From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomas Elf Subject: Re: [RFC 01/11] drm/i915: Early exit from semaphore_waits_for for execlist mode. Date: Tue, 16 Jun 2015 16:46:05 +0100 Message-ID: <558044BD.1080203@intel.com> References: <1433783009-17251-1-git-send-email-tomas.elf@intel.com> <1433783009-17251-2-git-send-email-tomas.elf@intel.com> <20150616134445.GW23637@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id E72886E176 for ; Tue, 16 Jun 2015 08:46:07 -0700 (PDT) In-Reply-To: <20150616134445.GW23637@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: Intel-GFX@Lists.FreeDesktop.Org List-Id: intel-gfx@lists.freedesktop.org T24gMTYvMDYvMjAxNSAxNDo0NCwgRGFuaWVsIFZldHRlciB3cm90ZToKPiBPbiBNb24sIEp1biAw OCwgMjAxNSBhdCAwNjowMzoxOVBNICswMTAwLCBUb21hcyBFbGYgd3JvdGU6Cj4+IFdoZW4gc3Vi bWl0dGluZyBzZW1hcGhvcmVzIGluIGV4ZWNsaXN0IG1vZGUgdGhlIGhhbmcgY2hlY2tlciBjcmFz aGVzIGluIHRoaXMKPj4gZnVuY3Rpb24gYmVjYXVzZSBpdCBpcyBvbmx5IHJ1bm5hYmxlIGluIHJp bmcgc3VibWlzc2lvbiBtb2RlLiBUaGUgcmVhc29uIHRoaXMKPj4gaXMgb2YgcGFydGljdWxhciBp bnRlcmVzdCB0byB0aGUgVERSIHBhdGNoIHNlcmllcyBpcyBiZWNhdXNlIHdlIHVzZSBzZW1hcGhv cmVzCj4+IGFzIGEgbWVhbiB0byBpbmR1Y2UgaGFuZ3MgZHVyaW5nIHRlc3RpbmcgKHdoaWNoIGlz IHRoZSByZWNvbW1lbmRlZCB3YXkgdG8KPj4gaW5kdWNlIGhhbmdzIGZvciBnZW44KykuIEl0J3Mg bm90IGNsZWFyIGhvdyB0aGlzIGlzIHN1cHBvc2VkIHRvIHdvcmsgaW4KPj4gZXhlY2xpc3QgbW9k ZSBzaW5jZToKPj4KPj4gMS4gVGhpcyBmdW5jdGlvbiByZXF1aXJlcyBhIHJpbmcgYnVmZmVyLgo+ Pgo+PiAyLiBSZXRyaWV2aW5nIGEgcmluZyBidWZmZXIgaW4gZXhlY2xpc3QgbW9kZSByZXF1aXJl cyB1cyB0byByZXRyaWV2ZSB0aGUKPj4gY29ycmVzcG9uZGluZyBjb250ZXh0LCB3aGljaCB3ZSBn ZXQgZnJvbSBhIHJlcXVlc3QuCj4+Cj4+IDMuIFJldGlldmluZyBhIHJlcXVlc3QgZnJvbSB0aGUg aGFuZyBjaGVja2VyIGlzIG5vdCBzdHJhaWdodC1mb3J3YXJkIHNpbmNlIHRoYXQKPj4gcmVxdWly ZXMgdXMgdG8gZ3JhYiB0aGUgc3RydWN0X211dGV4IGluIG9yZGVyIHRvIHN5bmNocm9uaXplIGFn YWluc3QgdGhlCj4+IHJlcXVlc3QgcmV0aXJlbWVudCB0aHJlYWQuCj4+Cj4+IDQuIEdyYWJiaW5n IHRoZSBzdHJ1Y3RfbXV0ZXggZnJvbSB0aGUgaGFuZyBjaGVja2VyIGlzIG5vdGhpbmcgdGhhdCB3 ZSB3aWxsIGRvCj4+IHNpbmNlIHRoYXQgcHV0cyB1cyBhdCByaXNrIG9mIGRlYWRsb2NrIHNpbmNl IGEgaHVuZyB0aHJlYWQgbWlnaHQgYmUgaG9sZGluZyB0aGUKPj4gc3RydWN0X211dGV4IGFscmVh ZHkuCj4+Cj4+IFRoZXJlZm9yZSBpdCdzIG5vdCBvYnZpb3VzIGhvdyB3ZSdyZSBzdXBwb3NlZCB0 byBkZWFsIHdpdGggdGhpcy4gRm9yIG5vdywgd2UncmUKPj4gZG9pbmcgYW4gZWFybHkgZXhpdCBm cm9tIHRoaXMgZnVuY3Rpb24sIHdoaWNoIGF2b2lkcyBhbnkga2VybmVsIHBhbmljIHNpdHVhdGlv bgo+PiB3aGVuIHJ1bm5pbmcgb3VyIG93biBpbnRlcm5hbCBURFIgVUxULgo+Pgo+PiBTaWduZWQt b2ZmLWJ5OiBUb21hcyBFbGYgPHRvbWFzLmVsZkBpbnRlbC5jb20+Cj4KPiBXZSBzaG91bGQgaGF2 ZSBhIFRlc3RjYXNlOiBsaW5lIGhlcmUgd2hpY2ggbWVudGlvbnMgdGhlIGlndCB0ZXN0Y2FzZSB3 aGljaAo+IHByb3Zva2UgdGhpcyBidWcuIE9yIHdlIG5lZWQgdG8gZmlsbCB0aGlzIGdhcCBhc2Fw