From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/2] drm/i915: Try to suppress more spurious PCH underruns on ILK-IVB Date: Fri, 25 May 2018 18:49:41 +0300 Message-ID: <20180525154941.GE23723@intel.com> References: <20180524190406.2973-1-ville.syrjala@linux.intel.com> <152719674237.11749.6128705450321741141@mail.alporthouse.com> <20180525150250.GC23723@intel.com> <87d0xj3gqy.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 50B236E958 for ; Fri, 25 May 2018 15:49:45 +0000 (UTC) Content-Disposition: inline In-Reply-To: <87d0xj3gqy.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBNYXkgMjUsIDIwMTggYXQgMDY6MTk6MTdQTSArMDMwMCwgSmFuaSBOaWt1bGEgd3Jv dGU6Cj4gT24gRnJpLCAyNSBNYXkgMjAxOCwgVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxh QGxpbnV4LmludGVsLmNvbT4gd3JvdGU6Cj4gPiBPbiBUaHUsIE1heSAyNCwgMjAxOCBhdCAxMDox OTowMlBNICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPj4gUXVvdGluZyBWaWxsZSBTeXJq YWxhICgyMDE4LTA1LTI0IDIwOjA0OjA1KQo+ID4+ID4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2 aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+PiA+IAo+ID4+ID4gTXkgSUxLIHNlZW1z IHRvIGdlbmVyYXRlIGEgc3B1cmlvdXMgUENIIHVuZGVycnVuIHdpdGggbW9zdCBpbnRlcmxhY2Vk Cj4gPj4gPiBIRE1JIG1vZGVzLiBBZGQgYSBzZWNvbmQgdmJsYW5rIHdhaXQgdG8gYXZvaWQgaXQu Cj4gPj4gCj4gPj4gRndpdywgYSBzZWNvbmQgdmJsYW5rIGJlY2F1c2Ugb2YgaW50ZXJsYWNpbmcg aXMgdmVyeSBiZWxpZXZhYmxlLgo+IAo+IC9tZSAub08oIGNvdWxkIHdlIHdhaXQgZm9yIHRoZSAy bmQgdmJsYW5rIGJhc2VkIG9uIGludGVybGFjZT8gKQoKV2UgY2VydGFpbmx5IGNvdWxkLiBIb3dl dmVyIGFzIGV4cGxhaW5lZCBiZWxvdyB3ZSBoYXZlIHNlZW4gc29tZQpzaW1pbGFyIGxvb2tpbmcg dW5kZXJydW5zIGluIENJIHdpdGggcHJvZ3Jlc3NpdmUgRFAgYXMgd2VsbCwgYW5kIHNvCkkgY2hv c2UgdG8gdHJ5IHRoZSBzaG90Z3VuIGFwcHJvYWNoIGluIHRoZSBob3BlcyBvZiBoaXR0aW5nIGEg ZmV3Cm1vcmUgYmFybiBkb29ycy4KCj4gCj4gPj4gIAo+ID4+ID4gV2UgaGF2ZSBzZWVuIHNvbWUg c3B1cmlvdXMgUENIIHVuZGVycnVucyBzdGlsbCBpbiBDSSBhcyB3ZWxsLCBzb21lCj4gPj4gPiBv ZiB3aGljaCBzZWVtIHRvIGJlIHByb2dyZXNzaXZlIERQLiBUaGUgbG9ncyBhbHNvIHBvaW50IHRv d2FyZHMgc29tZQo+ID4+ID4gc3B1cmlvdXMgdW5kZXJyaW5zIHdpdGggcHJvZ3Jlc3NpdmUgSERN SSBvbiBTTkIuIFdoaWxlIEkgZG9uJ3QgaGF2ZQo+ID4+ID4gYSBzb2xpZCBleHBsYW5hdGlvbiBm b3IgdGhvc2UgbGV0J3MgdHJ5IHRvIGtpbGwgYWxsIHRoZSBiaXJkcyB3aXRoIG9uZQo+ID4+ID4g c3RvbmUgYW5kIGFsd2F5cyBkbyB0aGUgZG91YmxlIHdhaXQuCj4gPj4gPiAKPiA+PiA+IEJ1emls bGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEwNjM4Nwo+ ID4+ID4gU2lnbmVkLW9mZi1ieTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4 LmludGVsLmNvbT4KPiA+PiBBY2tlZC1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxz b24uY28udWs+YQo+ID4KPiA+IFRoYW5rcy4gUHVzaGVkIHRvIGRpbnEuCj4gPgo+ID4+IAo+ID4+ IE5vIHBvaW50IHdhaXRpbmcgZm9yIGEgdmJsYW5rIHdvcmtlcj8gOykKPiA+Cj4gPiBUaGF0IG1p Z2h0IHRha2UgYSB3aGlsZS4gQWxzbyBJJ20gbm90IHN1cmUgd2UnZCB3YW50IHRvIHVzZSBpdCBo ZXJlCj4gPiBiZWNhdXNlIHdlJ2QgcHJvYmFibHkgd2FudCB1bmRlcnJ1biByZXBvcnRpbmcgdG8g YmUgYWN0aXZlIGJ5IHRoZQo+ID4gdGltZSB3ZSBlbmFibGUgdGhlIHBsYW5lcy4gU28gd2UnZCBl aXRoZXIgaGF2ZSB0byBlbmFibGUgcGxhbmVzIGZyb20KPiA+IHRoZSB3b3JrZXIgYXMgd2VsbCwg b3Igd2UnZCBqdXN0IHNhbXBsZSB0aGUgdmJsYW5rIGNvdW50ZXIgYXQgdGhlCj4gPiBlbmQgb2Yg Y3J0Y19lbmFibGUgYW5kIHdhaXQgZm9yIG4rMiBqdXN0IGJlZm9yZSB3ZSBzdGFydCB0byBlbmFi bGUgdGhlCj4gPiBwbGFuZXMuIE5vdCBzdXJlIGlmIHRoYXQgbGF0dGVyIGFwcHJvYWNoIHdvdWxk IGdhaW4gdXMgYW55IHByYWN0aWNhbAo+ID4gcGFyYWxsZWxpc20gdGhvdWdoLgo+IAo+IC0tIAo+ IEphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBHcmFwaGljcyBDZW50ZXIKCi0tIApWaWxs ZSBTeXJqw6Rsw6QKSW50ZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50 ZWwtZ2Z4Cg==