From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 1/2] drm/i915/guc: Advance over port[0] if set and not preempting Date: Fri, 24 Nov 2017 15:48:29 +0200 Message-ID: <87indzss7m.fsf@gaia.fi.intel.com> References: <20171124133745.5173-1-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 BE2236E97F for ; Fri, 24 Nov 2017 13:48:32 +0000 (UTC) In-Reply-To: <20171124133745.5173-1-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+IHdyaXRlczoKCj4gT3VyIGV4 ZWNsaXN0IGVtdWxhdGlvbiBpcyBpbnRlbmRlZCB0byBvbmx5IHVzZSBhIG1heGltdW0gb2YgMiBw b3J0cyBwZXIKPiBlbmdpbmUsIHNvIGFzIHRvIG5vdCBvdmVyZmxvdyB0aGUgd3EuIChCeSBrbm93 aW5nIHRoZSBsaW1pdHMsIHdlIGNhbgo+IGF2b2lkIGhhdmluZyB0byBoYW5kbGUgdGhlIHdxIGV4 aGF1c3Rpb24uKSBIb3dldmVyLCB1cG9uIGFkZGluZwo+IHByZWVtcHRpb24sIHdlIGxvc3QgdGhl IHNraXAgb3ZlciB0aGUgZmlyc3QgcG9ydCBpZiBzZXQgZm9yIHRoZQo+IG5vbi1wcmVlbXB0aW9u IHBhdGguIFJlc3RvcmUgaXQuCj4KPiBSZXBvcnRlZC1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5r dW9wcGFsYUBsaW51eC5pbnRlbC5jb20+Cj4gRml4ZXM6IGM0MTkzN2ZkOTk0YSAoImRybS9pOTE1 L2d1YzogUHJlZW1wdGlvbiEgV2l0aCBHdUMiKQo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNv biA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBNaWNoYcWCIFdpbmlhcnNraSA8bWlj aGFsLndpbmlhcnNraUBpbnRlbC5jb20+Cj4gQ2M6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBh bGFAbGludXguaW50ZWwuY29tPgoKTm93IGl0IG1ha2VzIHNlbnNlIHRvIG1lLiBZb3UgbWlnaHQg d2FudCBhIHN0YW1wIGZyb20gTWljaGHFgiB0b28uCgpSZXZpZXdlZC1ieTogTWlrYSBLdW9wcGFs YSA8bWlrYS5rdW9wcGFsYUBsaW51eC5pbnRlbC5jb20+Cgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9ndWNfc3VibWlzc2lvbi5jIHwgMjkgKysrKysrKysrKysrKysrKy0tLS0t LS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKyksIDEzIGRlbGV0aW9u cygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2d1Y19zdWJt aXNzaW9uLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9ndWNfc3VibWlzc2lvbi5jCj4g aW5kZXggY2JmNWE5NmY1ODA2Li43MGU2NGJkYjczZGQgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZ3VjX3N1Ym1pc3Npb24uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2d1Y19zdWJtaXNzaW9uLmMKPiBAQCAtNzQzLDIzICs3NDMsMjYgQEAgc3Rh dGljIHZvaWQgZ3VjX2RlcXVldWUoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5naW5lKQo+ICAJ aWYgKCFyYikKPiAgCQlnb3RvIHVubG9jazsKPiAgCj4gLQlpZiAoSEFTX0xPR0lDQUxfUklOR19Q UkVFTVBUSU9OKGVuZ2luZS0+aTkxNSkgJiYgcG9ydF9pc3NldChwb3J0KSkgewo+IC0JCXN0cnVj dCBndWNfcHJlZW1wdF93b3JrICpwcmVlbXB0X3dvcmsgPQo+IC0JCQkmZW5naW5lLT5pOTE1LT5n dWMucHJlZW1wdF93b3JrW2VuZ2luZS0+aWRdOwo+IC0KPiAtCQlpZiAocmJfZW50cnkocmIsIHN0 cnVjdCBpOTE1X3ByaW9saXN0LCBub2RlKS0+cHJpb3JpdHkgPgo+IC0JCSAgICBtYXgocG9ydF9y ZXF1ZXN0KHBvcnQpLT5wcmlvdHJlZS5wcmlvcml0eSwgMCkpIHsKPiAtCQkJZXhlY2xpc3RzX3Nl dF9hY3RpdmUoZXhlY2xpc3RzLAo+IC0JCQkJCSAgICAgRVhFQ0xJU1RTX0FDVElWRV9QUkVFTVBU KTsKPiAtCQkJcXVldWVfd29yayhlbmdpbmUtPmk5MTUtPmd1Yy5wcmVlbXB0X3dxLAo+IC0JCQkJ ICAgJnByZWVtcHRfd29yay0+d29yayk7Cj4gLQkJCWdvdG8gdW5sb2NrOwo+IC0JCX0gZWxzZSBp ZiAocG9ydF9pc3NldChsYXN0X3BvcnQpKSB7Cj4gLQkJCWdvdG8gdW5sb2NrOwo+ICsJaWYgKHBv cnRfaXNzZXQocG9ydCkpIHsKPiArCQlpZiAoSEFTX0xPR0lDQUxfUklOR19QUkVFTVBUSU9OKGVu Z2luZS0+aTkxNSkpIHsKPiArCQkJc3RydWN0IGd1Y19wcmVlbXB0X3dvcmsgKnByZWVtcHRfd29y ayA9Cj4gKwkJCQkmZW5naW5lLT5pOTE1LT5ndWMucHJlZW1wdF93b3JrW2VuZ2luZS0+aWRdOwo+ ICsKPiArCQkJaWYgKHJiX2VudHJ5KHJiLCBzdHJ1Y3QgaTkxNV9wcmlvbGlzdCwgbm9kZSktPnBy aW9yaXR5ID4KPiArCQkJICAgIG1heChwb3J0X3JlcXVlc3QocG9ydCktPnByaW90cmVlLnByaW9y aXR5LCAwKSkgewo+ICsJCQkJZXhlY2xpc3RzX3NldF9hY3RpdmUoZXhlY2xpc3RzLAo+ICsJCQkJ CQkgICAgIEVYRUNMSVNUU19BQ1RJVkVfUFJFRU1QVCk7Cj4gKwkJCQlxdWV1ZV93b3JrKGVuZ2lu ZS0+aTkxNS0+Z3VjLnByZWVtcHRfd3EsCj4gKwkJCQkJICAgJnByZWVtcHRfd29yay0+d29yayk7 Cj4gKwkJCQlnb3RvIHVubG9jazsKPiArCQkJfQo+ICAJCX0KPiAgCj4gIAkJcG9ydCsrOwo+ICsJ CWlmIChwb3J0X2lzc2V0KHBvcnQpKQo+ICsJCQlnb3RvIHVubG9jazsKPiAgCX0KPiArCUdFTV9C VUdfT04ocG9ydF9pc3NldChwb3J0KSk7Cj4gIAo+ICAJZG8gewo+ICAJCXN0cnVjdCBpOTE1X3By aW9saXN0ICpwID0gcmJfZW50cnkocmIsIHR5cGVvZigqcCksIG5vZGUpOwo+IC0tIAo+IDIuMTUu MApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1n ZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9s aXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK