From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH] drm/i915: Mitigate retirement starvation a bit Date: Thu, 4 Feb 2016 13:30:30 +0000 Message-ID: <56B35276.8080108@linux.intel.com> References: <1454588724-34816-1-git-send-email-tvrtko.ursulin@linux.intel.com> <20160204124034.GA7134@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 990EF6E875 for ; Thu, 4 Feb 2016 05:30:32 -0800 (PST) In-Reply-To: <20160204124034.GA7134@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, Tvrtko Ursulin List-Id: intel-gfx@lists.freedesktop.org CgpPbiAwNC8wMi8xNiAxMjo0MCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IE9uIFRodSwgRmViIDA0 LCAyMDE2IGF0IDEyOjI1OjI0UE0gKzAwMDAsIFR2cnRrbyBVcnN1bGluIHdyb3RlOgo+PiBGcm9t OiBUdnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+Pgo+PiBJbiBleGVj bGlzdHMgbW9kZSBpbnRlcm5hbCBob3VzZSBrZWVwaW5nIG9mIHRoZSBkaXNjYXJkZWQKPj4gcmVx dWVzdHMgKGFuZCBzbyBjb250ZXh0cyBhbmQgVk1BcykgcmVsaWVzIHNvbGVseSBvbiB0aGUgcmV0 aXJlCj4+IHdvcmtlciwgd2hpY2ggY2FuIGJlIHByZXZlbnRlZCBmcm9tIHJ1bm5pbmcgYnkganVz dCBiZWluZwo+PiB1bmx1Y2t5IHdoZW4gYnVzeSBjbGllbnRzIGFyZSBoYW1tZXJpbmcgb24gdGhl IGJpZyBsb2NrLgo+Pgo+PiBQcmltZSBleGFtcGxlIGlzIHRoZSBnZW1fY2xvc2VfcmFjZSBJR1Qs IHdoaWNoIGR1ZSB0byB0aGlzCj4+IGVmZmVjdCBjYXVzZXMgaW50ZXJuYWwgbGlzdHMgdG8gZ3Jv dyB0byBlcGljIHByb3BvcnRpb25zLCB3aXRoCj4+IGEgY29uc2VxdWVjZSBvZiBvYmplY3QgVk1B IHRyYXZlcnNhbCB0byBncm93aW5nIGV4cG9uZW50aWFsbHkKPj4gYW5kIHJlc3VsdGluZyBpbiB0 ZW5zIG9mIG1pbnV0ZXMgdGVzdCBydW50aW1lLiBNZW1vcnkgdXNlIGlzCj4+IGFsc28gdmVyeSBo aWdoIGFuZCBhIGxpbWl0aW5nIGZhY3RvciBvbiBzb21lIHBsYXRmb3Jtcy4KPj4KPj4gU2luY2Ug d2UgZG8gbm90IHdhbnQgdG8gcnVuIHRoaXMgaW50ZXJuYWwgaG91c2Uga2VlcGluZyBtb3JlCj4+ IGZyZXF1ZW50bHksIGR1ZSBjb25jZXJucyB0aGF0IGl0IG1heSBhZmZlY3QgcGVyZm9ybWFuY2Us IGFuZAo+PiB0aGUgc2NlbmFyaW8gYmVpbmcgc3RhdGlzdGljYWxseSBub3QgdmVyeSBsaWtlbHkg aW4gcmVhbAo+PiB3b3JrbG9hZHMsIG9uZSBwb3NzaWJsZSB3b3JrYXJvdW5kIGlzIHRvIHJ1biBp dCB3aGVuIG5ldwo+PiBjbGllbnQgaGFuZGxlcyBhcmUgb3BlbmVkLgo+Pgo+PiBUaGlzIHdpbGwg c29sdmUgdGhlIGlzc3VlcyB3aXRoIHRoaXMgcGFydGljdWxhciB0ZXN0IGNhc2UsCj4+IG1ha2lu ZyBpdCBjb21wbGV0ZSBpbiB0ZW5zIG9mIHNlY29uZHMgaW5zdGVhZCBvZiB0ZW5zIG9mCj4+IG1p bnV0ZXMsIGFuZCB3aWxsIG5vdCBhZGQgYW55IHJ1bi10aW1lIHBlbmFsdHkgdG8gcnVubmluZwo+ PiBjbGllbnRzLgo+Pgo+PiBJdCBjYW4gb25seSBzbGlnaHRseSBzbG93IGRvd24gbmV3IGNsaWVu dCBzdGFydHVwLCBidXQgb24gYQo+PiByZWFsaXN0aWNhbHkgbG9hZGVkIHN5c3RlbSB3ZSBhcmUg ZXhwZWN0aW5nIHRoaXMgdG8gYmUgbm90Cj4+IHNpZ25pZmljYW50LiBFdmVuIHdpdGggaGVhdnkg cmVuZGVyaW5nIGluIHByb2dyZXNzIHdlIGNhbiBoYXZlCj4+IHBlcmhhcHMgdXAgdG8gc2V2ZXJh bCB0aG91c2FuZHMgb2YgcmVxdWVzdHMgcGVuZGluZyByZXRpcmVtZW50LAo+PiB3aGljaCwgd2l0 aCBhIHR5cGljYWwgcmV0aXJlbWVudCBjb3N0IG9mIDgwbnMgdG8gMXVzIHBlcgo+PiByZXF1ZXN0 LCBpcyBub3Qgc2lnbmlmaWNhbnQuCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IFR2cnRrbyBVcnN1bGlu IDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Cj4+IFRlc3RjYXNlOiBpZ3QvZ2VtX2Nsb3NlX3Jh Y2UvZ2VtLWNsb3NlLXJhY2UKPj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgo+Cj4gU3RpbGwgZG9lc24ndCBmaXggYWN0dWFsIHdvcmtsb2FkcyB3aGVyZSB0aGlz IGlzIGRlbW9uc3RyYWJseSBiYWQsIHdoaWNoCj4gY2FuIGJlIGRlbW9uc3RyYXRlZCB3aXRoIGEg c2luZ2xlIGZkLgoKV2hpY2ggYXJlIHRob3NlPwoKPiBUaGUgbW9zdCBlZmZlY3RpdmUgdHJlYXRt ZW50IEkgZm91bmQgaXMgbW92aW5nIHRoZSByZXRpcmUtcmVxdWVzdHMgZnJvbQo+IGV4ZWNidWYg KHdoaWNoIGV4aXN0cyBmb3Igc2ltaWxhciByZWFzb25zKSB0byBnZXQtcGFnZXMuCj4KPiBodHRw Oi8vY2dpdC5mcmVlZGVza3RvcC5vcmcvfmlja2xlL2xpbnV4LTIuNi9jb21taXQvP2g9YnJlYWRj cnVtYnMmaWQ9NzVmNGU1M2YxYzkxNDFiYTJkZDg4NDczOTZhMWJjYzhkYmVlY2Q1NQoKSSBzdHJ1 Z2dsZSB0byB1bmRlcnN0YW5kIGhvdyBpdCBpcyBPSyB0byBzdGFsbCBnZXQgcGFnZXMgb3IgZXZl biB0aGUgCm9iamVjdCBjbG9zZSB3aGVuIHlvdSBvYmplY3RlZCB0byB0aG9zZSBpbiB0aGUgcGFz dD8KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK