From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2] drm/i915: Wait for gen3 reset status to be asserted Date: Thu, 08 Feb 2018 13:43:50 +0200 Message-ID: <87eflvu2o9.fsf@gaia.fi.intel.com> References: <20180207100845.9696-3-chris@chris-wilson.co.uk> <20180207222824.29864-1-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id 79A1E6E0F8 for ; Thu, 8 Feb 2018 11:45:16 +0000 (UTC) In-Reply-To: <20180207222824.29864-1-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+IHdyaXRlczoKCj4gQWZ0ZXIg d2UgYXNzZXJ0IHRoZSByZXNldCByZXF1ZXN0IChhbmQgd2FpdCBmb3IgMjB1cyksIHdoZW4gdGhl IGRldmljZQo+IGhhcyBiZWVuIGZ1bGx5IHJlc2V0IGl0IGFzc2VydHMgdGhlIHJlc2V0LXN0YXR1 cyBiaXQuIEJlZm9yZSB3ZSBzdG9wCj4gcmVxdWVzdGluZyB0aGUgcmVzZXQgYW5kIGFsbG93IHRo ZSBkZXZpY2UgdG8gcmV0dXJuIHRvIG5vcm1hbCwgd2Ugc2hvdWxkCj4gd2FpdCBmb3IgdGhlIHJl c2V0IHRvIGJlIGNvbXBsZXRlZC4gKFNpbWlsYXIgdG8gaG93IHdlIHdhaXQgZm9yIHRoZQo+IGRl dmljZSB0byByZXR1cm4gdG8gbm9ybWFsIGFmdGVyIGRlYXNzZXJ0aW5nIHRoZSByZXNldCByZXF1 ZXN0LikKPgo+IHYyOiBSZW5hbWUgaTkxNV9yZXNldF9jb21wbGV0ZWQoKSBwcm9iZSB0byBub3Qg Y2F1c2UgYXMgbXVjaCBjb25mdXNpb24uCj4KPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24g PGNocmlzQGNocmlzLXdpbHNvbi5jby51az4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5z eXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfdW5jb3JlLmMgfCAxNSArKysrKysrKysrKy0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDExIGlu c2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfdW5jb3JlLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF91bmNv cmUuYwo+IGluZGV4IDBmZDU5ZGQ2YmJiNS4uZTA5OTgxYTMxMTNjIDEwMDY0NAo+IC0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3VuY29yZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfdW5jb3JlLmMKPiBAQCAtMTU1MCwyNCArMTU1MCwzMSBAQCBzdGF0aWMgdm9p ZCBpOTE1X3N0b3BfZW5naW5lcyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCj4g IAkJZ2VuM19zdG9wX2VuZ2luZShlbmdpbmUpOwo+ICB9Cj4gIAo+IC1zdGF0aWMgYm9vbCBpOTE1 X3Jlc2V0X2NvbXBsZXRlKHN0cnVjdCBwY2lfZGV2ICpwZGV2KQo+ICtzdGF0aWMgYm9vbCBpOTE1 X2luX3Jlc2V0KHN0cnVjdCBwY2lfZGV2ICpwZGV2KQo+ICB7Cj4gIAl1OCBnZHJzdDsKPiAgCj4g IAlwY2lfcmVhZF9jb25maWdfYnl0ZShwZGV2LCBJOTE1X0dEUlNULCAmZ2Ryc3QpOwo+IC0JcmV0 dXJuIChnZHJzdCAmIEdSRE9NX1JFU0VUX1NUQVRVUykgPT0gMDsKPiArCXJldHVybiBnZHJzdCAm IEdSRE9NX1JFU0VUX1NUQVRVUzsKPiAgfQo+ICAKPiAgc3RhdGljIGludCBpOTE1X2RvX3Jlc2V0 KHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwgdW5zaWduZWQgZW5naW5lX21hc2sp Cj4gIHsKPiAgCXN0cnVjdCBwY2lfZGV2ICpwZGV2ID0gZGV2X3ByaXYtPmRybS5wZGV2Owo+ICsJ aW50IGVycjsKPiAgCj4gLQkvKiBhc3NlcnQgcmVzZXQgZm9yIGF0IGxlYXN0IDIwIHVzZWMgKi8K PiArCS8qIEFzc2VydCByZXNldCBmb3IgYXQgbGVhc3QgMjAgdXNlYywgYW5kIHdhaXQgZm9yIGFj a25vd2xlZGdlbWVudC4gKi8KPiAgCXBjaV93cml0ZV9jb25maWdfYnl0ZShwZGV2LCBJOTE1X0dE UlNULCBHUkRPTV9SRVNFVF9FTkFCTEUpOwo+ICAJdXNsZWVwX3JhbmdlKDUwLCAyMDApOwo+ICsJ ZXJyID0gd2FpdF9mb3IoaTkxNV9pbl9yZXNldChwZGV2KSwgNTAwKTsKPiArCj4gKwkvKiBDbGVh ciB0aGUgcmVzZXQgcmVxdWVzdC4gKi8KPiAgCXBjaV93cml0ZV9jb25maWdfYnl0ZShwZGV2LCBJ OTE1X0dEUlNULCAwKTsKPiArCXVzbGVlcF9yYW5nZSg1MCwgMjAwKTsKPiArCWlmICghZXJyKQo+ ICsJCWVyciA9IHdhaXRfZm9yKCFpOTE1X2luX3Jlc2V0KHBkZXYpLCA1MDApOwo+CgpSZWdhcmRs ZXNzIG9mIGlmIHRoaXMgaGVscHMgb3Igbm90IHdpdGggcG52LCBpdCBtYWtlcyB0aGUKYm90aCBw aGFzZXMgY2xlYXIuCgpBbnkgdGhvdWdodHMgb2Ygc3RhcnRpbmcgdG8gbG9nIHRoZSByZXNldCBh dHRlbXB0cwp3aXRoIHRpbWVvdXQsIGV2ZW4gaWYgdGhlIHN1YnNlcXVlbnQgcmVzZXQgc3VjY2Vl ZHM/CgpQYXRjaCBpcywKUmV2aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBhbGFA bGludXguaW50ZWwuY29tPgoKPiAtCXJldHVybiB3YWl0X2ZvcihpOTE1X3Jlc2V0X2NvbXBsZXRl KHBkZXYpLCA1MDApOwo+ICsJcmV0dXJuIGVycjsKPiAgfQo+ICAKPiAgc3RhdGljIGJvb2wgZzR4 X3Jlc2V0X2NvbXBsZXRlKHN0cnVjdCBwY2lfZGV2ICpwZGV2KQo+IC0tIAo+IDIuMTYuMQo+Cj4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBJbnRlbC1n ZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=