From mboxrd@z Thu Jan 1 00:00:00 1970 From: Terje Bergstrom Subject: Re: [PATCH 4/6] drm: enable big page mapping for small pages when IOMMU is available Date: Fri, 17 Apr 2015 08:24:46 -0700 Message-ID: <553125BE.9090706@nvidia.com> References: <1429182379-31964-1-git-send-email-vinceh@nvidia.com> <1429182379-31964-5-git-send-email-vinceh@nvidia.com> <5530B603.9010703@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5530B603.9010703-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: Vince Hsu , Alexandre Courbot Cc: "nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , Ben Skeggs List-Id: nouveau.vger.kernel.org Ck9uIDA0LzE3LzIwMTUgMTI6MjggQU0sIFZpbmNlIEhzdSB3cm90ZToKPgo+IE9uIDA0LzE3LzIw MTUgMDI6MjYgUE0sIEFsZXhhbmRyZSBDb3VyYm90IHdyb3RlOgo+PiBJIHdvbmRlciBpZiB3ZSBz aG91bGQgbm90IGp1c3QgdXNlIHRoZSBzYW1lIHNpemUgaGV1cmlzdGljcyBhcyBmb3IgCj4+IFZS QU0gYWJvdmU/Cj4+Cj4+IEhlcmUsIHVubGVzcyB5b3VyIGJ1ZmZlciBzaXplIGlzIGFuIGV4YWN0 IG11bHRpcGxlIG9mIHRoZSBiaWcgcGFnZQo+PiBzaXplICgxMjhLIGZvciBHSzIwQSksIHlvdSB3 aWxsIG5vdCB1c2UgYmlnIHBhZ2VzIGF0IGFsbC4gSW4gZWZmZWN0LAo+PiBtYW55IGJ1ZmZlcnMg d2lsbCBiZSByZWplY3RlZCBmb3IgdGhpcyByZWFzb24uIEEgYmVoYXZpb3IgbGlrZSAiaWYgdGhl Cj4+IGJ1ZmZlciBzaXplIG9mIG1vcmUgdGhhbiAyNTZLQiwgaW5jcmVhc2UgdGhlIHNpemUgb2Yg dGhlIGJ1ZmZlciB0byB0aGUKPj4gbmV4dCBtdWx0aXBsZSBvZiAxMjhLIGFuZCB1c2UgYmlnIHBh Z2VzIiB3b3VsZCBwcm9iYWJseSB5aWVsZCBiZXR0ZXIKPj4gcmVzdWx0cy4KPiBJJ20gdG9sZCB0 aGF0IHRoZSB1c2VyIHNwYWNlIHdvdWxkIGFsaWduIHRoZSBidWZmZXIgdG8gdGhlIGJpZyBwYWdl IAo+IHNpemUuIFNvIEkgbWFkZSB0aGlzIHBhdGNoIGJhc2VkIG9uIHRoYXQgaW1wcmVzc2lvbi4g SSdtIG5vdCBwcmV0dHkgCj4gZmFtaWxpYXIgd2l0aCB0aGUgdXNlciBzcGFjZSBiZWhhdmlvciwg c28gc29ycnkgaWYgSSBzYXkgc29tZXRoaW5nIAo+IHdyb25nIGhlcmUuCj4KPiBBbmQgYXJlIHdl IGFsbG93ZWQgdG8gZXh0ZW5kIHRoZSBidWZmZXIgc2l6ZSBldmVuIHRoZSBleHBvcnRlciBkb2Vz bid0IAo+IGtub3cgYWJvdXQgdGhhdD8KVGhlIGFsaWdubWVudCBvZiBJT01NVSBWQSBiYXNlIGFk ZHJlc3MgYW5kIHNpemUgaGFzIHRvIGJlIGNvcnJlY3QuIEFzIGEgCmNvbnNlcXVlbmNlIHlvdSBj b3VsZCB0aGluayB0aGF0IHRoaXMgbWVhbnMgdGhhdCB0aGUgYWxsb2NhdGVkIHNpemUgb2YgCnRo ZSBidWZmZXIgaGFzIHRvIGJlIGJpZyBwYWdlIGFsaWduZWQuCgpZb3UgY291bGQgYWxzbyBqdXN0 IGFsbG9jYXRlIGJ1ZmZlciBhY3R1YWwgc2l6ZSB3aXRoIHdoYXRldmVyIGFsaWdubWVudCwgCmFu ZCB0YWtlIGNhcmUgb2YgYWxpZ25tZW50IGF0IGJ1ZmZlciBtYXBwaW5nIHRpbWUuIEluIGNhc2Ug YnVmZmVyIGlzIAoxMjBrLCB3ZSBjb3VsZCBhbGxvY2F0ZSAxMjhrIG9mIElPTU1VIFZBIGF0IDEy OGsgYWxpZ25lZCBiYXNlIGFkZHJlc3MsIAphbmQgbGVhdmUgdGhlIHJlc3QgOGsgSU9NTVUgdW5t YXBwZWQsIGFuZCBtYXAgaXQgYXMgYSBzaW5nbGUgbGFyZ2UgcGFnZSAKdG8gR1BVIE1NVS4gQnV0 IHRoYXQgd291bGQgYWxsb3cgdHJpZ2dlcmluZyBJT01NVSBmYXVsdCBmcm9tIEdQVSBjb21tYW5k IApidWZmZXJzLCBhbmQgSU9NTVUgZmF1bHRzIGFyZSBtdWNoIG1vcmUgZGlmZmljdWx0IHRvIGRl YnVnIHRoYW4gR1BVIE1NVSAKZmF1bHRzLCBzbyBJIGRvbid0IHJlY29tbWVuZCB0aGlzLgoKU28g aW4gc3VtbWFyeSwgSSBwcmVmZXIgdGFraW5nIGNhcmUgb2YgYnVmZmVyIHNpemUgYWxpZ25tZW50 IGF0IAphbGxvY2F0aW9uIHRpbWUsIGFuZCBJT01NVSBWQSBiYXNlIGFsaWdubWVudCBhdCBtYXBw aW5nIHRpbWUuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpOb3V2ZWF1IG1haWxpbmcgbGlzdApOb3V2ZWF1QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vbm91dmVhdQo=