From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ken Xue Subject: Re: [PATCH V2] amdgpu/drm: Refine the way to check Date: Wed, 21 Dec 2016 02:08:03 +0800 Message-ID: <20161220180802.GA29575@amd.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Nils =?utf-8?Q?Wallm=C3=A9nius?= Cc: alexdeucher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, dl.SRDC_SW_GPUVirtualization-5C7GfCeVMHo@public.gmane.org, Ken.Xue-5C7GfCeVMHo@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org VGhlIDEyLzIxLzIwMTYgMTA6NDQsIE5pbHMgV2FsbG3DqW5pdXMgd3JvdGU6Cj4gSGkgS2VuLCBh IGNvbW1lbnQgYmVsb3cKPiAKPiAKPiBEZW4gMjEgZGVjLiAyMDE2IDA4OjE5IHNrcmV2ICJYdWUs IEtlbiIgPEtlbi5YdWVAYW1kLmNvbT46Cj4gCj4gVGhlcmUgYXJlIHNldmVyYWwgd2F5cyB0byBj aGVjayBvdXQgYSBBVE9NQklPUy4gSW4gcHJldmlvdXMgY29kZXMsIHRyeQo+IGEgbmV3IHdheSB0 byBmZXRjaCBvdXQgdmJpb3Mvcm9tLCB1bnRpbCBjdXJyZW50IHZiaW9zL3JvbSBpcyBzdGFydGVk IHdpdGgKPiAweDU1QUEsIHRoZW4gY2hlY2sgaWYgdGhpcyB2YmlvcyBpcyBBVE9NQklPUy4gTm93 LCB0cnkgYSBuZXcgd2F5IHRvIGZldGNoCj4gb3V0IHZiaW9zIHVudGlsIGFsbCBmbGFncyBvZiBB VE9NQklPUyBhcmUgdmVyaWZpZWQuCj4gCj4gU2lnbmVkLW9mZi1ieTogS2VuIFh1ZSA8S2VuLlh1 ZUBhbWQuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfYmlv cy5jICAgfCAxNzQKPiArKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0tLQo+ICBkcml2ZXJzL2dw dS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMgfCAgIDggKy0KPiAgMiBmaWxlcyBjaGFu Z2VkLCAxMDIgaW5zZXJ0aW9ucygrKSwgODAgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9iaW9zLmMKPiBiL2RyaXZlcnMvZ3B1 L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9iaW9zLmMKPiBpbmRleCA0Zjk3M2E5Li5hNmZhOTFmIDEw MDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9iaW9zLmMKPiAr KysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfYmlvcy5jCj4gQEAgLTQyLDYg KzQyLDQ0IEBACj4gICNkZWZpbmUgQU1EX0lTX1ZBTElEX1ZCSU9TKHApICgocClbMF0gPT0gMHg1 NSAmJiAocClbMV0gPT0gMHhBQSkKPiAgI2RlZmluZSBBTURfVkJJT1NfTEVOR1RIKHApICgocClb Ml0gPDwgOSkKPiAKPiArLyogQ2hlY2sgaWYgY3VycmVudCBiaW9zIGlzIGFuIEFUT00gQklPUy4K PiArICogUmV0dXJuIHRydWUgaWYgaXQgaXMgQVRPTSBCSU9TLiBPdGhlcndpc2UsIHJldHVybiBm YWxzZS4KPiArICovCj4gK3N0YXRpYyBib29sIGNoZWNrX2F0b21fYmlvcyh1aW50OF90ICpiaW9z LCBzaXplX3Qgc2l6ZSkKPiArewo+ICsgICAgICAgdWludDE2X3QgdG1wLCBiaW9zX2hlYWRlcl9z dGFydDsKPiArCj4gKyAgICAgICBpZiAoIWJpb3MgfHwgc2l6ZSA8IDB4NDkpIHsKPiArICAgICAg ICAgICAgICAgRFJNX0lORk8oInZiaW9zIG1lbSBpcyBudWxsIG9yIG1lbSBzaXplIGlzIHdyb25n XG4iKTsKPiArICAgICAgICAgICAgICAgcmV0dXJuIGZhbHNlOwo+ICsgICAgICAgfQo+ICsKPiAr ICAgICAgIGlmICghQU1EX0lTX1ZBTElEX1ZCSU9TKGJpb3MpKSB7Cj4gKyAgICAgICAgICAgICAg IERSTV9JTkZPKCJCSU9TIHNpZ25hdHVyZSBpbmNvcnJlY3QgJXggJXhcbiIsIGJpb3NbMF0sCj4g Ymlvc1sxXSk7Cj4gKyAgICAgICAgICAgICAgIHJldHVybiBmYWxzZTsKPiArICAgICAgIH0KPiAr Cj4gKyAgICAgICB0bXAgPSBiaW9zWzB4MThdIHwgKGJpb3NbMHgxOV0gPDwgOCk7Cj4gKyAgICAg ICBpZiAoYmlvc1t0bXAgKyAweDE0XSAhPSAweDApIHsKPiArICAgICAgICAgICAgICAgRFJNX0lO Rk8oIk5vdCBhbiB4ODYgQklPUyBST01cbiIpOwo+ICsgICAgICAgICAgICAgICByZXR1cm4gZmFs c2U7Cj4gKyAgICAgICB9Cj4gKwo+ICsgICAgICAgYmlvc19oZWFkZXJfc3RhcnQgPSBiaW9zWzB4 NDhdIHwgKGJpb3NbMHg0OV0gPDwgOCk7Cj4gKyAgICAgICBpZiAoIWJpb3NfaGVhZGVyX3N0YXJ0 KSB7Cj4gKyAgICAgICAgICAgICAgIERSTV9JTkZPKCJDYW4ndCBsb2NhdGUgYmlvcyBoZWFkZXJc biIpOwo+ICsgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7Cj4gKyAgICAgICB9Cj4gKyAgICAg ICB0bXAgPSBiaW9zX2hlYWRlcl9zdGFydCArIDQ7Cj4gKyAgICAgICBpZiAoIW1lbWNtcChiaW9z ICsgdG1wLCAiQVRPTSIsIDQpIHx8Cj4gKyAgICAgICAgICAgIW1lbWNtcChiaW9zICsgdG1wLCAi TU9UQSIsIDQpIHx8Cj4gKyAgICAgICAgICAgKHNpemUgPCB0bXApKQo+IAo+IAo+IElzIHRoZSBs YXN0IGNvbmRpdGlvbiBoZXJlIGNvcnJlY3Q/IENhbiB5b3UgaGF2ZSB2YWxpZCBhdG9tYmlvcyB3 aXRob3V0IHRoZQo+IHNpZ25hdHVyZT8gTWF5YmUgYWRkIGEgY29tbWVudCBpZiB0aGF0J3MgdHJ1 ZS4gQWxzbyB0aGUgZXh0cmEgcGFyZW50cwo+IGFyZW4ndCBuZWNlc3NhcnkuCj4gCj4gQmVzdCBy ZWdhcmRzCj4gTmlscwo+IApUaGFua3MgZm9yIHlvdXIgY29tbWVudHMuIEl0IHNob3VsZCBiZSBh IG1pc3Rha2UuCgppZiAoc2l6ZSA8IHRtcCkgewoJRFJNX0lORk8oIkJJT1MgaGVhZGVyIGlzIGJy b2tlblxuIik7CglyZXR1cm4gZmFsc2U7Cn0KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2FtZC1nZngK