From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Deucher Subject: Re: GPU passthrough support for Stoney [Radeon R2/R3/R4/R5 Graphics]? Date: Wed, 22 May 2019 16:39:24 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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: Micah Morton Cc: amd-gfx list T24gVHVlLCBNYXkgMjEsIDIwMTkgYXQgMTo0NiBQTSBNaWNhaCBNb3J0b24gPG1vcnRvbm1AY2hy b21pdW0ub3JnPiB3cm90ZToKPgo+IE9uIEZyaSwgTWF5IDE3LCAyMDE5IGF0IDk6NTkgQU0gQWxl eCBEZXVjaGVyIDxhbGV4ZGV1Y2hlckBnbWFpbC5jb20+IHdyb3RlOgo+ID4KPiA+IE9uIEZyaSwg TWF5IDE3LCAyMDE5IGF0IDExOjM2IEFNIE1pY2FoIE1vcnRvbiA8bW9ydG9ubUBjaHJvbWl1bS5v cmc+IHdyb3RlOgo+ID4gPgo+ID4gPiBPbiBUaHUsIE1heSAxNiwgMjAxOSBhdCAxOjM5IFBNIEFs ZXggRGV1Y2hlciA8YWxleGRldWNoZXJAZ21haWwuY29tPiB3cm90ZToKPiA+ID4gPgo+ID4gPiA+ IE9uIFRodSwgTWF5IDE2LCAyMDE5IGF0IDQ6MDcgUE0gTWljYWggTW9ydG9uIDxtb3J0b25tQGNo cm9taXVtLm9yZz4gd3JvdGU6Cj4gPiA+ID4gPgo+ID4gPiA+ID4gT24gV2VkLCBNYXkgMTUsIDIw MTkgYXQgNzoxOSBQTSBBbGV4IERldWNoZXIgPGFsZXhkZXVjaGVyQGdtYWlsLmNvbT4gd3JvdGU6 Cj4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IE9uIFdlZCwgTWF5IDE1LCAyMDE5IGF0IDI6MjYgUE0g TWljYWggTW9ydG9uIDxtb3J0b25tQGNocm9taXVtLm9yZz4gd3JvdGU6Cj4gPiA+ID4gPiA+ID4K PiA+ID4gPiA+ID4gPiBIaSBmb2xrcywKPiA+ID4gPiA+ID4gPgo+ID4gPiA+ID4gPiA+IEknbSBp bnRlcmVzdGVkIGluIHJ1bm5pbmcgYSBWTSBvbiBhIHN5c3RlbSB3aXRoIGFuIGludGVncmF0ZWQg U3RvbmV5Cj4gPiA+ID4gPiA+ID4gW1JhZGVvbiBSMi9SMy9SNC9SNSBHcmFwaGljc10gY2FyZCBh bmQgcGFzc2luZyB0aHJvdWdoIHRoZSBncmFwaGljcwo+ID4gPiA+ID4gPiA+IGNhcmQgdG8gdGhl IFZNIHVzaW5nIHRoZSBJT01NVS4gSSdtIHdvbmRlcmluZyB3aGV0aGVyIHRoaXMgaXMgZmVhc2li bGUKPiA+ID4gPiA+ID4gPiBhbmQgc3VwcG9zZWQgdG8gYmUgZG9hYmxlIHdpdGggdGhlIHJpZ2h0 IHNldHVwIChhcyBvcHBvc2VkIHRvIHBhc3NpbmcKPiA+ID4gPiA+ID4gPiBhIGRpc2NyZXRlIEdQ VSB0byB0aGUgVk0sIHdoaWNoIEkgdGhpbmsgaXMgZGVmaW5pdGVseSBkb2FibGU/KS4KPiA+ID4g PiA+ID4gPgo+ID4gPiA+ID4gPiA+IFNvIGZhciwgSSBjYW4gZG8gYWxsIHRoZSBxZW11L2t2bS92 ZmlvL2lvbW11IHN0dWZmIHRvIHJ1biB0aGUgVk0gYW5kCj4gPiA+ID4gPiA+ID4gcGFzcyB0aGUg aW50ZWdyYXRlZCBHUFUgdG8gaXQsIGJ1dCB0aGUgZHJtIGRyaXZlciBpbiB0aGUgVk0gZmFpbHMK PiA+ID4gPiA+ID4gPiBkdXJpbmcgYW1kZ3B1X2RldmljZV9pbml0KCkuIFNwZWNpZmljYWxseSwg dGhlIGxvZ3Mgc2hvdyB0aGUgU01VIGJlaW5nCj4gPiA+ID4gPiA+ID4gdW5yZXNwb25zaXZlLCB3 aGljaCBsZWFkcyB0byBhICdTTVUgZmlybXdhcmUgbG9hZCBmYWlsZWQnIGVycm9yCj4gPiA+ID4g PiA+ID4gbWVzc2FnZSBhbmQga2VybmVsIHBhbmljLiBJIGNhbiBzaGFyZSBWTSBsb2dzIGFuZCB0 aGUgaW52b2NhdGlvbiBvZgo+ID4gPiA+ID4gPiA+IHFlbXUgYW5kIHN1Y2ggaWYgaGVscGZ1bCwg YnV0IGZpcnN0IHdhbnRlZCB0byBrbm93IGF0IGEgaGlnaCBsZXZlbCBpZgo+ID4gPiA+ID4gPiA+ IHRoaXMgc2hvdWxkIGJlIGZlYXNpYmxlPwo+ID4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+ID4gUC5T LjogSSdtIG5vdCBpbml0aWFsaXppbmcgdGhlIEdQVSBpbiB0aGUgaG9zdCBiaW9zIG9yIGhvc3Qg a2VybmVsIGF0Cj4gPiA+ID4gPiA+ID4gYWxsLCBzbyBJIHNob3VsZCBiZSBwYXNzaW5nIGEgZnJl c2ggR1BVIHRvIHRoZSBWTS4gQWxzbywgSSdtIHByZXR0eQo+ID4gPiA+ID4gPiA+IHN1cmUgSSdt IHJ1bm5pbmcgdGhlIGNvcnJlY3QgVkdBIGJpb3MgZm9yIHRoaXMgR1BVIGluIHRoZSBndWVzdCBW TQo+ID4gPiA+ID4gPiA+IGJpb3MgYmVmb3JlIGd1ZXN0IGJvb3QuCj4gPiA+ID4gPiA+ID4KPiA+ ID4gPiA+ID4gPiBBbnkgY29tbWVudHMvc3VnZ2VzdGlvbnMgd291bGQgYmUgYXBwcmVjaWF0ZWQh Cj4gPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IEl0IHNob3VsZCB3b3JrIGluIGF0IGxlYXN0IG9uY2Ug YXMgbG9uZyBhcyB5b3VyIHZtIGlzIHByb3Blcmx5IHNldCB1cC4KPiA+ID4gPiA+Cj4gPiA+ID4g PiBJcyB0aGVyZSBhbnkgcmVhc29uIHJ1bm5pbmcgY29yZWJvb3QgdnMgVUVGSSBhdCBob3N0IGJv b3Qgd291bGQgbWFrZSBhCj4gPiA+ID4gPiBkaWZmZXJlbmNlPyBJIHdhcyBydW5uaW5nIGEgbW9k aWZpZWQgdmVyc2lvbiBvZiBjb3JlYm9vdCB0aGF0IGF2b2lkcwo+ID4gPiA+ID4gZG9pbmcgYW55 IEdQVSBpbml0aWFsaXphdGlvbiBpbiBmaXJtd2FyZSAtLSBzbyB0aGUgZmlyc3QgUE9TVCBoYXBw ZW5zCj4gPiA+ID4gPiBpbnNpZGUgdGhlIGd1ZXN0Lgo+ID4gPiA+Cj4gPiA+ID4gVGhlIEdQVSBv biBBUFVzIHNoYXJlcyBhIGJ1bmNoIG9mIHJlc291cmNlcyB3aXRoIHRoZSBDUFUuICBUaGVyZSBh cmUgYQo+ID4gPiA+IGJ1bmNoIG9mIGJsb2NrcyB3aGljaCBhcmUgc2hhcmVkIGFuZCBuZWVkIHRv IGJlIGluaXRpYWxpemVkIG9uIGJvdGgKPiA+ID4gPiBmb3IgZXZlcnl0aGluZyB0byB3b3JrIHBy b3Blcmx5Lgo+ID4gPgo+ID4gPiBJbnRlcmVzdGluZy4gU28gc2tpcHBpbmcgcnVubmluZyB0aGUg dmJpb3MgaW4gdGhlIGhvc3QgYW5kIHdhaXRpbmcKPiA+ID4gdW50aWwgcnVubmluZyBpdCBmb3Ig dGhlIGZpcnN0IHRpbWUgaW4gdGhlIGd1ZXN0IFNlYUJJT1MgaXMgYSBiYWQKPiA+ID4gaWRlYT8g V291bGQgaXQgYmUgYmV0dGVyIHRvIGxldCBBUFUrQ1BVIGluaXRpYWxpemUgbm9ybWFsbHkgaW4g dGhlCj4gPiA+IGhvc3QgYW5kIHRoZW4gc2tpcCB0cnlpbmcgdG8gcnVuIHRoZSB2YmlvcyBpbiBn dWVzdCBTZWFCSU9TIGFuZCBqdXN0Cj4gPiA+IGRvIHNvbWUga2luZCBvZiByZXNldCBiZWZvcmUg dGhlIGRybSBkcml2ZXIgc3RhcnRzIGFjY2Vzc2luZyBpdCBmcm9tCj4gPiA+IHRoZSBndWVzdD8K PiA+Cj4gPiBJZiB5b3UgbGV0IHRoZSBzYmlvcyBpbml0aWFsaXplIHRoaW5ncywgaXQgc2hvdWxk IHdvcmsuICBUaGUgZHJpdmVyCj4gPiB3aWxsIGRvIHRoZSByaWdodCB0aGluZyB0byBpbml0IHRo ZSBjYXJkIHdoZW4gaXQgbG9hZHMgd2hldGhlciBpdHMKPiA+IHJ1bm5pbmcgb24gYmFyZSBtZXRh bCBvciBpbiBhIFZNLiAgV2UndmUgbmV2ZXIgdGVzdGVkIGFueSBzY2VuYXJpb3MKPiA+IHdoZXJl IHRoZSBHUFUgb24gQVBVcyBpcyBub3QgaGFuZGxlZCBieSB0aGUgc2Jpb3MuICBOb3RlIHRoYXQg dGhlIEdQVQo+ID4gZG9lcyBub3QgaGF2ZSB0byBiZSBwb3N0ZWQgcGVyIHNlLCBpdCBqdXN0IG5l ZWRzIHRvIGhhdmUgYmVlbiBwcm9wZXJseQo+ID4gdGFrZW4gaW50byBhY2NvdW50IHdoZW4gdGhl IHNiaW9zIGNvbWVzIHVwIHNvIHRoYXQgc2hhcmVkIGNvbXBvbmVudHMKPiA+IGFyZSBpbml0aWFs aXplZCBjb3JyZWN0bHkuICBJIGRvbid0IGtub3cgd2hhdCB5b3VyIHBhdGNoZWQgc3lzdGVtIGRv ZXMKPiA+IG9yIGRvZXNuJ3QgZG8gd2l0aCByZXNwZWN0IHRvIHRoZSBwbGF0Zm9ybSBpbml0aWFs aXphdGlvbi4KPgo+IFNvIGl0IHNvdW5kcyBsaWtlIHlvdSBhcmUgc3VnZ2VzdGluZyB0aGUgZm9s bG93aW5nOgo+Cj4gYSkgUnVuIHRoZSB2YmlvcyBhcyBwYXJ0IG9mIHRoZSBob3N0IHNiaW9zIHRv IGluaXRpYWxpemUgc3R1ZmYgYW5kCj4gcGF0Y2ggdXAgdGhlIHZiaW9zCj4KPiBiKSBEb24ndCBy dW4gdGhlIGRybS9hbWRncHUgZHJpdmVyIGluIHRoZSBob3N0LCB3YWl0IHVudGlsIHRoZSBndWVz dCBmb3IgdGhhdAo+Cj4gYykgQXZvaWQgcnVubmluZyB0aGUgdmJpb3MgKGFnYWluKSBpbiB0aGUg Z3Vlc3Qgc2Jpb3Mgc2luY2UgaXQgaGFzCj4gYWxyZWFkeSBiZWVuIHJ1bi4gQWx0aG91Z2ggc2lu Y2UgInRoZSBkcml2ZXIgbmVlZHMgYWNjZXNzIHRvIHRoZSB2Ymlvcwo+IGltYWdlIGluIHRoZSBn dWVzdCB0byBnZXQgZGV2aWNlIHNwZWNpZmljIGNvbmZpZ3VyYXRpb24gZGV0YWlscyIgSQo+IHNo b3VsZCBzdGlsbCBkbyAnLWRldmljZQo+IHZmaW8tcGNpLC4uLixyb21maWxlPS9wYXRoL3RvL3Zi aW9zLXRoYXQtd2FzLWZpeGVkLXVwLWJ5LWhvc3Qtc2Jpb3MnLAo+IGJ1dCBzaG91bGQgcGF0Y2gg dGhlIGd1ZXN0IHNiaW9zIHRvIGF2b2lkIHJ1bm5pbmcgdGhlIHZiaW9zIGFnYWluIGluCj4gdGhl IGd1ZXN0Pwo+Cj4gZCkgcnVuIHRoZSBkcm0vYW1kZ3B1IGRyaXZlciBpbiB0aGUgZ3Vlc3Qgb24g dGhlIGhhcmR3YXJlIHRoYXQgd2FzCj4gaW5pdGlhbGl6ZWQgaW4gdGhlIGhvc3Qgc2Jpb3MKPgo+ IEFtIEkgZ2V0dGluZyB0aGlzIHJpZ2h0Pwo+CgpJIHdvdWxkIHN1Z2dlc3Qgc3RhcnRpbmcgd2l0 aCBhIHN0YW5kYXJkIHNiaW9zL3ZiaW9zLiAgQm9vdCB0aGUgc3lzdGVtCmFzIHVzdWFsLiAgWW91 IGNhbiBibGFja2xpc3QgYW1kZ3B1IGlmIHlvdSBkb24ndCB3YW50IGdwdSBkcml2ZXIKbG9hZGVk IG9uIHRoZSBob3N0LiAgR2V0IGEgY29weSBvZiB0aGUgdmJpb3MgaW1hZ2UuICBEZXBlbmRpbmcg b24gdGhlCnBsYXRmb3JtLCBpdCBtYXkgYmUgYXZhaWxhYmxlIHZpYSB0aGUgc3RhbmRhcmQgdmJp b3Mgc2hhZG93IGxvY2F0aW9uCm9yIGl0IG1heSBiZSBhdCB0aGUgc3RhcnQgb2YgY2FydmVvdXQg b3IgaXQgbWF5IGJlIGF2YWlsYWJsZSB2aWEgYW4KQUNQSSBpbnRlcmZhY2UuICBUaGUgZHJpdmVy IGhhcyB0aGUgbG9naWMgdG8gZmV0Y2ggaXQuICBZb3UgY2FuIGR1bXAgYQpjb3B5IGZyb20gdGhl IGRyaXZlciB2aWEgL3N5cy9rZXJuZWwvZGVidWcvZHJpL1gvYW1kZ3B1X3ZiaW9zIHdoZXJlIFgK aXMgdGhlIG51bWJlciBvZiB0aGUgZHJpIGRldmljZSBvZiB0aGUgY2FyZCBpbiBxdWVzdGlvbi4g IFRoZW4gc3RhcnQKVk0gd2l0aCB0aGUgZGV2aWNlIHBhc3NlZCB0aHJvdWdoLiAgRG9uJ3Qgd29y cnkgYWJvdXQgcnVubmluZyB0aGUKdmJpb3Mgb3Igbm90IGluIHRoZSBob3N0IHZzLiB0aGUgZ3Vl c3QuICBUaGUgZHJpdmVyIHdpbGwgZG8gdGhlIHJpZ2h0CnRoaW5nLgoKQWxleAoKPiA+Cj4gPiA+ Cj4gPiA+ID4KPiA+ID4gPiA+Cj4gPiA+ID4gPiA+IE5vdGUgdGhhdCB0aGUgZHJpdmVyIG5lZWRz IGFjY2VzcyB0byB0aGUgdmJpb3MgaW1hZ2UgaW4gdGhlIGd1ZXN0IHRvCj4gPiA+ID4gPiA+IGdl dCBkZXZpY2Ugc3BlY2lmaWMgY29uZmlndXJhdGlvbiBkZXRhaWxzIChjbG9ja3MsIGRpc3BsYXkg Y29ubmVjdG9yCj4gPiA+ID4gPiA+IGNvbmZpZ3VyYXRpb24sIGV0Yy4pLgo+ID4gPiA+ID4KPiA+ ID4gPiA+IElzIHRoZXJlIGFueXRoaW5nIEkgbmVlZCB0byBkbyB0byBlbnN1cmUgdGhpcyBiZXNp ZGVzIHBhc3NpbmcgJy1kZXZpY2UKPiA+ID4gPiA+IHZmaW8tcGNpLC4uLixyb21maWxlPS9wYXRo L3RvL3ZnYXJvbScgdG8gcWVtdT8KPiA+ID4gPgo+ID4gPiA+IFlvdSBuZWVkIHRoZSBhY3R1YWwg dmJpb3Mgcm9tIGltYWdlIGZyb20geW91ciBzeXN0ZW0uICBUaGUgaW1hZ2UgaXMKPiA+ID4gPiBi b2FyZCBzcGVjaWZpYy4KPiA+ID4KPiA+ID4gSSBzaG91bGQgaGF2ZSB0aGUgY29ycmVjdCB2Ymlv cyByb20gaW1hZ2UgZm9yIG15IGJvYXJkLiBJJ20gZXh0cmFjdGluZwo+ID4gPiBpdCBmcm9tIHRo ZSBmaXJtd2FyZSBpbWFnZSAodGhhdCB3b3JrcyBmb3IgcmVndWxhciBncmFwaGljcyBpbml0Cj4g PiA+IHdpdGhvdXQgdGhpcyBWTSBzdHVmZikgZm9yIHRoZSBib2FyZCBhdCBidWlsZCB0aW1lIChy YXRoZXIgdGhhbgo+ID4gPiBncmFiYmluZyBpdCBmcm9tIC9zeXMvZGV2aWNlcy9wY2kuLi4gYXQg cnVudGltZSksIHNvIGl0IHNob3VsZG4ndCBiZQo+ID4gPiBtb2RpZmllZCBvciBjb3JydXB0ZWQg aW4gYW55IHdheS4KPiA+Cj4gPiBUaGUgdmJpb3MgaW1hZ2UgaXMgcGF0Y2hlZCBhdCBib290IHRp bWUgYnkgdGhlIHNiaW9zIGltYWdlIGZvciBydW4KPiA+IHRpbWUgY29uZmlndXJhdGlvbiBzdHVm Zi4gIEZvciBleGFtcGxlLCBzb21lIG9mIHRoZSBwY2llIGxhbmVzIGFyZQo+ID4gc2hhcmVkIHdp dGggZGlzcGxheSBsYW5lcyBhbmQgY2FuIGJlIHVzZWQgZm9yIGVpdGhlciBkaXNwbGF5IG9yIHBj aWUKPiA+IGFkZCBpbiBjYXJkcy4gIFRoZSBzYmlvcyBkZXRlcm1pbmVzIHRoaXMgYXQgYm9vdCBh bmQgcGF0Y2hlcyB0aGUgdmJpb3MKPiA+IGRpc3BsYXkgdGFibGVzIHNvIHRoZSBkcml2ZXIga25v d3MgdGhhdCB0aGUgZGlzcGxheXMgYXJlIG5vdAo+ID4gYXZhaWxhYmxlLiAgQWxzbyB0aGluZ3Mg bGlrZSBmbGF0IHBhbmVscyBvbiBsYXB0b3BzLiAgT0VNcyBtYXkgaGF2ZQo+ID4gc2V2ZXJhbCBk aWZmZXJlbnQgZmxhdCBwYW5lbCBtb2RlbHMgdGhleSB1c2Ugd2l0aCBhIHBhcnRpY3VsYXIKPiA+ IHBsYXRmb3JtIGFuZCB0aGUgc2Jpb3MgcGF0Y2hlcyB0aGUgdmJpb3MgZGlzcGxheSB0YWJsZXMg d2l0aCB0aGUKPiA+IHByb3BlciBwYXJhbWV0ZXJzIGZvciB0aGUgcGFuZWwgaW4gdXNlLiAgVGhl IHNiaW9zIGFsc28gcGF0Y2hlcyB0YWJsZXMKPiA+IHJlbGF0ZWQgdG8gYmFuZHdpZHRoLiAgRS5n LiwgdGhlIHR5cGUgYW5kIHNwZWVkIGFuZCBudW1iZXIgb2YgY2hhbm5lbHMKPiA+IG9mIHRoZSBz eXN0ZW0gcmFtIHNvIHRoYXQgdGhlIEdQVSBkcml2ZXIgY2FuIHNldCBwcm9wZXIgbGltaXRzIG9u Cj4gPiB0aGluZ3MgbGlrZSBkaXNwbGF5IG1vZGVzLiAgU28geW91IG5lZWQgdG8gdXNlIHRoZSB2 YmlvcyBpbWFnZSB0aGF0IGlzCj4gPiBwcm92aWRlZCBieSB0aGUgc2Jpb3MgYXQgYm9vdC4KPgo+ IE9rIHllYWggZ29vZCBwb2ludC4gSSBub3RpY2VkIHRoYXQgdGhlcmUgYXJlIGEgZmV3IGh1bmRy ZWQgYnl0ZQo+IGxvY2F0aW9ucyBpbiB0aGUgdmJpb3MgdGhhdCBhcmUgZGlmZmVyZW50IGJldHdl ZW4gdGhlIHByZS1ib290IHZlcnNpb24KPiBmcm9tIGJ1aWxkIHRpbWUgYW5kIHRoZSB2ZXJzaW9u IGR1bXBlZCBmcm9tIHN5c2ZzIGF0IHJ1bnRpbWUsIHNvCj4gc29tZXRoaW5nIG11c3QgYmUgZ2V0 dGluZyBwYXRjaGVkIHVwLgo+Cj4gPgo+ID4gQWxleApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2FtZC1nZng=