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: Thu, 12 Oct 2017 21:54:42 +0100 Message-ID: <20171012205442.27049-1-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 107486E96D for ; Thu, 12 Oct 2017 20:54:50 +0000 (UTC) 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 ZWQtYnk6IFBldHJpIExhdHZhbGEgPHBldHJpLmxhdHZhbGFAaW50ZWwuY29tPgotLS0KCkp1c3Qg YW5vdGhlciBwaW5nIHRvIHNlZSBpZiB3ZSBjYW4gd29yayB3aGF0cyBnb2luZyBvbiB3aXRoIHBu di1kNTEwLgotQ2hyaXMKCi0tCiBsaWIvZHJtdGVzdC5jIHwgMjggKy0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAyNyBkZWxldGlvbnMo LSkKCmRpZmYgLS1naXQgYS9saWIvZHJtdGVzdC5jIGIvbGliL2RybXRlc3QuYwppbmRleCA4YTA3 MTUyYy4uNGFlMDIzZDcgMTAwNjQ0Ci0tLSBhL2xpYi9kcm10ZXN0LmMKKysrIGIvbGliL2RybXRl c3QuYwpAQCAtMTU5LDM1ICsxNTksOSBAQCBzdGF0aWMgYm9vbCBoYXNfa25vd25faW50ZWxfY2hp cHNldChpbnQgZmQpCiAgKi8KIHZvaWQgZ2VtX3F1aWVzY2VudF9ncHUoaW50IGZkKQogewotCXVp bnQzMl90IGJiZSA9IE1JX0JBVENIX0JVRkZFUl9FTkQ7Ci0Jc3RydWN0IGRybV9pOTE1X2dlbV9l eGVjYnVmZmVyMiBleGVjYnVmOwotCXN0cnVjdCBkcm1faTkxNV9nZW1fZXhlY19vYmplY3QyIG9i ajsKLQl1bnNpZ25lZCByaW5nOwotCiAJaWd0X3Rlcm1pbmF0ZV9zcGluX2JhdGNoZXMoKTsKIAot CW1lbXNldCgmb2JqLCAwLCBzaXplb2Yob2JqKSk7Ci0Jb2JqLmhhbmRsZSA9IGdlbV9jcmVhdGUo ZmQsIDQwOTYpOwotCWdlbV93cml0ZShmZCwgb2JqLmhhbmRsZSwgMCwgJmJiZSwgc2l6ZW9mKCZi YmUpKTsKLQotCW1lbXNldCgmZXhlY2J1ZiwgMCwgc2l6ZW9mKGV4ZWNidWYpKTsKLQlleGVjYnVm LmJ1ZmZlcnNfcHRyID0gdG9fdXNlcl9wb2ludGVyKCZvYmopOwotCWV4ZWNidWYuYnVmZmVyX2Nv dW50ID0gMTsKLQotCWZvciAocmluZyA9IDA7IHJpbmcgPCAxPDw2OyByaW5nKyspIHsKLQkJZXhl Y2J1Zi5mbGFncyA9IHJpbmc7Ci0JCV9fZ2VtX2V4ZWNidWYoZmQsICZleGVjYnVmKTsKLQl9Ci0K LQlpZiAoZ2VtX2hhc19ic2QyKGZkKSkgewotCQlleGVjYnVmLmZsYWdzID0gSTkxNV9FWEVDX0JT RCB8ICgyIDw8IDEzKTsKLQkJX19nZW1fZXhlY2J1ZihmZCwgJmV4ZWNidWYpOwotCX0KLQotCWdl bV9zeW5jKGZkLCBvYmouaGFuZGxlKTsKLQlnZW1fY2xvc2UoZmQsIG9iai5oYW5kbGUpOwotCi0J aWd0X2Ryb3BfY2FjaGVzX3NldChmZCwgRFJPUF9SRVRJUkUgfCBEUk9QX0ZSRUVEKTsKKwlpZ3Rf ZHJvcF9jYWNoZXNfc2V0KGZkLCBEUk9QX0FDVElWRSB8IERST1BfUkVUSVJFIHwgRFJPUF9GUkVF RCk7CiB9CiAKIC8qKgotLSAKMi4xNS4wLnJjMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==