From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH v10] drm/i915: Extend LRC pinning to cover GPU context writeback Date: Tue, 19 Jan 2016 17:31:49 +0000 Message-ID: <569E7305.60107@linux.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> <5697968E.4040707@intel.com> <5698D115.9020200@intel.com> <569CFE81.9070006@linux.intel.com> <20160118165300.GC26573@nuc-i3427.alporthouse.com> <569D1D72.2010804@linux.intel.com> <20160118204725.GD26573@nuc-i3427.alporthouse.com> <569E0EF7.8010901@linux.intel.com> <569E6FC8.6040602@linux.intel.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 99FC26E807 for ; Tue, 19 Jan 2016 09:31:51 -0800 (PST) In-Reply-To: <569E6FC8.6040602@linux.intel.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 , Nick Hoath , Daniel Vetter , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org Ck9uIDE5LzAxLzE2IDE3OjE4LCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPgo+IE9uIDE5LzAxLzE2 IDEwOjI0LCBUdnJ0a28gVXJzdWxpbiB3cm90ZToKPj4KPj4KPj4gT24gMTgvMDEvMTYgMjA6NDcs IENocmlzIFdpbHNvbiB3cm90ZToKPj4+IE9uIE1vbiwgSmFuIDE4LCAyMDE2IGF0IDA1OjE0OjI2 UE0gKzAwMDAsIFR2cnRrbyBVcnN1bGluIHdyb3RlOgo+Pj4+Cj4+Pj4gT24gMTgvMDEvMTYgMTY6 NTMsIENocmlzIFdpbHNvbiB3cm90ZToKPj4+Pj4gT24gTW9uLCBKYW4gMTgsIDIwMTYgYXQgMDM6 MDI6MjVQTSArMDAwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+Pj4+PiAtICAgICAgIHdoaWxl ICghbGlzdF9lbXB0eSgmcmluZy0+cmVxdWVzdF9saXN0KSkgewo+Pj4+Pj4gLSAgICAgICAgICAg ICAgIHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcmVxdWVzdDsKPj4+Pj4+IC0KPj4+Pj4+ IC0gICAgICAgICAgICAgICByZXF1ZXN0ID0gbGlzdF9maXJzdF9lbnRyeSgmcmluZy0+cmVxdWVz dF9saXN0LAo+Pj4+Pj4gLSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg IHN0cnVjdAo+Pj4+Pj4gZHJtX2k5MTVfZ2VtX3JlcXVlc3QsCj4+Pj4+PiAtICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgbGlzdCk7Cj4+Pj4+PiAtCj4+Pj4+PiAtICAg ICAgICAgICAgICAgaWYgKCFpOTE1X2dlbV9yZXF1ZXN0X2NvbXBsZXRlZChyZXF1ZXN0LCB0cnVl KSkKPj4+Pj4+ICsgICAgICAgbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZlKHJlcSwgbmV4dCwgJnJp bmctPnJlcXVlc3RfbGlzdCwKPj4+Pj4+IGxpc3QpIHsKPj4+Pj4+ICsgICAgICAgICAgICAgICBp ZiAoIWk5MTVfZ2VtX3JlcXVlc3RfY29tcGxldGVkKHJlcSwgdHJ1ZSkpCj4+Pj4+PiAgICAgICAg ICAgICAgICAgICAgICAgICAgYnJlYWs7Cj4+Pj4+Pgo+Pj4+Pj4gLSAgICAgICAgICAgICAgIGk5 MTVfZ2VtX3JlcXVlc3RfcmV0aXJlKHJlcXVlc3QpOwo+Pj4+Pj4gKyAgICAgICAgICAgICAgIGlm ICghaTkxNS5lbmFibGVfZXhlY2xpc3RzIHx8Cj4+Pj4+PiAhaTkxNS5lbmFibGVfZ3VjX3N1Ym1p c3Npb24pIHsKPj4+Pj4+ICsgICAgICAgICAgICAgICAgICAgICAgIGk5MTVfZ2VtX3JlcXVlc3Rf cmV0aXJlKHJlcSk7Cj4+Pj4+PiArICAgICAgICAgICAgICAgfSBlbHNlIHsKPj4+Pj4+ICsgICAg ICAgICAgICAgICAgICAgICAgIHByZXZfcmVxID0gbGlzdF9wcmV2X2VudHJ5KHJlcSwgbGlzdCk7 Cj4+Pj4+PiArICAgICAgICAgICAgICAgICAgICAgICBpZiAocHJldl9yZXEpCj4+Pj4+PiArICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgIGk5MTVfZ2VtX3JlcXVlc3RfcmV0aXJlKHByZXZf cmVxKTsKPj4+Pj4+ICsgICAgICAgICAgICAgICB9Cj4+Pj4+PiAgICAgICAgICB9Cj4+Pj4+Pgo+ Pj4+Pj4gVG8gZXhwbGFpbiwgdGhpcyBhdHRlbXB0cyB0byBlbnN1cmUgdGhhdCBpbiBHdUMgbW9k ZSByZXF1ZXN0cyBhcmUKPj4+Pj4+IG9ubHkKPj4+Pj4+IHVucmVmZXJlbmNlZCBpZiB0aGVyZSBp cyBhICpmb2xsb3dpbmcqICpjb21wbGV0ZWQqIHJlcXVlc3QuCj4+Pj4+Pgo+Pj4+Pj4gVGhpcyB3 YXksIHJlZ2FyZGxlc3Mgb2Ygd2hldGhlciB0aGV5IGFyZSB1c2luZyB0aGUgc2FtZSBvciBkaWZm ZXJlbnQKPj4+Pj4+IGNvbnRleHRzLCB3ZSBjYW4gYmUgc3VyZSB0aGF0IHRoZSBHUFUgaGFzIGVp dGhlciBjb21wbGV0ZWQgdGhlCj4+Pj4+PiBjb250ZXh0IHdyaXRpbmcsIG9yIHRoYXQgdGhlIHVu cmVmZXJlbmNlIHdpbGwgbm90IGNhdXNlIHRoZSBmaW5hbAo+Pj4+Pj4gdW5waW4gb2YgdGhlIGNv bnRleHQuCj4+Pj4+Cj4+Pj4+IFRoaXMgaXMgdGhlIGZpcnN0IGJvZ3VzIHN0ZXAuIGNvbnRleHRz IGhhdmUgdG8gYmUgdW5yZWZlcmVuY2VkIGZyb20KPj4+Pj4gcmVxdWVzdCByZXRpcmUsIG5vdCBy ZXF1ZXN0IGZyZWUuIEFzIGl0IHN0YW5kcyB0b2RheSwgdGhpcyBmb3JjZXMKPj4+Pj4gdXMgdG8K Pj4+Pj4gaG9sZCB0aGUgc3RydWN0X211dGV4IGZvciB0aGUgZnJlZSAoY2F1c2luZyBtYW55IGZv dWwgdXBzIGFsb25nIHRoZQo+Pj4+PiBsaW5lKS4gIFRoZSBvbmx5IHJlYXNvbiB3aHkgaXQgaXMg bGlrZSB0aGF0IGlzIGJlY2F1c2Ugb2YgZXhlY2xpc3RzCj4+Pj4+IG5vdAo+Pj4+PiBkZWNvdXBs aW5nIGl0cyBjb250ZXh0IHBpbm5pbmcgaW5zaWRlIHJlcXVlc3QgY2FuY2VsLgo+Pj4+Cj4+Pj4g V2hhdCBpcyB0aGUgZmlyc3QgYm9ndXMgc3RlcD8gTXkgaWRlYSBvZiBob3cgdG8gZml4IHRoZSBH dUMgaXNzdWUsCj4+Pj4gb3IgdGhlIG1lbnRpb24gb2YgZmluYWwgdW5yZWZlcmVuY2UgaW4gcmVs YXRpb24gdG8gR1BVIGNvbXBsZXRpbmcKPj4+PiB0aGUgc3VibWlzc2lvbj8KPj4+Cj4+PiBUaGF0 IHdlIHdhbnQgdG8gd2FudCB0byBhY3R1YWxseSB1bnJlZmVyZW5jZSB0aGUgcmVxdWVzdC4gV2Ug d2FudCB0bwo+Pj4gdW5waW4gdGhlIGNvbnRleHQgYXQgdGhlIGFwcHJvcHJpYXRlIGp1bmN0dXJl LiBBdCB0aGUgbW9tZW50LCBpdCBsb29rcwo+Pgo+PiBXaGF0IHdvdWxkIGJlIHRoZSBhcHByb3By aWF0ZSBqdW5jdHVyZT8gV2l0aCBHdUMgd2UgZG9uJ3QgaGF2ZSB0aGUKPj4gZXF1aXZhbGVudCBv ZiBjb250ZXh0IGNvbXBsZXRlIGlycS4KPj4KPj4+IGxpa2UgdGhhdCB5b3UgYXJlIGNvbmZsYXRp bmcgdGhvc2UgdHdvIHN0ZXBzOiAicmVxdWVzdHMgYXJlIG9ubHkKPj4+IHVucmVmZXJlbmNlZCIu IFVzaW5nIHRoZSByZXRpcmVtZW50IG1lY2hhbmlzbSB3b3VsZCBtZWFuIGNvdXBsaW5nIHRoZQo+ Pj4gY29udGV4dCB1bnBpbm5pbmcgaW50byBhIHN1YnNlcXVlbnQgcmVxdWVzdCByYXRoZXIgdGhh biBkZWZlciByZXRpcmluZyBhCj4+PiBjb21wbGV0ZWQgcmVxdWVzdCwgZm9yIGV4YW1wbGUgbGVn YWN5IHVzZXMgYWN0aXZlIHZtYSB0cmFja2luZyB0bwo+Pj4gYWNjb21wbGlzaCB0aGUgc2FtZSB0 aGluZy4gQWl1aSwgdGhlIGN1cnJlbnQgY2xhaW0gaXMgdGhhdCB3ZSBjb3VsZG4ndAo+Pj4gZG8g dGhhdCBzaW5jZSB0aGUgZ3VjIG1heSByZW9yZGVyIGNvbnRleHRzIC0gZXhjZXB0IHRoYXQgd2Ug Y3VycmVudGx5Cj4+PiB1c2UgYSBnbG9iYWwgc2Vxbm8gc28gdGhhdCB3b3VsZCBiZSBiYWQgb24g bWFueSBsZXZlbHMuCj4+Cj4+IEkgZG9uJ3Qga25vdyBsZWdhY3kuIDooIEkgY2FuIHNlZSB0aGF0 IHJlcXVlc3QvY29udGV4dCBsaWZldGltZSBpcwo+PiBjb3VwbGVkIHRoZXJlIGFuZCBhc3NvY2lh dGVkIHdpdGggcmVxdWVzdCBjcmVhdGlvbiB0byByZXRpcmVtZW50Lgo+Pgo+PiBEb2VzIGl0IGhh dmUgdGhlIHNhbWUgcHJvYmxlbSBvZiBzZXFubyBzaWduYWxpbmcgY29tcGxldGlvbiBiZWZvcmUg dGhlCj4+IEdQVSBpcyBkb25lIHdpdGggd3JpdGluZyBvdXQgdGhlIGNvbnRleHQgaW1hZ2UgYW5k IGhvdyBkb2VzIGl0IHNvbHZlCj4+IHRoYXQ/Cj4KPiBPayBJIHRoaW5rIEkgYW0gc3RhcnRpbmcg dG8gc2VlIHRoZSBsZWdhY3kgY29kZSBwYXRocy4KPgo+IEludGVyZXN0aW5nIGFyZWFzIGFyZSBp OTE1X3N3aXRjaF9jb250ZXh0ICsgZG9fc3dpdGNoIHdoaWNoIGRvIHRoZQo+IHJpbmctPmxhc3Rf Y29udGV4dCB0cmFja2luZyBhbmQgbWFrZSB0aGUgcmluZy9lbmdpbmUgb3duIG9uZSBleHRyYQo+ IHJlZmVyZW5jZSBvbiB0aGUgY29udGV4dC4KPgo+IFRoZW4sIGNvZGUgcGF0aHMgd2hpY2ggd2Fu dCB0byBtYWtlIHN1cmUgbm8gdXNlciBjb250ZXh0IGFyZSBhY3RpdmUgb24KPiB0aGUgR1BVIGNh bGwgaTkxNV9ncHVfaWRsZSBhbmQgc3VibWl0IGEgZHVtbXkgZGVmYXVsdCBjb250ZXh0IHJlcXVl c3QuCj4KPiBUaGUgbGF0dGVyIGV2ZW4gZXhwbGljaXRseSBhdm9pZHMgZXhlY2xpc3QgbW9kZS4K Pgo+IFNvIHVubGVzcyBJIGFtIG1pc3Npbmcgc29tZXRoaW5nLCB3ZSBjb3VsZCBqdXN0IHVuaWZ5 IHRoZSBiZWhhdmlvdXIKPiBiZXR3ZWVuIHRoZSB0d28uIE1ha2UgcmluZy9lbmdpbmUtPmxhc3Rf Y29udGV4dCBkbyB0aGUgaWRlbnRpY2FsCj4gdHJhY2tpbmcgYXMgbGVnYWN5IGNvbnRleHQgc3dp dGNoaW5nIGFuZCBsZXQgaTkxNV9ncHVfaWRsZSBpZGxlIHRoZSBHUFUKPiBpbiBleGVjbGlzdCBt b2RlIGFzIHdlbGw/CgpBbHRob3VnaCBJIGFtIG5vdCBzdXJlIHRoZSBlbmdpbmUtPmxhc3RfY29u dGV4dCBjb25jZXB0IHdvcmtzIHdpdGggTFJDIAphbmQgR3VDIGJlY2F1c2Ugb2YgdGhlIG11bHRp cGxlIHN1Ym1pc3Npb24gcG9ydHMuIE5lZWQgdG8gZ2l2ZSBpdCBtb3JlIAp0aG91Z2h0LgoKUmVn YXJkcywKClR2cnRrbwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=