From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v2 12/22] drm/i915: Replace wait-on-mutex with wait-on-bit in reset worker Date: Thu, 08 Sep 2016 13:52:21 +0300 Message-ID: <87zini7jfe.fsf@gaia.fi.intel.com> References: <20160905130438.31046-1-chris@chris-wilson.co.uk> <20160907144516.29495-1-chris@chris-wilson.co.uk> <20160907144516.29495-12-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id BD8126E00A for ; Thu, 8 Sep 2016 10:53:19 +0000 (UTC) In-Reply-To: <20160907144516.29495-12-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+IHdyaXRlczoKCj4gU2luY2Ug d2UgaGF2ZSBhIGNvb3BlcmF0aXZlIG1vZGUgbm93IHdpdGggYSBkaXJlY3QgcmVzZXQsIHdlIGNh biBhdm9pZAo+IHRoZSBjb250ZW50aW9uIG9uIHN0cnVjdF9tdXRleCBhbmQgaW5zdGVhZCB0cnkg dGhlbiBzbGVlcCBvbiB0aGUKPiBJOTE1X1JFU0VUX0lOX1BST0dSRVNTIGJpdC4gSWYgdGhlIG11 dGV4IGlzIGhlbGQgYW5kIHRoYXQgYml0IGlzCj4gY2xlYXJlZCwgYWxsIGlzIGZpbmUuIE90aGVy d2lzZSwgd2Ugc2xlZXAgZm9yIGEgYml0IGFuZCB0cnkgYWdhaW4uIEluCj4gdGhlIHdvcnN0IGNh c2Ugd2Ugc2xlZXAgZm9yIGFuIGV4dHJhIHNlY29uZCB3YWl0aW5nIGZvciB0aGUgbXV0ZXggdG8g YmUKPiByZWxlYXNlZCAobm8gb25lIHRvdWNoaW5nIHRoZSBHUFUgaXMgYWxsb3dlZCB0aGUgc3Ry dWN0X211dGV4IHdoaWxzdCB0aGUKPiBJOTE1X1JFU0VUX0lOX1BST0dSRVNTIGJpdCBpcyBzZXQp LiBCdXQgd2hlbiB3ZSBoYXZlIGEgZGlyZWN0IHJlc2V0LAo+IHRoaXMgYWxsb3dzIHVzIHRvIGNs ZWFuIHVwIHRoZSByZXNldCB3b3JrZXIgZmFzdGVyLgo+Cj4gdjI6IFJlbWVtYmVyIHRvIGNhbGwg d2FrZV91cF9iaXQoKSBhZnRlciBjaGFuZ2luZyAoZm9yIHRoZSBmYXN0ZXIgd2FrZXVwCj4gYXMg cHJvbWlzZWQpCj4KPiBTaWduZWQtb2ZmLWJ5OiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlzLXdp bHNvbi5jby51az4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYyB8ICA2 ICsrKystLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jIHwgMzAgKysrKysrKysr KysrKysrKysrLS0tLS0tLS0tLS0tCj4gIDIgZmlsZXMgY2hhbmdlZCwgMjIgaW5zZXJ0aW9ucygr KSwgMTQgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kcnYuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMKPiBpbmRleCBmZjQx NzNlNmUyOTguLmMxYjg5MGRiZDZjYyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2Rydi5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYwo+IEBA IC0xNzk4LDExICsxNzk4LDEzIEBAIGludCBpOTE1X3Jlc2V0KHN0cnVjdCBkcm1faTkxNV9wcml2 YXRlICpkZXZfcHJpdikKPiAgCWludGVsX3Nhbml0aXplX2d0X3Bvd2Vyc2F2ZShkZXZfcHJpdik7 Cj4gIAlpbnRlbF9hdXRvZW5hYmxlX2d0X3Bvd2Vyc2F2ZShkZXZfcHJpdik7Cj4gIAo+IC0JcmV0 dXJuIDA7Cj4gK291dDoKPiArCXdha2VfdXBfYml0KCZlcnJvci0+ZmxhZ3MsIEk5MTVfUkVTRVRf SU5fUFJPR1JFU1MpOwo+ICsJcmV0dXJuIHJldDsKPiAgCj4gIGVycm9yOgo+ICAJc2V0X2JpdChJ OTE1X1dFREdFRCwgJmVycm9yLT5mbGFncyk7Cj4gLQlyZXR1cm4gcmV0Owo+ICsJZ290byBvdXQ7 CgpBZnRlciBpbml0aWFsIHN1cnByaWNlLCBhbmQgc3VycHJpY2VzIGFyZSBuZWdhdGl2ZSwKdGhp cyBpcyBzaG9ydCwga2VlcHMgdGhlIGVycm9yIHN0dWZmIG91dCBmcm9tIGJ1bGtjb2RlCmFuZCBr ZWVwcyB3YWtldXAgbmVhdGx5IGluIGJvdGggcGF0aHMuCgpUbyByZWR1Y2UgdGhlIHN1cnByaWNl IGVmZmVjdCwgbGFiZWwgY291bGQgYmUgd2FrZXVwX291dC4KClJldmlld2VkLWJ5OiBNaWthIEt1 b3BwYWxhIDxtaWthLmt1b3BwYWxhQGludGVsLmNvbT4KCj4gIH0KPiAgCj4gIHN0YXRpYyBpbnQg aTkxNV9wbV9zdXNwZW5kKHN0cnVjdCBkZXZpY2UgKmtkZXYpCj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2ly cS5jCj4gaW5kZXggMmM3Y2I1MDQxNTExLi42OTllZTJjN2EzZTQgMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfaXJxLmMKPiBAQCAtMjQ5Nyw3ICsyNDk3LDcgQEAgc3RhdGljIHZvaWQgaTkxNV9yZXNl dF9hbmRfd2FrZXVwKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiAgCWNoYXIg KmVycm9yX2V2ZW50W10gPSB7IEk5MTVfRVJST1JfVUVWRU5UICI9MSIsIE5VTEwgfTsKPiAgCWNo YXIgKnJlc2V0X2V2ZW50W10gPSB7IEk5MTVfUkVTRVRfVUVWRU5UICI9MSIsIE5VTEwgfTsKPiAg CWNoYXIgKnJlc2V0X2RvbmVfZXZlbnRbXSA9IHsgSTkxNV9FUlJPUl9VRVZFTlQgIj0wIiwgTlVM TCB9Owo+IC0JaW50IHJldDsKPiArCWludCByZXQgPSAtRUFHQUlOOwo+ICAKPiAgCWtvYmplY3Rf dWV2ZW50X2Vudihrb2JqLCBLT0JKX0NIQU5HRSwgZXJyb3JfZXZlbnQpOwo+ICAKPiBAQCAtMjUx MiwyMSArMjUxMiwyNyBAQCBzdGF0aWMgdm9pZCBpOTE1X3Jlc2V0X2FuZF93YWtldXAoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQo+ICAJICogc2ltdWxhdGVkIHJlc2V0IHZpYSBk ZWJ1Z3MsIHNvIGdldCBhbiBSUE0gcmVmZXJlbmNlLgo+ICAJICovCj4gIAlpbnRlbF9ydW50aW1l X3BtX2dldChkZXZfcHJpdik7Cj4gLQo+ICAJaW50ZWxfcHJlcGFyZV9yZXNldChkZXZfcHJpdik7 Cj4gIAo+IC0JLyoKPiAtCSAqIEFsbCBzdGF0ZSByZXNldCBfbXVzdF8gYmUgY29tcGxldGVkIGJl Zm9yZSB3ZSB1cGRhdGUgdGhlCj4gLQkgKiByZXNldCBjb3VudGVyLCBmb3Igb3RoZXJ3aXNlIHdh aXRlcnMgbWlnaHQgbWlzcyB0aGUgcmVzZXQKPiAtCSAqIHBlbmRpbmcgc3RhdGUgYW5kIG5vdCBw cm9wZXJseSBkcm9wIGxvY2tzLCByZXN1bHRpbmcgaW4KPiAtCSAqIGRlYWRsb2NrcyB3aXRoIHRo ZSByZXNldCB3b3JrLgo+IC0JICovCj4gLQltdXRleF9sb2NrKCZkZXZfcHJpdi0+ZHJtLnN0cnVj dF9tdXRleCk7Cj4gLQlyZXQgPSBpOTE1X3Jlc2V0KGRldl9wcml2KTsKPiAtCW11dGV4X3VubG9j aygmZGV2X3ByaXYtPmRybS5zdHJ1Y3RfbXV0ZXgpOwo+ICsJZG8gewo+ICsJCS8qCj4gKwkJICog QWxsIHN0YXRlIHJlc2V0IF9tdXN0XyBiZSBjb21wbGV0ZWQgYmVmb3JlIHdlIHVwZGF0ZSB0aGUK PiArCQkgKiByZXNldCBjb3VudGVyLCBmb3Igb3RoZXJ3aXNlIHdhaXRlcnMgbWlnaHQgbWlzcyB0 aGUgcmVzZXQKPiArCQkgKiBwZW5kaW5nIHN0YXRlIGFuZCBub3QgcHJvcGVybHkgZHJvcCBsb2Nr cywgcmVzdWx0aW5nIGluCj4gKwkJICogZGVhZGxvY2tzIHdpdGggdGhlIHJlc2V0IHdvcmsuCj4g KwkJICovCj4gKwkJaWYgKG11dGV4X3RyeWxvY2soJmRldl9wcml2LT5kcm0uc3RydWN0X211dGV4 KSkgewo+ICsJCQlyZXQgPSBpOTE1X3Jlc2V0KGRldl9wcml2KTsKPiArCQkJbXV0ZXhfdW5sb2Nr KCZkZXZfcHJpdi0+ZHJtLnN0cnVjdF9tdXRleCk7Cj4gKwkJfQo+ICAKPiAtCWludGVsX2Zpbmlz aF9yZXNldChkZXZfcHJpdik7Cj4gKwkJLyogV2UgbmVlZCB0byB3YWl0IGZvciBhbnlvbmUgaG9s ZGluZyB0aGUgbG9jayB0byB3YWtldXAgKi8KPiArCX0gd2hpbGUgKHdhaXRfb25fYml0X3RpbWVv dXQoJmRldl9wcml2LT5ncHVfZXJyb3IuZmxhZ3MsCj4gKwkJCQkgICAgIEk5MTVfUkVTRVRfSU5f UFJPR1JFU1MsCj4gKwkJCQkgICAgIFRBU0tfVU5JTlRFUlJVUFRJQkxFLAo+ICsJCQkJICAgICBI WikpOwo+ICAKPiArCWludGVsX2ZpbmlzaF9yZXNldChkZXZfcHJpdik7Cj4gIAlpbnRlbF9ydW50 aW1lX3BtX3B1dChkZXZfcHJpdik7Cj4gIAo+ICAJaWYgKHJldCA9PSAwKQo+IC0tIAo+IDIuOS4z Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=