From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lionel Landwerlin Subject: Re: [PATCH] drm/syncobj: return meaningful value to user space Date: Thu, 18 Jul 2019 17:08:35 +0300 Message-ID: <36d29516-42e7-6ce5-88fc-a005ed4432d6@intel.com> References: <20190718111339.25126-1-david1.zhou@amd.com> <3bef64d0-97be-6aed-aa10-7a4592e7fb54@intel.com> 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 ESMTPS id 414736E3CE for ; Thu, 18 Jul 2019 14:08:38 +0000 (UTC) In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Chunming Zhou , "Zhou, David(ChunMing)" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gMTgvMDcvMjAxOSAxNjowMiwgQ2h1bm1pbmcgWmhvdSB3cm90ZToKPiDlnKggMjAxOS83LzE4 IDE5OjMxLCBMaW9uZWwgTGFuZHdlcmxpbiDlhpnpgZM6Cj4+IE9uIDE4LzA3LzIwMTkgMTQ6MTMs IENodW5taW5nIFpob3Ugd3JvdGU6Cj4+PiBpZiBXQUlUX0ZPUl9TVUJNSVQgaXNuJ3Qgc2V0IGFu ZCBpbiB0aGUgbWVhbndoaWxlIG5vIHVuZGVybHlpbmcgZmVuY2UKPj4+IG9uIHN5bmNvYmosCj4+ PiB0aGVuIHJldHVybiBub24tYmxvY2sgZXJyb3IgY29kZSB0byB1c2VyIHNhcGNlLgo+Pj4KPj4+ IFNpZ25lZC1vZmYtYnk6IENodW5taW5nIFpob3UgPGRhdmlkMS56aG91QGFtZC5jb20+Cj4+PiAt LS0KPj4+ICDCoCBkcml2ZXJzL2dwdS9kcm0vZHJtX3N5bmNvYmouYyB8IDQgKystLQo+Pj4gIMKg IDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4+Pgo+Pj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fc3luY29iai5jCj4+PiBiL2RyaXZlcnMv Z3B1L2RybS9kcm1fc3luY29iai5jCj4+PiBpbmRleCAzNjFhMDFhMDhjMTguLjkyOWY3YzY0Zjlh MiAxMDA2NDQKPj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fc3luY29iai5jCj4+PiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vZHJtX3N5bmNvYmouYwo+Pj4gQEAgLTI1Miw3ICsyNTIsNyBAQCBp bnQgZHJtX3N5bmNvYmpfZmluZF9mZW5jZShzdHJ1Y3QgZHJtX2ZpbGUKPj4+ICpmaWxlX3ByaXZh dGUsCj4+PiAgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcmV0dXJuIDA7Cj4+PiAgwqDCoMKg wqDCoMKgwqDCoMKgIGRtYV9mZW5jZV9wdXQoKmZlbmNlKTsKPj4+ICDCoMKgwqDCoMKgIH0gZWxz ZSB7Cj4+PiAtwqDCoMKgwqDCoMKgwqAgcmV0ID0gLUVJTlZBTDsKPj4+ICvCoMKgwqDCoMKgwqDC oCByZXQgPSAtRU5PVEJMSzsKPj4+ICDCoMKgwqDCoMKgIH0KPj4+ICDCoCDCoMKgwqDCoMKgIGlm ICghKGZsYWdzICYgRFJNX1NZTkNPQkpfV0FJVF9GTEFHU19XQUlUX0ZPUl9TVUJNSVQpKQo+Pj4g QEAgLTgzMiw3ICs4MzIsNyBAQCBzdGF0aWMgc2lnbmVkIGxvbmcKPj4+IGRybV9zeW5jb2JqX2Fy cmF5X3dhaXRfdGltZW91dChzdHJ1Y3QgZHJtX3N5bmNvYmogKipzeW5jb2JqcywKPj4+ICDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBpZiAoZmxhZ3MgJiBEUk1fU1lOQ09CSl9XQUlUX0ZMQUdT X1dBSVRfRk9SX1NVQk1JVCkgewo+Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgY29udGludWU7Cj4+PiAgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgfSBlbHNlIHsKPj4+ IC3CoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgdGltZW91dCA9IC1FSU5WQUw7Cj4+PiAr wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHRpbWVvdXQgPSAtRU5PVEJMSzsKPj4+ICDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGdvdG8gY2xlYW51cF9lbnRyaWVzOwo+ Pj4gIMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIH0KPj4+ICDCoMKgwqDCoMKgwqDCoMKgwqAg fQo+Pgo+PiBUaGlzIHdvdWxkIGJyZWFrIGV4aXN0aW5nIHRlc3RzIGZvciBiaW5hcnkgc3luY29i anMuCj4gSG93IGRvZXMgdGhpcyBicmVha3MgYmluYXJ5IHN5bmNvYmo/CgoKVGhpcyBpcyB1c2Vk IGluIHRoZSBzdWJtaXNzaW9uIHBhdGggb2Ygc2V2ZXJhbCBkcml2ZXJzLgoKQ2hhbmdpbmcgdGhl IGVycm9yIGNvZGUgd2lsbCBjaGFuZ2Ugd2hhdCB0aGUgZHJpdmVycyBhcmUgcmVwb3J0aW5nIHRv IAp1c2Vyc3BhY2UgYW5kIGNvdWxkIGJyZWFrIHRlc3RzLgoKCmk5MTUgZG9lc24ndCB1c2UgdGhh dCBmdW5jdGlvbiBzbyBpdCdzIG5vdCBhZmZlY3RlZCBidXQgCmxpbWEvcGFuZnJvc3QvdmM0IHNl ZW0gdG8gYmUuCgoKPgo+Cj4+IElzIHRoaXMgcmVhbGx5IHdoYXQgd2Ugd2FudD8KPiBJIHdhbnQg dG8gdXNlIHRoaXMgbWVhbmluZ2Z1bCByZXR1cm4gdmFsdWUgdG8ganVkZ2UgaWYgV2FpdEJlZm9y ZVNpZ25hbAo+IGhhcHBlbnMuCj4KPiBJIHRoaW5rIHRoaXMgaXMgdGhlIGNoZWFwZXN0IGNoYW5n ZSBmb3IgdGhhdC4KCgpJIHRob3VnaHQgdGhlIHBsYW4gd2FzIHRvIGFkZCBhIG5ldyBpb2N0bCB0 byBxdWVyeSB0aGUgbGFzdCBzdWJtaXR0ZWQgdmFsdWUuCgpEaWQgSSBtaXN1bmRlcnN0YW5kPwoK ClRoYW5rcywKCgotTGlvbmVsCgoKPgo+IC1EYXZpZAo+Cj4KPj4KPj4gLUxpb25lbAo+Pgo+PgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs