From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 1/3] drm/i915: Suppress spurious CPU FIFO underruns on ILK-IVB Date: Mon, 23 Nov 2015 16:22:08 +0200 Message-ID: <20151123142208.GY4437@intel.com> References: <1448050160-14124-1-git-send-email-ville.syrjala@linux.intel.com> <20151121105150.GC366@nuc-i3427.alporthouse.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 4F43C6E5F0 for ; Mon, 23 Nov 2015 06:22:40 -0800 (PST) Content-Disposition: inline In-Reply-To: <20151121105150.GC366@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCBOb3YgMjEsIDIwMTUgYXQgMTA6NTE6NTBBTSArMDAwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IE9uIEZyaSwgTm92IDIwLCAyMDE1IGF0IDEwOjA5OjE4UE0gKzAyMDAsIHZpbGxlLnN5 cmphbGFAbGludXguaW50ZWwuY29tIHdyb3RlOgo+ID4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2 aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiA+IAo+ID4gV2Ugc3RpbGwgZ2V0IHNwdXJp b3VzIHBpcGUgdW5kZXJydW5zIG9uIElMSy9TTkIvSVZCIHVuZGVyIHR3bwo+ID4gY2lyY3Vtc3Rh bmNlcyB3aGVuIGRlYWxpbmcgd2l0aCBQQ0ggcG9ydHM6Cj4gPiAqIFdoZW4gdGhlIHBpcGUgaGFz IGJlZW4gZGlzYWJsZWQsIGJ1dCBGREkgUlgvVFggaXMgc3RpbGwgZW5hYmxlZAo+ID4gKiBEdXJp bmcgRkRJIGxpbmsgdHJhaW5pbmcKPiA+IAo+ID4gQm90aCBjYXNlcyBzZWVtIHRvIGhhcHBlbiBh dCBsZWFzdCB3aGVuIHdlIGRvIFZHQStIRE1JIGNsb25pbmcKPiA+IGZyb20gdGhlIHNhbWUgcGlw ZS4gSSBkb24ndCB0aGluayBJJ3ZlIHNlZW4gdGhlbSB3aGVuIG5vdCBjbG9uaW5nLAo+ID4gYnV0 IGNhbid0IGJlIDEwMCUgc3VyZS4KPiA+IAo+ID4gRGlzYWJsZSB1bmRlcnJ1biByZXBvcnRpbmcg YXJvdW5kIHRob3NlIHBsYWNlcyB0byBlbGltaW5hdGUgdGhlCj4gPiBkbWVzZyBlcnJvcnMuCj4g PiAKPiA+IFRlc3RjYXNlOiBpZ3Qva21zX3NldG1vZGUvYmFzaWMtY2xvbmUtc2luZ2xlLWNydGMK PiA+IFNpZ25lZC1vZmYtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBsaW51eC5p bnRlbC5jb20+Cj4gQWNrZWQtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNv LnVrPgo+IAo+IEkgd29uZGVyZWQgaWYgbG9nZ2luZyB0aGUgc3VwcHJlc3NlZCBlcnJvcnMgd291 bGQgYmUgb2YgYW55IHVzZT8KCkhtbS4gTWF5YmUganVzdCB0byBjb25maXJtIHRoYXQgdGhleSBz dGlsbCBoYXBwZW4sIGFuZCB0aHVzIHN1cHByZXNzaW5nCmlzIHN0aWxsIG5lZGVkLgoKPiBEb2Vz Cj4gdGhlIGNoZWNrX2NwdV9maWZvIHdvcmsgaWYgdGhlIHJlcG9ydGluZyBpcyBkaXNhYmxlZD8g Q291bGQgd2UgZG8gYQo+IG1hbnVhbCBjaGVjayBhbmQgRFJNX0RFQlVHX0tNUygpIGlmIHRoZSBl bmFibGUgZGlkIGdlbmVyYXRlIGEgZmFpbHVyZS4KPiBJZiB0aGUgY2hlY2tfY3B1X2ZpZm8gZG9l cyB3b3JrLCB3b24ndCB3ZSBzdGlsbCBnZXQgdGhlIGVycm9yIGZyb20gdGhlCj4gYWRkZWQgY2hl Y2sgaW4gYXRvbWljX2NvbW1pdCgpPwoKVGhlIGNoZWNrIG9ubHkgbG9va3MgYXQgcGlwZXMgdGhh dCBoYXZlIHVuZGVycnVuIHJlcG9ydGluZyBlbmFibGVkLiBJCnN1cHBvc2UgaXQgbWlnaHQgYmUg cG9zc2libGUgdG8gaGF2ZSBpdCBjaGVjayBhbGwgdGhlIHBpcGVzLiBBdCB0aGUKcG9pbnQgd2hl cmUgd2UgY2FsbCBpdCBubyBleHBsaWNpdCBzdXBwcmVzc2lvbiBzaG91bGQgYmUgaGFwcGVuaW5n LCBzbwp0aGUgb25seSByZWFzb24gd2h5IHVuZGVycnVuIHJlcG9ydGluZyB3b3VsZCBiZSBkaXNh YmxlZCBvbiBhbnkgcGlwZSBpcwpkdWUgdG8gZGV0ZWN0aW5nIGEgcHJldmlvdXMgdW5kZXJydW4g dmlhIHRoZSBpbnRlcnJ1cHQuCgotLSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGlu ZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=