From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2] drm/i915: Stop automatically retiring requests after a GPU hang Date: Fri, 13 May 2016 11:43:25 +0300 Message-ID: <87wpmymjpu.fsf@gaia.fi.intel.com> References: <1463048746-15829-2-git-send-email-chris@chris-wilson.co.uk> <1463126259-17914-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 B22686EA8B for ; Fri, 13 May 2016 08:46:07 +0000 (UTC) In-Reply-To: <1463126259-17914-1-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 Cc: Daniel Vetter List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gWyB0ZXh0 L3BsYWluIF0KPiBGb2xsb3dpbmcgYSBHUFUgaGFuZywgd2UgYnJlYWsgb3V0IG9mIHRoZSByZXF1 ZXN0IGxvb3AgaW4gb3JkZXIgdG8KPiB1bmxvY2sgdGhlIHN0cnVjdF9tdXRleCBmb3IgdXNlIGJ5 IHRoZSBHUFUgcmVzZXQuIEhvd2V2ZXIsIGlmIHdlIHJldGlyZQo+IGFsbCB0aGUgcmVxdWVzdHMg YXQgdGhhdCBtb21lbnQsIHdlIGNhbm5vdCBpZGVudGlmeSB0aGUgZ3VpbHR5IHJlcXVlc3QKPiBh ZnRlciBwZXJmb3JtaW5nIHRoZSByZXNldC4KPgo+IHYyOiBOb3QgYXV0b21hdGljYWxseSByZXRp cmluZyByZXF1ZXN0cyBmb3JjZXMgdXMgdG8gcmVjaGVjayBmb3IKPiBhdmFpbGFibGUgcmluZ3Nw YWNlLgo+Cj4gRml4ZXM6IGY0NDU3YWU3MWZkNiAoImRybS9pOTE1OiBQcmV2ZW50IGxlYWtpbmcg b2YgLUVJTyBmcm9tCj4gaTkxNV93YWl0X3JlcXVlc3QoKSIpCgpQYXJ0aWFsbHkuIFdlIGRvbid0 IGNsZWFyIHRoZSByZXF1ZXN0IGxpc3QgYmVmb3JlIHJlc2V0CnByb2Nlc3NpbmcuIEJ1dCB3ZSBz dGlsbCBkbyByZWxlYXNlIGNsaWVudHMgYmVmb3JlIHJlc2V0CnByb2Nlc3NpbmcuIFRoaXMgbGVh ZHMgdG8gY2xpZW50cyBzZWUgY29tcGxldGVkCnJlcXVlc3RzIGJlZm9yZSB0aGUgcmVzZXQgc3Rh dGlzdGljcyBoYXZlIGJlZW4gdXBkYXRlZC4KCklmIHdlIHJldHVybiAtRUFHQUlOIGluIHdhaXRf cmVxdWVzdCwgdGhlbiB3ZSB1bmJsb2NrCnRoZSBjbGllbnRzIG9ubHkgdW50aWwgdGhlIHJlc2V0 IGhhbmRsaW5nIGhhcyB1cGRhdGVkCnRoZSBzZXFubyBwYXN0IHRoZSByZXNldCBib3VuZGFyeS4g VGhpcyB3b3VsZCBmaXgKYm90aCBpc3N1ZXMgSSBhbSBzZWVpbmcuCgotTWlrYQoKPiBUZXN0Y2Fz ZTogaWd0L2dlbV9yZXNldF9zdGF0cwo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hy aXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVy QGZmd2xsLmNoPgo+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4K PiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgICAgIHwgOCArKysr KystLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmMgfCAyICsrCj4g IDIgZmlsZXMgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+Cj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X2dlbS5jCj4gaW5kZXggNmU2MTczOGZhYjMxLi5hM2Q4MjZiYjIxNmIgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBAQCAtMTQ2Miw3ICsxNDYyLDEwIEBAIGk5MTVf d2FpdF9yZXF1ZXN0KHN0cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcmVxKQo+ICAJaWYgKHJl dCkKPiAgCQlyZXR1cm4gcmV0Owo+ICAKPiAtCV9faTkxNV9nZW1fcmVxdWVzdF9yZXRpcmVfX3Vw dG8ocmVxKTsKPiArCS8qIElmIHRoZSBHUFUgaHVuZywgd2Ugd2FudCB0byBrZWVwIHRoZSByZXF1 ZXN0cyB0byBmaW5kIHRoZSBndWlsdHkuICovCj4gKwlpZiAocmVxLT5yZXNldF9jb3VudGVyID09 IGk5MTVfcmVzZXRfY291bnRlcigmZGV2X3ByaXYtPmdwdV9lcnJvcikpCj4gKwkJX19pOTE1X2dl bV9yZXF1ZXN0X3JldGlyZV9fdXB0byhyZXEpOwo+ICsKPiAgCXJldHVybiAwOwo+ICB9Cj4gIAo+ IEBAIC0xNTE5LDcgKzE1MjIsOCBAQCBpOTE1X2dlbV9vYmplY3RfcmV0aXJlX3JlcXVlc3Qoc3Ry dWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPiAgCWVsc2UgaWYgKG9iai0+bGFzdF93cml0 ZV9yZXEgPT0gcmVxKQo+ICAJCWk5MTVfZ2VtX29iamVjdF9yZXRpcmVfX3dyaXRlKG9iaik7Cj4g IAo+IC0JX19pOTE1X2dlbV9yZXF1ZXN0X3JldGlyZV9fdXB0byhyZXEpOwo+ICsJaWYgKHJlcS0+ cmVzZXRfY291bnRlciA9PSBpOTE1X3Jlc2V0X2NvdW50ZXIoJnJlcS0+aTkxNS0+Z3B1X2Vycm9y KSkKPiArCQlfX2k5MTVfZ2VtX3JlcXVlc3RfcmV0aXJlX191cHRvKHJlcSk7Cj4gIH0KPiAgCj4g IC8qIEEgbm9uYmxvY2tpbmcgdmFyaWFudCBvZiB0aGUgYWJvdmUgd2FpdC4gVGhpcyBpcyBhIGhp Z2hseSBkYW5nZXJvdXMgcm91dGluZQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9yaW5nYnVmZmVyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVm ZmVyLmMKPiBpbmRleCAwNjE4ZGQzNGMzZWMuLjhkMzVhMzk3OGY5YiAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmMKPiArKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9yaW5nYnVmZmVyLmMKPiBAQCAtMjQ1MCw2ICsyNDUwLDggQEAgaW50 IGludGVsX3JpbmdfYmVnaW4oc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXEsIGludCBu dW1fZHdvcmRzKQo+ICAJCQlyZXR1cm4gcmV0Owo+ICAKPiAgCQlpbnRlbF9yaW5nX3VwZGF0ZV9z cGFjZShyaW5nYnVmKTsKPiArCQlpZiAodW5saWtlbHkocmluZ2J1Zi0+c3BhY2UgPCB3YWl0X2J5 dGVzKSkKPiArCQkJcmV0dXJuIC1FQUdBSU47Cj4gIAl9Cj4gIAo+ICAJaWYgKHVubGlrZWx5KG5l ZWRfd3JhcCkpIHsKPiAtLSAKPiAyLjguMQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK