From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2] drm/i915: Sleep and retry a GPU reset if at first we don't succeed Date: Fri, 01 Dec 2017 15:20:29 +0200 Message-ID: <87tvxar3du.fsf@gaia.fi.intel.com> References: <20171201121240.12960-1-chris@chris-wilson.co.uk> <20171201122011.16841-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id A7CEA6ED08 for ; Fri, 1 Dec 2017 13:20:39 +0000 (UTC) In-Reply-To: <20171201122011.16841-1-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+IHdyaXRlczoKCj4gQXMgd2Ug ZGVjbGFyZSB0aGUgR1BVIHdlZGdlZCBpZiB0aGUgcmVzZXQgZmFpbHMsIHN1Y2ggYSBmYWlsdXJl IGlzIHF1aXRlCj4gdGVybWluYWwuIEJlZm9yZSB0YWtpbmcgdGhhdCBkcmFzdGljIGFjdGlvbiwg bGV0J3Mgc2xlZXAgZmlyc3QgYW5kIHRyeQo+IGFjdGl2ZSwgaW4gdGhlIGhvcGUgdGhhdCB0aGUg aGFyZHdhcmUgaGFzIHF1aWV0ZW5lZCBkb3duIGFuZCBpcyB0aGVuCj4gYWJsZSB0byByZXNldC4g QWZ0ZXIgYSBmZXcgc3VjaCBhdHRlbXB0cywgaXQgaXMgZmFpciB0byBzYXkgdGhhdCB0aGUgSFcK PiBpcyB0cnVseSB3ZWRnZWQuCj4KPiB2MjogQWx3YXlzIHByaW50IHRoZSBmYWlsdXJlIG1lc3Nh Z2Ugbm93LCB3ZSBwcmVjaGVjayB3aGV0aGVyIHJlc2V0cyBhcmUKPiBkaXNhYmxlZC4KPgo+IFJl ZmVyZW5jZXM6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEw NDAwNwo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNv LnVrPgo+IENjOiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4K PiBDYzogSm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29tPgo+ IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jIHwgMjAgKysrKysrKysrKysr KysrLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDE1IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25z KC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMKPiBpbmRleCBlMGYwNTNmOWMxODYuLjdmYWYy MGFmZjI1YSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jCj4g KysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYwo+IEBAIC0xODc3LDcgKzE4Nzcs OSBAQCB2b2lkIGk5MTVfcmVzZXQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUsIHVuc2ln bmVkIGludCBmbGFncykKPiAgewo+ICAJc3RydWN0IGk5MTVfZ3B1X2Vycm9yICplcnJvciA9ICZp OTE1LT5ncHVfZXJyb3I7Cj4gIAlpbnQgcmV0Owo+ICsJaW50IGk7Cj4gIAo+ICsJbWlnaHRfc2xl ZXAoKTsKPiAgCWxvY2tkZXBfYXNzZXJ0X2hlbGQoJmk5MTUtPmRybS5zdHJ1Y3RfbXV0ZXgpOwo+ ICAJR0VNX0JVR19PTighdGVzdF9iaXQoSTkxNV9SRVNFVF9CQUNLT0ZGLCAmZXJyb3ItPmZsYWdz KSk7Cj4gIAo+IEBAIC0xOTAwLDEyICsxOTAyLDIwIEBAIHZvaWQgaTkxNV9yZXNldChzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSwgdW5zaWduZWQgaW50IGZsYWdzKQo+ICAJCWdvdG8gZXJy b3I7Cj4gIAl9Cj4gIAo+IC0JcmV0ID0gaW50ZWxfZ3B1X3Jlc2V0KGk5MTUsIEFMTF9FTkdJTkVT KTsKPiArCWlmICghaW50ZWxfaGFzX2dwdV9yZXNldChpOTE1KSkgewo+ICsJCURSTV9ERUJVR19E UklWRVIoIkdQVSByZXNldCBkaXNhYmxlZFxuIik7Cj4gKwkJZ290byBlcnJvcjsKPiArCX0KPiAr Cj4gKwlmb3IgKGkgPSAwOyBpIDwgMzsgaSsrKSB7Cj4gKwkJcmV0ID0gaW50ZWxfZ3B1X3Jlc2V0 KGk5MTUsIEFMTF9FTkdJTkVTKTsKPiArCQlpZiAocmV0ID09IDApCj4gKwkJCWJyZWFrOwo+ICsK PiArCQltc2xlZXAoMTAwKTsKClNlZW1zIHJlYXNvbmFibGUgdG8gdHJ5IGZldyB0aW1lcyBhbmQg cGF1c2UgYmV0d2VlbiBkZWZpYnJpbGxhdGUKYXR0ZW1wdHMgaW5zdGVhZCBvZiB0aHJvd2luZyBk aXJ0IG9uIHRvcCBvZiBjb2ZmaW4gcmlnaHQKb2ZmIHRoZSBiYXQuCgpBbHNvIEkgaGF2ZSBiZWVu IHBvbmRlcmluZyB0aGF0IHNob3VsZCB3ZSBhZGQgYSBtaW5pY2hlY2sKdG8gaW50ZWxfZ3B1X3Jl c2V0IHRvIHBva2UgdGhhdCB0aGUgZ3B1IGlzIHJlYWxseSB0aGVyZS4KTGlrZSBkb2luZyBmZXcg bm9wcyBpbiAocmVuZGVyKXJpbmdidWZmZXIgYW5kIHNlZSBpZiBoZWFkCm1vdmVzIGJlZm9yZSBk ZWNsYXJpbmcgaXQgYXMgYSByZXNldCBzdWNjZXNzPwoKTm90IHRoYXQgd2Ugd291bGQgbm90IHNl ZSBpdCBpbiBpbml0IHJpZ2h0IGFmdGVyIGJ1dCBqdXN0CnRvIGhhdmUgbW9yZSBwcmVjaXNlIGxv Y2F0aW9uIG9mIGZhaWx1cmUgaW5zdGVhZCBvZgppbml0aW5nIGEgZGVhZCBncHUuCgpSZXZpZXdl ZC1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5jb20+CgotTWlr YQoKCj4gKwl9Cj4gIAlpZiAocmV0KSB7Cj4gLQkJaWYgKHJldCAhPSAtRU5PREVWKQo+IC0JCQlE Uk1fRVJST1IoIkZhaWxlZCB0byByZXNldCBjaGlwOiAlaVxuIiwgcmV0KTsKPiAtCQllbHNlCj4g LQkJCURSTV9ERUJVR19EUklWRVIoIkdQVSByZXNldCBkaXNhYmxlZFxuIik7Cj4gKwkJZGV2X2Vy cihpOTE1LT5kcm0uZGV2LCAiRmFpbGVkIHRvIHJlc2V0IGNoaXBcbiIpOwo+ICAJCWdvdG8gZXJy b3I7Cj4gIAl9Cj4gIAo+IC0tIAo+IDIuMTUuMQpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK