From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 13/13] RFC: drm: Atomic modeset ioctl Date: Wed, 17 Dec 2014 12:18:41 +0100 Message-ID: <20141217111841.GD2711@phenom.ffwll.local> References: <1418771141-16954-1-git-send-email-robdclark@gmail.com> <1418771141-16954-14-git-send-email-robdclark@gmail.com> <5490EF13.50608@daenzer.net> <20141217092056.29db9831@gmail.com> <54914D61.1040203@daenzer.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wg0-f47.google.com (mail-wg0-f47.google.com [74.125.82.47]) by gabe.freedesktop.org (Postfix) with ESMTP id A60DA6E60B for ; Wed, 17 Dec 2014 03:18:06 -0800 (PST) Received: by mail-wg0-f47.google.com with SMTP id n12so19993924wgh.20 for ; Wed, 17 Dec 2014 03:18:05 -0800 (PST) Content-Disposition: inline In-Reply-To: <54914D61.1040203@daenzer.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Michel =?iso-8859-1?Q?D=E4nzer?= Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBEZWMgMTcsIDIwMTQgYXQgMDY6MzE6MTNQTSArMDkwMCwgTWljaGVsIETDpG56ZXIg d3JvdGU6Cj4gT24gMTcuMTIuMjAxNCAxNjoyMCwgUGVra2EgUGFhbGFuZW4gd3JvdGU6Cj4gPiBP biBXZWQsIDE3IERlYyAyMDE0IDExOjQ4OjUxICswOTAwCj4gPiBNaWNoZWwgRMOkbnplciA8bWlj aGVsQGRhZW56ZXIubmV0PiB3cm90ZToKPiA+IAo+ID4+IE9uIDE3LjEyLjIwMTQgMDg6MDUsIFJv YiBDbGFyayB3cm90ZToKPiA+Pj4gVGhlIGF0b21pYyBtb2Rlc2V0IGlvY3RsIGNhbiBiZSB1c2Vk IHRvIHB1c2ggYW55IG51bWJlciBvZiBuZXcgdmFsdWVzCj4gPj4+IGZvciBvYmplY3QgcHJvcGVy dGllcy4gVGhlIGRyaXZlciBjYW4gdGhlbiBjaGVjayB0aGUgZnVsbCBkZXZpY2UKPiA+Pj4gY29u ZmlndXJhdGlvbiBhcyBzaW5nbGUgdW5pdCwgYW5kIHRyeSB0byBhcHBseSB0aGUgY2hhbmdlcyBh dG9taWNhbGx5Lgo+ID4+Pgo+ID4+PiBUaGUgaW9jdGwgc2ltcGx5IHRha2VzIGEgbGlzdCBvZiBv YmplY3QgSURzIGFuZCBwcm9wZXJ0eSBJRHMgYW5kIHRoZWlyCj4gPj4+IHZhbHVlcy4KPiA+Pgo+ ID4+IFsuLi5dCj4gPj4KPiA+Pj4gZGlmZiAtLWdpdCBhL2luY2x1ZGUvdWFwaS9kcm0vZHJtX21v ZGUuaCBiL2luY2x1ZGUvdWFwaS9kcm0vZHJtX21vZGUuaAo+ID4+PiBpbmRleCA4NjU3NGIwLi4z NDU5Nzc4IDEwMDY0NAo+ID4+PiAtLS0gYS9pbmNsdWRlL3VhcGkvZHJtL2RybV9tb2RlLmgKPiA+ Pj4gKysrIGIvaW5jbHVkZS91YXBpL2RybS9kcm1fbW9kZS5oCj4gPj4+IEBAIC01MTksNCArNTE5 LDI1IEBAIHN0cnVjdCBkcm1fbW9kZV9kZXN0cm95X2R1bWIgewo+ID4+PiAgCXVpbnQzMl90IGhh bmRsZTsKPiA+Pj4gIH07Cj4gPj4+ICAKPiA+Pj4gKy8qIHBhZ2UtZmxpcCBmbGFncyBhcmUgdmFs aWQsIHBsdXM6ICovCj4gPj4+ICsjZGVmaW5lIERSTV9NT0RFX0FUT01JQ19URVNUX09OTFkgMHgw MTAwCj4gPj4+ICsjZGVmaW5lIERSTV9NT0RFX0FUT01JQ19OT05CTE9DSyAgMHgwMjAwCj4gPj4+ ICsKPiA+Pj4gKyNkZWZpbmUgRFJNX01PREVfQVRPTUlDX0ZMQUdTIChcCj4gPj4+ICsJCURSTV9N T0RFX1BBR0VfRkxJUF9FVkVOVCB8XAo+ID4+PiArCQlEUk1fTU9ERV9QQUdFX0ZMSVBfQVNZTkMg fFwKPiA+Pj4gKwkJRFJNX01PREVfQVRPTUlDX1RFU1RfT05MWSB8XAo+ID4+PiArCQlEUk1fTU9E RV9BVE9NSUNfTk9OQkxPQ0spCj4gPj4+ICsKPiA+Pj4gK3N0cnVjdCBkcm1fbW9kZV9hdG9taWMg ewo+ID4+PiArCV9fdTMyIGZsYWdzOwo+ID4+PiArCV9fdTMyIGNvdW50X29ianM7Cj4gPj4+ICsJ X191NjQgb2Jqc19wdHI7Cj4gPj4+ICsJX191NjQgY291bnRfcHJvcHNfcHRyOwo+ID4+PiArCV9f dTY0IHByb3BzX3B0cjsKPiA+Pj4gKwlfX3U2NCBwcm9wX3ZhbHVlc19wdHI7Cj4gPj4+ICsJX191 NjQgYmxvYl92YWx1ZXNfcHRyOyAgLyogcmVtb3ZlPyAqLwo+ID4+PiArCV9fdTY0IHVzZXJfZGF0 YTsKPiA+Pj4gK307Cj4gPj4+ICsKPiA+Pj4gICNlbmRpZgo+ID4+Pgo+ID4+Cj4gPj4gVGhlIG5l dyBpb2N0bChzKSBzaG91bGQgdGFrZSBhbiBleHBsaWNpdCBwYXJhbWV0ZXIgc3BlY2lmeWluZyB3 aGVuIHRoZQo+ID4+IGNoYW5nZXMgc2hvdWxkIHRha2UgZWZmZWN0LiBBbmQgc2luY2UgdmFyaWFi bGUgcmVmcmVzaCByYXRlIGRpc3BsYXlzIGFyZQo+ID4+IGJlY29taW5nIG1haW5zdHJlYW0sIHRo YXQgcGFyYW1ldGVyIHNob3VsZCBwcm9iYWJseSBiZSBhIHRpbWVzdGFtcAo+ID4+IHJhdGhlciB0 aGFuIGEgZnJhbWUgY291bnRlci4KPiA+IAo+ID4gVGhhdCBzb3VuZHMgY29vbCB0byBtZSwgYnV0 IGFsc28gYSByYWJiaXQgaG9sZS4gV2hpbGUgaGF2aW5nIHdvcmtlZCBvbgo+ID4gdGhlIFdheWxh bmQgUHJlc2VudGF0aW9uIHF1ZXVlaW5nIGV4dGVuc2lvbiwgSSdkIGxpa2UgdG8gYXNrIHRoZQo+ ID4gZm9sbG93aW5nIHF1ZXN0aW9uczoKPiA+IAo+ID4gLSBJZiB5b3Ugc2V0IHRoZSBhdG9taWMg a2ljayB0byBoYXBwZW4gaW4gdGhlIGZ1dHVyZSwgaXMgdGhlcmUgYW55IHdheQo+ID4gICB0byBj YW5jZWwgaXQ/IEknZCBiZSBvayB3aXRoIG5vdCBiZWluZyBhYmxlIHRvIGNhbmNlbCBpbml0aWFs bHksIGJ1dAo+ID4gICBpZiBvbmUgd2FudHMgdG8gYWRkIHRoYXQgbGF0ZXIsIHdlIHNob3VsZCBh bHJlYWR5IGtub3cgaG93IHRvCj4gPiAgIHJlZmVyZW5jZSB0aGlzIGF0b21pYyBzdWJtaXNzaW9u IGluIHRoZSBjYW5jZWwgcmVxdWVzdC4gV2hhdCBpZiB1c2VyCj4gPiAgIHNwYWNlIGhhcyBhIGJ1 ZyBhbmQgc2NoZWR1bGVzIGFuIHVwZGF0ZSBhdCBvbmUgaG91ciBvciB0aHJlZSBkYXlzIGZyb20K PiA+ICAgbm93LCBob3cgd291bGQgd2UgYWJvcnQgdGhhdD8KPiA+IAo+ID4gLSBDYW4geW91IFZU LXN3aXRjaCBvciBkcm9wIERSTSBtYXN0ZXIgaWYgeW91IGhhdmUgYSBwZW5kaW5nIGF0b21pYwo+ ID4gICB1cGRhdGU/Cj4gPiAKPiA+IC0gU2hvdWxkIG9uZSBiZSBhYmxlIHRvIHNldCBtdWx0aXBs ZSBwZW5kaW5nIGF0b21pYyB1cGRhdGVzPwo+ID4gCj4gPiAtIElmIEkgc2NoZWR1bGUgYW4gYXRv bWljIHVwZGF0ZSBmb3Igb25lIENUUkMsIGNhbiBJIHNjaGVkdWxlIGFub3RoZXIKPiA+ICAgdXBk YXRlIGZvciBhbm90aGVyIENSVEMgYmVmb3JlIHRoZSBmaXJzdCBvbmUgY29tcGxldGVzPyBPciBh bSBJCj4gPiAgIGZvcmNlZCB0byBnYXRoZXIgYWxsIHVwZGF0ZXMgb3ZlciBhbGwgb3V0cHV0cyBp biB0aGUgc2FtZSBhdG9taWMKPiA+ICAgc3VibWlzc2lvbiBldmVuIGlmIEkgZG9uJ3QgY2FyZSBh Ym91dCBvciB3YW50IGludGVyLW91dHB1dCBzeW5jIGFuZAo+ID4gICB0aGUgb3V0cHV0cyBtaWdo dCBldmVuIGJlIHJ1bm5pbmcgYXQgZGlmZmVyZW50IHJlZnJlc2ggcmF0ZXM/Cj4gPiAgIChBY3R1 YWxseSwgdGhpcyBzZWVtcyB0byBiZSBhIHZhbGlkIHF1ZXN0aW9uIGV2ZW4gd2l0aG91dCBhbnkg dGFyZ2V0Cj4gPiAgIHRpbWUgcGFyYW1ldGVyLikKPiA+IAo+ID4gLSBJZiB0aGVyZSBjYW4gYmUg bXVsdGlwbGUgcGVuZGluZyBhdG9taWMgdXBkYXRlcyBvbiB0aGUgc2FtZSBEUk0KPiA+ICAgZGV2 aWNlLCBpcyB0aGVyZSBhbnkgd2F5IHRvIGd1YXJhbnRlZSB0aGF0IHRoZQo+ID4gICBEUk1fTU9E RV9BVE9NSUNfVEVTVF9PTkxZIHJlc3VsdHMgd2lsbCBiZSBhY2N1cmF0ZSBhbHNvIHdoZW4gdGhl Cj4gPiAgIGF0b21pYyB1cGRhdGUgYWN0dWFsbHkga2lja3MgaW4/IEFub3RoZXIgdXBkYXRlIG1h eSBoYXZlIGNoYW5nZWQgdGhlCj4gPiAgIGNvbmZpZ3VyYXRpb24gYmVmb3JlIHRoaXMgdXBkYXRl IGtpY2tzIGluLCB3aGljaCBtZWFucyB0aGUgb3ZlcmFsbAo+ID4gICBzdGF0ZSBpc24ndCB0aGUg c2FtZSB0aGF0IHdhcyB0ZXN0ZWQuCj4gPiAKPiA+IC0gRG9lcyBhIHBlbmRpbmcgYXRvbWljIHVw ZGF0ZSBwcmV2ZW50IGltbWVkaWF0ZSAob2xkIHN0eWxlKSBLTVMKPiA+ICAgY2hhbmdlcz8KPiA+ IAo+ID4gLSBBc3N1bWluZyBoYXJkd2FyZSBjYW5ub3QgZG8gYXJiaXRyYXJ5IHRpbWUgdXBkYXRl cywgaG93IGRvIHlvdSByb3VuZAo+ID4gICB0aGUgZ2l2ZW4gdGltZXN0YW1wPyBTdHJpY3RseSAi bm90IGJlZm9yZSIgZ2l2ZW4gdGltZT8gUm91bmQgdG8KPiA+ICAgbmVhcmVzdCBwb3NzaWJsZSB0 aW1lPyBUaGUgZWZmZWN0IG9mIHJlcXVpcmVkIHZzLiB1bndhbnRlZCBzeW5jIHRvCj4gPiAgIHZi bGFuaz8KPiA+IAo+ID4gLSBIb3cgd291bGQgdXNlciBzcGFjZSBtYXRjaCB0aGUgcGFnZSBmbGlw IGV2ZW50IHRvIHRoZSBhdG9taWMKPiA+ICAgc3VibWlzc2lvbiBpdCBkaWQ/Cj4gPiAKPiA+IEkg d29uZGVyIGlmIHRoZXJlIGlzIGEgd2F5IHRvIHBvc3Rwb25lIHRoZXNlIGhhcmQoPykgcXVlc3Rp b25zLCBzbyB0aGF0Cj4gPiB3ZSBjb3VsZCBoYXZlIGF0b21pYyBzb29uZXIgYW5kIGFkZCBzY2hl ZHVsaW5nIGxhdGVyPyBJIHdvdWxkIGltYWdpbmUKPiA+IHNvbHZpbmcgZXZlcnl0aGluZyBhYm92 ZSBpcyBxdWl0ZSBzb21lIHdvcmsuCj4gCj4gSSBhZ3JlZS4gVGhlIG1haW4gcmVhc29uIEkgYnJv dWdodCBpdCB1cCBpcyBiZWNhdXNlIEknZCBsaWtlIHRvIGF2b2lkCj4gZ2V0dGluZyBpbnRvIHRo ZSBzYW1lIHNpdHVhdGlvbiBhcyB3aXRoIHRoZSBjdXJyZW50Cj4gRFJNX0lPQ1RMX01PREVfUEFH RV9GTElQIGlvY3RsLCB3aGljaCBkb2Vzbid0IGV4cGxpY2l0bHkgY29tbXVuaWNhdGUKPiBiZXR3 ZWVuIHVzZXJzcGFjZSBhbmQga2VybmVsIHdoZW4gdGhlIGZsaXAgaXMgc3VwcG9zZWQvZXhwZWN0 ZWQgdG8KPiBvY2N1ci4gV2UgcmVjZW50bHkgaGFkIHRvIGp1bXAgdGhyb3VnaCBzb21lIGhvb3Bz IGluIHRoZSByYWRlb24ga2VybmVsCj4gZHJpdmVyIHRvIHByZXZlbnQgZmxpcHMgZnJvbSBvY2N1 cnJpbmcgc29vbmVyIHRoYW4gZXhwZWN0ZWQgYnkgdXNlcnNwYWNlLgoKVGhlIGN1cnJlbnQgYXBw cm9hY2ggaXMgdG8gYXNrIGZvciBhIHZibGFuayBldmVudCAxIGZyYW1lIGVhcmxpZXIgaW4gdGhl CmRkeCBhbmQgc2NoZWR1bGUgdGhlIGZsaXAgd2hlbiB5b3UgcmVjZWl2ZSB0aGF0LiBBbmQgaG9w ZSBmb3IgdGhlIGJlc3QuClRoZXJlIHNob3VsZG4ndCBiZSBhbnl0aGluZyByZWFsbHkgcmVxdWly ZWQgaW4gdGhlIGtlcm5lbC4KCj4gQnV0IEkgYWxzbyB0aGluayBpdCB3b3VsZCBiZSBhIHNoYW1l IGF0IHRoaXMgcG9pbnQgdG8gYWRkIG5ldyBpb2N0bHMKPiB3aGljaCBhcmVuJ3QgZGVzaWduZWQg d2l0aCB2YXJpYWJsZSByZWZyZXNoIHJhdGUgZGlzcGxheXMgaW4gbWluZC4KCkxldCdzIHBsZWFz ZSBub3QgYWltIGZvciB0aGUga2l0Y2hlbiBzaW5rLCB3ZSB3b24ndCBnZXQgdGhpcyBpbiBhbnl0 aW1lCnNvb24gb3RoZXJ3aXNlLiBBbmQgdGhlcmUgaXMgX2xvdHNfIG1vcmUgbGl0dGxlIGZlYXR1 cmVzIGFsbCBvdmVyIHRoYXQgd2UKd2FudCBidXQgZG9uJ3QgeWV0IGhhdmU6Ci0gdXBkYXRlIHJl Y3RhbmdsZSBmb3IgbWFudWFsL3NlbGVjdGl2ZSB1cGRhdGUgcGFuZWxzCi0gYXN5bmMgZmxpcHMv ZmxpcCBtZXJnaW5nIGFuZCBwcmVjaXNlIHNlbWFudGljcwotIGludGVncmF0aW9uIHdpdGggYW5k cm9pZCBzeW5jcHRzCi0gZmxpcCBxdWV1ZXMgYW5kIGNhbmNlbGxpbmcgZmxpcHMKLSAuLi4KCkl0 IGRvZXNuJ3QgbWFrZSBzZW5zZSB0byBhZGQgZXZlcnl0aGluZyBpbiB2MS4gQW5kIHRoZSBhdG9t aWMgaW9jdGwKZXh0ZW5kcyBmYWlybHkgd2VsbCAobWF5YmUgd2UgbmVlZCB3cml0ZS1vbmx5IHBy b3BlcnRpZXMgZm9yIHNvbWUgb2YgdGhpcwpzdHVmZikuIFdvcnN0IGNhc2Ugd2UgZ2V0IGF0b21p Y18yLzMvNCBpb2N0bHMuIEFmdGVyIGFsbCB3ZSdyZSBmYWlybHkgZ29vZAphdCByZXYnaW5nIGlu dGVyZmFjZSBpbiBkcm0uCi1EYW5pZWwKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5l ZXIsIEludGVsIENvcnBvcmF0aW9uCis0MSAoMCkgNzkgMzY1IDU3IDQ4IC0gaHR0cDovL2Jsb2cu ZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K ZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK