From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [PATCH igt] lib: Ask the kernel to quiesce the GPU Date: Mon, 11 Dec 2017 11:38:22 +0000 Message-ID: <20171211113822.2399-1-chris@chris-wilson.co.uk> References: <20171208192624.24534-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0CEA688C5A for ; Mon, 11 Dec 2017 11:38:29 +0000 (UTC) In-Reply-To: <20171208192624.24534-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org U2luY2UgdGhlIGludHJvZHVjdGlvbiBvZiBkZWJ1Z2ZzL2k5MTVfZHJvcF9jYWNoZXMsIHdlIGhh dmUgb2ZmZXJlZCB0aGUKYWJpbGl0eSB0byB3YWl0IHVwb24gYWxsIG91dHN0YW5kaW5nIGJhdGNo ZXMuIFRoaXMgaXMgbW9yZSBlZmZpY2llbnQgYW5kCmxlc3MgZXJyb3IgcHJvbmUgKG9uZSBleGFt cGxlIGlzIHRoZSB1c2Ugb2YgY29udGV4dCBwcmlvcml0aWVzLCB3ZSBoYXZlCnRvIGlkbGUgYXQg dGhlIGxvd2VzdCBpbiBvcmRlciBub3QgdG8ganVtcCBvdmVyIGFueSBsb3cgcHJpb3JpdHkgdGFz a3MKd2Ugd2FudCB0byB3YWl0IHVwb24pIHRoYW4gdHJ5aW5nIHRvIGRvIGl0IGFsbCBpbiB1c2Vy c3BhY2UuIFRob3VnaCB3ZQpjb3VsZCBpZiB3ZSB3YW50ZWQgdG8sIGl0J3MganVzdCBlYXNpZXIg dG8gdXNlIHRoZSBleGlzdGluZyBmYWNpbGl0eQpkZXNpZ25lZCBmb3IgdGhlIHB1cnBvc2UgLS0g dGhhdCB3ZSB3ZXJlIGFscmVhZHkgcGFydGlhbGx5IHVzaW5nIQoKTm90ZSB0aGF0IGRlYnVnZnMv aTkxNV9kcm9wX2NhY2hlcyBoYXMgb25seSBleGlzdGVkIHNpbmNlIHY0LjIuCgpTaWduZWQtb2Zm LWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KUmV2aWV3ZWQtYnk6 IEpvb25hcyBMYWh0aW5lbiA8am9vbmFzLmxhaHRpbmVuQGxpbnV4LmludGVsLmNvbT4KUmV2aWV3 ZWQtYnk6IFBldHJpIExhdHZhbGEgPHBldHJpLmxhdHZhbGFAaW50ZWwuY29tPgotLS0KIGxpYi9k cm10ZXN0LmMgfCAyOSArKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5n ZWQsIDIgaW5zZXJ0aW9ucygrKSwgMjcgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvbGliL2Ry bXRlc3QuYyBiL2xpYi9kcm10ZXN0LmMKaW5kZXggYjJkODE1MGY0Li5mZDExZjVmNTggMTAwNjQ0 Ci0tLSBhL2xpYi9kcm10ZXN0LmMKKysrIGIvbGliL2RybXRlc3QuYwpAQCAtMTYxLDM1ICsxNjEs MTAgQEAgc3RhdGljIGJvb2wgaGFzX2tub3duX2ludGVsX2NoaXBzZXQoaW50IGZkKQogICovCiB2 b2lkIGdlbV9xdWllc2NlbnRfZ3B1KGludCBmZCkKIHsKLQl1aW50MzJfdCBiYmUgPSBNSV9CQVRD SF9CVUZGRVJfRU5EOwotCXN0cnVjdCBkcm1faTkxNV9nZW1fZXhlY2J1ZmZlcjIgZXhlY2J1ZjsK LQlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX2V4ZWNfb2JqZWN0MiBvYmo7Ci0JdW5zaWduZWQgcmluZzsK LQogCWlndF90ZXJtaW5hdGVfc3Bpbl9iYXRjaGVzKCk7CiAKLQltZW1zZXQoJm9iaiwgMCwgc2l6 ZW9mKG9iaikpOwotCW9iai5oYW5kbGUgPSBnZW1fY3JlYXRlKGZkLCA0MDk2KTsKLQlnZW1fd3Jp dGUoZmQsIG9iai5oYW5kbGUsIDAsICZiYmUsIHNpemVvZigmYmJlKSk7Ci0KLQltZW1zZXQoJmV4 ZWNidWYsIDAsIHNpemVvZihleGVjYnVmKSk7Ci0JZXhlY2J1Zi5idWZmZXJzX3B0ciA9IHRvX3Vz ZXJfcG9pbnRlcigmb2JqKTsKLQlleGVjYnVmLmJ1ZmZlcl9jb3VudCA9IDE7Ci0KLQlmb3IgKHJp bmcgPSAwOyByaW5nIDwgMTw8NjsgcmluZysrKSB7Ci0JCWV4ZWNidWYuZmxhZ3MgPSByaW5nOwot CQlfX2dlbV9leGVjYnVmKGZkLCAmZXhlY2J1Zik7Ci0JfQotCi0JaWYgKGdlbV9oYXNfYnNkMihm ZCkpIHsKLQkJZXhlY2J1Zi5mbGFncyA9IEk5MTVfRVhFQ19CU0QgfCAoMiA8PCAxMyk7Ci0JCV9f Z2VtX2V4ZWNidWYoZmQsICZleGVjYnVmKTsKLQl9Ci0KLQlnZW1fc3luYyhmZCwgb2JqLmhhbmRs ZSk7Ci0JZ2VtX2Nsb3NlKGZkLCBvYmouaGFuZGxlKTsKLQotCWlndF9kcm9wX2NhY2hlc19zZXQo ZmQsIERST1BfUkVUSVJFIHwgRFJPUF9JRExFIHwgRFJPUF9GUkVFRCk7CisJaWd0X2Ryb3BfY2Fj aGVzX3NldChmZCwKKwkJCSAgICBEUk9QX0FDVElWRSB8IERST1BfUkVUSVJFIHwgRFJPUF9JRExF IHwgRFJPUF9GUkVFRCk7CiB9CiAKIC8qKgotLSAKMi4xNS4xCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK