From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 1/3] drm/i915: Always sanity check engine state upon idling Date: Tue, 29 Aug 2017 16:36:57 +0300 Message-ID: <87val64hs6.fsf@gaia.fi.intel.com> References: <20170826110935.10237-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id E57AA89D81 for ; Tue, 29 Aug 2017 13:40:01 +0000 (UTC) In-Reply-To: <20170826110935.10237-1-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 Cc: Matthias Kaehlcke List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gV2hlbiB3 ZSBkbyBhIGxvY2tlZCBpZGxlIHdlIGtub3cgdGhhdCBhZnRlcndhcmRzIGFsbCByZXF1ZXN0cyBo YXZlIGJlZW4KPiBjb21wbGV0ZWQgYW5kIHRoZSBlbmdpbmVzIGhhdmUgYmVlbiBjbGVhcmVkIG9m IHRhc2tzLiBGb3Igd2hhdGV2ZXIKPiByZWFzb24sIHRoaXMgZG9lc24ndCBhbHdheXMgaGFwcGVu IGFuZCB3ZSBtYXkgZ28gaW50byBhIHN1c3BlbmQgd2l0aAo+IEVMU1Agc3RpbGwgZnVsbCwgYW5k IHRoaXMgY2F1c2VzIGFuIGlzc3VlIHVwb24gcmVzdW1lIGFzIHdlIGdldCB2ZXJ5LAo+IHZlcnkg Y29uZnVzZWQuCj4KPiBJZiB0aGUgZW5naW5lcyByZWZ1c2UgdG8gaWRsZSwgbWFyayB0aGUgZGV2 aWNlIGFzIHdlZGdlZC4gSW4gdGhlIHByb2Nlc3MKPiB3ZSBnZXQgcmlkIG9mIHRoZSBtYXliZSB1 bnVzZWQgb3Blbi1jb2RlZCB2ZXJzaW9uIG9mIHdhaXRfZm9yX2VuZ2luZXMKPiByZXBvcnRlZCBi eSBOaWNrIERlc2F1bG5pZXJzIGFuZCBNYXR0aGlhcyBLYWVobGNrZS4KPgo+IFJlZmVyZW5jZXM6 IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEwMTg5MQo+IFNp Z25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENj OiBNaWthIEt1b3BwYWxhIDxtaWthLmt1b3BwYWxhQGxpbnV4LmludGVsLmNvbT4KPiBDYzogSm9v bmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29tPgo+IENjOiBNYXR0 aGlhcyBLYWVobGNrZSA8bWthQGNocm9taXVtLm9yZz4KCkkgbm90aWNlZCB0aGF0IHdoZW4gYWN0 dWFsbHkgZG8gc3dpdGNoIHRvIGtlcm5lbCBjb250ZXh0LCBpdCdzCmFzeW5jLiBBbmQgdGhlbiB3 ZSBhbHdheXMgZG8gd2FpdCBmb3IgaWRsZS4KClNvIGFzIGFsbCBvdXIgdXNhZ2UgaXMgc3luYywg d2h5IGRvbid0IHdlIGp1c3Qgd2FpdCB0aGUgcmVxIGluCmk5MTVfZ2VtX3N3aXRjaF90b19rZXJu ZWxfY29udGV4dChpOTE1KSB0byBwaW5wb2ludCB0aGUgcmVxdWVzdAp1bmNvbXBsZXRpb24uIEFu ZCBpbiBhZGRpdGlvbiBoYXZlIHRoaXMgYXMgYSBmdXJ0aGVyIGhhcmRlcm5pbmcuCgpCdXQgZm9y IHRoZSB1bmNvbmRpdGlvbmFsIHdlZGdlIGFuZCB3YXJuLAoKUmV2aWV3ZWQtYnk6IE1pa2EgS3Vv cHBhbGEgPG1pa2Eua3VvcHBhbGFAaW50ZWwuY29tPgoKLU1pa2EKCgo+IC0tLQo+ICBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMjAgKysrKy0tLS0tLS0tLS0tLS0tLS0KPiAgMSBm aWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgMTYgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtLmMKPiBpbmRleCBhYzAyNzg1ZmRhZmYuLmMxNTIwYzBkMjA4NCAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IEBAIC0zMzcxLDI0ICszMzcxLDEyIEBAIHN0YXRpYyBp bnQgd2FpdF9mb3JfdGltZWxpbmUoc3RydWN0IGk5MTVfZ2VtX3RpbWVsaW5lICp0bCwgdW5zaWdu ZWQgaW50IGZsYWdzKQo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4gLXN0YXRpYyBpbnQgd2FpdF9m b3JfZW5naW5lKHN0cnVjdCBpbnRlbF9lbmdpbmVfY3MgKmVuZ2luZSwgaW50IHRpbWVvdXRfbXMp Cj4gLXsKPiAtCXJldHVybiB3YWl0X2ZvcihpbnRlbF9lbmdpbmVfaXNfaWRsZShlbmdpbmUpLCB0 aW1lb3V0X21zKTsKPiAtfQo+IC0KPiAgc3RhdGljIGludCB3YWl0X2Zvcl9lbmdpbmVzKHN0cnVj dCBkcm1faTkxNV9wcml2YXRlICppOTE1KQo+ICB7Cj4gLQlzdHJ1Y3QgaW50ZWxfZW5naW5lX2Nz ICplbmdpbmU7Cj4gLQllbnVtIGludGVsX2VuZ2luZV9pZCBpZDsKPiAtCj4gLQlmb3JfZWFjaF9l bmdpbmUoZW5naW5lLCBpOTE1LCBpZCkgewo+IC0JCWlmIChHRU1fV0FSTl9PTih3YWl0X2Zvcl9l bmdpbmUoZW5naW5lLCA1MCkpKSB7Cj4gLQkJCWk5MTVfZ2VtX3NldF93ZWRnZWQoaTkxNSk7Cj4g LQkJCXJldHVybiAtRUlPOwo+IC0JCX0KPiAtCj4gLQkJR0VNX0JVR19PTihpbnRlbF9lbmdpbmVf Z2V0X3NlcW5vKGVuZ2luZSkgIT0KPiAtCQkJICAgaW50ZWxfZW5naW5lX2xhc3Rfc3VibWl0KGVu Z2luZSkpOwo+ICsJaWYgKHdhaXRfZm9yKGludGVsX2VuZ2luZXNfYXJlX2lkbGUoaTkxNSksIDUw KSkgewo+ICsJCURSTV9FUlJPUigiRmFpbGVkIHRvIGlkbGUgZW5naW5lcywgZGVjbGFyaW5nIHdl ZGdlZCFcbiIpOwo+ICsJCWk5MTVfZ2VtX3NldF93ZWRnZWQoaTkxNSk7Cj4gKwkJcmV0dXJuIC1F SU87Cj4gIAl9Cj4gIAo+ICAJcmV0dXJuIDA7Cj4gLS0gCj4gMi4xNC4xCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=