From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Hoath Subject: Re: [PATCH v10] drm/i915: Extend LRC pinning to cover GPU context writeback Date: Thu, 14 Jan 2016 12:37:34 +0000 Message-ID: <5697968E.4040707@intel.com> References: <1452701985-19706-1-git-send-email-nicholas.hoath@intel.com> <20160114113639.GU29867@nuc-i3427.alporthouse.com> <56978CD7.5030107@intel.com> <20160114123109.GY29867@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 mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 8D1736E9BE for ; Thu, 14 Jan 2016 04:37:36 -0800 (PST) In-Reply-To: <20160114123109.GY29867@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 Cc: Daniel Vetter , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gMTQvMDEvMjAxNiAxMjozMSwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IE9uIFRodSwgSmFuIDE0 LCAyMDE2IGF0IDExOjU2OjA3QU0gKzAwMDAsIE5pY2sgSG9hdGggd3JvdGU6Cj4+IE9uIDE0LzAx LzIwMTYgMTE6MzYsIENocmlzIFdpbHNvbiB3cm90ZToKPj4+IE9uIFdlZCwgSmFuIDEzLCAyMDE2 IGF0IDA0OjE5OjQ1UE0gKzAwMDAsIE5pY2sgSG9hdGggd3JvdGU6Cj4+Pj4gKwlpZiAoY3R4LT5l bmdpbmVbcmluZy0+aWRdLmRpcnR5KSB7Cj4+Pj4gKwkJc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1 ZXN0ICpyZXEgPSBOVUxMOwo+Pj4+ICsKPj4+PiArCQkvKioKPj4+PiArCQkgKiBJZiB0aGVyZSBp cyBhbHJlYWR5IGEgcmVxdWVzdCBwZW5kaW5nIG9uCj4+Pj4gKwkJICogdGhpcyByaW5nLCB3YWl0 IGZvciB0aGF0IHRvIGNvbXBsZXRlLAo+Pj4+ICsJCSAqIG90aGVyd2lzZSBjcmVhdGUgYSBzd2l0 Y2ggdG8gaWRsZSByZXF1ZXN0Cj4+Pj4gKwkJICovCj4+Pj4gKwkJaWYgKGxpc3RfZW1wdHkoJnJp bmctPnJlcXVlc3RfbGlzdCkpIHsKPj4+PiArCQkJaW50IHJldDsKPj4+PiArCj4+Pj4gKwkJCXJl dCA9IGk5MTVfZ2VtX3JlcXVlc3RfYWxsb2MoCj4+Pj4gKwkJCQkJcmluZywKPj4+PiArCQkJCQly aW5nLT5kZWZhdWx0X2NvbnRleHQsCj4+Pj4gKwkJCQkJJnJlcSk7Cj4+Pj4gKwkJCWlmICghcmV0 KQo+Pj4+ICsJCQkJaTkxNV9hZGRfcmVxdWVzdChyZXEpOwo+Pj4+ICsJCQllbHNlCj4+Pj4gKwkJ CQlEUk1fREVCVUcoIkZhaWxlZCB0byBlbnN1cmUgY29udGV4dCBzYXZlZCIpOwo+Pj4+ICsJCX0g ZWxzZSB7Cj4+Pj4gKwkJCXJlcSA9IGxpc3RfZmlyc3RfZW50cnkoCj4+Pj4gKwkJCQkJJnJpbmct PnJlcXVlc3RfbGlzdCwKPj4+PiArCQkJCQl0eXBlb2YoKnJlcSksIGxpc3QpOwo+Pj4+ICsJCX0K Pj4+PiArCQlpZiAocmVxKSB7Cj4+Pj4gKwkJCXJldCA9IGk5MTVfd2FpdF9yZXF1ZXN0KHJlcSk7 Cj4+Pj4gKwkJCWlmIChyZXQgIT0gMCkgewo+Pj4+ICsJCQkJLyoqCj4+Pj4gKwkJCQkgKiBJZiB3 ZSBnZXQgaGVyZSwgdGhlcmUncyBwcm9iYWJseSBiZWVuIGEgcmluZwo+Pj4+ICsJCQkJICogcmVz ZXQsIHNvIHdlIGp1c3QgY2xlYW4gdXAgdGhlIGRpcnR5IGZsYWcuJgo+Pj4+ICsJCQkJICogcGlu IGNvdW50Lgo+Pj4+ICsJCQkJICovCj4+Pj4gKwkJCQljdHgtPmVuZ2luZVtyaW5nLT5pZF0uZGly dHkgPSBmYWxzZTsKPj4+PiArCQkJCV9faW50ZWxfbHJfY29udGV4dF91bnBpbigKPj4+PiArCQkJ CQlyaW5nLAo+Pj4+ICsJCQkJCWN0eCk7Cj4+Pj4gKwkJCX0KPj4+PiArCQl9Cj4+Pgo+Pj4gSWYg eW91IHdlcmUgdG8gdGFrZSBhIGxyX2NvbnRleHRfcGluIG9uIHRoZSBsYXN0X2NvbnRleHQsIGFu ZCBvbmx5Cj4+PiByZWxlYXNlIHRoYXQgcGluIHdoZW4geW91IGNoYW5nZSB0byBhIG5ldyBjb250 ZXh0LCB5b3UgZG8gbm90IG5lZWQgdG8KPj4KPj4gVGhhdCB3aGF0IHRoaXMgcGF0Y2ggZG9lcy4K Pj4KPj4+IGludHJvZHVjZSBhIGJsb2NraW5nIGNvbnRleHQtY2xvc2UsIG5vciBkbyB5b3UgbmVl ZCB0byBpbnRyb2R1Y2UgdGhlCj4+PiB1c2FnZSBvZiBkZWZhdWx0X2NvbnRleHQuCj4+Cj4+IFRo ZSB1c2Ugb2YgZGVmYXVsdF9jb250ZXh0IGhlcmUgaXMgdG8gc3RvcCBhIGNvbnRleHQgaGFuZ2lu ZyBhcm91bmQKPj4gYWZ0ZXIgaXQgaXMgbm8gbG9uZ2VyIG5lZWRlZC4KPgo+IEJ5IGJsb2NraW5n LCB3aGljaCBpcyBub3QgYWNjZXB0YWJsZS4gQWxzbyB3ZSBjYW4gZWxpbWluYXRlIHRoZQo+IGRl ZmF1bHRfY29udGV4dCBhbmQgc28gcGlubmluZyB0aGF0IG9wcG9zZWQgdG8gdGhlIGxhc3RfY29u dGV4dCBzZXJ2ZXMKPiBubyBwdXJwb3NlIG90aGVyIHRoYW4gYnkgY2hhbmNlIGhhdmluZyBhIG1v cmUgcHJlZmVycmFibGUgcG9zaXRpb24gd2hlbgo+IGl0IGNvbWVzIHRvIGRlZnJhZ21lbnRhdGlv bi4gQnV0IHlvdSBkb24ndCBlbmFibGUgdGhhdCBhbnl3YXkgYW5kIHdlCgpFbmFibGluZyB0aGUg c2hyaW5rZXIgb24gZXhlY2xpc3RzIGlzIHNvbWV0aGluZyBJJ20gd29ya2luZyBvbiB3aGljaCBp cwpwcmVkaWNhdGVkIG9uIHRoaXMgcGF0Y2guIEFsc28gd2h5IGlzIGJsb2NraW5nIG9uIGNsb3Np bmcgYSBjb250ZXh0IG5vdAphY2NlcHRhYmxlPwoKPiBoYXZlIGFsdGVybmF0aXZlIHN0cmF0ZWdp ZXMgbm93IHRoYXQgYXZvaWQgdGhlIGlzc3VlIHdpdGggZnJhZ21lbnRhdGlvbgo+IG9mIHRoZSBt YXBwYWJsZSBhcGVydHVyZS4KPgo+Pj4gKGxyX2NvbnRleHRfcGluIHNob3VsZCB0YWtlIGEgcmVm ZXJlbmNlIG9uIHRoZSBjdHggdG8gcHJldmVudCBlYXJseQo+Pj4gZnJlZWVpbmcgb2ZjKS4KPj4K Pj4gWW91IGNhbid0IGNsZWFyIHRoZSByZWZlcmVuY2Ugb24gdGhlIGN0eCBpbiBhbiBpbnRlcnJ1 cHQgY29udGV4dC4KPgo+IFRoZSBleGVjbGlzdHMgc3VibWlzc2lvbiBzaG91bGQgbW92ZWQgb3V0 IG9mIHRoZSBpbnRlcnJ1cHQgY29udGV4dCwgZm9yCj4gdGhlIHZlcnkgc2ltcGxlIHJlYXNvbiB0 aGF0IGl0IGlzIGNhdXNpbmcgbWFjaGluZSBwYW5pY3MuIHVzZXJzcGFjZQo+IHN1Ym1pdHMgYSB3 b3JrbG9hZCwgbWFjaGluZSBsb2NrdXBzLi4uLgoKQ3JlYXRlIGEgamlyYSwgYW5kIEknbSBzdXJl IHdlJ2xsIGxvb2sgYXQgbWFraW5nIHRoYXQgY2hhbmdlLgoKPiAtQ2hyaXMKPgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcg bGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK