From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emil Velikov Subject: Re: [PATCH 1/2] Add device enumeration interface (v2) Date: Mon, 27 Apr 2015 19:07:02 +0000 Message-ID: <553E88D6.80606@gmail.com> References: <1429847046-12807-1-git-send-email-Jammy.Zhou@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f174.google.com (mail-wi0-f174.google.com [209.85.212.174]) by gabe.freedesktop.org (Postfix) with ESMTP id BEF346E2B4 for ; Mon, 27 Apr 2015 11:08:49 -0700 (PDT) Received: by wiax7 with SMTP id x7so90235913wia.0 for ; Mon, 27 Apr 2015 11:08:49 -0700 (PDT) In-Reply-To: <1429847046-12807-1-git-send-email-Jammy.Zhou@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jammy Zhou , dri-devel@lists.freedesktop.org Cc: Frank.Min@amd.com, emil.l.velikov@gmail.com List-Id: dri-devel@lists.freedesktop.org SGkgSmFtbXksIEZyYW5rCgpBcyBmYXIgYXMgSSBjYW4gc2VlIHlvdSdyZSB0cnlpbmcgdG8gZ2V0 IGEgZGlmZmVyZW50IHZlcnNpb24gb2YKZHJtR2V0QnVzaWQoKS4gV2l0aCB0aGUgRFJNX0lPQ1RM X3tHLFN9RVRfVU5JUVVFIGlvY3RsIGJlaW5nIGxvdmVseSBhcwppdCBpcyBJIGRvIHNlZSB5b3Vy IHBvaW50LCBidXQgSSdtIG5vdCBzdXJlIHRoYXQgdGhlIGN1cnJlbnQgZGVzaWduIHdpbGwKYmUg dG9vIHVzZWZ1bC4KCkRvIHdlIGhhdmUgYW55IHVwY29taW5nIHVzZXJzIGZvciB0aGlzIG5ldyBm dW5jdGlvbiwgY2FuIHlvdSBzaGFyZSBhIGJpdAphYm91dCB0aGUgdXNlY2FzZSA/CgpPbiAyNC8w NC8xNSAwMzo0NCwgSmFtbXkgWmhvdSB3cm90ZToKPiBkcm1HZXREZXZpY2VzIGludGVyZmFjZSBp cyBhZGRlZCB0byBlbnVtZXJuYXRlIEdQVSBkZXZpY2VzIG9uIHRoZSBzeXN0ZW0KPiAKPiB2Mjog cmViYXNlIHRoZSBjb2RlIGFuZCBzb21lIGltcHJvdmVtZW50IGZvciB0aGUgY29kaW5nIHN0eWxl Cj4gCj4gU2lnbmVkLW9mZi1ieTogRnJhbmsgTWluIDxGcmFuay5NaW5AYW1kLmNvbT4KPiBTaWdu ZWQtb2ZmLWJ5OiBKYW1teSBaaG91IDxKYW1teS5aaG91QGFtZC5jb20+ICh2MikKPiAtLS0KPiAg TWFrZWZpbGUuYW0gfCAgMyArKy0KPiAgeGY4NmRybS5jICAgfCA0OCArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKPiAgeGY4NmRybS5oICAgfCAxOCArKysr KysrKysrKysrKysrKysKPiAgMyBmaWxlcyBjaGFuZ2VkLCA2OCBpbnNlcnRpb25zKCspLCAxIGRl bGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL01ha2VmaWxlLmFtIGIvTWFrZWZpbGUuYW0KPiBp bmRleCA0MmQzZDdmLi44MjM2ZWQ4IDEwMDY0NAo+IC0tLSBhL01ha2VmaWxlLmFtCj4gKysrIGIv TWFrZWZpbGUuYW0KPiBAQCAtODksNyArODksOCBAQCBTVUJESVJTID0gXAo+ICBsaWJkcm1fbGFf TFRMSUJSQVJJRVMgPSBsaWJkcm0ubGEKPiAgbGliZHJtX2xhZGlyID0gJChsaWJkaXIpCj4gIGxp YmRybV9sYV9MREZMQUdTID0gLXZlcnNpb24tbnVtYmVyIDI6NDowIC1uby11bmRlZmluZWQKPiAt bGliZHJtX2xhX0xJQkFERCA9IEBDTE9DS19MSUJACj4gK2xpYmRybV9sYV9MSUJBREQgPSBAQ0xP Q0tfTElCQCBcCj4gKwkJQFBDSUFDQ0VTU19MSUJTQAo+ICAKPiAgbGliZHJtX2xhX0NQUEZMQUdT ID0gLUkkKHRvcF9zcmNkaXIpL2luY2x1ZGUvZHJtCj4gIEFNX0NGTEFHUyA9IFwKPiBkaWZmIC0t Z2l0IGEveGY4NmRybS5jIGIveGY4NmRybS5jCj4gaW5kZXggZmZjNTNiOC4uNGQ2Nzg2MSAxMDA2 NDQKPiAtLS0gYS94Zjg2ZHJtLmMKPiArKysgYi94Zjg2ZHJtLmMKPiBAQCAtNjMsNiArNjMsNyBA QAo+ICAKPiAgI2luY2x1ZGUgInhmODZkcm0uaCIKPiAgI2luY2x1ZGUgImxpYmRybS5oIgo+ICsj aW5jbHVkZSA8cGNpYWNjZXNzLmg+Cj4gIAo+ICAjaWYgZGVmaW5lZChfX0ZyZWVCU0RfXykgfHwg ZGVmaW5lZChfX0ZyZWVCU0Rfa2VybmVsX18pIHx8IGRlZmluZWQoX19EcmFnb25GbHlfXykKPiAg I2RlZmluZSBEUk1fTUFKT1IgMTQ1Cj4gQEAgLTI4MTcsMyArMjgxOCw1MCBAQCBjaGFyICpkcm1H ZXRSZW5kZXJEZXZpY2VOYW1lRnJvbUZkKGludCBmZCkKPiAgewo+ICAJcmV0dXJuIGRybUdldE1p bm9yTmFtZUZvckZEKGZkLCBEUk1fTk9ERV9SRU5ERVIpOwo+ICB9Cj4gKwo+ICsvKioKPiArICog RW51bWVyYXRlIHRoZSBHUFUgZGV2aWNlcyBvbiB0aGUgc3lzdGVtCj4gKyAqCj4gKyAqIFxwYXJh bSBkZXZzIGRldmljZSBhcnJheSBzZXQgdG8gcmV0dXJuIHRoZSBkZXZpY2UgaW5mb3JtYXRpb24K PiArICogKGlmIE5VTEwsIHRoZSBudW1iZXIgb2YgZGV2aWNlIGlzIHJldHVybmVkKQo+ICsgKiBc cGFyYW0gdmVuZG9yIHRoZSB2ZW5kb3IgSUQgZm9yIEdQVSBkZXZpY2VzIHRvIGxpc3QKPiArICog KG9wdGlvbmFsLCBpZiBub3Qgc3BlY2lmaWVkLCBhbGwgR1BVIGRldmljZXMgYXJlIHJldHVybmVk KQo+ICsgKgo+ICsgKiBccmV0dXJuIHRoZSBudW1iZXIgb2YgR1BVIGRldmljZXMKPiArICovCj4g K2ludCBkcm1HZXREZXZpY2VzKGRybURldmljZVB0ciBkZXZzLCB1aW50MTZfdCB2ZW5kb3IpCj4g K3sKPiArCXN0cnVjdCBwY2lfZGV2aWNlX2l0ZXJhdG9yICogaXRlcjsKPiArCXN0cnVjdCBwY2lf ZGV2aWNlICogZGV2Owo+ICsJdWludDMyX3QgY291bnQgPSAwOwo+ICsKPiArCWlmIChwY2lfc3lz