From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 02/20] drm/i915: Delay queuing hangcheck to wait-request Date: Fri, 1 Jul 2016 16:32:16 +0100 Message-ID: <57768D00.3030100@linux.intel.com> References: <1467372140-30422-1-git-send-email-chris@chris-wilson.co.uk> <1467372140-30422-3-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id C747C6E1C1 for ; Fri, 1 Jul 2016 15:32:18 +0000 (UTC) In-Reply-To: <1467372140-30422-3-git-send-email-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 Ck9uIDAxLzA3LzE2IDEyOjIyLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gV2UgY2FuIGZvcmdvIHF1 ZXVpbmcgdGhlIGhhbmdjaGVjayBmcm9tIHRoZSBzdGFydCBvZiBldmVyeSByZXF1ZXN0IHRvCj4g dW50aWwgd2Ugd2FpdCB1cG9uIGEgcmVxdWVzdC4gVGhpcyByZWR1Y2VzIHRoZSBvdmVyaGVhZCBv ZiBldmVyeQo+IHJlcXVlc3QsIGJ1dCBtYXkgaW5jcmVhc2UgdGhlIGxhdGVuY3kgb2YgZGV0ZWN0 aW5nIGEgaGFuZy4gSG93ZWV2ZXIsIGlmCj4gbm90aGluZyBldmVyeSB3YWl0cyB1cG9uIGEgaGFu ZywgZGlkIGl0IGV2ZXIgaGFuZz8gSXQgYWxzbyBpbXByb3ZlcyB0aGUKPiByb2J1c3RuZXNzIG9m IHRoZSB3YWl0LXJlcXVlc3QgYnkgZW5zdXJpbmcgdGhhdCB0aGUgaGFuZ2NoZWNrZXIgaXMKPiBp bmRlZWQgcnVubmluZyBiZWZvcmUgd2Ugc2xlZXAgaW5kZWZpbml0ZWx5IChhbmQgdGhlcmVieSBl bnN1cmluZyB0aGF0Cj4gd2UgbmV2ZXIgYWN0dWFsbHkgc2xlZXAgZm9yZXZlciB3YWl0aW5nIGZv ciBhIGRlYWQgR1BVKS4KPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hy aXMtd2lsc29uLmNvLnVrPgo+IC0tLQo+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0u YyB8ICA5ICsrKysrLS0tLQo+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYyB8IDEw ICsrKystLS0tLS0KPiAgIDIgZmlsZXMgY2hhbmdlZCwgOSBpbnNlcnRpb25zKCspLCAxMCBkZWxl dGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5j IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IGluZGV4IDFkOTg3ODI1ODEwMy4u MzRmNzI0Y2M0MGI4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2Vt LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gQEAgLTE1MzIsNiAr MTUzMiw5IEBAIGludCBfX2k5MTVfd2FpdF9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9nZW1fcmVx dWVzdCAqcmVxLAo+ICAgCQkJYnJlYWs7Cj4gICAJCX0KPgo+ICsJCS8qIEVuc3VyZSB0aGF0IGV2 ZW4gaWYgdGhlIEdQVSBoYW5ncywgd2UgZ2V0IHdva2VuIHVwLiAqLwo+ICsJCWk5MTVfcXVldWVf aGFuZ2NoZWNrKGRldl9wcml2KTsKPiArCj4gICAJCXRpbWVyLmZ1bmN0aW9uID0gTlVMTDsKPiAg IAkJaWYgKHRpbWVvdXQgfHwgbWlzc2VkX2lycShkZXZfcHJpdiwgZW5naW5lKSkgewo+ICAgCQkJ dW5zaWduZWQgbG9uZyBleHBpcmU7Cj4gQEAgLTI5MTksOCArMjkyMiw2IEBAIHZvaWQgX19pOTE1 X2FkZF9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcmVxdWVzdCwKPiAgIAkv KiBOb3QgYWxsb3dlZCB0byBmYWlsISAqLwo+ICAgCVdBUk4ocmV0LCAiZW1pdHxhZGRfcmVxdWVz dCBmYWlsZWQ6ICVkIVxuIiwgcmV0KTsKPgo+IC0JaTkxNV9xdWV1ZV9oYW5nY2hlY2soZW5naW5l LT5pOTE1KTsKPiAtCj4gICAJcXVldWVfZGVsYXllZF93b3JrKGRldl9wcml2LT53cSwKPiAgIAkJ CSAgICZkZXZfcHJpdi0+bW0ucmV0aXJlX3dvcmssCj4gICAJCQkgICByb3VuZF9qaWZmaWVzX3Vw X3JlbGF0aXZlKEhaKSk7Cj4gQEAgLTMyNjQsOCArMzI2NSw4IEBAIGk5MTVfZ2VtX3JldGlyZV9y ZXF1ZXN0cyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4KPiAgIAlpZiAoaWRs ZSkKPiAgIAkJbW9kX2RlbGF5ZWRfd29yayhkZXZfcHJpdi0+d3EsCj4gLQkJCQkgICAmZGV2X3By aXYtPm1tLmlkbGVfd29yaywKPiAtCQkJCSAgIG1zZWNzX3RvX2ppZmZpZXMoMTAwKSk7Cj4gKwkJ CQkgJmRldl9wcml2LT5tbS5pZGxlX3dvcmssCj4gKwkJCQkgbXNlY3NfdG9famlmZmllcygxMDAp KTsKPgo+ICAgCXJldHVybiBpZGxlOwo+ICAgfQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2lycS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+IGlu ZGV4IDQzNzhhNjU5ZDk2Mi4uNTYxNDU4MmNhMjQwIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfaXJxLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2ly cS5jCj4gQEAgLTMxMzUsMTAgKzMxMzUsMTAgQEAgc3RhdGljIHZvaWQgaTkxNV9oYW5nY2hlY2tf ZWxhcHNlZChzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4gICAJaW50ZWxfdW5jb3JlX2FybV91 bmNsYWltZWRfbW1pb19kZXRlY3Rpb24oZGV2X3ByaXYpOwo+Cj4gICAJZm9yX2VhY2hfZW5naW5l X2lkKGVuZ2luZSwgZGV2X3ByaXYsIGlkKSB7Cj4gKwkJYm9vbCBidXN5ID0gd2FpdHF1ZXVlX2Fj dGl2ZSgmZW5naW5lLT5pcnFfcXVldWUpOwo+ICAgCQl1NjQgYWN0aGQ7Cj4gICAJCXUzMiBzZXFu bzsKPiAgIAkJdW5zaWduZWQgdXNlcl9pbnRlcnJ1cHRzOwo+IC0JCWJvb2wgYnVzeSA9IHRydWU7 Cj4KPiAgIAkJc2VtYXBob3JlX2NsZWFyX2RlYWRsb2NrcyhkZXZfcHJpdik7Cj4KPiBAQCAtMzE2 MSwxMiArMzE2MSwxMSBAQCBzdGF0aWMgdm9pZCBpOTE1X2hhbmdjaGVja19lbGFwc2VkKHN0cnVj dCB3b3JrX3N0cnVjdCAqd29yaykKPiAgIAkJaWYgKGVuZ2luZS0+aGFuZ2NoZWNrLnNlcW5vID09 IHNlcW5vKSB7Cj4gICAJCQlpZiAocmluZ19pZGxlKGVuZ2luZSwgc2Vxbm8pKSB7Cj4gICAJCQkJ ZW5naW5lLT5oYW5nY2hlY2suYWN0aW9uID0gSEFOR0NIRUNLX0lETEU7Cj4gLQkJCQlpZiAod2Fp dHF1ZXVlX2FjdGl2ZSgmZW5naW5lLT5pcnFfcXVldWUpKSB7LCB0aGUKPiArCQkJCWlmIChidXN5 KSB7Cj4gICAJCQkJCS8qIFNhZmVndWFyZCBhZ2FpbnN0IGRyaXZlciBmYWlsdXJlICovCj4gICAJ CQkJCXVzZXJfaW50ZXJydXB0cyA9IGtpY2tfd2FpdGVycyhlbmdpbmUpOwo+ICAgCQkJCQllbmdp bmUtPmhhbmdjaGVjay5zY29yZSArPSBCVVNZOwo+IC0JCQkJfSBlbHNlCj4gLQkJCQkJYnVzeSA9 IGZhbHNlOwo+ICsJCQkJfQo+ICAgCQkJfSBlbHNlIHsKPiAgIAkJCQkvKiBXZSBhbHdheXMgaW5j cmVtZW50IHRoZSBoYW5nY2hlY2sgc2NvcmUKPiAgIAkJCQkgKiBpZiB0aGUgcmluZyBpcyBidXN5 IGFuZCBzdGlsbCBwcm9jZXNzaW5nCj4gQEAgLTMyNDAsOSArMzIzOSw4IEBAIHN0YXRpYyB2b2lk IGk5MTVfaGFuZ2NoZWNrX2VsYXBzZWQoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+ICAgCQln b3RvIG91dDsKPiAgIAl9Cj4KPiArCS8qIFJlc2V0IHRpbWVyIGluIGNhc2UgR1BVIGhhbmdzIHdp dGhvdXQgYW5vdGhlciByZXF1ZXN0IGJlaW5nIGFkZGVkICovCj4gICAJaWYgKGJ1c3lfY291bnQp Cj4gLQkJLyogUmVzZXQgdGltZXIgY2FzZSBjaGlwIGhhbmdzIHdpdGhvdXQgYW5vdGhlciByZXF1 ZXN0Cj4gLQkJICogYmVpbmcgYWRkZWQgKi8KPiAgIAkJaTkxNV9xdWV1ZV9oYW5nY2hlY2soZGV2 X3ByaXYpOwo+Cj4gICBvdXQ6Cj4KCkkgdGhvdWdodCBJIHNlZSBhIHByb2JsZW0gaGVyZSBidXQg SSB3YXMganVzdCBjb25mdXNlZC4gSSB0aGluayBpdCBpcyAKT0suIEp1c3Qgd29uJ3QgcmUtcXVl dWUgdGhlIGhhbmdjaGVjayBpZiBubyBvbmUgaXMgd2FpdGluZyBhbmQgbm8gbmV3IApyZXF1ZXN0 cyBnZXQgc3VibWl0dGVkLiBJdCBpcyB1bmxpa2VseSB0aGF0IHdvdWxkIGNhdXNlIGEgcHJvYmxl bSBpbiAKcHJhY3RpY2UuIEl0IHNvdW5kcyB2ZXJ5IHVubHVja3kgdGhhdCB0aGUgbGFzdCBzdWJt aXR0ZWQgcmVxdWVzdCBldmVyIApoYW5ncy4gQmFsYW5jZSB3aXRoIHRoZSBiZW5lZml0IG9mIG5v dCBydW5uaW5nIHdoaWxlIEdQVSBpcyBwcm9jZXNzaW5nIApzdHVmZiBJIHRoaW5rIHdlIGNhbiBn aXZlIGl0IGEgZ28uCgpSZXZpZXdlZC1ieTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGlu QGludGVsLmNvbT4KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==