From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 01/26] drm/i915: Keep engine alive as we retire the context Date: Tue, 18 Jun 2019 16:45:45 +0300 Message-ID: <87wohj6m7q.fsf@gaia.fi.intel.com> References: <20190618074153.16055-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 121226E176 for ; Tue, 18 Jun 2019 13:45:54 +0000 (UTC) In-Reply-To: <20190618074153.16055-1-chris@chris-wilson.co.uk> 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 Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gVGhvdWdo IHdlIHBpbiB0aGUgY29udGV4dCBmaXJzdCBiZWZvcmUgdGFraW5nIHRoZSBwbSB3YWtlcmVmLCBk dXJpbmcKPiByZXRpcmUgd2UgbmVlZCB0byB1bnBpbiBiZWZvcmUgZHJvcHBpbmcgdGhlIHBtIHdh a2VyZWYgKGJyZWFraW5nIHRoZQo+ICJuYXR1cmFsIiBvbmlvbikuIER1cmluZyB0aGUgdW5waW4s IHdlIG1heSBuZWVkIHRvIGF0dGFjaCBhIGNsZWFudXAKPiBvcGVyYXRpb24gb24gdG8gdGhlIGVu Z2luZSB3YWtlcmVmLCBlcmdvIHdlIHdhbnQgdG8ga2VlcCB0aGUgZW5naW5lCj4gYXdha2UgdW50 aWwgYWZ0ZXIgdGhlIHVucGluLgo+Cj4gdjI6IFB1c2ggdGhlIGVuZ2luZSB3YWtlcmVmIGludG8g dGhlIGJhcnJpZXIgc28gd2Uga2VlcCB0aGUgb25pb24gdW53aW5kCj4gb3JkZXJpbmcgaW4gdGhl IHJlcXVlc3QgaXRzZWxmCj4KPiBGaXhlczogY2U0NzZjODBiOGJmICgiZHJtL2k5MTU6IEtlZXAg Y29udGV4dHMgcGlubmVkIHVudGlsIGFmdGVyIHRoZSBuZXh0IGtlcm5lbCBjb250ZXh0IHN3aXRj aCIpCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+Cj4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFAbGludXguaW50ZWwuY29tPgo+ IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2FjdGl2ZS5jIHwgMjIgKysrKysrKysr KysrKysrKysrKystLQo+ICAxIGZpbGUgY2hhbmdlZCwgMjAgaW5zZXJ0aW9ucygrKSwgMiBkZWxl dGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2FjdGl2 ZS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9hY3RpdmUuYwo+IGluZGV4IDJkMDE5YWM2 ZGIyMC4uNDFlZDI3OTg2ODdkIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfYWN0aXZlLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2FjdGl2ZS5jCj4g QEAgLTQsNiArNCw4IEBACj4gICAqIENvcHlyaWdodCDCqSAyMDE5IEludGVsIENvcnBvcmF0aW9u Cj4gICAqLwo+ICAKPiArI2luY2x1ZGUgImd0L2ludGVsX2VuZ2luZV9wbS5oIgo+ICsKPiAgI2lu Y2x1ZGUgImk5MTVfZHJ2LmgiCj4gICNpbmNsdWRlICJpOTE1X2FjdGl2ZS5oIgo+ICAjaW5jbHVk ZSAiaTkxNV9nbG9iYWxzLmgiCj4gQEAgLTI2OCw4ICsyNzAsOSBAQCBpbnQgaTkxNV9hY3RpdmVf YWNxdWlyZV9wcmVhbGxvY2F0ZV9iYXJyaWVyKHN0cnVjdCBpOTE1X2FjdGl2ZSAqcmVmLAo+ICAJ CQkJCSAgICBzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmUpCj4gIHsKPiAgCXN0cnVjdCBk cm1faTkxNV9wcml2YXRlICppOTE1ID0gZW5naW5lLT5pOTE1Owo+ICsJc3RydWN0IGxsaXN0X25v ZGUgKnBvcywgKm5leHQ7Cj4gIAl1bnNpZ25lZCBsb25nIHRtcDsKPiAtCWludCBlcnIgPSAwOwo+ ICsJaW50IGVycjsKPiAgCj4gIAlHRU1fQlVHX09OKCFlbmdpbmUtPm1hc2spOwo+ICAJZm9yX2Vh Y2hfZW5naW5lX21hc2tlZChlbmdpbmUsIGk5MTUsIGVuZ2luZS0+bWFzaywgdG1wKSB7Cj4gQEAg LTI3OSw3ICsyODIsNyBAQCBpbnQgaTkxNV9hY3RpdmVfYWNxdWlyZV9wcmVhbGxvY2F0ZV9iYXJy aWVyKHN0cnVjdCBpOTE1X2FjdGl2ZSAqcmVmLAo+ICAJCW5vZGUgPSBrbWVtX2NhY2hlX2FsbG9j KGdsb2JhbC5zbGFiX2NhY2hlLCBHRlBfS0VSTkVMKTsKPiAgCQlpZiAodW5saWtlbHkoIW5vZGUp KSB7Cj4gIAkJCWVyciA9IC1FTk9NRU07Cj4gLQkJCWJyZWFrOwo+ICsJCQlnb3RvIHVud2luZDsK PiAgCQl9Cj4gIAo+ICAJCWk5MTVfYWN0aXZlX3JlcXVlc3RfaW5pdCgmbm9kZS0+YmFzZSwKPiBA QCAtMjg4LDEwICsyOTEsMjQgQEAgaW50IGk5MTVfYWN0aXZlX2FjcXVpcmVfcHJlYWxsb2NhdGVf YmFycmllcihzdHJ1Y3QgaTkxNV9hY3RpdmUgKnJlZiwKPiAgCQlub2RlLT5yZWYgPSByZWY7Cj4g IAkJcmVmLT5jb3VudCsrOwo+ICAKPiArCQlpbnRlbF9lbmdpbmVfcG1fZ2V0KGVuZ2luZSk7Cj4g IAkJbGxpc3RfYWRkKChzdHJ1Y3QgbGxpc3Rfbm9kZSAqKSZub2RlLT5iYXNlLmxpbmssCj4gIAkJ CSAgJnJlZi0+YmFycmllcnMpOwo+ICAJfQo+ICAKPiArCXJldHVybiAwOwo+ICsKPiArdW53aW5k Ogo+ICsJbGxpc3RfZm9yX2VhY2hfc2FmZShwb3MsIG5leHQsIGxsaXN0X2RlbF9hbGwoJnJlZi0+ YmFycmllcnMpKSB7Cj4gKwkJc3RydWN0IGFjdGl2ZV9ub2RlICpub2RlOwo+ICsKPiArCQlub2Rl ID0gY29udGFpbmVyX29mKChzdHJ1Y3QgbGlzdF9oZWFkICopcG9zLAo+ICsJCQkJICAgIHR5cGVv Zigqbm9kZSksIGJhc2UubGluayk7Cj4gKwkJZW5naW5lID0gKHZvaWQgKilyY3VfYWNjZXNzX3Bv aW50ZXIobm9kZS0+YmFzZS5yZXF1ZXN0KTsKPiArCj4gKwkJaW50ZWxfZW5naW5lX3BtX3B1dChl bmdpbmUpOwo+ICsJCWtmcmVlKG5vZGUpOwo+ICsJfQo+ICAJcmV0dXJuIGVycjsKPiAgfQo+ICAK PiBAQCAtMzI4LDYgKzM0NSw3IEBAIHZvaWQgaTkxNV9hY3RpdmVfYWNxdWlyZV9iYXJyaWVyKHN0 cnVjdCBpOTE1X2FjdGl2ZSAqcmVmKQo+ICAKPiAgCQlsbGlzdF9hZGQoKHN0cnVjdCBsbGlzdF9u b2RlICopJm5vZGUtPmJhc2UubGluaywKPiAgCQkJICAmZW5naW5lLT5iYXJyaWVyX3Rhc2tzKTsK PiArCQlpbnRlbF9lbmdpbmVfcG1fcHV0KGVuZ2luZSk7CgpCdXQgeW91IHNhaWQgdGhhdCB5b3Ug a2VlcCB0aGUgd2FrZXJlZiB1bnRpbCB1bnBpbj8KLU1pa2EKCgo+ICAJfQo+ICAJaTkxNV9hY3Rp dmVfcmVsZWFzZShyZWYpOwo+ICB9Cj4gLS0gCj4gMi4yMC4xCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==