From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 08/13] drm/i915: Allow a context to define its set of engines Date: Mon, 11 Mar 2019 10:12:52 +0000 Message-ID: <92c8bcf4-0c40-0ae4-55f5-0f26e613b1bb@linux.intel.com> References: <20190308141244.16837-1-chris@chris-wilson.co.uk> <20190308141244.16837-9-chris@chris-wilson.co.uk> <155206365832.28502.10760120430992049361@skylake-alporthouse-com> <155229751670.19206.6654210877349786047@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 89EC089993 for ; Mon, 11 Mar 2019 10:12:54 +0000 (UTC) In-Reply-To: <155229751670.19206.6654210877349786047@skylake-alporthouse-com> Content-Language: en-US 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 Ck9uIDExLzAzLzIwMTkgMDk6NDUsIENocmlzIFdpbHNvbiB3cm90ZToKPiBRdW90aW5nIFR2cnRr byBVcnN1bGluICgyMDE5LTAzLTExIDA5OjIzOjQ0KQo+Pgo+PiBPbiAwOC8wMy8yMDE5IDE2OjQ3 LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4+PiBRdW90aW5nIFR2cnRrbyBVcnN1bGluICgyMDE5LTAz LTA4IDE2OjI3OjIyKQo+Pj4+Cj4+Pj4gT24gMDgvMDMvMjAxOSAxNDoxMiwgQ2hyaXMgV2lsc29u IHdyb3RlOgo+Pj4+PiArc3RhdGljIGludAo+Pj4+PiArc2V0X2VuZ2luZXMoc3RydWN0IGk5MTVf Z2VtX2NvbnRleHQgKmN0eCwKPj4+Pj4gKyAgICAgICAgIGNvbnN0IHN0cnVjdCBkcm1faTkxNV9n ZW1fY29udGV4dF9wYXJhbSAqYXJncykKPj4+Pj4gK3sKPj4+Pj4gKyAgICAgc3RydWN0IGk5MTVf Y29udGV4dF9wYXJhbV9lbmdpbmVzIF9fdXNlciAqdXNlcjsKPj4+Pj4gKyAgICAgc3RydWN0IHNl dF9lbmdpbmVzIHNldCA9IHsgLmN0eCA9IGN0eCB9Owo+Pj4+PiArICAgICB1NjQgc2l6ZSwgZXh0 ZW5zaW9uczsKPj4+Pj4gKyAgICAgdW5zaWduZWQgaW50IG47Cj4+Pj4+ICsgICAgIGludCBlcnI7 Cj4+Pj4+ICsKPj4+Pj4gKyAgICAgdXNlciA9IHU2NF90b191c2VyX3B0cihhcmdzLT52YWx1ZSk7 Cj4+Pj4+ICsgICAgIHNpemUgPSBhcmdzLT5zaXplOwo+Pj4+PiArICAgICBpZiAoIXNpemUpCj4+ Pj4+ICsgICAgICAgICAgICAgZ290byBvdXQ7Cj4+Pj4KPj4+PiBUaGlzIHByZXZlbnRzIGEgaHlw b3RoZXRpY2FsIGV4dGVuc2lvbiB3aXRoIGVtcHR5IG1hcCBkYXRhLgo+Pj4KPj4+IE5vLi4uIFRo aXMgaXMgcmVxdWlyZWQgZm9yIHJlc2V0dGluZyBhbmQgSSB0aGluayB0aGF0J3MgY292ZXJlZCBp biB3aGF0Cj4+PiBsaXR0bGUgZG9jcyB0aGVyZSBhcmUuIEl0J3MgdGhlIHNldC5uZW5naW5lPT0w IHRlc3QgbGF0ZXIKPj4+IHRoYXQgeW91IG1lYW4gdG8gb2JqZWN0IHRvLiBCdXQgd2UgY2FuJ3Qg ZG8gdGhhdCBhcyB0aGF0J3MgaG93IHdlCj4+PiBkaWZmZXJlbnRpYXRlIGJldHdlZW4gbW9kZXMg YXQgdGhlIG1vbWVudC4KPj4+Cj4+PiBXZSBjb3VsZCB1c2UgY3R4LT5uZW5naW5lID0gMCBhbmQg Y3R4LT5lbmdpbmVzID0gWkVST19QVFIuCj4+Cj4+IHNpemUgPT0gc2l6ZW9mKHN0cnVjdCBpOTE1 X2NvbnRleHRfcGFyYW1fZW5naW5lcykgY291bGQgbWVhbiByZXNldCAtCj4+IG1lYW5pbmcgbm8g bWFwIGFycmF5IHByb3ZpZGVkLgo+IAo+IE5haCwgc2l6ZT1zaXplb2YoKSA9PiAwIFtdLCBzaXpl PTAgPT4gZGVmYXVsdCBtYXAuCj4gICAKPj4gTWVhbmluZyBvbmUgY291bGQgcmVzZXQgdGhlIG1h cCBhbmQgc3RpbGwgcGFzcyBpbiBleHRlbnNpb25zLgo+IAo+IEkgbWlzc2VkIHRoYXQgeW91IHdl cmUgcG9pbnRpbmcgb3V0IHdlIGRpZG4ndCBmb2xsb3cgdGhlIGV4dGVuc2lvbnMgb24KPiByZXNl dHRpbmcuCj4gCj4gSSdtIG5vdCBzdXJlIGlmIHRoYXQgbWFrZXMgc2Vuc2UgdGJoLiBUaGUgZXh0 ZW5zaW9ucyBhcmUgd3JpdHRlbiBhcm91bmQKPiB0aGUgY29uY2VwdCBvZiBhcHBseWluZyB0byB0 aGUgbmV3IGVuZ2luZXNbXSwgYW5kIGlmIHRoZSB1c2UgaGFzCj4gZXhwbGljaXRseSByZW1vdmVk IHRoZSBlbmdpbmVzW10gKGRpc3RpbmN0IGZyb20gZGVmaW5pbmcgYSB6ZXJvIGFycmF5KSwKPiB3 aGF0IGV4dGVuc2lvbnMgY2FuIGFwcGx5PyBPbmUgaG9wZXMgdGhleSBlbmQgdXAgLUVJTlZBTC4g QXMgdGhleSBzaG91bGQKPiAtRUlOVkFMLCBJIGd1ZXNzIGl0IGlzIG5vIGhhcm0gZG9uZSB0byBh cHBseSB0aGVtLgoKWWVhaCBpdCBpcyBoeXBvdGhldGljYWwgZm9yIG5vdy4gSnVzdCBmdXR1cmUg cHJvb2ZpbmcgZm9yIGlmIHdlIGFkZCBzb21lIAplbmdpbmUgbWFwIGV4dGVuc2lvbiB3aGljaCBt YWtlcyBzZW5zZSBhZnRlciByZXNldHRpbmcgdGhlIG1hcC4KCj4+Pj4+ICsgICAgIEJVSUxEX0JV R19PTighSVNfQUxJR05FRChzaXplb2YoKnVzZXIpLCBzaXplb2YoKnVzZXItPmNsYXNzX2luc3Rh bmNlKSkpOwo+Pj4+PiArICAgICBpZiAoc2l6ZSA8IHNpemVvZigqdXNlcikgfHwgc2l6ZSAlIHNp emVvZigqdXNlci0+Y2xhc3NfaW5zdGFuY2UpKQo+Pj4+Cj4+Pj4gSVNfQUxJR05FRCBmb3IgdGhl IHNlY29uZCBjb25kaXRpb24gZm9yIGNvbnNpc3RlbmN5IHdpdGggdGhlIEJVSUxEX0JVR19PTj8K Pj4+Pgo+Pj4+PiArICAgICAgICAgICAgIHJldHVybiAtRUlOVkFMOwo+Pj4+PiArCj4+Pj4+ICsg ICAgIHNldC5uZW5naW5lID0gKHNpemUgLSBzaXplb2YoKnVzZXIpKSAvIHNpemVvZigqdXNlci0+ Y2xhc3NfaW5zdGFuY2UpOwo+Pj4+PiArICAgICBpZiAoc2V0Lm5lbmdpbmUgPT0gMCB8fCBzZXQu bmVuZ2luZSA+IEk5MTVfRVhFQ19SSU5HX01BU0sgKyAxKQo+Pj4+Cj4+Pj4gSSB3b3VsZCBwcmVm ZXIgd2UgZHJvcCB0aGUgc2l6ZSByZXN0cmljdGlvbiBzaW5jZSBpdCBkb2Vzbid0IGFwcGx5IHRv Cj4+Pj4gdGhlIGVuZ2luZSBtYXAgcGVyIHNlLgo+Pj4KPj4+IHU2NCBpcyBhIGxpbWl0IHRoYXQg d2lsbCBiZSBub24tdHJpdmlhbCB0byBsaWZ0LiBNYXJraW5nIHRoZSBsaW1pdHMgb2YKPj4+IHRo ZSBrZXJuZWwgZG9lc24ndCByZXN0cmljdCBpdCBiZWluZyBsaWZ0ZWQgbGF0ZXIuCj4+Cj4+IE15 IHRoaW5raW5nIGlzIHRoYXQgdTY0IGxpbWl0IGFwcGxpZXMgdG8gdGhlIGxvYWQgYmFsYW5jaW5n IGV4dGVuc2lvbiwKPj4gYW5kIHRoZSA2NCBlbmdpbmUgbGltaXQgYXBwbGllcyB0byBleGVjYnVm LiBFbmdpbmUgbWFwIGl0c2VsZiBpcyBub3QKPj4gbGltaXRlZC4gQnV0IEkgZ3Vlc3MgaXQgaXMg YSB0aGVvcmV0aWNhbC9wb2ludGxlc3MgZGlzY3Vzc2lvbiBhdCB0aGlzIHBvaW50Lgo+IAo+IEkg a25vdyB3aGF0IHlvdSBtZWFuLCBJJ20ganVzdCBsb29raW5nIGF0IHRoYXQgd2UgdXNlIHU2NCBh cm91bmQgdGhlCj4gdUFQSSBmb3IgbWFza3MsIGFuZCB1OC91bnNpZ25lZCBsb25nIGludGVybmFs bHkuIFNvIGV2ZW4gZ29pbmcgYmV5b25kCj4gQklUU19QRVJfTE9ORyBpcyBwcm9ibGVtYXRpYy4K PiAKPiBJJ20gaW4gdHdvIG1pbmRzLiBZZXMsIHRoZSBsaW1pdCBkb2Vzbid0IGFwcGx5IHRvIGVu Z2luZXNbXSBpdHNlbGYsIGJ1dAo+IGZvciBwcmFjdGljYWwgcmVhc29ucyB0aGVyZSBpcyBhIGxp bWl0LCBhbmQgdW50aWwgd2UgY2FuIHJlbW92ZSB0aG9zZSwKPiBsaWZ0aW5nIHRoZSByZXN0cmlj dGlvbiBoZXJlIGlzIGltbWF0ZXJpYWwgOnwKCk9rLgoKPiAKPj4+Pj4gK3N0YXRpYyBpbnQKPj4+ Pj4gK2dldF9lbmdpbmVzKHN0cnVjdCBpOTE1X2dlbV9jb250ZXh0ICpjdHgsCj4+Pj4+ICsgICAg ICAgICBzdHJ1Y3QgZHJtX2k5MTVfZ2VtX2NvbnRleHRfcGFyYW0gKmFyZ3MpCj4+Pj4+ICt7Cj4+ Pj4+ICsgICAgIHN0cnVjdCBpOTE1X2NvbnRleHRfcGFyYW1fZW5naW5lcyAqbG9jYWw7Cj4+Pj4+ ICsgICAgIHVuc2lnbmVkIGludCBuLCBjb3VudCwgc2l6ZTsKPj4+Pj4gKyAgICAgaW50IGVyciA9 IDA7Cj4+Pj4+ICsKPj4+Pj4gK3Jlc3RhcnQ6Cj4+Pj4+ICsgICAgIGNvdW50ID0gUkVBRF9PTkNF KGN0eC0+bmVuZ2luZSk7Cj4+Pj4+ICsgICAgIGlmIChjb3VudCA+IChJTlRfTUFYIC0gc2l6ZW9m KCpsb2NhbCkpIC8gc2l6ZW9mKCpsb2NhbC0+Y2xhc3NfaW5zdGFuY2UpKQo+Pj4+PiArICAgICAg ICAgICAgIHJldHVybiAtRU5PTUVNOyAvKiB1bnJlcHJlc2VudGFibGUhICovCj4+Pj4KPj4+PiBQ cm9iYWJseSBvdmVybHkgcGFyYW5vaWQgc2luY2Ugd2UgY2FuJ3QgZW5kIHVwIHdpdGggdGhpcyBz dGF0ZSBzZXQuCj4+Pgo+Pj4gQW5kIEkgdGhvdWdodCB5b3Ugd2FudGVkIG1hbnkgZW5naW5lcyEg UGFyYW5vaWEgYXJvdW5kIGttYWxsb2MvdXNlcgo+Pj4gb3ZlZmxvd3MgaXMgYWx3YXlzIHVzZWZ1 bCwgYmVjYXVzZSB5b3Uga25vdyBzb21lb25lIHdpbGwgc2VuZCBhIHBhdGNoCj4+PiBsYXRlciAo YW5kIHNtYXRjaCBkb2Vzbid0IHJlYWxseSBjYXJlIGFzIGl0IG9ubHkgY2hlY2tzIHRoZSBsaW1p dHMgb2YKPj4+IHR5cGVzIGFuZCBsb2NhbCBjb25zdHJhaW50cykuCj4+Cj4+IFB1dCBhIGNvbW1l bnQgb24gd2hhdCBpdCBpcyBjaGVja2luZyB0aGVuLiBXaHkgSU5UX01BWCBhbmQgbm90IFUzMl9N QVggYnR3Pwo+IAo+IFZhZ3VlIG1lbW9yaWVzIGFib3V0IHdoYXQgZ2V0cyBjaGVja2VkIGZvciBv dmVyZmxvdyBpbiBkcm1fbWFsbG9jX2xhcmdlLgo+IE5vd2FkYXlzLCB0aGUgaW4tdHJlbmQgaXMg Y2hlY2tfbXVsX292ZXJmbG93KCkgd2l0aCBzaXplX3QuCgpPaCB0aGF0IG9uZS4uIEkgd2FzIHRo aW5raW5nIGFib3V0IGFyZ3MtPnNpemUgPSBzaXplIGFzc2lnbm1lbnQgKHUzMikuIApCb3RoIGFy ZSAzMi1iaXQgbHVja2lseS4KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4