Lgo+IC1EYW5pZWwKCllvdSBrbm93IHRoaXMgYmV0dGVyIHRoYW4gSSBkbzogSXMgdGhlcmUgYW4g SUdUIHRlc3QgdGhhdCBzdWJtaXRzIGEgCnNlbWFwaG9yZSBpbiBleGVjbGlzdCBtb2RlPyBCZWNh dXNlIHRoYXQncyBhbGwgeW91IG5lZWQgdG8gZG8gdG8gCnJlcHJvZHVjZSB0aGlzLiBXZSBjb3Vs ZCBjZXJ0YWlubHkgYWRkIG9uZSBpZiB0aGVyZSBpcyBub25lIGxpa2UgdGhhdCAKYWxyZWFkeS4K ClRoYW5rcywKVG9tYXMKCj4KPj4gLS0tCj4+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9p cnEuYyB8ICAgMjAgKysrKysrKysrKysrKysrKysrKysKPj4gICAxIGZpbGUgY2hhbmdlZCwgMjAg aW5zZXJ0aW9ucygrKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9pcnEuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJxLmMKPj4gaW5kZXggNDZiY2Jm Zi4uNDBjNDRmYyAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEu Ywo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4+IEBAIC0yNjk4LDYg KzI2OTgsMjYgQEAgc2VtYXBob3JlX3dhaXRzX2ZvcihzdHJ1Y3QgaW50ZWxfZW5naW5lX2NzICpy aW5nLCB1MzIgKnNlcW5vKQo+PiAgIAl1NjQgb2Zmc2V0ID0gMDsKPj4gICAJaW50IGksIGJhY2t3 YXJkczsKPj4KPj4gKwkvKgo+PiArCSAqIFRoaXMgZnVuY3Rpb24gZG9lcyBub3Qgc3VwcG9ydCBl eGVjbGlzdCBtb2RlIC0gYW55IGF0dGVtcHQgdG8KPj4gKwkgKiBwcm9jZWVkIGZ1cnRoZXIgaW50 byB0aGlzIGZ1bmN0aW9uIHdpbGwgcmVzdWx0IGluIGEga2VybmVsIHBhbmljCj4+ICsJICogd2hl biBkZXJlZmVyZW5jaW5nIHJpbmctPmJ1ZmZlciwgd2hpY2ggaXMgbm90IHNldCB1cCBpbiBleGVj bGlzdAo+PiArCSAqIG1vZGUuCj4+ICsJICoKPj4gKwkgKiBUaGUgY29ycmVjdCB3YXkgb2YgZG9p bmcgaXQgd291bGQgYmUgdG8gZGVyaXZlIHRoZSBjdXJyZW50bHkKPj4gKwkgKiBleGVjdXRpbmcg cmluZyBidWZmZXIgZnJvbSB0aGUgY3VycmVudCBjb250ZXh0LCB3aGljaCBpcyBkZXJpdmVkCj4+ ICsJICogZnJvbSB0aGUgY3VycmVudGx5IHJ1bm5pbmcgcmVxdWVzdC4gVW5mb3J0dW5hdGVseSwg dG8gZ2V0IHRoZQo+PiArCSAqIGN1cnJlbnQgcmVxdWVzdCB3ZSB3b3VsZCBoYXZlIHRvIGdyYWIg dGhlIHN0cnVjdF9tdXRleCBiZWZvcmUgZG9pbmcKPj4gKwkgKiBhbnl0aGluZyBlbHNlLCB3aGlj aCB3b3VsZCBiZSBpbGwtYWR2aXNlZCBzaW5jZSBzb21lIG90aGVyIHRocmVhZAo+PiArCSAqIG1p Z2h0IGhhdmUgZ3JhYmJlZCBpdCBhbHJlYWR5IGFuZCBtYW5hZ2VkIHRvIGhhbmcgaXRzZWxmLCBj YXVzaW5nCj4+ICsJICogdGhlIGhhbmcgY2hlY2tlciB0byBkZWFkbG9jay4KPj4gKwkgKgo+PiAr CSAqIFRoZXJlZm9yZSwgdGhpcyBmdW5jdGlvbiBkb2VzIG5vdCBzdXBwb3J0IGV4ZWNsaXN0IG1v ZGUgaW4gaXRzCj4+ICsJICogY3VycmVudCBmb3JtLiBKdXN0IHJldHVybiBOVUxMIGFuZCBtb3Zl IG9uLgo+PiArCSAqLwo+PiArCWlmIChpOTE1LmVuYWJsZV9leGVjbGlzdHMpCj4+ICsJCXJldHVy biBOVUxMOwo+PiArCj4+ICAgCWlwZWhyID0gSTkxNV9SRUFEKFJJTkdfSVBFSFIocmluZy0+bW1p b19iYXNlKSk7Cj4+ICAgCWlmICghaXBlaHJfaXNfc2VtYXBob3JlX3dhaXQocmluZy0+ZGV2LCBp cGVocikpCj4+ICAgCQlyZXR1cm4gTlVMTDsKPj4gLS0KPj4gMS43LjkuNQo+Pgo+PiBfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+PiBJbnRlbC1nZnggbWFp bGluZyBsaXN0Cj4+IEludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPj4gaHR0cDovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo+CgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGlu ZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=