From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH] drm/amdgpu: defer test IBs on the rings at boot (V3) Date: Mon, 16 Apr 2018 17:29:00 +0800 Message-ID: <5AD46CDC.3000902@amd.com> References: <1523863066-5199-1-git-send-email-shirish.s@amd.com> <5AD46711.2030704@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: 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: =?UTF-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , Shirish S , Alexander.Deucher-5C7GfCeVMHo@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org T24gMDQvMTYvMjAxOCAwNToxOSBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBBbSAxNi4w NC4yMDE4IHVtIDExOjA0IHNjaHJpZWIgWmhhbmcsIEplcnJ5IChKdW53ZWkpOgo+PiBPbiAwNC8x Ni8yMDE4IDAzOjE3IFBNLCBTaGlyaXNoIFMgd3JvdGU6Cj4+PiBhbWRncHVfaWJfcmluZ190ZXN0 cygpIHJ1bnMgdGVzdCBJQidzIG9uIHJpbmdzIGF0IGJvb3QKPj4+IGNvbnRyaWJ1dGVzIHRvIH41 MDAgbXMgb2YgYW1kZ3B1IGRyaXZlcidzIGJvb3QgdGltZS4KPj4+Cj4+PiBUaGlzIHBhdGNoIGRl ZmVycyBpdCBhbmQgZW5zdXJlcyB0aGF0IGl0cyBleGVjdXRlZAo+Pj4gaW4gYW1kZ3B1X2luZm9f aW9jdGwoKSBpZiBpdCB3YXNuJ3Qgc2NoZWR1bGVkLgo+Pj4KPj4+IFYyOiBVc2UgcXVldWVfZGVs YXllZF93b3JrKCkgJiBmbHVzaF9kZWxheWVkX3dvcmsoKS4KPj4+IFYzOiByZW1vdmVkIHVzYWdl IG9mIHNlcGFyYXRlIHdxLCBlbnN1cmUgaWIgdGVzdHMgaXMKPj4+ICAgICAgcnVuIGJlZm9yZSBl bmFibGluZyBjbG9ja2dhdGluZy4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBTaGlyaXNoIFMgPHNo aXJpc2guc0BhbWQuY29tPgo+Pj4gLS0tCj4+PiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV9kZXZpY2UuYyB8IDE3ICsrKysrKy0tLS0tLS0tLS0tCj4+PiAgIGRyaXZlcnMvZ3B1 L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9rbXMuYyAgICB8ICAzICsrKwo+Pj4gICAyIGZpbGVzIGNo YW5nZWQsIDkgaW5zZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCj4+Pgo+Pj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZpY2UuYwo+Pj4gYi9kcml2 ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMKPj4+IGluZGV4IDE3NjJlYjQu LmYyMjU4NDAgMTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfZGV2aWNlLmMKPj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9k ZXZpY2UuYwo+Pj4gQEAgLTE2NTYsNiArMTY1NiwxMCBAQCBzdGF0aWMgaW50IGFtZGdwdV9kZXZp Y2VfaXBfbGF0ZV9zZXRfY2dfc3RhdGUoc3RydWN0Cj4+PiBhbWRncHVfZGV2aWNlICphZGV2KQo+ Pj4gICAgICAgaWYgKGFtZGdwdV9lbXVfbW9kZSA9PSAxKQo+Pj4gICAgICAgICAgIHJldHVybiAw Owo+Pj4KPj4+ICsgICAgciA9IGFtZGdwdV9pYl9yaW5nX3Rlc3RzKGFkZXYpOwo+Pj4gKyAgICBp ZiAocikKPj4+ICsgICAgICAgIERSTV9FUlJPUigiaWIgcmluZyB0ZXN0IGZhaWxlZCAoJWQpLlxu Iiwgcik7Cj4+PiArCj4+Cj4+IEp1c3QgY29uZmlybToKPj4gSUlSQywgaWIgbWF5IG5vdCBydW4g aW1tZWRpYXRlbHkgdmlhIHNjaGVkdWxlciB0aHJlYWQuCj4+IElzIHRoZXJlIGFueSBwb3NzaWJs ZSB0aGF0IHRoZSBhY3R1YWwgaWIgcmluZyB0ZXN0IGludGVyZmVyZXMgY2cgZW5hYmxlbWVudD8K Pgo+IE5vLCB0aGUgSUIgdGVzdHMgYXJlIHJ1biBkaXJlY3RseSBvbiB0aGUgaGFyZHdhcmUgcmlu ZyBhbmQgbm90IHRocm91Z2ggdGhlCj4gc2NoZWR1bGVyLgo+Cj4gQnV0IGV2ZW4gd2hlbiB3ZSBy dW4gdGhlbSB0aHJvdWdoIHRoZSBzY2hlZHVsZXIgd2Ugd2FpdCBmb3IgdGhlIHRvIGNvbXBsZXRl LCBzbwo+IHRoYXQgc2hvdWxkbid0IGJlIGFuIGlzc3VlLgoKVGhhbmtzIGZvciBleHBsYW5hdGlv