From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH] drm/i915: Wake up all waiters before idling Date: Mon, 06 Mar 2017 12:55:09 +0200 Message-ID: <87varm7jzm.fsf@gaia.fi.intel.com> References: <20170303201455.24202-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7A1C16E143 for ; Mon, 6 Mar 2017 10:57:06 +0000 (UTC) In-Reply-To: <20170303201455.24202-1-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+IHdyaXRlczoKCj4gV2hlbiB3 ZSBpZGxlLCB3ZSB3YWtldXAgdGhlIGZpcnN0IHdhaXRlciAoY2hlY2tpbmcgdG8gc2VlIGlmIGl0 IG1pc3NlZAo+IGFuIGVhcmxpZXIgd2FrZXVwKSBhbmQgZGlzYXJtIHRoZSBicmVhZGNydW1icy4g SG93ZXZlciwgd2Ugbm93IGFzc2VydAo+IHRoYXQgdGhlcmUgYXJlIG5vIHdhaXRlciB3aGVuIHRo ZSBpbnRlcnJ1cHQgaXMgZGlzYWJsZWQsIHRyaWdnZXJpbmcgYW4KPiBhc3NlcnQgaWYgdGhlcmUg d2VyZSBtdWx0aXBsZSB3YWl0ZXJzIHdoZW4gd2UgaWRsZWQuCj4KPiBbICA0MjAuODQyMjc1XSBp bnZhbGlkIG9wY29kZTogMDAwMCBbIzFdIFBSRUVNUFQgU01QCj4gWyAgNDIwLjg0MjI4NV0gTW9k dWxlcyBsaW5rZWQgaW46IHZnZW0gc25kX2hkYV9jb2RlY19yZWFsdGVrIHg4Nl9wa2dfdGVtcF90 aGVybWFsIHNuZF9oZGFfY29kZWNfZ2VuZXJpYyBpbnRlbF9wb3dlcmNsYW1wIGNvcmV0ZW1wIGNy Y3QxMGRpZl9wY2xtdWwgY3JjMzJfcGNsbXVsIGdoYXNoX2NsbXVsbmlfaW50ZWwgc25kX2hkYV9p bnRlbCBzbmRfaGRhX2NvZGVjIHNuZF9od2RlcCBtZWlfbWUgc25kX2hkYV9jb3JlIG1laSBzbmRf cGNtIGxwY19pY2ggaTkxNSByODE2OSBtaWkgcHJpbWVfbnVtYmVycwo+IFsgIDQyMC44NDIzNTdd IENQVTogNCBQSUQ6IDg3MTQgQ29tbToga21zX3BpcGVfY3JjX2JhIFRhaW50ZWQ6IEcgICAgIFUg IFcgICAgICAgNC4xMC4wLUNJLUNJX0RSTV8yMjgwKyAjMQo+IFsgIDQyMC44NDIzNzddIEhhcmR3 YXJlIG5hbWU6IEhld2xldHQtUGFja2FyZCBIUCBQcm8gMzUwMCBTZXJpZXMvMkFCRiwgQklPUyA4 LjExIDEwLzI0LzIwMTIKPiBbICA0MjAuODQyMzk1XSB0YXNrOiBmZmZmODgwMTE3ZGRjZTQwIHRh c2suc3RhY2s6IGZmZmZjOTAwMDExMTQwMDAKPiBbICA0MjAuODQyNDM5XSBSSVA6IDAwMTA6X19p bnRlbF9lbmdpbmVfcmVtb3ZlX3dhaXQrMHgxZjQvMHgyMDAgW2k5MTVdCj4gWyAgNDIwLjg0MjQ1 NF0gUlNQOiAwMDE4OmZmZmZjOTAwMDExMTdiMTggRUZMQUdTOiAwMDAxMDA0Ngo+IFsgIDQyMC44 NDI0NjddIFJBWDogMDAwMDAwMDAwMDAwMDAwMCBSQlg6IGZmZmY4ODAxMGMyNWMyYTggUkNYOiAw MDAwMDAwMDAwMDAwMDAxCj4gWyAgNDIwLjg0MjQ4MV0gUkRYOiAwMDAwMDAwMDAwMDAwMDAxIFJT STogMDAwMDAwMDBmZmZmZmZmZiBSREk6IGZmZmZjOTAwMDExMTdjNTAKPiBbICA0MjAuODQyNDk1 XSBSQlA6IGZmZmZjOTAwMDExMTdiNTggUjA4OiAwMDAwMDAwMDExZTUyMzUyIFIwOTogYzRkMTZh Y2MwMDAwMDAwMAo+IFsgIDQyMC44NDI1MTFdIFIxMDogZmZmZmZmZmY4Mjc4OWViMCBSMTE6IGZm ZmY4ODAxMTdkZGNlNDAgUjEyOiBmZmZmYzkwMDAxMTE3YzUwCj4gWyAgNDIwLjg0MjUyNV0gUjEz OiBmZmZmYzkwMDAxMTE3YzUwIFIxNDogMDAwMDAwMDAwMDAwMDA3OCBSMTU6IDAwMDAwMDAwMDAw MDAwMDAKPiBbICA0MjAuODQyNTQwXSBGUzogIDAwMDA3ZmU0N2RkYTBhNDAoMDAwMCkgR1M6ZmZm Zjg4MDExZmIwMDAwMCgwMDAwKSBrbmxHUzowMDAwMDAwMDAwMDAwMDAwCj4gWyAgNDIwLjg0MjU1 OV0gQ1M6ICAwMDEwIERTOiAwMDAwIEVTOiAwMDAwIENSMDogMDAwMDAwMDA4MDA1MDAzMwo+IFsg IDQyMC44NDI1NzFdIENSMjogMDAwMDdmZDZjMGEyY2VjNCBDUjM6IDAwMDAwMDAxMGE1ZTUwMDAg Q1I0OiAwMDAwMDAwMDAwMTQwNmUwCj4gWyAgNDIwLjg0MjU4Nl0gQ2FsbCBUcmFjZToKPiBbICA0 MjAuODQyNTk1XSAgPyBkb19yYXdfc3Bpbl9sb2NrKzB4YWQvMHhiMAo+IFsgIDQyMC44NDI2MzVd ICBpbnRlbF9lbmdpbmVfcmVtb3ZlX3dhaXQucGFydC4zKzB4MjYvMHg0MCBbaTkxNV0KPiBbICA0 MjAuODQyNjc4XSAgaW50ZWxfZW5naW5lX3JlbW92ZV93YWl0KzB4ZS8weDIwIFtpOTE1XQo+IFsg IDQyMC44NDI3MjFdICBpOTE1X3dhaXRfcmVxdWVzdCsweDRmMC8weDhjMCBbaTkxNV0KPiBbICA0 MjAuODQyNzM2XSAgPyB3YWtlX3VwX3ErMHg3MC8weDcwCj4gWyAgNDIwLjg0Mjc0N10gID8gd2Fr ZV91cF9xKzB4NzAvMHg3MAo+IFsgIDQyMC44NDI3ODddICBpOTE1X2dlbV9vYmplY3Rfd2FpdF9m ZW5jZSsweDdkLzB4MWEwIFtpOTE1XQo+IFsgIDQyMC44NDI4MjldICBpOTE1X2dlbV9vYmplY3Rf d2FpdCsweDMwZC8weDUyMCBbaTkxNV0KPiBbICA0MjAuODQyODQyXSAgPyBfX3RoaXNfY3B1X3By ZWVtcHRfY2hlY2srMHgxMy8weDIwCj4gWyAgNDIwLjg0Mjg4NF0gIGk5MTVfZ2VtX3dhaXRfaW9j dGwrMHgxMmUvMHgyZTAgW2k5MTVdCj4gWyAgNDIwLjg0MjkyNF0gID8gaTkxNV9nZW1fd2FpdF9p b2N0bCsweDIyLzB4MmUwIFtpOTE1XQo+IFsgIDQyMC44NDI5MzldICBkcm1faW9jdGwrMHgyMDAv MHg0NTAKPiBbICA0MjAuODQyOTc2XSAgPyBpOTE1X2dlbV9zZXRfd2VkZ2VkKzB4OTAvMHg5MCBb aTkxNV0KPiBbICA0MjAuODQyOTkzXSAgZG9fdmZzX2lvY3RsKzB4OTAvMHg2ZTAKPiBbICA0MjAu ODQzMDAzXSAgPyBlbnRyeV9TWVNDQUxMXzY0X2Zhc3RwYXRoKzB4NS8weGIxCj4gWyAgNDIwLjg0 MzAxN10gID8gX190aGlzX2NwdV9wcmVlbXB0X2NoZWNrKzB4MTMvMHgyMAo+IFsgIDQyMC44NDMw MzBdICA/IHRyYWNlX2hhcmRpcnFzX29uX2NhbGxlcisweGU3LzB4MjAwCj4gWyAgNDIwLjg0MzA0 Ml0gIFN5U19pb2N0bCsweDNjLzB4NzAKPiBbICA0MjAuODQzMDU0XSAgZW50cnlfU1lTQ0FMTF82 NF9mYXN0cGF0aCsweDFjLzB4YjEKPiBbICA0MjAuODQzMDY1XSBSSVA6IDAwMzM6MHg3ZmU0N2M0 YjkzNTcKPiBbICA0MjAuODQzMDc1XSBSU1A6IDAwMmI6MDAwMDdmZmMzYzA2MzNjOCBFRkxBR1M6 IDAwMDAwMjQ2IE9SSUdfUkFYOiAwMDAwMDAwMDAwMDAwMDEwCj4gWyAgNDIwLjg0MzA5NF0gUkFY OiBmZmZmZmZmZmZmZmZmZmRhIFJCWDogZmZmZmZmZmY4MTQ4MjM5MyBSQ1g6IDAwMDA3ZmU0N2M0 YjkzNTcKPiBbICA0MjAuODQzMTA5XSBSRFg6IDAwMDA3ZmZjM2MwNjM0MDAgUlNJOiAwMDAwMDAw MGMwMTA2NDZjIFJESTogMDAwMDAwMDAwMDAwMDAwNAo+IFsgIDQyMC44NDMxMjNdIFJCUDogZmZm ZmM5MDAwMTExN2Y4OCBSMDg6IDAwMDAwMDAwMDAwMDAwMDggUjA5OiAwMDAwMDAwMDAwMDAwMDAw Cj4gWyAgNDIwLjg0MzEzN10gUjEwOiAwMDAwMDAwMDAwMDAwMDAwIFIxMTogMDAwMDAwMDAwMDAw MDI0NiBSMTI6IDAwMDAwMDAwMDAwMDAwMDAKPiBbICA0MjAuODQzMTUxXSBSMTM6IDAwMDAwMDAw MDAwMDAwMDQgUjE0OiAwMDAwMDAwMGMwMTA2NDZjIFIxNTogMDAwMDAwMDAwMDAwMDAwMAo+IFsg IDQyMC44NDMxNjhdICA/IF9fdGhpc19jcHVfcHJlZW1wdF9jaGVjaysweDEzLzB4MjAKPiBbICA0 MjAuODQzMTgwXSBDb2RlOiA4MSA0OCBjNyBjMSA0MCA2YSAxNiBhMCA0OCBjNyBjMiA0NyAyOSAx NSBhMCBiZSAxNyAwMSAwMCAwMCA0OCBjNyBjNyAxMCA2YSAxNiBhMCBlOCBjNyBlYSBmZSBlMCBl OSA1ZCBmZiBmZiBmZiAwZiAwYiAwZiAwYiAwZiAwYiA8MGY+IDBiIDY2IDJlIDBmIDFmIDg0IDAw IDAwIDAwIDAwIDAwIDU1IDQ4IDg5IGU1IGU4IDY3IDQxIDdlIGUxCj4gWyAgNDIwLjg0MzMyNV0g UklQOiBfX2ludGVsX2VuZ2luZV9yZW1vdmVfd2FpdCsweDFmNC8weDIwMCBbaTkxNV0gUlNQOiBm ZmZmYzkwMDAxMTE3YjE4Cj4KPiBGaXhlczogYjY2MjU1ZjBmNzc5ICgiZHJtL2k5MTU6IFJlZmFj dG9yIHdha2V1cCBvZiB0aGUgbmV4dCBicmVhZGNydW1iIHdhaXRlciIpCj4gRml4ZXM6IDY3Yjgw N2E4OTIzMCAoImRybS9pOTE1OiBEZWxheSBkaXNhYmxpbmcgdGhlIHVzZXIgaW50ZXJydXB0IGZv ciBicmVhZGNydW1icyIpCj4gU2lnbmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJp cy13aWxzb24uY28udWs+CgpSZXZpZXdlZC1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFs YUBpbnRlbC5jb20+Cgo+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNv bT4KPiBDYzogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPiAtLS0K PiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYnJlYWRjcnVtYnMuYyB8IDE5ICsrKysrKysr KysrKystLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEzIGluc2VydGlvbnMoKyksIDYgZGVsZXRp b25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfYnJlYWRj cnVtYnMuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2JyZWFkY3J1bWJzLmMKPiBpbmRl eCA2MDMyZDJhOTM3ZDUuLjEwNWU0NjNiYjdlNiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9icmVhZGNydW1icy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfYnJlYWRjcnVtYnMuYwo+IEBAIC0xNjcsNiArMTY3LDcgQEAgdm9pZCBfX2ludGVsX2Vu Z2luZV9kaXNhcm1fYnJlYWRjcnVtYnMoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQo+ ICAJc3RydWN0IGludGVsX2JyZWFkY3J1bWJzICpiID0gJmVuZ2luZS0+YnJlYWRjcnVtYnM7Cj4g IAo+ICAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmYi0+aXJxX2xvY2spOwo+ICsJR0VNX0JVR19PTihi LT5pcnFfd2FpdCk7Cj4gIAo+ICAJaWYgKGItPmlycV9lbmFibGVkKSB7Cj4gIAkJaXJxX2Rpc2Fi bGUoZW5naW5lKTsKPiBAQCAtMTc5LDIzICsxODAsMjkgQEAgdm9pZCBfX2ludGVsX2VuZ2luZV9k aXNhcm1fYnJlYWRjcnVtYnMoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQo+ICB2b2lk IGludGVsX2VuZ2luZV9kaXNhcm1fYnJlYWRjcnVtYnMoc3RydWN0IGludGVsX2VuZ2luZV9jcyAq ZW5naW5lKQo+ICB7Cj4gIAlzdHJ1Y3QgaW50ZWxfYnJlYWRjcnVtYnMgKmIgPSAmZW5naW5lLT5i cmVhZGNydW1iczsKPiAtCXVuc2lnbmVkIGxvbmcgZmxhZ3M7Cj4gKwlzdHJ1Y3QgaW50ZWxfd2Fp dCAqd2FpdCwgKm47Cj4gIAo+ICAJaWYgKCFiLT5pcnFfYXJtZWQpCj4gIAkJcmV0dXJuOwo+ICAK PiAtCXNwaW5fbG9ja19pcnFzYXZlKCZiLT5pcnFfbG9jaywgZmxhZ3MpOwo+IC0KPiAgCS8qIFdl IG9ubHkgZGlzYXJtIHRoZSBpcnEgd2hlbiB3ZSBhcmUgaWRsZSAoYWxsIHJlcXVlc3RzIGNvbXBs ZXRlZCksCj4gIAkgKiBzbyBpZiB0aGVyZSByZW1haW5zIGEgc2xlZXBpbmcgd2FpdGVyLCBpdCBt aXNzZWQgdGhlIHJlcXVlc3QKPiAgCSAqIGNvbXBsZXRpb24uCj4gIAkgKi8KPiAtCWlmIChfX2lu dGVsX2JyZWFkY3J1bWJzX3dha2V1cChiKSAmIEVOR0lORV9XQUtFVVBfQVNMRUVQKQo+IC0JCW1p c3NlZF9icmVhZGNydW1iKGVuZ2luZSk7Cj4gIAo+ICsJc3Bpbl9sb2NrX2lycSgmYi0+cmJfbG9j ayk7Cj4gKwlyYnRyZWVfcG9zdG9yZGVyX2Zvcl9lYWNoX2VudHJ5X3NhZmUod2FpdCwgbiwgJmIt PndhaXRlcnMsIG5vZGUpIHsKPiArCQlSQl9DTEVBUl9OT0RFKCZ3YWl0LT5ub2RlKTsKPiArCQlp ZiAod2FrZV91cF9wcm9jZXNzKHdhaXQtPnRzaykgJiYgd2FpdCA9PSBiLT5pcnFfd2FpdCkKPiAr CQkJbWlzc2VkX2JyZWFkY3J1bWIoZW5naW5lKTsKPiArCX0KPiArCj4gKwlzcGluX2xvY2soJmIt PmlycV9sb2NrKTsKPiArCWItPmlycV93YWl0ID0gTlVMTDsKPiAgCV9faW50ZWxfZW5naW5lX2Rp c2FybV9icmVhZGNydW1icyhlbmdpbmUpOwo+ICsJc3Bpbl91bmxvY2soJmItPmlycV9sb2NrKTsK PiAgCj4gLQlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZiLT5pcnFfbG9jaywgZmxhZ3MpOwo+ICsJ c3Bpbl91bmxvY2tfaXJxKCZiLT5yYl9sb2NrKTsKPiAgfQo+ICAKPiAgc3RhdGljIGJvb2wgdXNl X2Zha2VfaXJxKGNvbnN0IHN0cnVjdCBpbnRlbF9icmVhZGNydW1icyAqYikKPiAtLSAKPiAyLjEx LjAKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwt Z2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==