From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: i915 dma_map_sg return value Date: Wed, 6 May 2015 10:24:47 +0200 Message-ID: <20150506082447.GE30184@phenom.ffwll.local> References: <55487474.10109@digitalendoscopy.de> <20150505155130.GD30184@phenom.ffwll.local> <5548FBBD.1000900@digitalendoscopy.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com [209.85.212.181]) by gabe.freedesktop.org (Postfix) with ESMTP id D781F89D77 for ; Wed, 6 May 2015 01:22:28 -0700 (PDT) Received: by widdi4 with SMTP id di4so192069089wid.0 for ; Wed, 06 May 2015 01:22:28 -0700 (PDT) Content-Disposition: inline In-Reply-To: <5548FBBD.1000900@digitalendoscopy.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Volker Vogelhuber Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBNYXkgMDUsIDIwMTUgYXQgMDc6MTk6NTdQTSArMDIwMCwgVm9sa2VyIFZvZ2VsaHVi ZXIgd3JvdGU6Cj4gT24gMDUuMDUuMjAxNSAxNzo1MSwgRGFuaWVsIFZldHRlciB3cm90ZToKPiA+ T24gVHVlLCBNYXkgMDUsIDIwMTUgYXQgMDk6NDI6NDRBTSArMDIwMCwgVm9sa2VyIFZvZ2VsaHVi ZXIgd3JvdGU6Cj4gPj5UaGUgZG9jdW1lbnRhdGlvbiBvZiB0aGUgRE1BLUFQSSB3cml0ZXMgdGhl IGZvbGxvd2luZyBhYm91dAo+ID4+ZG1hX21hcF9zZzoKPiA+Pgo+ID4+IlRoZSBpbXBsZW1lbnRh dGlvbiBpcyBmcmVlIHRvIG1lcmdlIHNldmVyYWwgY29uc2VjdXRpdmUgc2dsaXN0IGVudHJpZXMK PiA+PmludG8gb25lIChlLmcuIGlmIERNQSBtYXBwaW5nIGlzIGRvbmUgd2l0aCBQQUdFX1NJWkUg Z3JhbnVsYXJpdHksIGFueQo+ID4+Y29uc2VjdXRpdmUgc2dsaXN0IGVudHJpZXMgY2FuIGJlIG1l cmdlZCBpbnRvIG9uZSBwcm92aWRlZCB0aGUgZmlyc3Qgb25lCj4gPj5lbmRzIGFuZCB0aGUgc2Vj b25kIG9uZSBzdGFydHMgb24gYSBwYWdlIGJvdW5kYXJ5IC0gaW4gZmFjdCB0aGlzIGlzIGEgaHVn ZQo+ID4+YWR2YW50YWdlIGZvciBjYXJkcyB3aGljaCBlaXRoZXIgY2Fubm90IGRvIHNjYXR0ZXIt Z2F0aGVyIG9yIGhhdmUgdmVyeQo+ID4+bGltaXRlZCBudW1iZXIgb2Ygc2NhdHRlci1nYXRoZXIg ZW50cmllcykgYW5kIHJldHVybnMgdGhlIGFjdHVhbCBudW1iZXIKPiA+Pm9mIHNnIGVudHJpZXMg aXQgbWFwcGVkIHRoZW0gdG8uIgo+ID4+Cj4gPj5JIHdvbmRlciB3aHkgdGhlIHJldHVybiB2YWx1 ZSBvZiBkbWFfbWFwX3NnIGlzIG5vdCByZXR1cm5lZCBpbiBhbnkgd2F5Cj4gPj5mcm9tIGk5MTVf Z2VtX21hcF9kbWFfYnVmLiBJdCBvbmx5IHVzZXMgdGhlIHJldHVybiB2YWx1ZSBmb3IgZXJyb3IK PiA+PmNoZWNraW5nLgo+ID4+Q2FuIG9uZSBiZSBzdXJlIHRoYXQgaW4gY2FzZSBvZiB0aGUgaTkx NSB0aGUgbmVudHMgdmFsdWUgb2YgdGhlIHNjYXR0ZXIKPiA+PmdhdGhlciB0YWJsZSBpcyBhbHdh eXMgZXF1YWwgdG8gdGhlIHZhbHVlIHJldHVybmVkIGJ5IGRtYV9tYXBfc2c/Cj4gPj5JJ20gYXNr aW5nIGJlY2F1c2UgSSB3YW50IHRvIHVzZSB0aGUgc2cgdGFibGUgcmV0dXJuZWQgYnkKPiA+Pmk5 MTVfZ2VtX21hcF9kbWFfYnVmIGluIG15IG93biBrZXJuZWwgbW9kdWxlIGFuZCBpdGVyYXRlIG92 ZXIgaXQKPiA+PnVzaW5nIGZvcl9lYWNoX3NnLiBBbmQgdGhlIGV4YW1wbGUgaW4gdGhlIGRvY3Vt ZW50YXRpb24gb2YgdGhlIERNQS1BUEkKPiA+PnVzZXMgdGhlIHJldHVybiB2YWx1ZSBvZiBkbWFf bWFwX3NnIHdoZW4gY2FsbGluZyBmb3JfZWFjaF9zZyBhbmQgbm90Cj4gPj5uZW50cyBhbmQgaXQg ZXhwbGljaXRseSBtZW50aW9uczoKPiA+Pgo+ID4+IlRoZW4geW91IHNob3VsZCBsb29wIGNvdW50 IHRpbWVzIChub3RlOiB0aGlzIGNhbiBiZSBsZXNzIHRoYW4gbmVudHMgdGltZXMpIgo+ID5IbSwg bm90IGxvb2tpbmcgYXQgdGhlIHJldHVybiB2YWx1ZSBvZiBkbWFfbWFwX3NnIGlzIGFsc28gaG93 IHdlIHVzZSBpdAo+ID5pbnRlcm5hbGx5IGluIGk5MTVfZ2VtX2d0dC5jLiBOb3Qgc3VyZSB3aHkg d2UgZ2V0IGF3YXkgd2l0aCB0aGlzIC4uLgo+IE1heWJlIHlvdSBjYW4gYmUgc3VyZSB0aGF0IG9u IHN5c3RlbXMgd2hlcmUgdGhlIGk5MTUgZHJpdmVyIGlzCj4gdXNlZCBubyByZWR1Y3Rpb24gb2Yg dGhlIG5lbnRzIHdpbGwgYmUgZG9uZSBieSBkbWFfbWFwX3NnPwoKTm90IHN1cmUgdGhhdCdzIHRy dWUuIEJ1dCB3ZSBkbyB1c2UgZm9yX2VhY2hfc2dfcGFnZSwgd2hpY2ggbWlnaHQgYmUKaW1tdW5l IHRvIGNvYWxsZXNjaW5nIGlzc3VlLiBCdXQgdGJoIEkgaGF2ZSBubyBpZGVhLgotRGFuaWVsCi0t IApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRw Oi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1k ZXZlbAo=