From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhoucm1 Subject: Re: [PATCH] drm/amdgpu: fix deadlock of reservation between cs and gpu reset Date: Thu, 27 Apr 2017 18:23:57 +0800 Message-ID: <5901C6BD.1070303@amd.com> References: <1493281554-9898-1-git-send-email-David1.Zhou@amd.com> <5901B526.6080305@amd.com> <62336e5c-571a-196f-6c07-be25c928cdd3@vodafone.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <62336e5c-571a-196f-6c07-be25c928cdd3-ANTagKRnAhcb1SvskN2V4Q@public.gmane.org> 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: =?UTF-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Zhang, Jerry (Junwei)" , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Monk.Liu-5C7GfCeVMHo@public.gmane.org CgpPbiAyMDE35bm0MDTmnIgyN+aXpSAxODoxMSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBB bSAyNy4wNC4yMDE3IHVtIDExOjA4IHNjaHJpZWIgWmhhbmcsIEplcnJ5IChKdW53ZWkpOgo+PiBP biAwNC8yNy8yMDE3IDA0OjI1IFBNLCBDaHVubWluZyBaaG91IHdyb3RlOgo+Pj4gdGhlIGNhc2Ug Y291bGQgaGFwcGVuIHdoZW4gZ3B1IHJlc2V0Ogo+Pj4gMS4gd2hlbiBncHUgcmVzZXQsIGNzIGNh biBiZSBjb250aW51ZSB1bnRpbCBzdyBxdWV1ZSBpcyBmdWxsLCB0aGVuIAo+Pj4gcHVzaCBqb2Ig d2lsbCB3YWl0IHdpdGggaG9sZGluZyBwZCByZXNlcnZhdGlvbi4KPj4+IDIuIGdwdV9yZXNldCBy b3V0aW5lIHdpbGwgYWxzbyBuZWVkIHBkIHJlc2VydmF0aW9uIHRvIHJlc3RvcmUgcGFnZSAKPj4+ IHRhYmxlIGZyb20gdGhlaXIgc2hhZG93Lgo+Pj4gMy4gY3MgaXMgd2FpdGluZyBmb3IgZ3B1X3Jl c2V0IGNvbXBsZXRlLCBidXQgZ3B1IHJlc2V0IGlzIHdhaXRpbmcgCj4+PiBmb3IgY3MgcmVsZWFz ZXMgcmVzZXJ2YXRpb24uCj4+Pgo+Pj4gQ2hhbmdlLUlkOiBJMGY2NmQwNGIyYmVmMzQzMzAzNTEw OTYyM2M4YTVjNTk5MmM4NDIwMgo+Pj4gU2lnbmVkLW9mZi1ieTogQ2h1bm1pbmcgWmhvdSA8RGF2 aWQxLlpob3VAYW1kLmNvbT4KPj4+IC0tLQo+Pj4gICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdw dS9hbWRncHVfY3MuYyB8IDIgKysKPj4+ICAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygr KQo+Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVf Y3MuYyAKPj4+IGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2NzLmMKPj4+IGlu ZGV4IDllZGIxYTQuLmE2NzIyYTcgMTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS9hbWRncHVfY3MuYwo+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X2NzLmMKPj4+IEBAIC0xMDc2LDYgKzEwNzYsNyBAQCBzdGF0aWMgaW50IGFtZGdwdV9j c19zdWJtaXQoc3RydWN0IAo+Pj4gYW1kZ3B1X2NzX3BhcnNlciAqcCwKPj4+ICAgICAgIGFtZGdw dV9qb2JfZnJlZV9yZXNvdXJjZXMoam9iKTsKPj4+Cj4+PiAgICAgICB0cmFjZV9hbWRncHVfY3Nf aW9jdGwoam9iKTsKPj4+ICsgICAgYW1kZ3B1X2NzX3BhcnNlcl9maW5pKHAsIDAsIHRydWUpOwo+ Pgo+PiBQbGVhc2UgY29uZmlybToKPj4gSXQgd2lsbCBub3QgZnJlZS9yZWxlYXNlIG1vcmUgdGhp bmdzIHRoYXQgbWF5IGJlIGFjY2Vzc2VkIGluIGpvYiAKPj4gd29ya2luZyBwcm9jZXNzLCBhcyBj c19wYXJzZV9maW5pIGZyZWUgc28gbWFueSB0aGluZ3MgcmVsYXRlZCB0byBwYXJzZXIuCj4KPiBZ ZWFoLCB0aGF0IGluZGVlZCB3b24ndCB3b3JrLiBhbWRncHVfY3NfcGFyc2VyX2ZpbmkoKSBkb2Vz Ogo+Ck5vLCB3aXRoIG15IHBhdGNoLCBwYXJzZXItPmpvYiBhbHJlYWR5IGlzIE5VTEwgaGVyZSwg c2FtZSBhcyBwcmV2aW91cyAKc2VxdWVuY2UsIGp1c3QgcHV0IHB1c2hfam9iIGFjdGlvbiBhZnRl ciBhbWRncHVfY3NfcGFyc2VyX2ZpbmkoKQo+ICAgICAgICAgaWYgKHBhcnNlci0+am9iKQo+ICAg ICAgICAgICAgICAgICBhbWRncHVfam9iX2ZyZWUocGFyc2VyLT5qb2IpOwo+Cj4gQW5kIGFtZGdw dV9jc19zdWJtaXQoKSBzZXRzIHRoZSBmZW5jZSwgc28gaXQgbXVzdCBiZSBjYWxsZWQgYmVmb3Jl IAo+IGFtZGdwdV9jc19wYXJzZXJfZmluaSgpLgp5ZXMsIGZlbmNlIGlzIGFscmVhZHkgZ2VuZXJh dGVkLCBzbyBhbWRncHVfY3NfcGFyc2VyX2ZpbmkgYmVmb3JlIHB1c2hpbmcgCmpvYiBpcyBjb21w bGV0ZWx5IHNhZmUgaGVyZS4KPgo+IEJ1dCBhcGFydCBmcm9tIHRoYXQgdGhpcyBpcyBhIHJhdGhl ciBuaWZ0eSBpZGVhLiBXaGF0IHdhcyB0aGUgcHJvYmxlbSAKPiB3aXRoIHRoZSBpbml0aWFsIHBh dGNoPwpKdXN0IGFzIGNvbW1lbnRzIGluIHBhdGNoLCB3aGljaCBpcyBmb3VuZCBieSBNb25rLgoK UmVnYXJkcywKRGF2aWQgWmhvdQo+Cj4+Cj4+IE9yIHdlIGNhbiBqdXN0IHJlbGVhc2UgdGhlIHBk IHJlc2VydmF0aW9uIGhlcmU/Cj4KPiBXZSBjb3VsZCBydW4gaW50byBwcm9ibGVtIHdpdGggdGhl IHJlc2VydmF0aW9uIHRpY2tlZCB3aXRoIHRoYXQuIFNvIEkgCj4gd291bGQgd2FudCB0byBhdm9p ZCB0aGF0Lgo+Cj4gQ2hyaXN0aWFuLgo+Cj4+Cj4+IEplcnJ5Cj4+Cj4+PiBhbWRfc2NoZWRfZW50 aXR5X3B1c2hfam9iKCZqb2ItPmJhc2UpOwo+Pj4KPj4+ICAgICAgIHJldHVybiAwOwo+Pj4gQEAg LTExMzAsNiArMTEzMSw3IEBAIGludCBhbWRncHVfY3NfaW9jdGwoc3RydWN0IGRybV9kZXZpY2Ug KmRldiwgCj4+PiB2b2lkICpkYXRhLCBzdHJ1Y3QgZHJtX2ZpbGUgKmZpbHApCj4+Pgo+Pj4gICAg ICAgciA9IGFtZGdwdV9jc19zdWJtaXQoJnBhcnNlciwgY3MpOwo+Pj4KPj4+ICsgICAgcmV0dXJu IHI7Cj4+PiAgIG91dDoKPj4+ICAgICAgIGFtZGdwdV9jc19wYXJzZXJfZmluaSgmcGFyc2VyLCBy LCByZXNlcnZlZF9idWZmZXJzKTsKPj4+ICAgICAgIHJldHVybiByOwo+Pj4KPj4gX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPj4gYW1kLWdmeCBtYWlsaW5n IGxpc3QKPj4gYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPj4gaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cj4KPgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QK YW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==