From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: Precise vblank timestamping for VC4 kms. Date: Thu, 23 Jun 2016 09:28:34 +0200 Message-ID: References: <1466662670-9884-1-git-send-email-mario.kleiner.de@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-oi0-x22d.google.com (mail-oi0-x22d.google.com [IPv6:2607:f8b0:4003:c06::22d]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F7576E07E for ; Thu, 23 Jun 2016 07:28:36 +0000 (UTC) Received: by mail-oi0-x22d.google.com with SMTP id s66so57840320oif.1 for ; Thu, 23 Jun 2016 00:28:36 -0700 (PDT) In-Reply-To: <1466662670-9884-1-git-send-email-mario.kleiner.de@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Mario Kleiner Cc: dri-devel List-Id: dri-devel@lists.freedesktop.org T24gVGh1LCBKdW4gMjMsIDIwMTYgYXQgODoxNyBBTSwgTWFyaW8gS2xlaW5lcgo8bWFyaW8ua2xl aW5lci5kZUBnbWFpbC5jb20+IHdyb3RlOgo+IFRoZSBmb2xsb3dpbmcgcGF0Y2ggaW1wbGVtZW50 cyBwcmVjaXNlIHZibGFuayB0aW1lc3RhbXBpbmcKPiBmb3IgUmFzcGJlcnJ5UGkncyBWQzQsIGF0 IGxlYXN0IGZvciBzdGFuZGFyZCBwcm9ncmVzc2l2ZQo+IHNjYW4gZGlzcGxheSBtb2Rlcy4KPgo+ IEl0IGhhcyBiZWVuIHRlc3RlZCBvbiB0aGUgSERNSSBvdXRwdXQgd2l0aCBoYWxmIGEgZG96ZW4g ZGlmZmVyZW50Cj4gdmlkZW8gbW9kZXMgdXNpbmcgc3BlY2lhbCBoYXJkd2FyZSBtZWFzdXJlbWVu dCBlcXVpcG1lbnQgdG8gY29tcGFyZQo+IGdlbmVyYXRlZCB0aW1lIHN0YW1wcyBhZ2FpbnN0IHJl YWxpdHkuIEFjY29yZGluZyB0byB0aGUgdGVzdHMgaXQKPiB3b3JrcyB3ZWxsIGluIGl0cyBjdXJy ZW50IGZvcm0uCj4KPiBEdWUgdG8gaHcgbGltaXRhdGlvbnMgb2YgdGhlIFZDNCwgdGltZXN0YW1w cyBjYW4ndCBiZSBzY2FubGluZQo+IGFjY3VyYXRlIHdoZW4gdGFrZW4gd2l0aGluIHZibGFuaywg YXMgZXhwbGFpbmVkIGluIHRoZSBwYXRjaCwKPiBidXQgYXQgbGVhc3QgdGhleSB3aWxsIG5ldmVy IGJlIG9mZiBieSBtb3JlIHRoYW4gMSB2YmxhbmsKPiBkdXJhdGlvbiwgYW5kIGFyZSB0eXBpY2Fs bHkgc3RpbGwgYWNjdXJhdGUgdG8gfjAuMSBtc2Vjcwo+IGZvciB0aGUgY29tbW9uIGNhc2Ugd2hl biB0aGUgdGltZXN0YW1waW5nIGlzIHRyaWdnZXJlZCBmcm9tCj4gdmJsYW5rIGludGVycnVwdC4K Pgo+IFRoZSBwYXRjaCBleHBvc2VkIHNvbWUgcHJvYmxlbXMgd2l0aCBob3cgdGhlIGRybSBjb3Jl IGhhbmRsZXMKPiBjYWxjdWxhdGlvbiBvZiB2YmxhbmsgdGltZXN0YW1waW5nIGNvbnN0YW50cyBm b3IgaW50ZXJsYWNlZAo+IHZpZGVvIG1vZGVzIGluIGRybV9jYWxjX3RpbWVzdGFtcGluZ19jb25z dGFudHMoKS4gU2VlbXMgaXQgY3V0cwo+IHRoZSBleHBlY3RlZCBmcmFtZSBkdXJhdGlvbiBmcmFt ZWR1cl9ucyBpbnRvIGhhbGYgZm9yIGludGVybGFjZWQKPiBtb2RlcyB0d28gdGltZXMsIHNvIGl0 IGVuZHMgdXAgZXhwZWN0aW5nIGEgZmllbGQgZHVyYXRpb24gaGFsZgo+IG9mIHdoYXQgaXQgc2hv dWxkIGJlIGFuZCB0aGVuIG1pc2NhbGN1bGF0ZXMgdmJsYW5rIGNvdW50ZXIgaW5jcmVtZW50cwo+ IGFzIHNvb24gYXMgdmJsYW5rIHRpbWVzdGFtcGluZyBpcyBzdXBwb3J0ZWQgYW5kIHRoZSBjb3Jl IHRyaWVzIHRvCj4gZGVyaXZlIHZibGFuayBjb3VudHMgZnJvbSBpdC4gVG8gd29yayBhcm91bmQg dGhpcyBidWcsIGZvciB0aGUKPiBtb21lbnQgdGhlIHZibGFuayB0aW1lc3RhbXBpbmcgd2lsbCBk aXNhYmxlIGl0c2VsZiBmb3IgaW50ZXJsYWNlZAo+IG1vZGVzIGFuZCBvbmx5IHdvcmsgZm9yIHJl Z3VsYXIgcHJvZ3Jlc3NpdmUgc2Nhbi4KPgo+IEVyaWM6IEluIHRoZSBwYXRjaCBpIG5lZWQgdG8g Y2FsY3VsYXRlIGZpZm9fbGluZXMgYXMgdGhlIGNhcGFjaXR5Cj4gb2Ygd2hhdCBzZWVtcyB0byBi ZSBhIG11bHRpLWxpbmUgZmlmbyBsaW5lIGJ1ZmZlciBmb3IgY29tcG9zaXRlZCBvdXRwdXQKPiBz Y2FubGluZXMgYmV0d2VlbiB0aGUgSFZTIGFuZCB0aGUgUFYsIG9yIG1heWJlIGFuIGlucHV0IGZp Zm8gYmV0d2Vlbgo+IHRoZSBmcmFtZWJ1ZmZlcihzKSBhbmQgdGhlIEhWUz8gVGhlIGZvcm11bGEg aSBjdXJyZW50bHkgdXNlIGlzIGFkLWhvYywKPiBmb3VuZCBieSB0cmlhbCBhbmQgZXJyb3IuIEl0 IHdvcmtzIHJlYXNvbmFibHkgd2VsbCBmb3IgYSByYW5nZSBvZgo+IHZpZGVvIG1vZGVzIGkgY291 bGQgdGVzdCB3aXRoIG15IG1lYXN1cmVtZW50IGVxdWlwbWVudCwgYnV0IGl0IHdvdWxkCj4gYmUg Z29vZCB0byByZXBsYWNlIGl0IGJ5IG9uZSB0aGF0IGlzIGFjdHVhbGx5IGFjY3VyYXRlbHkgZGVy aXZlZCBmcm9tCj4geW91ciBoYXJkd2FyZSBkb2NzLgo+Cj4gT3RoZXIgdGhhbiB0aGF0LCB0aGlz IHNob3VsZCBiZSBnb29kIHRvIGdvLgoKSnVzdCBvdXQgb2YgY3VyaW9zaXR5OiBJcyB0aGVyZSBu byB0aW1lc3RhbXAgcmVnaXN0ZXIgdGhhdCBzYW1wbGVzIGEKcmVmY2xvY2sgb24gZWFjaCB2Ymxh bmsgdGhhdCBjb3VsZCBiZSB1c2VkIGluc3RlYWQ/IFRoYXQgc2VlbXMgdG8gYmUgYQpzb21ld2hh dCBjb21tb24gZmVhdHVyZSBhZmFpY3QgKGJ1dCBJIGRvbid0IGtub3cgYWJvdXQgdmM0KS4KLURh bmllbAotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRp b24KKzQxICgwKSA3OSAzNjUgNTcgNDggLSBodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBs aXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK