From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 04/18] drm/i915: After reset on sanitization, reset the engine backends Date: Fri, 25 May 2018 16:13:19 +0300 Message-ID: <87a7sn98uo.fsf@gaia.fi.intel.com> References: <20180525093206.1919-1-chris@chris-wilson.co.uk> <20180525093206.1919-5-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8CB626E1F0 for ; Fri, 25 May 2018 13:13:32 +0000 (UTC) In-Reply-To: <20180525093206.1919-5-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 cmVzZXQgdGhlIEdQVSBvbiBzdXNwZW5kL3Jlc3VtZSwgd2UgYWxzbyBkbyBuZWVkIHRvIHJlc2V0 IHRoZQo+IGVuZ2luZSBzdGF0ZSB0cmFja2luZyBzbyBjYWxsIGludG8gdGhlIGVuZ2luZSBiYWNr ZW5kcy4gVGhpcyBpcwo+IGVzcGVjaWFsbHkgaW1wb3J0YW50IHNvIHRoYXQgd2UgY2FuIGFsc28g c2FuaXRpemUgdGhlIHN0YXRlIHRyYWNraW5nCj4gYWNyb3NzIHJlc3VtZS4KPgo+IFNpZ25lZC1v ZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IC0tLQo+ICBk cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMjQgKysrKysrKysrKysrKysrKysrKysr KysrCj4gIDEgZmlsZSBjaGFuZ2VkLCAyNCBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfZ2VtLmMKPiBpbmRleCA3YjU1NDRlZmEwYmEuLjVhN2UwYjM4OGFkMCAxMDA2NDQKPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9nZW0uYwo+IEBAIC00OTU1LDcgKzQ5NTUsMjIgQEAgc3RhdGljIHZvaWQgYXNz ZXJ0X2tlcm5lbF9jb250ZXh0X2lzX2N1cnJlbnQoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5 MTUpCj4gIAo+ICB2b2lkIGk5MTVfZ2VtX3Nhbml0aXplKHN0cnVjdCBkcm1faTkxNV9wcml2YXRl ICppOTE1KQo+ICB7Cj4gKwlzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICplbmdpbmU7Cj4gKwllbnVt IGludGVsX2VuZ2luZV9pZCBpZDsKPiArCj4gKwlHRU1fVFJBQ0UoIlxuIik7Cj4gKwo+ICAJbXV0 ZXhfbG9jaygmaTkxNS0+ZHJtLnN0cnVjdF9tdXRleCk7Cj4gKwo+ICsJaW50ZWxfcnVudGltZV9w bV9nZXQoaTkxNSk7Cj4gKwlpbnRlbF91bmNvcmVfZm9yY2V3YWtlX2dldChpOTE1LCBGT1JDRVdB S0VfQUxMKTsKPiArCj4gKwkvKgo+ICsJICogQXMgd2UgaGF2ZSBqdXN0IHJlc3VtZWQgdGhlIG1h Y2hpbmUgYW5kIHdva2VuIHRoZSBkZXZpY2UgdXAgZnJvbQo+ICsJICogZGVlcCBQQ0kgc2xlZXAg KHByZXN1bWFibHkgRDNfY29sZCksIGFzc3VtZSB0aGUgSFcgaGFzIGJlZW4gcmVzZXQKPiArCSAq IGJhY2sgdG8gZGVmYXVsdHMsIHJlY292ZXJpbmcgZnJvbSB3aGF0ZXZlciB3ZWRnZWQgc3RhdGUg d2UgbGVmdCBpdAo+ICsJICogaW4gYW5kIHNvIHdvcnRoIHRyeWluZyB0byB1c2UgdGhlIGRldmlj ZSBvbmNlIG1vcmUuCj4gKwkgKi8KPiAgCWlmIChpOTE1X3Rlcm1pbmFsbHlfd2VkZ2VkKCZpOTE1 LT5ncHVfZXJyb3IpKQo+ICAJCWk5MTVfZ2VtX3Vuc2V0X3dlZGdlZChpOTE1KTsKPiAgCj4gQEAg LTQ5NzAsNiArNDk4NSwxNSBAQCB2b2lkIGk5MTVfZ2VtX3Nhbml0aXplKHN0cnVjdCBkcm1faTkx NV9wcml2YXRlICppOTE1KQo+ICAJaWYgKElOVEVMX0dFTihpOTE1KSA+PSA1ICYmIGludGVsX2hh c19ncHVfcmVzZXQoaTkxNSkpCj4gIAkJV0FSTl9PTihpbnRlbF9ncHVfcmVzZXQoaTkxNSwgQUxM X0VOR0lORVMpKTsKPiAgCj4gKwkvKiBSZXNldCB0aGUgc3VibWlzc2lvbiBiYWNrZW5kIGFmdGVy IHJlc3VtZSBhcyB3ZWxsIGFzIHRoZSBHUFUgcmVzZXQgKi8KPiArCWZvcl9lYWNoX2VuZ2luZShl bmdpbmUsIGk5MTUsIGlkKSB7Cj4gKwkJaWYgKGVuZ2luZS0+cmVzZXQucmVzZXQpCj4gKwkJCWVu Z2luZS0+cmVzZXQucmVzZXQoZW5naW5lLCBOVUxMKTsKPiArCX0KClRoZSBOVUxMIGd1YXJhbnRl ZXMgdGhhdCBpdCB3b250IHRyeSB0byBkbyBhbnkgZnVubnkgdGhpbmdzCndpdGggdGhlIGluY29t cGxldGUgc3RhdGUuCgpCdXQgd2hhdCBndWFyYW50ZWVzIHRoZSB0aGUgdGltZWxpbmUgY2xlYW51 cCBzbyB0aGF0CndlIGRvbid0IGVuZHVwIHVud2luZGluZyBpbmNvbXBsZXRlIHJlcXVlc3RzIGNy YXA/Ci1NaWthCgo+ICsKPiArCWludGVsX3VuY29yZV9mb3JjZXdha2VfcHV0KGk5MTUsIEZPUkNF V0FLRV9BTEwpOwo+ICsJaW50ZWxfcnVudGltZV9wbV9wdXQoaTkxNSk7Cj4gKwo+ICAJaTkxNV9n ZW1fY29udGV4dHNfbG9zdChpOTE1KTsKPiAgCW11dGV4X3VubG9jaygmaTkxNS0+ZHJtLnN0cnVj dF9tdXRleCk7Cj4gIH0KPiAtLSAKPiAyLjE3LjAKPgo+IF9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCj4gSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdAo+IEludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeApfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK