From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Glisse Subject: Re: [PATCH] drm/amdgpu: allow write access to mapped userptrs Date: Fri, 18 Mar 2016 11:02:55 +0100 Message-ID: <20160318100253.GA26920@gmail.com> References: <1457706567-14271-1-git-send-email-deathsimple@vodafone.de> <56EB04EC.6050409@vodafone.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-qg0-x234.google.com (mail-qg0-x234.google.com [IPv6:2607:f8b0:400d:c04::234]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC3D56EBB9 for ; Fri, 18 Mar 2016 10:03:05 +0000 (UTC) Received: by mail-qg0-x234.google.com with SMTP id y89so96004831qge.2 for ; Fri, 18 Mar 2016 03:03:05 -0700 (PDT) Content-Disposition: inline In-Reply-To: <56EB04EC.6050409@vodafone.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Christian =?iso-8859-1?Q?K=F6nig?= Cc: "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBNYXIgMTcsIDIwMTYgYXQgMDg6MjY6MzZQTSArMDEwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiBBbSAxNy4wMy4yMDE2IHVtIDIwOjE4IHNjaHJpZWIgSmVyb21lIEdsaXNzZToK PiA+T24gRnJpLCBNYXIgMTEsIDIwMTYgYXQgMzoyOSBQTSwgQ2hyaXN0aWFuIEvDtm5pZwo+ID48 ZGVhdGhzaW1wbGVAdm9kYWZvbmUuZGU+IHdyb3RlOgo+ID4+RnJvbTogQ2hyaXN0aWFuIEvDtm5p ZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgo+ID4+Cj4gPj5XaXRoIHRoZSB1cGRhdGVkIE1N VSBub3RpZmllciB3ZSBzaG91bGQgYWxzbyBiZSBhYmxlIHRvCj4gPj5oYW5kbGUgdGhlIHdyaXRl YmFjayBjYXNlIGNvcnJlY3RseS4KPiA+Pgo+ID5PdXQgb2YgY3VyaW9zaXR5IHdoYXQgYXJlIHlv dSByZWZlcmluZyB0b28gPyBJIGRvIG5vdCBzZWUgYW55dGhpbmcKPiA+c3BlY2lhbCBvbiBhbWRn cHVfbW4uYyBsb2dzIGFuZCBpIGRvIG5vdCBzZWUgd2h5IHlvdSBjb3VsZCBub3QgdXNlCj4gPnRo ZW4gZm9yIHdyaXRlIGJlZm9yZS4KPiAKPiBXZSBtb3ZlZCB0aGUgZ2V0X3VzZXJfcGFnZXMoKSBv dXRzaWRlIG9mIHJlc2VydmluZyB0aGUgQk8gYW5kIHRlc3RlZCB0aGF0Cj4gcXVpdGUgZXh0ZW5z aXZlbHkuCj4gCj4gQW5kIGRvbid0IGFzayBtZSB3aHkgdGhhdCBzaG91bGRuJ3QgaGF2ZSB3b3Jr ZWQuIEl0IHdhcyB5b3Ugd2hvIGdhdmUgdGhlCj4gYWR2aXNlIHRvIG5vdCBhbGxvdyBpdC4KPiAK PiBJIHRoaW5rIHRoZSByYXRpb25hbCB3YXMgc29tZXRoaW5nIGxpa2UgdGhhdCB0aGUgd3JpdGVi YWNrIGNvZGUgZGlzYWJsZXMgQ1BVCj4gd3JpdGVzLCBjb21wdXRlIGEgQ1JDIGFuZCBzdGFydCB0 byB3cml0ZSB0aGUgcGFnZSB0byBkaXNrLiBXaGVuIHRoZSBHUFUKPiBjb3VsZCB3cml0ZSB0byB0 aGUgcGFnZSBpbiB0aGF0IG1vbWVudCB0aGUgQ1JDIHdvbid0IG1hdGNoIGFueSBtb3JlIGFuZCB3 ZQo+IHdvdWxkIGdldCBlcnJvcnMgcmVwb3J0ZWQgZnJvbSB0aGUgZGlzayBkcml2ZXIuCj4gCj4g QnV0IEkgdGhpbmsgdGhhdCB0aGUgTU1VIG5vdGlmaWVyIHNob3VsZCBjYXRjaCB0aGF0IGNhc2Ug YXMgd2VsbC4KClNvIHRvIG1ha2Ugc3VyZSB3ZSB0YWxrIGFib3V0IHNhbWUgY29kZSBpIGFtIGxv b2tpbmcgYXQgZHJtLW5leHQtNC42IDoKaHR0cHM6Ly9jZ2l0LmZyZWVkZXNrdG9wLm9yZy9+YWdk NWYvbGludXgvdHJlZS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfbW4uYz9oPWRy bS1uZXh0LTQuNiZpZD0zOTBiZTI4MjRmYTQyMTFjMmU5NzNjNjliNzJlMDQwMDA1NTliYmEzCgpJ biB3aGljaCB5b3Ugb25seSByZWdpc3RlciBpbnZhbGlkYXRlX3JhbmdlX3N0YXJ0IGFuZCBpdCBp cyBub3QgZW5vdWdoCnRvIGhhbmRsZSBwYWdlIHdyaXRlIGJhY2sgKHNlZSBtbS9ybWFwLmMgcGFn ZV9ta2NsZWFuX29uZSgpIGNhbGwgZnJvbQpwYWdlX21rY2xlYW4oKSkuIFNvIHRoaXMgcGF0Y2gg aXMga2luZCBvZiBkYW5nZXJvdXMgYXMgaXQgY291bGQgZW5kIHVwCndpdGggZmlsZXN5c3RlbSBj b3JydXB0aW9uIChkZXBlbmRpbmcgb24gZnMgYW5kIGhvdyB1bmx1Y2t5IHlvdSBhcmUpLgoKU28g eW91IGVpdGhlciBuZWVkIHRvIGFkZCBpbnZhbGlkYXRlX3BhZ2UoKSBjYWxsYmFjayB0byBtbXVf bm90aWZpZXIgb3IKYXQgdmVyeSBsZWFzdCByZWluc3RhdGUgdGhlIEFNREdQVV9HRU1fVVNFUlBU Ul9BTk9OT05MWSBmbGFnLgoKQ2hlZXJzLApKw6lyw7RtZQpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZl bEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9kcmktZGV2ZWwK