From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Noralf_Tr=c3=b8nnes?= Subject: Re: [PATCH 4/8] drm/fb-helper: Add fb_deferred_io support Date: Fri, 22 Apr 2016 16:17:14 +0200 Message-ID: <571A326A.9070407@tronnes.org> References: <1461165929-11344-1-git-send-email-noralf@tronnes.org> <1461165929-11344-5-git-send-email-noralf@tronnes.org> <571921F5.2080007@tronnes.org> <20160422082719.GH2510@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from smtp.domeneshop.no (smtp.domeneshop.no [IPv6:2a01:5b40:0:3005::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3704F6EEFB for ; Fri, 22 Apr 2016 14:17:23 +0000 (UTC) In-Reply-To: <20160422082719.GH2510@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, laurent.pinchart@ideasonboard.com, tomi.valkeinen@ti.com, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org CkRlbiAyMi4wNC4yMDE2IDEwOjI3LCBza3JldiBEYW5pZWwgVmV0dGVyOgo+IE9uIFRodSwgQXBy IDIxLCAyMDE2IGF0IDA4OjU0OjQ1UE0gKzAyMDAsIE5vcmFsZiBUcsO4bm5lcyB3cm90ZToKPj4g RGVuIDIwLjA0LjIwMTYgMTc6MjUsIHNrcmV2IE5vcmFsZiBUcsO4bm5lczoKPj4+IFRoaXMgYWRk cyBkZWZlcnJlZCBpbyBzdXBwb3J0IGlmIENPTkZJR19GQl9ERUZFUlJFRF9JTyBpcyBlbmFibGVk Lgo+Pj4gQWNjdW11bGF0ZWQgZmJkZXYgZnJhbWVidWZmZXIgY2hhbmdlcyBhcmUgc2lnbmFsZWQg dXNpbmcgdGhlIGNhbGxiYWNrCj4+PiAoc3RydWN0IGRybV9mcmFtZWJ1ZmZlcl9mdW5jcyAqKS0+ ZGlydHkoKQo+Pj4KPj4+IFRoZSBkcm1fZmJfaGVscGVyX3N5c18qKCkgZnVuY3Rpb25zIHdpbGwg YWNjdW11bGF0ZSBjaGFuZ2VzIGFuZAo+Pj4gc2NoZWR1bGUgZmJfaW5mby5kZWZlcnJlZF93b3Jr IF9pZl8gZmJfaW5mby5mYmRlZmlvIGlzIHNldC4KPj4+IFRoaXMgd29ya2VyIGlzIHVzZWQgYnkg dGhlIGRlZmVycmVkIGlvIG1tYXAgY29kZSB0byBzaWduYWwgdGhhdCBpdAo+Pj4gaGFzIGJlZW4g Y29sbGVjdGluZyBwYWdlIGZhdWx0cy4gVGhlIHBhZ2UgZmF1bHRzIGFuZC9vciBvdGhlciBjaGFu Z2VzCj4+PiBhcmUgdGhlbiBtZXJnZWQgaW50byBhIGRybV9jbGlwX3JlY3QgYW5kIHBhc3NlZCB0 byB0aGUgZnJhbWVidWZmZXIKPj4+IGRpcnR5KCkgZnVuY3Rpb24uCj4+Pgo+Pj4gVGhlIGRyaXZl ciBpcyByZXNwb25zaWJsZSBmb3Igc2V0dGluZyB1cCB0aGUgZmJfaW5mby5mYmRlZmlvIHN0cnVj dHVyZQo+Pj4gYW5kIGNhbGxpbmcgZmJfZGVmZXJyZWRfaW9faW5pdCgpIHVzaW5nIHRoZSBwcm92 aWRlZCBjYWxsYmFjazoKPj4+IChzdHJ1Y3QgZmJfZGVmZXJyZWRfaW8pLmRlZmVycmVkX2lvID0g ZHJtX2ZiX2hlbHBlcl9kZWZlcnJlZF9pbzsKPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBOb3JhbGYg VHLDuG5uZXMgPG5vcmFsZkB0cm9ubmVzLm9yZz4KPj4+IC0tLQo+Pj4gICBkcml2ZXJzL2dwdS9k cm0vZHJtX2ZiX2hlbHBlci5jIHwgMTE5ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKy0KPj4+ICAgaW5jbHVkZS9kcm0vZHJtX2ZiX2hlbHBlci5oICAgICB8ICAxNSArKysr Kwo+Pj4gICAyIGZpbGVzIGNoYW5nZWQsIDEzMyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0p Cj4+Pgo+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZmJfaGVscGVyLmMgYi9k cml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jCj4+IFsuLi5dCj4+Cj4+PiArI2lmZGVmIENP TkZJR19GQl9ERUZFUlJFRF9JTwo+Pj4gKy8qKgo+Pj4gKyAqIGRybV9mYl9oZWxwZXJfZGVmZXJy ZWRfaW8oKSAtIChzdHJ1Y3QgZmJfZGVmZXJyZWRfaW8gKiktPmRlZmVycmVkX2lvIGNhbGxiYWNr Cj4+PiArICogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZnVuY3Rpb24KPj4+ICsgKgo+ Pj4gKyAqIFRoaXMgZnVuY3Rpb24gYWx3YXlzIHJ1bnMgaW4gcHJvY2VzcyBjb250ZXh0IChzdHJ1 Y3QgZGVsYXllZF93b3JrKSBhbmQgY2FsbHMKPj4+ICsgKiB0aGUgKHN0cnVjdCBkcm1fZnJhbWVi dWZmZXJfZnVuY3MpLT5kaXJ0eSBmdW5jdGlvbiB3aXRoIHRoZSBjb2xsZWN0ZWQKPj4+ICsgKiBk YW1hZ2UuIFRoZXJlJ3Mgbm8gbmVlZCB0byB3b3JyeSBhYm91dCB0aGUgcG9zc2liaWxpdHkgdGhh dCB0aGUgZmJfc3lzXyooKQo+Pj4gKyAqIGZ1bmN0aW9ucyBjb3VsZCBiZSBydW5uaW5nIGluIGF0 b21pYyBjb250ZXh0LiBUaGV5IG9ubHkgc2NoZWR1bGUgdGhlCj4+PiArICogZGVsYXllZCB3b3Jr ZXIgd2hpY2ggdGhlbiBjYWxscyB0aGlzIGRlZmVycmVkX2lvIGNhbGxiYWNrLgo+Pj4gKyAqLwo+ Pj4gK3ZvaWQgZHJtX2ZiX2hlbHBlcl9kZWZlcnJlZF9pbyhzdHJ1Y3QgZmJfaW5mbyAqaW5mbywK Pj4+ICsJCQkgICAgICAgc3RydWN0IGxpc3RfaGVhZCAqcGFnZWxpc3QpCj4+PiArewo+Pj4gKwlz dHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyID0gaW5mby0+cGFyOwo+Pj4gKwl1bnNpZ25lZCBs b25nIHN0YXJ0LCBlbmQsIG1pbiwgbWF4Owo+Pj4gKwlzdHJ1Y3QgZHJtX2NsaXBfcmVjdCBjbGlw Owo+Pj4gKwl1bnNpZ25lZCBsb25nIGZsYWdzOwo+Pj4gKwlzdHJ1Y3QgcGFnZSAqcGFnZTsKPj4+ ICsKPj4+ICsJaWYgKCFoZWxwZXItPmZiLT5mdW5jcy0+ZGlydHkpCj4+PiArCQlyZXR1cm47Cj4+ PiArCj4+PiArCXNwaW5fbG9ja19pcnFzYXZlKCZoZWxwZXItPmRpcnR5X2xvY2ssIGZsYWdzKTsK Pj4+ICsJY2xpcCA9IGhlbHBlci0+ZGlydHlfY2xpcDsKPj4+ICsJZHJtX2NsaXBfcmVjdF9yZXNl dCgmaGVscGVyLT5kaXJ0eV9jbGlwKTsKPj4+ICsJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgmaGVs cGVyLT5kaXJ0eV9sb2NrLCBmbGFncyk7Cj4+PiArCj4+PiArCW1pbiA9IFVMT05HX01BWDsKPj4+ ICsJbWF4ID0gMDsKPj4+ICsJbGlzdF9mb3JfZWFjaF9lbnRyeShwYWdlLCBwYWdlbGlzdCwgbHJ1 KSB7Cj4+PiArCQlzdGFydCA9IHBhZ2UtPmluZGV4IDw8IFBBR0VfU0hJRlQ7Cj4+PiArCQllbmQg PSBzdGFydCArIFBBR0VfU0laRSAtIDE7Cj4+PiArCQltaW4gPSBtaW4obWluLCBzdGFydCk7Cj4+ PiArCQltYXggPSBtYXgobWF4LCBlbmQpOwo+Pj4gKwl9Cj4+PiArCj4+PiArCWlmIChtaW4gPCBt YXgpIHsKPj4+ICsJCXN0cnVjdCBkcm1fY2xpcF9yZWN0IG1tYXBfY2xpcDsKPj4+ICsKPj4+ICsJ CW1tYXBfY2xpcC54MSA9IDA7Cj4+PiArCQltbWFwX2NsaXAueDIgPSBpbmZvLT52YXIueHJlczsK Pj4+ICsJCW1tYXBfY2xpcC55MSA9IG1pbiAvIGluZm8tPmZpeC5saW5lX2xlbmd0aDsKPj4+ICsJ CW1tYXBfY2xpcC55MiA9IG1pbl90KHUzMiwgbWF4IC8gaW5mby0+Zml4LmxpbmVfbGVuZ3RoLAo+ Pj4gKwkJCQkgICAgIGluZm8tPnZhci55cmVzKTsKPj4+ICsJCWRybV9jbGlwX3JlY3RfbWVyZ2Uo JmNsaXAsICZtbWFwX2NsaXAsIDEsIDAsIDAsIDApOwo+Pj4gKwl9Cj4+PiArCj4+PiArCWlmICgh ZHJtX2NsaXBfcmVjdF9pc19lbXB0eSgmY2xpcCkpCj4+PiArCQloZWxwZXItPmZiLT5mdW5jcy0+ ZGlydHkoaGVscGVyLT5mYiwgTlVMTCwgMCwgMCwgJmNsaXAsIDEpOwo+Pj4gK30KPj4+ICtFWFBP UlRfU1lNQk9MKGRybV9mYl9oZWxwZXJfZGVmZXJyZWRfaW8pOwo+PiBUaGVyZSBpcyBvbmUgdGhp bmcgSSBoYXZlIHdvbmRlcmVkIGFib3V0IHdoZW4gaXQgY29tZXMgdG8gZGVmZXJyZWQgaW8gYW5k Cj4+IGxvbmcgcnVuIHRpbWVzIGZvciB0aGUgZGVmaW8gd29ya2VyIHdpdGggbXkgZGlzcGxheXM6 Cj4+Cj4+IFVzZXJzcGFjZSB3cml0ZXMgdG8gc29tZSBwYWdlcyB0aGVuIHRoZSBkZWZlcnJlZCBp byB3b3JrZXIga2lja3Mgb2ZmIGFuZAo+PiBydW5zIGZvciAxMDBtcyBob2xkaW5nIHRoZSBwYWdl IGxpc3QgbXV0ZXguIFdoaWxlIHRoaXMgaXMgaGFwcGVuaW5nLAo+PiB1c2Vyc3BhY2Ugd3JpdGVz IHRvIGEgbmV3IHBhZ2UgdHJpZ2dlcmluZyBhIHBhZ2VfbWt3cml0ZS4gTm93IHRoaXMKPj4gZnVu Y3Rpb24gaGFzIHRvIHdhaXQgZm9yIHRoZSBtdXRleCB0byBiZSByZWxlYXNlZC4KPj4KPj4gV2hv IGlzIGFjdHVhbGx5IHdhaXRpbmcgaGVyZSBhbmQgaXMgdGhlcmUgYSBwcm9ibGVtIHRoYXQgdGhp cyBjYW4gbGFzdAo+PiBmb3IgMTAwbXM/Cj4gTm8gaWRlYSBhdCBhbGwgLSBJIGhhdmVuJ3QgbG9v a2VkIHRoYXQgY2xvc2VseSBhdCAgZmJkZXYgZGVmaW8uIEJ1dCBvbmUKPiByZWFzb24gd2UgaGF2 ZSBhbiBleHBsaWNpdCBpb2N0bCBpbiBkcm0gdG8gZmx1c2ggb3V0IGZyb250YnVmZmVyIHJlbmRl cmluZwo+IGlzIGV4YWN0bHkgdGhhdCBmbHVzaGluZyBjb3VsZCB0YWtlIHNvbWUgdGltZSwgYW5k IHNob3VsZCBvbmx5IGJlIGRvbmUKPiBvbmNlIHVzZXJzcGFjZSBoYXMgY29tcGxldGVkIHNvbWUg cmVuZGVyaW5nLiBOb3QgcmlnaHQgaW4gdGhlIG1pZGRsZSBvZiBhbgo+IG9wLgo+Cj4gSSBndWVz cyBmaXggdXAgeW91ciB1c2Vyc3BhY2UgdG8gdXNlIGR1bWIgZHJtIGZiICsgZHJtIGRpcnR5ZmIg aW9jdGw/Cj4gT3RoZXJ3aXNlIHlvdSdsbCBnZXQgdG8gaW1wcm92ZSBmYmRldiBkZWZpbywgYW5k IGZiZGV2IGlzIGRlcHJlY2F0ZWQKPiBzdWJzeXN0ZW0gYW5kIGEgcmVhbCBob3Jyb3Igc2hvdy4g SSBoaWdobHkgcmVjb21tZW5kIGFnYWluc3QgdG91Y2hpbmcgaXQKPiA7LSkKCkkgaGF2ZSB0cmll ZCB0byB0cmFjayB0aGUgY2FsbCBjaGFpbiBhbmQgaXQgc2VlbXMgdG8gYmUgcGFydCBvZiB0aGUK cGFnZSBmYXVsdCBoYW5kbGVyLiBXaGljaCBtZWFucyBpdCdzIHVzZXJzcGFjZSB3YW50aW5nIHRv IHdyaXRlIHRvIHRoZQpwYWdlIHRoYXQgaGFzIHRvIHdhaXQuIEFuZCBpdCBoYXMgdG8gd2FpdCBh dCBzb21lIHJhbmRvbSBwb2ludCBpbgp3aGF0ZXZlciByZW5kZXJpbmcgaXQncyBkb2luZy4KClVu bGVzcyBzb21lb25lIGhhcyBhbnkgb2JqZWN0aW9ucywgSSB3aWxsIG1ha2UgYSBjaGFuZ2UgYW5k IGFkZCBhIHdvcmtlcgpsaWtlIHF4bCBkb2VzLiBUaGlzIGRlY291cGxlcyB0aGUgZGVmZXJyZWRf aW8gd29ya2VyIGhvbGRpbmcgdGhlIG11dGV4CmZyb20gdGhlIGZyYW1lYnVmZmVyIGZsdXNoaW5n IGpvYi4gSG93ZXZlciBJIGludGVuZCB0byBkaWZmZXIgZnJvbSBxeGwgaW4KdGhhdCBJIHdpbGwg dXNlIGEgZGVsYXllZCB3b3JrZXIgKHJ1biBpbW1lZGlhdGVseSBmcm9tIHRoZSBtbWFwIHNpZGUg d2hpY2gKaGFzIGFscmVhZHkgYmVlbiBkZWZlcnJlZCkuIFNpbmNlIEkgZG9uJ3Qgc2VlIGFueSBw b2ludCBpbiBmbHVzaGluZyB0aGUKZnJhbWVidWZmZXIgaW1tZWRpYXRlbHkgd2hlbiBmYmNvbiBo YXMgcHV0IG91dCBvbmx5IG9uZSBnbHlwaCwgbWlnaHQgYXMKd2VsbCBkZWZlciBpdCBhIGNvdXBs ZSBvZiBqaWZmaWVzIHRvIGJlIGFibGUgdG8gY2FwdHVyZSBzb21lIG1vcmUgZ2x5cGhzLgoKQWRk aW5nIGEgd29ya2VyIGFsc28gbWVhbnMgdGhhdCB1ZGwgZG9lc24ndCBoYXZlIHRvIGluaXRpYWxp emUgZGVmZXJyZWRfaW8KYmVjYXVzZSB3ZSB3b24ndCBiZSB1c2luZyB0aGUgZGVmZXJyZWRfd29y ayB3b3JrZXIgZm9yIGZsdXNoaW5nIGZiXyooKS4KCkFuZCB5ZXMsIHVzaW5nIGRybSBmcm9tIHVz ZXJzcGFjZSBpcyAiVGhlIHNvbHV0aW9uIiBoZXJlIDotKSwgaG93ZXZlcgpJIHdhbnQgdG8gbWFr ZSB0aGUgYmVzdCBvdXQgb2YgZmJkZXYgc2luY2Ugc29tZSBvZiB0aGUgdGlueWRybSB1c2Vycwpj b21pbmcgZnJvbSBkcml2ZXJzL3N0YWdpbmcvZmJ0ZnQgd2lsbCBwcm9iYWJseSBjb250aW51ZSB3 aXRoIGZiZGV2LgoKCk5vcmFsZi4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo=