From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lionel Landwerlin Subject: Re: [PATCH] drm/i915/oa: Reconfigure contexts on the fly Date: Fri, 5 Jul 2019 16:06:25 +0300 Message-ID: <3e0cc33a-e03e-ec97-4ff0-d1c892549cc1@intel.com> References: <20190705123057.19346-1-chris@chris-wilson.co.uk> <0ff02900-acdb-12a2-84d4-8df69e2e08cf@intel.com> <156233129697.19568.10942173619589658148@skylake-alporthouse-com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id A413F6E4AF for ; Fri, 5 Jul 2019 13:06:29 +0000 (UTC) In-Reply-To: <156233129697.19568.10942173619589658148@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 T24gMDUvMDcvMjAxOSAxNTo1NCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+IFF1b3RpbmcgTGlvbmVs IExhbmR3ZXJsaW4gKDIwMTktMDctMDUgMTM6NDI6NTEpCj4+IFdvdyBuaWNlLiBJIGRpZG4ndCBo YXZlIHRoZSBjb3VyYWdlIHRvIGFjdHVhbGx5IHdyaXRlIGl0LCBrbm93aW5nIGhvdwo+PiBlYXN5 IGl0IGNvdWxkIGJlIHRvIHNjcmV3IGFuIG9mZnNldCBhbmQgd3JpdGUgYXQgcmFuZG9tIGluIEdH VFQuLi4KPj4KPj4gSSBvbmx5IGhhdmUgb25lIGNvbmNlcm4gYmVsb3cuCj4+Cj4+IFRoYW5rcyBh IGxvdCwKPj4KPj4gLUxpb25lbAo+Pgo+PiBPbiAwNS8wNy8yMDE5IDE1OjMwLCBDaHJpcyBXaWxz b24gd3JvdGU6Cj4+PiAgICAgICAgQ1RYX1JFRyhyZWdfc3RhdGUsCj4+PiBAQCAtMTY5Miw2ICsx NjkzLDE1MCBAQCBnZW44X3VwZGF0ZV9yZWdfc3RhdGVfdW5sb2NrZWQoc3RydWN0IGludGVsX2Nv bnRleHQgKmNlLAo+Pj4gICAgICAgICAgICAgICAgaW50ZWxfc3NldV9tYWtlX3JwY3MoaTkxNSwg JmNlLT5zc2V1KSk7Cj4+PiAgICB9Cj4+PiAgICAKPj4+ICtzdHJ1Y3QgZmxleCB7Cj4+PiArICAg ICBpOTE1X3JlZ190IHJlZzsKPj4+ICsgICAgIHUzMiBvZmZzZXQ7Cj4+PiArICAgICB1MzIgdmFs dWU7Cj4+PiArfTsKPj4+ICsKPj4+ICtzdGF0aWMgaW50Cj4+PiArZ2VuOF9zdG9yZV9mbGV4KHN0 cnVjdCBpOTE1X3JlcXVlc3QgKnJxLAo+Pj4gKyAgICAgICAgICAgICBzdHJ1Y3QgaW50ZWxfY29u dGV4dCAqY2UsCj4+PiArICAgICAgICAgICAgIGNvbnN0IHN0cnVjdCBmbGV4ICpmbGV4LCB1bnNp Z25lZCBpbnQgY291bnQpCj4+PiArewo+Pj4gKyAgICAgdTMyIG9mZnNldDsKPj4+ICsgICAgIHUz MiAqY3M7Cj4+PiArCj4+PiArICAgICBjcyA9IGludGVsX3JpbmdfYmVnaW4ocnEsIDQgKiBjb3Vu dCk7Cj4+PiArICAgICBpZiAoSVNfRVJSKGNzKSkKPj4+ICsgICAgICAgICAgICAgcmV0dXJuIFBU Ul9FUlIoY3MpOwo+Pgo+PiBJcyB0aGUgcmlnaHQgb2YgdGhlIGtlcm5lbCBjb250ZXh0IGxhcmdl IGVub3VnaCB0byBob2xkIHRoZSBNSV9TRElzIGZvcgo+PiBhbGwgdGhlIGNvbnRleHRzPwo+IEF0 IHRoZSBtb21lbnQgd2UgYXJlIHVzaW5nIDkgcmVnaXN0ZXJzLCBhZGQgaW4gc2F5IDEyOCBieXRl cyB0b3BzIGZvcgo+IHRoZSByZXF1ZXN0IG92ZXJoZWFkLCB0aGF0J3MgPDMwMCBieXRlcy4gVGhl IGtlcm5lbCBjb250ZXh0IHVzZXMgNGsKPiByaW5ncywgc28gZW5vdWdoIGZvciBhIGZldyB1cGRh dGVzIGJlZm9yZSB3ZSBoYXZlIHRvIGZsdXNoLiBXZSBtYXkgaGF2ZQo+IHRvIHdhaXQgZm9yIGV4 dGVybmFsIHJpbmdzIHRvIGlkbGUgYW5kIGJlIGludGVycnVwdCAtLSBidXQgdGhhdCdzIHRoZQo+ IHNhbWUgYXMgYmVmb3JlLCBpbmNsdWRpbmcgdGhlIGNoYW5jZSB0aGF0IHdlIG1heSBiZSBpbnRl cnJ1cHRlZCBpbiB0aGUKPiBtaWRkbGUgb2YgY29udmVyc2lvbi4KPgo+IFRoZSB3b3JzdCBjYXNl IGlzIHRoYXQgd2Ugb3ZlcnJ1biB0aGUgcmluZyBhbmQgd2Ugc2hvdWxkIGdldCBhIGp1aWN5Cj4g d2FybmluZyAoR0VNX0JVR19PTiBvciAtRU5PU1BDKSBpbiB0aGF0IGNhc2UuIFdlIGNhbiBpbmNy ZWFzZSB0aGUKPiBrZXJuZWxfY29udGV4dCByaW5nIGlmIHRoYXQncyBhbiBpc3N1ZSBvciBqdXN0 IGZhbGxiYWNrIHRvIHN1YmFsbG9jYXRpbmcKPiBhIGJhdGNoYnVmZmVyIGZvciB0aGUgdXBkYXRl cy4KCgpBaCwgdGhhbmtzLiBJIGRpZG4ndCBub3RpY2UgaXQgd2FzIG9uZSByZXF1ZXN0IHBlciBj b250ZXh0IHRvIHJlY29uZmlndXJlLgoKU3RpbGwgSSB3b3VsZG4ndCB3YW50IHRvIGhhdmUgdGhp cyBmYWlsIHNvbWV3aGF0IHJhbmRvbWx5IGJlY2F1c2UgCnNvbWV0aGluZyBlbHNlIHN0YXllZCBv biB0aGUgSFcganVzdCBhIGJpdCB0b28gbG9uZy4KCgpNYXliZSBjaGVja2luZyB0aGUgYXZhaWxh YmxlIHNwYWNlIGluIHRoZSByaW5nIGluIApnZW44X2NvbmZpZ3VyZV9hbGxfY29udGV4dHMoKSBh bmQgd2FpdCBvbiBsYXN0X3JlcXVlc3QgaWYgdGhlcmUgaXNuJ3QgCmVub3VnaD8KCgotTGlvbmVs CgoKPgo+Pj4gK3N0YXRpYyBpbnQKPj4+ICtnZW44X2VtaXRfb2FfY29uZmlnKHN0cnVjdCBpOTE1 X3JlcXVlc3QgKnJxLAo+Pj4gKyAgICAgICAgICAgICAgICAgc3RydWN0IGludGVsX2NvbnRleHQg KmNlLAo+Pj4gKyAgICAgICAgICAgICAgICAgY29uc3Qgc3RydWN0IGk5MTVfb2FfY29uZmlnICpv YV9jb25maWcsCj4+PiArICAgICAgICAgICAgICAgICBib29sIHNlbGYpCj4+PiArewo+Pj4gKyAg ICAgc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUgPSBycS0+aTkxNTsKPj4+ICsgICAgIC8q IFRoZSBNTUlPIG9mZnNldHMgZm9yIEZsZXggRVUgcmVnaXN0ZXJzIGFyZW4ndCBjb250aWd1b3Vz ICovCj4+PiArICAgICBjb25zdCB1MzIgY3R4X2ZsZXhldTAgPSBpOTE1LT5wZXJmLm9hLmN0eF9m bGV4ZXUwX29mZnNldDsKPj4+ICsjZGVmaW5lIGN0eF9mbGV4ZXVOKE4pIChjdHhfZmxleGV1MCAr IDIgKiAoTikpCj4+PiArICAgICBzdHJ1Y3QgZmxleCByZWdzW10gPSB7Cj4+PiArICAgICAgICAg ICAgIHsKPj4+ICsgICAgICAgICAgICAgICAgICAgICBHRU44X1JfUFdSX0NMS19TVEFURSwKPj4+ ICsgICAgICAgICAgICAgICAgICAgICBDVFhfUl9QV1JfQ0xLX1NUQVRFLAo+Pj4gKyAgICAgICAg ICAgICAgICAgICAgIGludGVsX3NzZXVfbWFrZV9ycGNzKGk5MTUsICZjZS0+c3NldSkKPj4+ICsg ICAgICAgICAgICAgfSwKPj4+ICsgICAgICAgICAgICAgewo+Pj4gKyAgICAgICAgICAgICAgICAg ICAgIEdFTjhfT0FDVFhDT05UUk9MLAo+Pj4gKyAgICAgICAgICAgICAgICAgICAgIGk5MTUtPnBl cmYub2EuY3R4X29hY3R4Y3RybF9vZmZzZXQsCj4+PiArICAgICAgICAgICAgICAgICAgICAgKChp OTE1LT5wZXJmLm9hLnBlcmlvZF9leHBvbmVudCA8PCBHRU44X09BX1RJTUVSX1BFUklPRF9TSElG VCkgfAo+Pj4gKyAgICAgICAgICAgICAgICAgICAgICAoaTkxNS0+cGVyZi5vYS5wZXJpb2RpYyA/ IEdFTjhfT0FfVElNRVJfRU5BQkxFIDogMCkgfAo+Pj4gKyAgICAgICAgICAgICAgICAgICAgICBH RU44X09BX0NPVU5URVJfUkVTVU1FKQo+Pj4gKyAgICAgICAgICAgICB9LAo+Pj4gKyAgICAgICAg ICAgICB7IEVVX1BFUkZfQ05UTDAsIGN0eF9mbGV4ZXVOKDApIH0sCj4+PiArICAgICAgICAgICAg IHsgRVVfUEVSRl9DTlRMMSwgY3R4X2ZsZXhldU4oMSkgfSwKPj4+ICsgICAgICAgICAgICAgeyBF VV9QRVJGX0NOVEwyLCBjdHhfZmxleGV1TigyKSB9LAo+Pj4gKyAgICAgICAgICAgICB7IEVVX1BF UkZfQ05UTDMsIGN0eF9mbGV4ZXVOKDMpIH0sCj4+PiArICAgICAgICAgICAgIHsgRVVfUEVSRl9D TlRMNCwgY3R4X2ZsZXhldU4oNCkgfSwKPj4+ICsgICAgICAgICAgICAgeyBFVV9QRVJGX0NOVEw1 LCBjdHhfZmxleGV1Tig1KSB9LAo+Pj4gKyAgICAgICAgICAgICB7IEVVX1BFUkZfQ05UTDYsIGN0 eF9mbGV4ZXVOKDYpIH0sCj4+PiArICAgICB9Owo+Pj4gKyN1bmRlZiBjdHhfZmxleGV1Tgo+Pj4g KyAgICAgaW50IGk7Cj4+PiArCj4+PiArICAgICBmb3IgKGkgPSAyOyBpIDwgQVJSQVlfU0laRShy ZWdzKTsgaSsrKQo+Pj4gKyAgICAgICAgICAgICByZWdzW2ldLnZhbHVlID0gb2FfY29uZmlnX2Zs ZXhfcmVnKG9hX2NvbmZpZywgcmVnc1tpXS5yZWcpOwo+Pgo+PiBJIGd1ZXNzIHRoaXMgbWFwcGlu ZyBjb3VsZCBiZSBkb25lIG9ubHkgb25jZSBpbgo+PiBnZW44X2NvbmZpZ3VyZV9hbGxfY29udGV4 dHMoKS4KPiBBaCwgaXQncyBqdXN0IGNlLT5zc2V1IGdpdmluZyB0aGUgYXBwZWFyYW5jZSBvZiBp dCBiZWluZyBjb250ZXh0Cj4gc3BlY2lmaWMgOikKPiAtQ2hyaXMKPgoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4