODk5IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3Bs YXkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IEBAIC00 ODc0LDcgKzQ4NzQsNiBAQCBzdGF0aWMgdm9pZCBpcm9ubGFrZV9jcnRjX2VuYWJsZShzdHJ1Y3Qg ZHJtX2NydGMgKmNydGMpCj4gIAlpbnRlbF9jcnRjLT5hY3RpdmUgPSB0cnVlOwo+ICAKPiAgCWlu dGVsX3NldF9jcHVfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYsIHBpcGUsIHRydWUp Owo+IC0JaW50ZWxfc2V0X3BjaF9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJpdiwgcGlw ZSwgdHJ1ZSk7Cj4gIAo+ICAJZm9yX2VhY2hfZW5jb2Rlcl9vbl9jcnRjKGRldiwgY3J0YywgZW5j b2RlcikKPiAgCQlpZiAoZW5jb2Rlci0+cHJlX2VuYWJsZSkKPiBAQCAtNDkxMiw2ICs0OTExLDEy IEBAIHN0YXRpYyB2b2lkIGlyb25sYWtlX2NydGNfZW5hYmxlKHN0cnVjdCBkcm1fY3J0YyAqY3J0 YykKPiAgCj4gIAlpZiAoSEFTX1BDSF9DUFQoZGV2KSkKPiAgCQljcHRfdmVyaWZ5X21vZGVzZXQo ZGV2LCBpbnRlbF9jcnRjLT5waXBlKTsKPiArCj4gKwlpZiAoaW50ZWxfY3J0Yy0+Y29uZmlnLT5o YXNfcGNoX2VuY29kZXIpIHsKPiArCQkvKiBNdXN0IHdhaXQgZm9yIHZibGFuayB0byBhdm9pZCBz cHVyaW91cyBQQ0ggRklGTyB1bmRlcnJ1bnMgKi8KPiArCQlpbnRlbF93YWl0X2Zvcl92Ymxhbmso ZGV2LCBwaXBlKTsKPiArCQlpbnRlbF9zZXRfcGNoX2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRl dl9wcml2LCBwaXBlLCB0cnVlKTsKPiArCX0KPiAgfQo+ICAKPiAgLyogSVBTIG9ubHkgZXhpc3Rz IG9uIFVMVCBtYWNoaW5lcyBhbmQgaXMgdGllZCB0byBwaXBlIEEuICovCj4gQEAgLTUwNDAsMTUg KzUwNDUsMTUgQEAgc3RhdGljIHZvaWQgaXJvbmxha2VfY3J0Y19kaXNhYmxlKHN0cnVjdCBkcm1f Y3J0YyAqY3J0YykKPiAgCWludCBwaXBlID0gaW50ZWxfY3J0Yy0+cGlwZTsKPiAgCXUzMiByZWcs IHRlbXA7Cj4gIAo+ICsJaWYgKGludGVsX2NydGMtPmNvbmZpZy0+aGFzX3BjaF9lbmNvZGVyKQo+ ICsJCWludGVsX3NldF9wY2hfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYsIHBpcGUs IGZhbHNlKTsKPiArCj4gIAlmb3JfZWFjaF9lbmNvZGVyX29uX2NydGMoZGV2LCBjcnRjLCBlbmNv ZGVyKQo+ICAJCWVuY29kZXItPmRpc2FibGUoZW5jb2Rlcik7Cj4gIAo+ICAJZHJtX2NydGNfdmJs YW5rX29mZihjcnRjKTsKPiAgCWFzc2VydF92YmxhbmtfZGlzYWJsZWQoY3J0Yyk7Cj4gIAo+IC0J aWYgKGludGVsX2NydGMtPmNvbmZpZy0+aGFzX3BjaF9lbmNvZGVyKQo+IC0JCWludGVsX3NldF9w Y2hfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYsIHBpcGUsIGZhbHNlKTsKPiAtCj4g IAlpbnRlbF9kaXNhYmxlX3BpcGUoaW50ZWxfY3J0Yyk7Cj4gIAo+ICAJaXJvbmxha2VfcGZpdF9k aXNhYmxlKGludGVsX2NydGMsIGZhbHNlKTsKPiAKClJldmlld2VkLWJ5OiBKZXNzZSBCYXJuZXMg PGpiYXJuZXNAdmlydHVvdXNnZWVrLm9yZz4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK