From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 4/8] drm/i915: Force the GPU reset upon wedging Date: Fri, 08 Feb 2019 11:31:48 +0200 Message-ID: <87k1ia39tn.fsf@gaia.fi.intel.com> References: <20190207071829.5574-1-chris@chris-wilson.co.uk> <20190207071829.5574-4-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id F1D1E6ECFD for ; Fri, 8 Feb 2019 09:31:58 +0000 (UTC) In-Reply-To: <20190207071829.5574-4-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+IHdyaXRlczoKCj4gV2hlbiBk ZWNsYXJpbmcgdGhlIEdQVSB3ZWRnZWQsIHdlIGRvIG5lZWQgdG8gaGl0IHRoZSBHUFUgd2l0aCB0 aGUgcmVzZXQKPiBoYW1tZXIgc28gdGhhdCBpdHMgc3RhdGUgbWF0Y2hlcyBvdXIgcHJlc3VtZWQg c3RhdGUgZHVyaW5nIGNsZWFudXAuIElmCj4gdGhlIHJlc2V0IGZhaWxzLCBpdCBmYWlscywgYW5k IHdlIG1heSBiZSB1bmhhcHB5IGJ1dCB3ZWRnZWQuIEhvd2V2ZXIsIGlmCj4gd2UgYXJlIHRlc3Rp bmcgb3VyIHdlZGdlL3Vud2VkZ2VkIGhhbmRsaW5nLCB0aGUgZGVzeW5jIGNhcnJpZXMgb3ZlciBp bnRvCj4gdGhlIG5leHQgdGVzdCBhbmQgcHJvbXB0bHkgZXhwbG9kZXMuCj4KPiBSZWZlcmVuY2Vz OiBodHRwczovL2J1Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD0xMDY3MDIKPiBT aWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBD YzogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBpbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfcmVzZXQuYyB8IDggKysrKy0tLS0KPiAgMSBmaWxlIGNoYW5n ZWQsIDQgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3Jlc2V0LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X3Jlc2V0LmMKPiBpbmRleCBjNjdkNmMyYTA5YTIuLjY0ZjI2ZTE3MjQzYSAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3Jlc2V0LmMKPiArKysgYi9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pOTE1X3Jlc2V0LmMKPiBAQCAtNTMyLDkgKzUzMiw2IEBAIHR5cGVkZWYgaW50ICgq cmVzZXRfZnVuYykoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKiwKPiAgCj4gIHN0YXRpYyByZXNl dF9mdW5jIGludGVsX2dldF9ncHVfcmVzZXQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUp Cj4gIHsKPiAtCWlmICghaTkxNV9tb2RwYXJhbXMucmVzZXQpCj4gLQkJcmV0dXJuIE5VTEw7Cj4g LQo+ICAJaWYgKElOVEVMX0dFTihpOTE1KSA+PSA4KQo+ICAJCXJldHVybiBnZW44X3Jlc2V0X2Vu Z2luZXM7Cj4gIAllbHNlIGlmIChJTlRFTF9HRU4oaTkxNSkgPj0gNikKPiBAQCAtNTk5LDYgKzU5 Niw5IEBAIGJvb2wgaW50ZWxfaGFzX2dwdV9yZXNldChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAq aTkxNSkKPiAgCWlmIChVU0VTX0dVQyhpOTE1KSkKPiAgCQlyZXR1cm4gZmFsc2U7Cj4gIAo+ICsJ aWYgKCFpOTE1X21vZHBhcmFtcy5yZXNldCkKPiArCQlyZXR1cm4gTlVMTDsKPiArCgpJIGZpcnN0 IHRob3VnaHQgdGhlcmUgd2FzIG5vIGZ1bmN0aW9uYWwgY2hhbmdlCmluIHRoaXMgYnV0IGl0IGlz IHBsYXkgd2l0aCBnZXQgYW5kIGhhcy4KClBhcnQgb2YgdGhlIHJlc2V0IGNvZGUgY29tcGxleGl0 eSBpcyB0aGUKZGVlcCBuZXN0aW5nIG9mICdyZXNldCcgdXNlZCBvbiBhbGwKbGF5ZXJzIGFuZCB5 b3UgbmVlZCBlZmZvcnQgdG8gZGlzdGluZ3Vpc2gKd2hhdCBpcyBwcmVwcGluZywgZHJpdmVyIHJl c2V0dGluZyBhbmQKZ3B1IHJlc2V0dGluZy4gQnV0IGl0IGlzIG5vdCBhbGwgYmFkCmFzIHdlIGhh dmUgbm93ICdncHUnIHBvcHBpbmcgdXAgaW4gcGxhY2VzCndoZXJlIHRoZSBhY3R1YWwgaHcgaXMg aW52b2x2ZWQuCgpSZXZpZXdlZC1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51 eC5pbnRlbC5jb20+Cgo+ICAJcmV0dXJuIGludGVsX2dldF9ncHVfcmVzZXQoaTkxNSk7Cj4gIH0K PiAgCj4gQEAgLTgyNCw3ICs4MjQsNyBAQCB2b2lkIGk5MTVfZ2VtX3NldF93ZWRnZWQoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmk5MTUpCj4gIAkJcmVzZXRfcHJlcGFyZV9lbmdpbmUoZW5naW5l KTsKPiAgCj4gIAkvKiBFdmVuIGlmIHRoZSBHUFUgcmVzZXQgZmFpbHMsIGl0IHNob3VsZCBzdGls bCBzdG9wIHRoZSBlbmdpbmVzICovCj4gLQlpZiAoSU5URUxfR0VOKGk5MTUpID49IDUpCj4gKwlp ZiAoIUlOVEVMX0lORk8oaTkxNSktPmdwdV9yZXNldF9jbG9iYmVyc19kaXNwbGF5KQo+ICAJCWlu dGVsX2dwdV9yZXNldChpOTE1LCBBTExfRU5HSU5FUyk7Cj4gIAo+ICAJZm9yX2VhY2hfZW5naW5l KGVuZ2luZSwgaTkxNSwgaWQpIHsKPiAtLSAKPiAyLjIwLjEKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==