From mboxrd@z Thu Jan 1 00:00:00 1970 From: Janusz Krzysztofik Subject: Re: [PATCH] drm/i915/gt: Only unwedge if we can reset first Date: Tue, 01 Oct 2019 10:23:50 +0200 Message-ID: <1757934.CzFbpJMoMc@jkrzyszt-desk.ger.corp.intel.com> References: <20190927160335.10622-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3A1346E56A for ; Tue, 1 Oct 2019 08:24:01 +0000 (UTC) In-Reply-To: <20190927160335.10622-1-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 Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SGkgQ2hyaXMsCgpPbiBGcmlkYXksIFNlcHRlbWJlciAyNywgMjAxOSA2OjAzOjM1IFBNIENFU1Qg Q2hyaXMgV2lsc29uIHdyb3RlOgo+IFVud2VkZ2luZyB0aGUgR1BVIHJlcXVpcmVzIGEgc3VjY2Vz c2Z1bCBHUFUgcmVzZXQgYmVmb3JlIHdlIHJlc3RvcmUgdGhlCj4gZGVmYXVsdCBzdWJtaXNzaW9u LCBvciBlbHNlIHdlIG1heSBzZWUgcmVzaWR1YWwgY29udGV4dCBzd2l0Y2ggZXZlbnRzCj4gdGhh dCB3ZSB3ZXJlIG5vdCBleHBlY3RpbmcuCj4gCj4gdjI6IFB1bGwgaW4gdGhlIHNwZWNpYWwtY2Fz ZSByZXNldF9jbG9iYmVyc19kaXNwbGF5LCBhbmQgZXhwbGFpbiB3aHkgaXQKPiBzaG91bGQgYmUg c2FmZSBpbiB0aGUgY29udGV4dCBvZiB1bndlZGdpbmcuCj4gCj4gdjM6IEp1c3QgZm9yZ2V0IGFs bCBhYm91dCByZXNldHMgYmVmb3JlIHVud2VkZ2luZyBpZiBpdCB3aWxsIGNsb2JiZXIgdGhlCj4g ZGlzcGxheTsgcmlzayBpdCBhbGwuCgpBRkFJQ1UsIHRoZSByaXNrIHdlIHRha2UgaXMsIHdoZW4g cnVubmluZyBvbiBoYXJkd2FyZSB3aXRoIHN1cHBvcnQgZm9yIApleGVjbGlzdHMsIGlmIHJlc2V0 IGNsb2JiZXJzIHRoZSBkaXNwbGF5IHdlIG5ldmVyIHVud2VkZ2UsIGV2ZW4gaWYgbWF5YmUgd2Ug CmNvdWxkLiAgT24gdGhlIG90aGVyIGhhbmQsIHdoZW4gcnVubmluZyBvbiBoYXJkd2FyZSB3aGlj aCBkb2Vzbid0IHN1cHBvcnQgCmV4ZWNsaXN0cywgd2Ugb3B0aW1pc3RpY2FsbHkgdW53ZWRnZSB1 bmxlc3Mgd2UgY2FuIHRyeSB0aGUgcmVzZXQgYW5kIGl0IGZhaWxzLgoKQXNzdW1pbmcgdGhlIGlz c3VlIHdlIGFyZSB0cnlpbmcgdG8gZml4IGhlcmUgaXMgc3BlY2lmaWMgdG8gZXhlY2xpc3RzIG1v ZGUsIAp0aGF0IHNlZW1zIHRvIGJlIGEgc2FmZSBjaG9pY2UuCgpUaGFua3MsCkphbnVzegoKPiBS ZXBvcnRlZC1ieTogSmFudXN6IEtyenlzenRvZmlrIDxqYW51c3oua3J6eXN6dG9maWtAbGludXgu aW50ZWwuY29tPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2ls c29uLmNvLnVrPgo+IENjOiBKYW51c3ogS3J6eXN6dG9maWsgPGphbnVzei5rcnp5c3p0b2Zpa0Bs aW51eC5pbnRlbC5jb20+Cj4gQ2M6IERhbmllbGUgQ2VyYW9sbyBTcHVyaW8gPGRhbmllbGUuY2Vy YW9sb3NwdXJpb0BpbnRlbC5jb20+Cj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFs YUBsaW51eC5pbnRlbC5jb20+Cj4gUmV2aWV3ZWQtYnk6IERhbmllbGUgQ2VyYW9sbyBTcHVyaW8g PGRhbmllbGUuY2VyYW9sb3NwdXJpb0BpbnRlbC5jb20+ICN2MQo+IC0tLQo+ICBkcml2ZXJzL2dw dS9kcm0vaTkxNS9ndC9pbnRlbF9yZXNldC5jIHwgOCArKysrKysrLQo+ICAxIGZpbGUgY2hhbmdl ZCwgNyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX3Jlc2V0LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS8K Z3QvaW50ZWxfcmVzZXQuYwo+IGluZGV4IGQwODIyNmY1YmVhNS4uMTE3ODFhNjI2Zjc1IDEwMDY0 NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2d0L2ludGVsX3Jlc2V0LmMKPiArKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9ndC9pbnRlbF9yZXNldC5jCj4gQEAgLTgwNyw2ICs4MDcsNyBA QCBzdGF0aWMgYm9vbCBfX2ludGVsX2d0X3Vuc2V0X3dlZGdlZChzdHJ1Y3QgaW50ZWxfZ3QgKmd0 KQo+ICAJc3RydWN0IGludGVsX2d0X3RpbWVsaW5lcyAqdGltZWxpbmVzID0gJmd0LT50aW1lbGlu ZXM7Cj4gIAlzdHJ1Y3QgaW50ZWxfdGltZWxpbmUgKnRsOwo+ICAJdW5zaWduZWQgbG9uZyBmbGFn czsKPiArCWJvb2wgb2s7Cj4gIAo+ICAJaWYgKCF0ZXN0X2JpdChJOTE1X1dFREdFRCwgJmd0LT5y ZXNldC5mbGFncykpCj4gIAkJcmV0dXJuIHRydWU7Cj4gQEAgLTg1Myw3ICs4NTQsMTIgQEAgc3Rh dGljIGJvb2wgX19pbnRlbF9ndF91bnNldF93ZWRnZWQoc3RydWN0IGludGVsX2d0IAoqZ3QpCj4g IAl9Cj4gIAlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZ0aW1lbGluZXMtPmxvY2ssIGZsYWdzKTsK PiAgCj4gLQlpbnRlbF9ndF9zYW5pdGl6ZShndCwgZmFsc2UpOwo+ICsJLyogV2UgbXVzdCByZXNl dCBwZW5kaW5nIEdQVSBldmVudHMgYmVmb3JlIHJlc3RvcmluZyBvdXIgc3VibWlzc2lvbiAKKi8K PiArCW9rID0gIUhBU19FWEVDTElTVFMoZ3QtPmk5MTUpOwo+ICsJaWYgKCFJTlRFTF9JTkZPKGd0 LT5pOTE1KS0+Z3B1X3Jlc2V0X2Nsb2JiZXJzX2Rpc3BsYXkpCj4gKwkJb2sgPSBfX2ludGVsX2d0 X3Jlc2V0KGd0LCBBTExfRU5HSU5FUykgPT0gMDsKPiArCWlmICghb2spCj4gKwkJcmV0dXJuIGZh bHNlOwo+ICAKPiAgCS8qCj4gIAkgKiBVbmRvIG5vcF9zdWJtaXRfcmVxdWVzdC4gV2UgcHJldmVu dCBhbGwgbmV3IGk5MTUgcmVxdWVzdHMgZnJvbQo+IAoKCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4