From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 1/3] drm/i915: Stop holding a ref to the ppgtt from each vma Date: Thu, 16 Aug 2018 14:42:08 +0300 Message-ID: <87d0uiilm7.fsf@gaia.fi.intel.com> References: <20180816073448.19396-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7E32F6E182 for ; Thu, 16 Aug 2018 11:43:41 +0000 (UTC) In-Reply-To: <20180816073448.19396-1-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 Cc: Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gVGhlIGNv bnRleHQgb3ducyBib3RoIHRoZSBwcGd0dCBhbmQgdGhlIHZtYSB3aXRoaW4gaXQsIGFuZCBvdXIg YWN0aXZpdHkKPiB0cmFja2luZyBvbiB0aGUgY29udGV4dCBlbnN1cmVzIHRoYXQgd2UgZG8gbm90 IHJlbGVhc2UgYWN0aXZlIHBwZ3R0LiBBcwo+IHRoZSBjb250ZXh0IGZ1bGZpbHMgb3VyIG9ibGln YXRpb25zIGZvciBhY3RpdmUgbWVtb3J5IHRyYWNraW5nLCB3ZSBjYW4KPiByZWxpbnF1aXNoIHRo ZSByZWZlcmVuY2UgZnJvbSB0aGUgdm1hLgo+CgpUaGUgcGFydCBvZiBvd25pbmcgdGhlIHZtYSB3 aXRoaW4gaXQgZXNjYXBlcyBtZS4gVGhlIHZtYSBpcyB0aWVkCnRvIHRoZSBvYmplY3QuIElzIGl0 IGFib3V0IHRoYXQgYWN0aXZlIG9iamVjdHMsIHdpdGggdGhlaXIgdm1hcwpob2xkIHRoZSByZWZz IHRvIHRoZSBjb250ZXh0IHRoZXkgYXJlIGV4ZWN1dGluZyBvbj8KCj4gVGhpcyBmaXhlcyBhIHNp bGx5IHRyYW5zaWVudCByZWZsZWFrIGZyb20gY2xvc2VkIHZtYSBiZWluZyBrZXB0IGFsaXZlCj4g dW50aWwgdGhlIGVudGlyZSBzeXN0ZW0gd2FzIGlkbGUsIGtlZXBpbmcgYWxsIHZtIGFsaXZlIGFz IHdlbGwuCj4KPiBSZXBvcnRlZC1ieTogUGF1bG8gWmFub25pIDxwYXVsby5yLnphbm9uaUBpbnRl bC5jb20+Cj4gVGVzdGNhc2U6IGlndC9nZW1fY3R4X2NyZWF0ZS9maWxlcwo+IEZpeGVzOiAzMzY1 ZTIyNjhiNmIgKCJkcm0vaTkxNTogTGF6aWx5IHVuYmluZCB2bWEgb24gY2xvc2UiKQo+IFNpZ25l ZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBU dnJ0a28gVXJzdWxpbiA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgo+IENjOiBQYXVsbyBaYW5v bmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV92bWEuYyB8IDQgLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgNCBkZWxldGlvbnMoLSkK Pgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3ZtYS5jIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV92bWEuYwo+IGluZGV4IDI3NGZkMmE3YmNiNi4uMzFlZmM5NzFh M2E4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfdm1hLmMKPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3ZtYS5jCj4gQEAgLTE5OSw3ICsxOTksNiBAQCB2 bWFfY3JlYXRlKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCj4gIAkJdm1hLT5mbGFn cyB8PSBJOTE1X1ZNQV9HR1RUOwo+ICAJCWxpc3RfYWRkKCZ2bWEtPm9ial9saW5rLCAmb2JqLT52 bWFfbGlzdCk7Cj4gIAl9IGVsc2Ugewo+IC0JCWk5MTVfcHBndHRfZ2V0KGk5MTVfdm1fdG9fcHBn dHQodm0pKTsKCkl0IHNlZW1zIHRoaXMgaXMgdGhlIHNvbGUgdXNlciBvZiBpOTE1X3BwZ3R0X2dl dCBzbyB5b3UgY2FuCnJlbW92ZSB0aGF0IHRvby4KCi1NaWthCgoKPiAgCQlsaXN0X2FkZF90YWls KCZ2bWEtPm9ial9saW5rLCAmb2JqLT52bWFfbGlzdCk7Cj4gIAl9Cj4gIAo+IEBAIC04MTAsOSAr ODA5LDYgQEAgc3RhdGljIHZvaWQgX19pOTE1X3ZtYV9kZXN0cm95KHN0cnVjdCBpOTE1X3ZtYSAq dm1hKQo+ICAJaWYgKHZtYS0+b2JqKQo+ICAJCXJiX2VyYXNlKCZ2bWEtPm9ial9ub2RlLCAmdm1h LT5vYmotPnZtYV90cmVlKTsKPiAgCj4gLQlpZiAoIWk5MTVfdm1hX2lzX2dndHQodm1hKSkKPiAt CQlpOTE1X3BwZ3R0X3B1dChpOTE1X3ZtX3RvX3BwZ3R0KHZtYS0+dm0pKTsKPiAtCj4gIAlyYnRy ZWVfcG9zdG9yZGVyX2Zvcl9lYWNoX2VudHJ5X3NhZmUoaXRlciwgbiwgJnZtYS0+YWN0aXZlLCBu b2RlKSB7Cj4gIAkJR0VNX0JVR19PTihpOTE1X2dlbV9hY3RpdmVfaXNzZXQoJml0ZXItPmJhc2Up KTsKPiAgCQlrZnJlZShpdGVyKTsKPiAtLSAKPiAyLjE4LjAKPgo+IF9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+ IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK