From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kahola Subject: Re: [PATCH] drm/i915: fix fdi related fifo underruns on hsw Date: Tue, 01 Dec 2015 10:01:55 +0200 Message-ID: <1448956915.2984.6.camel@sorvi> References: <1448705139-12534-1-git-send-email-daniel.vetter@ffwll.ch> Reply-To: mika.kahola@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 AE6F66E224 for ; Tue, 1 Dec 2015 00:02:45 -0800 (PST) In-Reply-To: <1448705139-12534-1-git-send-email-daniel.vetter@ffwll.ch> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: Intel Graphics Development List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCAyMDE1LTExLTI4IGF0IDExOjA1ICswMTAwLCBEYW5pZWwgVmV0dGVyIHdyb3RlOgo+ IFNpbWlsYXIgdG8KPiAKPiBjb21taXQgMzdjYThkNGNjZDk4NjBkZjA3NDdhYTJlYTI4MWEzYzlj NGJmODgyNgo+IEF1dGhvcjogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4Lmlu dGVsLmNvbT4KPiBEYXRlOiAgIEZyaSBPY3QgMzAgMTk6MjA6MjcgMjAxNSArMDIwMAo+IAo+ICAg ICBkcm0vaTkxNTogRW5hYmxlIFBDSCBGSUZPIHVuZGVycnVucyBsYXRlciBvbiBJTEsvU05CL0lW Qgo+IAo+IHdlIGNhbiBvbmx5IGVuYWJsZSBmaWZvIHVuZGVycnVuIHJlcG9ydGluZyB3aGVuIHVz aW5nIHRoZSBmZGkvbHB0Cj4gYWZ0ZXIgZXZlcnl0aGluZyBpcyBzZXQgdXAgYW5kIGFmdGVyIGEg Yml0IG9mIHdhaXRpbmcuIFRoZSB3YWl0aW5nCj4gaXMgcmVxdWlyZWQsIGVuYWJsaW5nIGl0IHJp Z2h0IGFmdGVyIGVuYWJsaW5nIGVuY29kZXJzIHdpbGwgZmlyc3QgdHJpZ2dlcgo+IGFuIHVuZGVy cnVuIG9uIHRoZSBwY2ggYW5kIHRoZW4sIDEgZnJhbWUgbGF0ZXIsIGFuIHVuZGVycnVuIG9uIHRo ZQo+IGNwdS4gVHdvIHZibGFuayB3YWl0cyBhZnRlciBlbmNvZGVyIGVuYWJsaW5nIHNlZW1zIGVu b3VnaCB0byBjdXJiIGl0Lgo+IAo+IEFuZCBzaW1pbGFyIHRvCj4gCj4gQXV0aG9yOiBWaWxsZSBT eXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+IERhdGU6ICAgRnJpIE5v diAyMCAyMjowOToxOCAyMDE1ICswMjAwCj4gCj4gICAgIGRybS9pOTE1OiBTdXBwcmVzcyBzcHVy aW91cyBDUFUgRklGTyB1bmRlcnJ1bnMgb24gSUxLLUlWQgo+IAo+IHdlIGFsc28gbmVlZCB0byBt YWtlIHN1cmUgY3B1IGZpZm8gdW5kZXJydW4gcmVwb3J0aW5nIGlzIGRpc2FibGVkIHdoZW4KPiBl bmFibGluZyB0aGUgZmRpIHJ4L3R4IGFuZCBwY2ggdHJhbnNjb2RlciZwb3J0LiBCdXQgc29tZWhv dyB0aGlzIGlzCj4gb25seSBuZWVkZWQgd2hlbiBlbmFibGluZywgbm90IGFsc28gd2hlbiBkaXNh YmxpbmcuCj4gCj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRl bC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBmZnds bC5jaD4KVGVzdGVkLWJ5OiBNaWthIEthaG9sYSA8bWlrYS5rYWhvbGFAaW50ZWwuY29tPgo+IC0t LQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgfCAxMiArKysrKysrKysr LS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4g Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IGluZGV4IDc3NTRkYjlmYThhNC4u NjIwOTdlOTQ5OTZhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rp c3BsYXkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IEBA IC00OTc5LDcgKzQ5NzksMTEgQEAgc3RhdGljIHZvaWQgaGFzd2VsbF9jcnRjX2VuYWJsZShzdHJ1 Y3QgZHJtX2NydGMgKmNydGMpCj4gIAo+ICAJaW50ZWxfY3J0Yy0+YWN0aXZlID0gdHJ1ZTsKPiAg Cj4gLQlpbnRlbF9zZXRfY3B1X2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRldl9wcml2LCBwaXBl LCB0cnVlKTsKPiArCWlmIChpbnRlbF9jcnRjLT5jb25maWctPmhhc19wY2hfZW5jb2RlcikKPiAr CQlpbnRlbF9zZXRfY3B1X2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRldl9wcml2LCBwaXBlLCBm YWxzZSk7Cj4gKwllbHNlCj4gKwkJaW50ZWxfc2V0X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGlu ZyhkZXZfcHJpdiwgcGlwZSwgdHJ1ZSk7Cj4gKwo+ICAJZm9yX2VhY2hfZW5jb2Rlcl9vbl9jcnRj KGRldiwgY3J0YywgZW5jb2Rlcikgewo+ICAJCWlmIChlbmNvZGVyLT5wcmVfcGxsX2VuYWJsZSkK PiAgCQkJZW5jb2Rlci0+cHJlX3BsbF9lbmFibGUoZW5jb2Rlcik7Cj4gQEAgLTUwMjUsOSArNTAy OSwxMyBAQCBzdGF0aWMgdm9pZCBoYXN3ZWxsX2NydGNfZW5hYmxlKHN0cnVjdCBkcm1fY3J0YyAq Y3J0YykKPiAgCQlpbnRlbF9vcHJlZ2lvbl9ub3RpZnlfZW5jb2RlcihlbmNvZGVyLCB0cnVlKTsK PiAgCX0KPiAgCj4gLQlpZiAoaW50ZWxfY3J0Yy0+Y29uZmlnLT5oYXNfcGNoX2VuY29kZXIpCj4g KwlpZiAoaW50ZWxfY3J0Yy0+Y29uZmlnLT5oYXNfcGNoX2VuY29kZXIpIHsKPiArCQlpbnRlbF93 YWl0X2Zvcl92YmxhbmsoZGV2LCBwaXBlKTsKPiArCQlpbnRlbF93YWl0X2Zvcl92YmxhbmsoZGV2 LCBwaXBlKTsKPiArCQlpbnRlbF9zZXRfY3B1X2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRldl9w cml2LCBwaXBlLCB0cnVlKTsKPiAgCQlpbnRlbF9zZXRfcGNoX2ZpZm9fdW5kZXJydW5fcmVwb3J0 aW5nKGRldl9wcml2LCBUUkFOU0NPREVSX0EsCj4gIAkJCQkJCSAgICAgIHRydWUpOwo+ICsJfQo+ ICAKPiAgCS8qIElmIHdlIGNoYW5nZSB0aGUgcmVsYXRpdmUgb3JkZXIgYmV0d2VlbiBwaXBlL3Bs YW5lcyBlbmFibGluZywgd2UgbmVlZAo+ICAJICogdG8gY2hhbmdlIHRoZSB3b3JrYXJvdW5kLiAq LwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==