bi4KVGhhdCdzIGZpbmUuCgpKZXJyeQoKPgo+IENocmlzdGlhbi4KPgo+Pgo+PiBKZXJyeQo+Pgo+ Pj4gICAgICAgZm9yIChpID0gMDsgaSA8IGFkZXYtPm51bV9pcF9ibG9ja3M7IGkrKykgewo+Pj4g ICAgICAgICAgIGlmICghYWRldi0+aXBfYmxvY2tzW2ldLnN0YXR1cy52YWxpZCkKPj4+ICAgICAg ICAgICAgICAgY29udGludWU7Cj4+PiBAQCAtMTcwNiw4ICsxNzEwLDggQEAgc3RhdGljIGludCBh bWRncHVfZGV2aWNlX2lwX2xhdGVfaW5pdChzdHJ1Y3QKPj4+IGFtZGdwdV9kZXZpY2UgKmFkZXYp Cj4+PiAgICAgICAgICAgfQo+Pj4gICAgICAgfQo+Pj4KPj4+IC0gICAgbW9kX2RlbGF5ZWRfd29y ayhzeXN0ZW1fd3EsICZhZGV2LT5sYXRlX2luaXRfd29yaywKPj4+IC0gICAgICAgICAgICBtc2Vj c190b19qaWZmaWVzKEFNREdQVV9SRVNVTUVfTVMpKTsKPj4+ICsgICAgcXVldWVfZGVsYXllZF93 b3JrKHN5c3RlbV93cSwgJmFkZXYtPmxhdGVfaW5pdF93b3JrLAo+Pj4gKyAgICAgICAgICAgICAg IG1zZWNzX3RvX2ppZmZpZXMoQU1ER1BVX1JFU1VNRV9NUykpOwo+Pj4KPj4+ICAgICAgIGFtZGdw dV9kZXZpY2VfZmlsbF9yZXNldF9tYWdpYyhhZGV2KTsKPj4+Cj4+PiBAQCAtMjM3NCwxMCArMjM3 OCw2IEBAIGludCBhbWRncHVfZGV2aWNlX2luaXQoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYs Cj4+PiAgICAgICAgICAgZ290byBmYWlsZWQ7Cj4+PiAgICAgICB9Cj4+Pgo+Pj4gLSAgICByID0g YW1kZ3B1X2liX3JpbmdfdGVzdHMoYWRldik7Cj4+PiAtICAgIGlmIChyKQo+Pj4gLSAgICAgICAg RFJNX0VSUk9SKCJpYiByaW5nIHRlc3QgZmFpbGVkICglZCkuXG4iLCByKTsKPj4+IC0KPj4+ICAg ICAgIGlmIChhbWRncHVfc3Jpb3ZfdmYoYWRldikpCj4+PiAgICAgICAgICAgYW1kZ3B1X3ZpcnRf aW5pdF9kYXRhX2V4Y2hhbmdlKGFkZXYpOwo+Pj4KPj4+IEBAIC0yNjQwLDExICsyNjQwLDYgQEAg aW50IGFtZGdwdV9kZXZpY2VfcmVzdW1lKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIGJvb2wKPj4+ IHJlc3VtZSwgYm9vbCBmYmNvbikKPj4+Cj4+PiAgICAgICBhbWRncHVfZmVuY2VfZHJpdmVyX3Jl c3VtZShhZGV2KTsKPj4+Cj4+PiAtICAgIGlmIChyZXN1bWUpIHsKPj4+IC0gICAgICAgIHIgPSBh bWRncHVfaWJfcmluZ190ZXN0cyhhZGV2KTsKPj4+IC0gICAgICAgIGlmIChyKQo+Pj4gLSAgICAg ICAgICAgIERSTV9FUlJPUigiaWIgcmluZyB0ZXN0IGZhaWxlZCAoJWQpLlxuIiwgcik7Cj4+PiAt ICAgIH0KPj4+Cj4+PiAgICAgICByID0gYW1kZ3B1X2RldmljZV9pcF9sYXRlX2luaXQoYWRldik7 Cj4+PiAgICAgICBpZiAocikKPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Ft ZGdwdS9hbWRncHVfa21zLmMKPj4+IGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1 X2ttcy5jCj4+PiBpbmRleCA0ODdkMzllLi44M2Q3MTYwIDEwMDY0NAo+Pj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2ttcy5jCj4+PiArKysgYi9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9hbWRncHVfa21zLmMKPj4+IEBAIC0yNzksNiArMjc5LDkgQEAgc3RhdGlj IGludCBhbWRncHVfaW5mb19pb2N0bChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB2b2lkCj4+PiAq ZGF0YSwgc3RydWN0IGRybV9maWxlCj4+PiAgICAgICBpZiAoIWluZm8tPnJldHVybl9zaXplIHx8 ICFpbmZvLT5yZXR1cm5fcG9pbnRlcikKPj4+ICAgICAgICAgICByZXR1cm4gLUVJTlZBTDsKPj4+ Cj4+PiArICAgIC8qIEVuc3VyZSBJQiB0ZXN0cyBhcmUgcnVuIG9uIHJpbmcgKi8KPj4+ICsgICAg Zmx1c2hfZGVsYXllZF93b3JrKCZhZGV2LT5sYXRlX2luaXRfd29yayk7Cj4+PiArCj4+PiAgICAg ICBzd2l0Y2ggKGluZm8tPnF1ZXJ5KSB7Cj4+PiAgICAgICBjYXNlIEFNREdQVV9JTkZPX0FDQ0VM X1dPUktJTkc6Cj4+PiAgICAgICAgICAgdWkzMiA9IGFkZXYtPmFjY2VsX3dvcmtpbmc7Cj4+Pgo+ Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZngg bWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=