From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Zhang, Jerry(Junwei)" <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH 6/8] drm/amdgpu: always reserve two slots for the VM
Date: Wed, 24 Oct 2018 13:27:34 +0800
Message-ID: <b6591864-581a-acbe-c641-1eb590e1205a@amd.com>
References: <20181004131250.2373-1-christian.koenig@amd.com>
 <20181004131250.2373-6-christian.koenig@amd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20181004131250.2373-6-christian.koenig-5C7GfCeVMHo@public.gmane.org>
Content-Language: en-US
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: =?UTF-8?Q?Christian_K=c3=b6nig?= <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
List-Id: dri-devel@lists.freedesktop.org

T24gMTAvNC8xOCA5OjEyIFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+IEFuZCBkcm9wIHRo
ZSBub3cgc3VwZXJmbG91cyBleHRyYSByZXNlcnZhdGlvbnMuCj4KPiBTaWduZWQtb2ZmLWJ5OiBD
aHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4gLS0tCj4gICBkcml2
ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYyB8ICA0IC0tLS0KPiAgIGRyaXZlcnMv
Z3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jIHwgMTUgKysrKysrLS0tLS0tLS0tCj4gICAy
IGZpbGVzIGNoYW5nZWQsIDYgaW5zZXJ0aW9ucygrKSwgMTMgZGVsZXRpb25zKC0pCj4KPiBkaWZm
IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMgYi9kcml2ZXJz
L2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYwo+IGluZGV4IGI4ZGU1NmQxYTg2Ni4uYmE0
MDZiZDFiMDhmIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdw
dV9jcy5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMKPiBA
QCAtOTY0LDEwICs5NjQsNiBAQCBzdGF0aWMgaW50IGFtZGdwdV9jc192bV9oYW5kbGluZyhzdHJ1
Y3QgYW1kZ3B1X2NzX3BhcnNlciAqcCkKPiAgIAlpZiAocikKPiAgIAkJcmV0dXJuIHI7Cj4gICAK
PiAtCXIgPSByZXNlcnZhdGlvbl9vYmplY3RfcmVzZXJ2ZV9zaGFyZWQodm0tPnJvb3QuYmFzZS5i
by0+dGJvLnJlc3YsIDEpOwo+IC0JaWYgKHIpCj4gLQkJcmV0dXJuIHI7Cj4gLQo+ICAgCXAtPmpv
Yi0+dm1fcGRfYWRkciA9IGFtZGdwdV9nbWNfcGRfYWRkcih2bS0+cm9vdC5iYXNlLmJvKTsKPiAg
IAo+ICAgCWlmIChhbWRncHVfdm1fZGVidWcpIHsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv
ZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ZtLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h
bWRncHVfdm0uYwo+IGluZGV4IDIxODUyN2JiMDE1Ni4uMWIzOWIwMTQ0Njk4IDEwMDY0NAo+IC0t
LSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4gKysrIGIvZHJpdmVy
cy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ZtLmMKPiBAQCAtNjE2LDcgKzYxNiw4IEBAIHZv
aWQgYW1kZ3B1X3ZtX2dldF9wZF9ibyhzdHJ1Y3QgYW1kZ3B1X3ZtICp2bSwKPiAgIHsKPiAgIAll
bnRyeS0+cHJpb3JpdHkgPSAwOwo+ICAgCWVudHJ5LT50di5ibyA9ICZ2bS0+cm9vdC5iYXNlLmJv
LT50Ym87Cj4gLQllbnRyeS0+dHYubnVtX3NoYXJlZCA9IDE7Cj4gKwkvKiBPbmUgZm9yIHRoZSBW
TSB1cGRhdGVzIGFuZCBvbmUgZm9yIHRoZSBDUyBqb2IgKi8KPiArCWVudHJ5LT50di5udW1fc2hh
cmVkID0gMjsKPiAgIAllbnRyeS0+dXNlcl9wYWdlcyA9IE5VTEw7Cj4gICAJbGlzdF9hZGQoJmVu
dHJ5LT50di5oZWFkLCB2YWxpZGF0ZWQpOwo+ICAgfQo+IEBAIC03NzIsMTAgKzc3Myw2IEBAIHN0
YXRpYyBpbnQgYW1kZ3B1X3ZtX2NsZWFyX2JvKHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2LAo+
ICAgCj4gICAJcmluZyA9IGNvbnRhaW5lcl9vZih2bS0+ZW50aXR5LnJxLT5zY2hlZCwgc3RydWN0
IGFtZGdwdV9yaW5nLCBzY2hlZCk7Cj4gICAKPiAtCXIgPSByZXNlcnZhdGlvbl9vYmplY3RfcmVz
ZXJ2ZV9zaGFyZWQoYm8tPnRiby5yZXN2LCAxKTsKPiAtCWlmIChyKQo+IC0JCXJldHVybiByOwo+
IC0KCkEgdHJpdmlhbCB0aGluZywgdGhpcyBjaGFuZ2UgbWF5IGJlbG9uZyB0byBuZXh0IHBhdGNo
Lgp0aGlzIHBhdGNoIGxvb2tzIGRyb3BwaW5nIHRoZSByZXN2IGZvciByb290IGJvLgoKUmVnYXJk
cywKSmVycnkKCj4gICAJciA9IHR0bV9ib192YWxpZGF0ZSgmYm8tPnRibywgJmJvLT5wbGFjZW1l
bnQsICZjdHgpOwo+ICAgCWlmIChyKQo+ICAgCQlnb3RvIGVycm9yOwo+IEBAIC0xODM5LDEwICsx
ODM2LDYgQEAgc3RhdGljIGludCBhbWRncHVfdm1fYm9fdXBkYXRlX21hcHBpbmcoc3RydWN0IGFt
ZGdwdV9kZXZpY2UgKmFkZXYsCj4gICAJaWYgKHIpCj4gICAJCWdvdG8gZXJyb3JfZnJlZTsKPiAg
IAo+IC0JciA9IHJlc2VydmF0aW9uX29iamVjdF9yZXNlcnZlX3NoYXJlZCh2bS0+cm9vdC5iYXNl
LmJvLT50Ym8ucmVzdiwgMSk7Cj4gLQlpZiAocikKPiAtCQlnb3RvIGVycm9yX2ZyZWU7Cj4gLQo+
ICAgCXIgPSBhbWRncHVfdm1fdXBkYXRlX3B0ZXMoJnBhcmFtcywgc3RhcnQsIGxhc3QgKyAxLCBh
ZGRyLCBmbGFncyk7Cj4gICAJaWYgKHIpCj4gICAJCWdvdG8gZXJyb3JfZnJlZTsKPiBAQCAtMzAy
Myw2ICszMDE2LDEwIEBAIGludCBhbWRncHVfdm1faW5pdChzdHJ1Y3QgYW1kZ3B1X2RldmljZSAq
YWRldiwgc3RydWN0IGFtZGdwdV92bSAqdm0sCj4gICAJaWYgKHIpCj4gICAJCWdvdG8gZXJyb3Jf
ZnJlZV9yb290Owo+ICAgCj4gKwlyID0gcmVzZXJ2YXRpb25fb2JqZWN0X3Jlc2VydmVfc2hhcmVk
KHJvb3QtPnRiby5yZXN2LCAxKTsKPiArCWlmIChyKQo+ICsJCWdvdG8gZXJyb3JfdW5yZXNlcnZl
Owo+ICsKPiAgIAlyID0gYW1kZ3B1X3ZtX2NsZWFyX2JvKGFkZXYsIHZtLCByb290LAo+ICAgCQkJ
ICAgICAgIGFkZXYtPnZtX21hbmFnZXIucm9vdF9sZXZlbCwKPiAgIAkJCSAgICAgICB2bS0+cHRl
X3N1cHBvcnRfYXRzKTsKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn
Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=