From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH 1/2] drm/amdgpu: don't clean the framebuffer for VF Date: Tue, 7 Feb 2017 12:05:03 +0100 Message-ID: References: <1486362299-3961-1-git-send-email-Pixel.Ding@amd.com> <9fb90cdc-60e4-babf-e721-10434ffda956@amd.com> <33AD6DBD-DC84-40FC-9CDF-02A18620F06C@amd.com> <31b35028-f22e-7e59-bcbc-3f6ae85f8d9f@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: "Ding, Pixel" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" Cc: "Ding.Pixel-5C7GfCeVMHo@public.gmane.org" PiBJIHRoaW5rIHlvdSBtZWFuIGxvYWRpbmcgS01TIG11bHRpcGxlIHRpbWVzIGJ5IOKAnHJldXNl 4oCdLgpObywgYXMgZmFyIGFzIEkga25vdyB0aGUgZmIgZW11bGF0aW9uIGNhbiBiZSBpbml0aWFs aXplZCBtdWx0aXBsZSB0aW1lcyAKd2l0aG91dCBkcml2ZXIgcmVsb2FkLgoKPiBJIGNhbuKAmXQg c2VlIGEgY2FzZSB0aGF0IGZiX3Byb2JlIGlzIGludm9rZWQgb3V0IG9mIGxvYWRpbmcgS01TLCBp cyB0aGVyZT8KSSdtIG5vdCBzbyBkZWVwbHkgaW50byB0aGlzLCBidXQgSSBrbmV3IHRoYXQgeW91 IGNhbiBjZXJ0YWlubHkgdW5iaW5kIAphbmQgYmluZCBhZ2FpbiBhbiBmYiB3aGlsZSB0aGUgZHJp dmVyIGlzIHN0aWxsIGxvYWRlZC4KCkkgc2ltcGx5IGFzc3VtZWQgdGhhdCB0aGUgY3JlYXRlIGZ1 bmN0aW9uIGlzIHRoZW4gY2FsbGVkIG11bHRpcGxlIHRpbWVzLgoKPiBJZiBJIHJlbW92ZSBtZW1z ZXRfaW8gaGVyZSBhbmQgYWRkIEdQVSBjbGVhciBmbGFnLCBzaG91bGQgaXQgYmUgY29tbW9uIGxv Z2ljIG9yIHNwZWNpZmljIGZvciBWRj8KVGhhdCBzaG91bGQgYmUgZ2VuZXJpYyBhbmQgd29yayBm b3IgYWxsIGNhc2VzLiBVc2luZyB0aGUgY2xlYXIgZmxhZyBqdXN0IApsZXRzIHRoZSBHUFUgY2xl YXIgdGhlIG1lbW9yeSBpbiB0aGUgYmFja2dyb3VuZC4KClJlZ2FyZHMsCkNocmlzdGlhbi4KCkFt IDA3LjAyLjIwMTcgdW0gMDI6Mzcgc2NocmllYiBEaW5nLCBQaXhlbDoKPiBIaSBDaHJpc3RpYW4s Cj4KPiBJIHRoaW5rIHlvdSBtZWFuIGxvYWRpbmcgS01TIG11bHRpcGxlIHRpbWVzIGJ5IOKAnHJl dXNl4oCdLiBBdCBldmVyeSB0aW1lIGxvYWRpbmcgS01TLCBndWVzdCBkcml2ZXIgdGVsbHMgdGhl IGhvc3QgdG8gY2xlYXIgRkIgZHVyaW5nIGVhcmx5IGluaXQuIEkgY2Fu4oCZdCBzZWUgYSBjYXNl IHRoYXQgZmJfcHJvYmUgaXMgaW52b2tlZCBvdXQgb2YgbG9hZGluZyBLTVMsIGlzIHRoZXJlPwo+ Cj4gQW55d2F5IEkgdW5kZXJzdGFuZCB3ZSBkb27igJl0IHdhbnQgdG8gaGF2ZSBtYW55IFNSSU9W IGNvbmRpdGlvbmFsIGNvZGUgcGF0aHMuIElmIEkgcmVtb3ZlIG1lbXNldF9pbyBoZXJlIGFuZCBh ZGQgR1BVIGNsZWFyIGZsYWcsIHNob3VsZCBpdCBiZSBjb21tb24gbG9naWMgb3Igc3BlY2lmaWMg Zm9yIFZGPwo+Cj4g4oCUCj4gU2luY2VyZWx5IFlvdXJzLAo+IFBpeGVsCj4KPgo+Cj4KPgo+Cj4K PiBPbiAwNi8wMi8yMDE3LCA1OjE3IFBNLCAiS29lbmlnLCBDaHJpc3RpYW4iIDxDaHJpc3RpYW4u S29lbmlnQGFtZC5jb20+IHdyb3RlOgo+Cj4+IEhpIFBpeGVsLAo+Pgo+PiB5b3UgZG9uJ3Qgc2Vl bSB0byB1bmRlcnN0YW5kIHRoZSByZWFzb24gZm9yIHRoZSBjbGVhciBoZXJlLgo+Pgo+PiBJdCBp cyBjb21wbGV0ZWx5IGlycmVsZXZhbnQgdGhhdCB0aGUgaG9zdCBpcyBjbGVhcmluZyB0aGUgbWVt b3J5IGZvciB0aGUKPj4gZ3Vlc3QsIHRoZSBwcm9ibGVtIGlzIHRoYXQgdGhlIGd1ZXN0IHJldXNl IHRoZSBtZW1vcnkgaXQgZ290IGFzc2lnbmVkCj4gPmZyb20gdGhlIGhvc3QgbXVsdGlwbGUgdGlt ZXMuCj4+IElJUkMgd2UgYWRkZWQgdGhpcyBiZWNhdXNlIHlvdSBjb3VsZCBzZWUgbGVmdG92ZXJz IG9mIHRoZSBzbGFzaCBzY3JlZW4KPj4gaW4gdGhlIHRleHQgY29uc29sZSB3aGVuIHRoZSByZXNv bHV0aW9uIHdhc24ndCBhIG11bHRpcGxlIG9mIHRoZQo+PiBjaGFyYWN0ZXIgaGVpZ2h0Lgo+Pgo+ PiBSZWdhcmRzLAo+PiBDaHJpc3RpYW4uCj4+Cj4+IEFtIDA2LjAyLjIwMTcgdW0gMTA6MDkgc2No cmllYiBEaW5nLCBQaXhlbDoKPj4+IEhpIENocmlzdGlhbiwKPj4+Cj4+PiBUaGUgdW5kZXJseWlu ZyBob3N0IGRyaXZlciBjbGVhcnMgVkbigJlzIGZyYW1lYnVmZmVyIHdoZW4gZ3Vlc3QgZHJpdmVy IHNoYWtlIGhhbmRzIHdpdGggaXQsIHRoYXQgaXMgZG9uZSBiZWZvcmUgZ3Vlc3QgZHJpdmVyIGlu aXQuIEkgdGhpbmsgaXTigJlzIHVubmVjZXNzYXJ5IHRvIGNsZWFyIEZCIGFnYWluIGV2ZW4gd2l0 aCBHUFUgZm9yIFZGLgo+Pj4KPj4+IOKAlAo+Pj4gU2luY2VyZWx5IFlvdXJzLAo+Pj4gUGl4ZWwK Pj4+Cj4+Pgo+Pj4KPj4+Cj4+Pgo+Pj4gT24gMDYvMDIvMjAxNywgNDo0OSBQTSwgIktvZW5pZywg Q2hyaXN0aWFuIiA8Q2hyaXN0aWFuLktvZW5pZ0BhbWQuY29tPiB3cm90ZToKPj4+Cj4+Pj4gQW0g MDYuMDIuMjAxNyB1bSAwNzoyNCBzY2hyaWViIFBpeGVsIERpbmc6Cj4+Pj4+IFRoZSBTUklPViBo b3N0IGRyaXZlciBjbGVhbnMgZnJhbWVidWZmZXIgZm9yIGVhY2ggVkYsIGd1ZXN0IGRyaXZlcgo+ Pj4+PiBuZWVkbid0IHRoaXMgYWN0aW9uIHdoaWNoIGNvc3RzIG11Y2ggdGltZSBvbiBzb21lIHZp cnR1YWxpemF0aW9uCj4+Pj4+IHBsYXRmb3JtLCBvdGhlcndpc2UgaXQgbWlnaHQgZ2V0IHRpbWVv dXQgdG8gaW5pdGlhbGl6ZS4KPj4+Pj4KPj4+Pj4gU2lnbmVkLW9mZi1ieTogUGl4ZWwgRGluZyA8 UGl4ZWwuRGluZ0BhbWQuY29tPgo+Pj4+PiAtLS0KPj4+Pj4gICAgIGRyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV9mYi5jIHwgNCArKystCj4+Pj4+ICAgICAxIGZpbGUgY2hhbmdlZCwg MyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+Pj4+Cj4+Pj4+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZmIuYyBiL2RyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV9mYi5jCj4+Pj4+IGluZGV4IDFlNzM1YzQuLmYxZWI0ZjUgMTAwNjQ0 Cj4+Pj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9mYi5jCj4+Pj4+ ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9mYi5jCj4+Pj4+IEBAIC0y NDIsNyArMjQyLDkgQEAgc3RhdGljIGludCBhbWRncHVmYl9jcmVhdGUoc3RydWN0IGRybV9mYl9o ZWxwZXIgKmhlbHBlciwKPj4+Pj4gICAgIAkvKiBzZXR1cCBoZWxwZXIgKi8KPj4+Pj4gICAgIAly ZmJkZXYtPmhlbHBlci5mYiA9IGZiOwo+Pj4+PiAgICAgCj4+Pj4+IC0JbWVtc2V0X2lvKGFiby0+ a3B0ciwgMHgwLCBhbWRncHVfYm9fc2l6ZShhYm8pKTsKPj4+Pj4gKwlpZiAoIWFtZGdwdV9zcmlv dl92ZihhZGV2KSkgewo+Pj4+PiArCQltZW1zZXRfaW8oYWJvLT5rcHRyLCAweDAsIGFtZGdwdV9i b19zaXplKGFibykpOwo+Pj4+PiArCX0KPj4+PiBOaXQgcGljayBvbmx5LCBidXQgY29kaW5nIHN0 eWxlIHNheXMgdG8gbm90IHVzZSAieyIgIn0iIGluIGFuIGlmIHdpdGhvdXQKPj4+PiBlbHNlIGFu ZCBvbmx5IGEgc2luZ2xlIGxpbmUgb2YgY29kZS4KPj4+Pgo+Pj4+IEFkZGl0aW9uYWwgdG8gdGhh dCBJJ20gbm90IHN1cmUgaWYgdGhhdCdzIGEgZ29vZCBpZGVhLiBUaGUgbWVtb3J5Cj4+Pj4gYWxs b2NhdGVkIGhlcmUgbWlnaHQgYmUgYWxyZWFkeSBiZSB1c2VkIGFuZCBzbyB3ZSBuZWVkIHRvIGNs ZWFyIGl0IG5vCj4+Pj4gbWF0dGVyIHdoZXJlIGl0IGNhbWUgZnJvbS4KPj4+Pgo+Pj4+IEl0J3Mg cHJvYmFibHkgZWFzaWVyIHRvIGp1c3Qgc2V0IHRoZSBBTURHUFVfR0VNX0NSRUFURV9WUkFNX0NM RUFSRUQgaW4KPj4+PiB0aGUgY2FsbCB0byBhbWRncHVfZ2VtX29iamVjdF9jcmVhdGUoKS4gVGhp cyBtYWtlcyB0aGUgR1BVIGNsZWFyIHRoZQo+Pj4+IG1lbW9yeSBiZWZvcmUgdGhlIGZpcnN0IENQ VSBhY2Nlc3MgdG8gaXQuCj4+Pj4KPj4+PiBSZWdhcmRzLAo+Pj4+IENocmlzdGlhbi4KPj4+Pgo+ Pj4+PiAgICAgCj4+Pj4+ICAgICAJc3RyY3B5KGluZm8tPmZpeC5pZCwgImFtZGdwdWRybWZiIik7 Cj4+Pj4+ICAgICAKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK