From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 2/2] drm/i915: Limit the busy wait on requests to 2us not 10ms! Date: Mon, 16 Nov 2015 13:09:52 +0000 Message-ID: <5649D5A0.3080907@linux.intel.com> References: <1447594364-4206-1-git-send-email-chris@chris-wilson.co.uk> <1447594364-4206-2-git-send-email-chris@chris-wilson.co.uk> <5649AEED.9090807@linux.intel.com> <20151116111208.GQ569@nuc-i3427.alporthouse.com> <5649C728.5040109@linux.intel.com> <20151116125537.GS569@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20151116125537.GS569@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 , Jens Axboe , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Daniel Vetter , Eero Tamminen , "Rantala, Valtteri" , stable@kernel.vger.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE2LzExLzE1IDEyOjU1LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gTW9uLCBOb3YgMTYs IDIwMTUgYXQgMTI6MDg6MDhQTSArMDAwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Cj4+IE9u IDE2LzExLzE1IDExOjEyLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBPbiBNb24sIE5vdiAxNiwg MjAxNSBhdCAxMDoyNDo0NUFNICswMDAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4+PiBPbiAx NS8xMS8xNSAxMzozMiwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+Pj4+PiArc3RhdGljIHU2NCBsb2Nh bF9jbG9ja191cyh1bnNpZ25lZCAqY3B1KQo+Pj4+PiArewo+Pj4+PiArCXU2NCB0Owo+Pj4+PiAr Cj4+Pj4+ICsJKmNwdSA9IGdldF9jcHUoKTsKPj4+Pj4gKwl0ID0gbG9jYWxfY2xvY2soKSA+PiAx MDsKPj4+Pgo+Pj4+IE5lZWRzIGNvbW1lbnQgSSB0aGluayB0byBleHBsaWNpdGx5IG1lbnRpb24g dGhlIGFwcHJveGltYXRpb24sIG9yCj4+Pj4gbWF5YmUgZHJvcCB0aGUgX3VzIHN1ZmZpeD8KPj4+ Cj4+PiBJIGRpZCBjb25zaWRlciBfYXBwcm94X3VzIGJ1dCB0aG91Z2h0IHRoYXQgd2FzIG92ZXJr aWxsLiBBIGNvbW1lbnQgYWxvbmcKPj4+IHRoZSBsaW5lcyBvZgo+Pj4gLyogQXBwcm94aW1hdGVs eSBjb252ZXJ0IG5zIHRvIHVzIC0gdGhlIGVycm9yIGlzIGxlc3MgdGhhbiB0aGUKPj4+ICAgKiB0 cnVuY2F0aW9uIQo+Pj4gICAqLwo+Pgo+PiBBbmQgdGhlIHJlc3VsdCBpcyBub3QgdXNlZCBpbiBz dWJzZXF1ZW50IGNhbGN1bGF0aW9ucyBhcGFydCBmcm9tCj4+IGNvbXBhcmluZyBhZ2FpbnN0IGFu IGFwcHJveGltYXRlIHRpbWVvdXQ/Cj4KPiBFeGFjdGx5LCB0aGUgdGltZW91dCBpcyBmYWlybHkg YXJiaXRyYXJ5IGFuZCBkZWZpbmVkIGluIHRoZSBzYW1lIHVuaXRzLgo+IFRoYXQgd2UgdHJ1bmNh dGUgaXMgYSBtdWNoIGJpZ2dlciBjYXVzZSBmb3IgY29uY2VybiBpbiB0ZXJtcyBvZiBzcGlubmlu Zwo+IGFjY3VyYXRlbHkgZm9yIGEgZGVmaW5pdGUgbGVuZ3RoIG9mIHRpbWUuCgpCYWggc29ycnkg dGhhdCB3YXMgbm90IHN1cHBvc2VkIHRvIGJlIGEgcXVlc3Rpb24gYnV0IGEgc3VnZ2VzdGlvbiB0 byBhZGQgCnRvIHRoZSBjb21tZW50LiBNdXN0IGhhZCBtaXN0eXBlZCB0aGUgcXVlc3Rpb24gbWFy ay4gOikKClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9pbnRlbC1nZngK