dGVtX2luaXQoKSkKPiArCQlyZXR1cm4gLUVJTlZBTDsKPiArCj4gKwlpdGVyID0gcGNpX3Nsb3Rf bWF0Y2hfaXRlcmF0b3JfY3JlYXRlKE5VTEwpOwo+ICsJaWYgKCFpdGVyKQo+ICsJCXJldHVybiAt RUlOVkFMOwo+ICsKPiArCXdoaWxlICgoZGV2ID0gcGNpX2RldmljZV9uZXh0KGl0ZXIpKSkgewo+ ICsJCWlmICgoKGRldi0+ZGV2aWNlX2NsYXNzID09IDB4MzAwMDApIHx8Cj4gKwkJCShkZXYtPmRl dmljZV9jbGFzcyA9PSAweDM4MDAwKSkgJiYKQW55IHBhcnRpY3VsYXIgcmVhc29uIHdoeSAiM0Qg Y29udHJvbGxlciIgKDB4MzIwMDApIGlzIG9taXR0ZWQgPwoKPiArCQkJKCh2ZW5kb3IgPT0gMCkg fHwgKGRldi0+dmVuZG9yX2lkID09IHZlbmRvcikpKXsKPiArCQkJaWYgKGRldnMpIHsKPiArCQkJ CWRldnNbY291bnRdLmRvbWFpbiA9IGRldi0+ZG9tYWluOwo+ICsJCQkJZGV2c1tjb3VudF0uYnVz ID0gZGV2LT5idXM7Cj4gKwkJCQlkZXZzW2NvdW50XS5kZXYgPSBkZXYtPmRldjsKPiArCQkJCWRl dnNbY291bnRdLmZ1bmMgPSBkZXYtPmZ1bmM7Cj4gKwkJCQlkZXZzW2NvdW50XS52ZW5kb3JfaWQg PSBkZXYtPnZlbmRvcl9pZDsKPiArCQkJCWRldnNbY291bnRdLmRldmljZV9pZCA9IGRldi0+ZGV2 aWNlX2lkOwo+ICsJCQkJZGV2c1tjb3VudF0uc3VidmVuZG9yX2lkID0gZGV2LT5zdWJ2ZW5kb3Jf aWQ7Cj4gKwkJCQlkZXZzW2NvdW50XS5zdWJkZXZpY2VfaWQgPSBkZXYtPnN1YmRldmljZV9pZDsK PiArCQkJCWRldnNbY291bnRdLnJldmlzaW9uX2lkID0gZGV2LT5yZXZpc2lvbjsKPiArCQkJfQo+ ICsJCQljb3VudCsrOwo+ICsJCX0KPiArCX0KPiArCj4gKwlwY2lfaXRlcmF0b3JfZGVzdHJveShp dGVyKTsKPiArCXBjaV9zeXN0ZW1fY2xlYW51cCgpOwpVc2luZyBsaWJwY2lhY2Nlc3MsIHdpbGwg Z2l2ZSB5b3UgdGhlIG51bWJlciBvZiBQQ0kgZGV2aWNlcyBhdmFpbGFibGUgb24KdGhlIHN5c3Rl bSByYXRoZXIgdGhhbiB0aGUgb25lcyBhY2Nlc3NpYmxlIC0gdGhpbmsgYWJvdXQgcGxhdGZvcm0K ZGV2aWNlcyBhbmQvb3IgZGV2aWNlcyB3aXRob3V0IGEgZHJtIGRyaXZlci4KCkFub3RoZXIgc29s dXRpb24gd2lsbCBiZSB0byBnZXQgdGhlIGluZm9ybWF0aW9uIGJhc2VkIG9uIHRoZQpwcmltYXJ5 L2NvbnRyb2wvcmVuZGVyIG5vZGVzIGF2YWlsYWJsZS4gVGhpcyB3aWxsIGFsc28gYWxsb3cgb25l IHRvIGtub3cKd2hhdCB0aGUgZGV2aWNlIGNhbiBiZSB1c2VkIGZvciAtIGJlIHRoYXQgdmlhIGEg c2VwYXJhdGUgcGFyYW1ldGVyIHNldApieSB0aGUgZnVuY3Rpb24gb3IgaGF2aW5nIGRpZmZlcmVu dCBmdW5jdGlvbnMgYWx0b2dldGhlci4KCkNoZWVycwpFbWlsCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRl dmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==