From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Kuehling Subject: Re: [PATCH] drm/amdgpu: try again kiq access if not in IRQ(v2) Date: Thu, 1 Mar 2018 10:50:25 -0500 Message-ID: <3d12195d-44d3-d9b1-82cd-482f49534ec5@amd.com> References: <1519802862-9513-1-git-send-email-Monk.Liu@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1519802862-9513-1-git-send-email-Monk.Liu-5C7GfCeVMHo@public.gmane.org> Content-Language: en-CA 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: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, "Liu, Monk" T24gMjAxOC0wMi0yOCAwMjoyNyBBTSwgTW9uayBMaXUgd3JvdGU6Cj4gc29tZXRpbWVzIEdQVSBp cyBzd2l0Y2hlZCB0byBvdGhlciBWRnMgYW5kIHdvbid0IHN3aWNoCj4gYmFjayBzb29uLCBzbyB0 aGUga2lxIHJlZyBhY2Nlc3Mgd2lsbCBub3Qgc2lnbmFsIHdpdGhpbgo+IGEgc2hvcnQgcGVyaW9k LCBpbnN0ZWFkIG9mIGJ1c3kgd2FpdGluZyBhIGxvbmcgdGltZShNQVhfS0VRX1JFR19XQUlUKQo+ IGFuZCByZXR1cm5pbmcgVE1PIHdlIGNhbiBpc3RlYWQgc2xlZXAgNW1zIGFuZCB0cnkgYWdhaW4K PiBsYXRlciAobm9uIGlycSBjb250ZXh0KQo+Cj4gQW5kIHNpbmNlIHRoZSB3YWl0aW5nIGluIGtp cV9yL3dlZyBpcyBidXN5IHdhaXQsIHNvIE1BWF9LSVFfUkVHX1dBSVQKPiBzaG91bGRuJ3Qgc2V0 IHRvIGEgbG9uZyB0aW1lLCBzZXQgaXQgdG8gMTBtcyBpcyBtb3JlIGFwcHJvcHJpYXRlLgo+Cj4g aWYgZ3B1IGFscmVhZHkgaW4gcmVzZXQgc3RhdGUsIGRvbid0IHJldHJ5IHRoZSBLSVEgcmVnIGFj Y2Vzcwo+IG90aGVyd2lzZSBpdCB3b3VsZCBhbHdheXMgaGFuZyBiZWNhdXNlIEtJUSB3YXMgYWxy ZWFkeSBkaWUgdXN1YWxseS4KPgo+IHYyOgo+IHJlcGxhY2Ugc2NoZWR1bGUoKSB3aXRoIG1zbGVl cCgpIGZvciB0aGUgd2FpdAo+Cj4gQ2hhbmdlLUlkOiBJOGZjODA3Y2U4NWE4ZDMwZDJiNTAxNTNm M2YzYTZlZGEzNDRlZjk5NAo+IFNpZ25lZC1vZmYtYnk6IE1vbmsgTGl1IDxNb25rLkxpdUBhbWQu Y29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmlydC5jIHwg MTUgKysrKysrKysrKysrKy0tCj4gIDEgZmlsZSBjaGFuZ2VkLCAxMyBpbnNlcnRpb25zKCspLCAy IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV92aXJ0LmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdmlydC5j Cj4gaW5kZXggYjgzMjY1MS4uMTY3MmY1YiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0v YW1kL2FtZGdwdS9hbWRncHVfdmlydC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRn cHUvYW1kZ3B1X3ZpcnQuYwo+IEBAIC0yMiw3ICsyMiw3IEBACj4gICAqLwo+ICAKPiAgI2luY2x1 ZGUgImFtZGdwdS5oIgo+IC0jZGVmaW5lIE1BWF9LSVFfUkVHX1dBSVQJMTAwMDAwMDAwIC8qIGlu IHVzZWNzICovCj4gKyNkZWZpbmUgTUFYX0tJUV9SRUdfV0FJVAkxMDAwMCAvKiBpbiB1c2Vjcywg MTBtcyAqLwo+ICAKPiAgdWludDY0X3QgYW1kZ3B1X2NzYV92YWRkcihzdHJ1Y3QgYW1kZ3B1X2Rl dmljZSAqYWRldikKPiAgewo+IEBAIC0xNTIsOSArMTUyLDE0IEBAIHVpbnQzMl90IGFtZGdwdV92 aXJ0X2tpcV9ycmVnKHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2LCB1aW50MzJfdCByZWcpCj4g IAlhbWRncHVfcmluZ19jb21taXQocmluZyk7Cj4gIAlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZr aXEtPnJpbmdfbG9jaywgZmxhZ3MpOwo+ICAKPiArcmV0cnlfcmVhZDoKPiAgCXIgPSBhbWRncHVf ZmVuY2Vfd2FpdF9wb2xsaW5nKHJpbmcsIHNlcSwgTUFYX0tJUV9SRUdfV0FJVCk7Cj4gIAlpZiAo ciA8IDEpIHsKPiAgCQlEUk1fRVJST1IoIndhaXQgZm9yIGtpcSBmZW5jZSBlcnJvcjogJWxkXG4i LCByKTsKPiArCQlpZiAoIWluX2ludGVycnVwdCgpICYmICFhZGV2LT5pbl9ncHVfcmVzZXQpIHsK CllvdSBzaG91bGQgY2hlY2sgaW5fYXRvbWljIGhlcmUuIEJlY2F1c2UgaXQncyBpbnZhbGlkIHRv IHNsZWVwIGluIGF0b21pYwpjb250ZXh0IChlLmcuIHdoaWxlIGhvbGRpbmcgYSBzcGluIGxvY2sp IGV2ZW4gd2hlbiBub3QgaW4gYW4gaW50ZXJydXB0LgpUaGlzIHNlZW1zIHRvIGhhcHBlbiBhIGxv dCBmb3IgaW5kaXJlY3QgcmVnaXN0ZXIgYWNjZXNzLCBlLmcuCnNvYzE1X3BjaWVfcnJlZy4KClJl Z2FyZHMsCsKgIEZlbGl4Cgo+ICsJCQltc2xlZXAoNSk7Cj4gKwkJCWdvdG8gcmV0cnlfcmVhZDsK PiArCQl9Cj4gIAkJcmV0dXJuIH4wOwo+ICAJfQo+ICAJdmFsID0gYWRldi0+d2Iud2JbYWRldi0+ dmlydC5yZWdfdmFsX29mZnNdOwo+IEBAIC0xNzksOSArMTg0LDE1IEBAIHZvaWQgYW1kZ3B1X3Zp cnRfa2lxX3dyZWcoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYsIHVpbnQzMl90IHJlZywgdWlu dDMyX3QgdikKPiAgCWFtZGdwdV9yaW5nX2NvbW1pdChyaW5nKTsKPiAgCXNwaW5fdW5sb2NrX2ly cXJlc3RvcmUoJmtpcS0+cmluZ19sb2NrLCBmbGFncyk7Cj4gIAo+ICtyZXRyeV93cml0ZToKPiAg CXIgPSBhbWRncHVfZmVuY2Vfd2FpdF9wb2xsaW5nKHJpbmcsIHNlcSwgTUFYX0tJUV9SRUdfV0FJ VCk7Cj4gLQlpZiAociA8IDEpCj4gKwlpZiAociA8IDEpIHsKPiAgCQlEUk1fRVJST1IoIndhaXQg Zm9yIGtpcSBmZW5jZSBlcnJvcjogJWxkXG4iLCByKTsKPiArCQlpZiAoIWluX2ludGVycnVwdCgp ICYmICFhZGV2LT5pbl9ncHVfcmVzZXQpIHsKPiArCQkJbXNsZWVwKDUpOwo+ICsJCQlnb3RvIHJl dHJ5X3dyaXRlOwo+ICsJCX0KPiArCX0KPiAgfQo+ICAKPiAgLyoqCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK