From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH v2 4/8] drm/fb-helper: Add fb_deferred_io support Date: Tue, 26 Apr 2016 19:19:02 +0200 Message-ID: <20160426171902.GA2558@phenom.ffwll.local> References: <1461530942-22485-1-git-send-email-noralf@tronnes.org> <1461530942-22485-5-git-send-email-noralf@tronnes.org> <20160425090957.GQ2510@phenom.ffwll.local> <571F9656.1090506@tronnes.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x241.google.com (mail-wm0-x241.google.com [IPv6:2a00:1450:400c:c09::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6E7476E297 for ; Tue, 26 Apr 2016 17:19:19 +0000 (UTC) Received: by mail-wm0-x241.google.com with SMTP id n3so6952683wmn.1 for ; Tue, 26 Apr 2016 10:19:19 -0700 (PDT) Content-Disposition: inline In-Reply-To: <571F9656.1090506@tronnes.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Noralf =?iso-8859-1?Q?Tr=F8nnes?= Cc: linux-fbdev@vger.kernel.org, tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBBcHIgMjYsIDIwMTYgYXQgMDY6MjQ6NTRQTSArMDIwMCwgTm9yYWxmIFRyw7hubmVz IHdyb3RlOgo+IAo+IERlbiAyNS4wNC4yMDE2IDExOjA5LCBza3JldiBEYW5pZWwgVmV0dGVyOgo+ ID5PbiBTdW4sIEFwciAyNCwgMjAxNiBhdCAxMDo0ODo1OFBNICswMjAwLCBOb3JhbGYgVHLDuG5u ZXMgd3JvdGU6Cj4gPj5UaGlzIGFkZHMgZGVmZXJyZWQgaW8gc3VwcG9ydCBpZiBDT05GSUdfRkJf REVGRVJSRURfSU8gaXMgZW5hYmxlZC4KPiA+PlRoZSBmYmRldiBmcmFtZWJ1ZmZlciBjaGFuZ2Vz IGFyZSBmbHVzaGVkIHVzaW5nIHRoZSBjYWxsYmFjawo+ID4+KHN0cnVjdCBkcm1fZnJhbWVidWZm ZXIgKiktPmZ1bmNzLT5kaXJ0eSgpIGJ5IGEgZGVkaWNhdGVkIHdvcmtlcgo+ID4+ZW5zdXJpbmcg dGhhdCBpdCBhbHdheXMgcnVucyBpbiBwcm9jZXNzIGNvbnRleHQuCj4gPj4KPiA+PlNpZ25lZC1v ZmYtYnk6IE5vcmFsZiBUcsO4bm5lcyA8bm9yYWxmQHRyb25uZXMub3JnPgo+ID4+LS0tCj4gPj4K PiA+PkNoYW5nZXMgc2luY2UgdjE6Cj4gPj4tIFVzZSBhIGRlZGljYXRlZCB3b3JrZXIgdG8gcnVu IHRoZSBmcmFtZWJ1ZmZlciBmbHVzaGluZyBsaWtlIHF4bCBkb2VzCj4gPj4tIEFkZCBwYXJhbWV0 ZXIgZGVzY3JpcHRpb25zIHRvIGRybV9mYl9oZWxwZXJfZGVmZXJyZWRfaW8KPiA+Pgo+ID4+ICBk cml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jIHwgMTI3ICsrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKy0KPiA+PiAgaW5jbHVkZS9kcm0vZHJtX2ZiX2hlbHBlci5oICAg ICB8ICAxNyArKysrKysKPiA+PiAgMiBmaWxlcyBjaGFuZ2VkLCAxNDMgaW5zZXJ0aW9ucygrKSwg MSBkZWxldGlvbigtKQo+ID4+Cj4gPj5kaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9m Yl9oZWxwZXIuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZmJfaGVscGVyLmMKPiA+PmluZGV4IDg1 NTEwOGUuLjQ2ZWU2ZjggMTAwNjQ0Cj4gPj4tLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hl bHBlci5jCj4gPj4rKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jCj4gPj5AQCAt NDAsNiArNDAsNyBAQAo+ID4+ICAjaW5jbHVkZSA8ZHJtL2RybV9jcnRjX2hlbHBlci5oPgo+ID4+ ICAjaW5jbHVkZSA8ZHJtL2RybV9hdG9taWMuaD4KPiA+PiAgI2luY2x1ZGUgPGRybS9kcm1fYXRv bWljX2hlbHBlci5oPgo+ID4+KyNpbmNsdWRlIDxkcm0vZHJtX3JlY3QuaD4KPiA+Pgo+ID4+ICBz dGF0aWMgYm9vbCBkcm1fZmJkZXZfZW11bGF0aW9uID0gdHJ1ZTsKPiA+PiAgbW9kdWxlX3BhcmFt X25hbWVkKGZiZGV2X2VtdWxhdGlvbiwgZHJtX2ZiZGV2X2VtdWxhdGlvbiwgYm9vbCwgMDYwMCk7 Cj4gPj5AQCAtNDgsNiArNDksMTAgQEAgTU9EVUxFX1BBUk1fREVTQyhmYmRldl9lbXVsYXRpb24s Cj4gPj4KPiA+PiAgc3RhdGljIExJU1RfSEVBRChrZXJuZWxfZmJfaGVscGVyX2xpc3QpOwo+ID4+ Cj4gPj4rc3RhdGljIHZvaWQgZHJtX2ZiX2hlbHBlcl9kaXJ0eV9pbml0KHN0cnVjdCBkcm1fZmJf aGVscGVyICpoZWxwZXIpOwo+ID4+K3N0YXRpYyB2b2lkIGRybV9mYl9oZWxwZXJfZGlydHkoc3Ry dWN0IGZiX2luZm8gKmluZm8sIHUzMiB4LCB1MzIgeSwKPiA+PisJCQkJdTMyIHdpZHRoLCB1MzIg aGVpZ2h0KTsKPiA+PisKPiA+PiAgLyoqCj4gPj4gICAqIERPQzogZmJkZXYgaGVscGVycwo+ID4+ ICAgKgo+ID4+QEAgLTg0LDYgKzg5LDE2IEBAIHN0YXRpYyBMSVNUX0hFQUQoa2VybmVsX2ZiX2hl bHBlcl9saXN0KTsKPiA+PiAgICogYW5kIHNldCB1cCBhbiBpbml0aWFsIGNvbmZpZ3VyYXRpb24g dXNpbmcgdGhlIGRldGVjdGVkIGhhcmR3YXJlLCBkcml2ZXJzCj4gPj4gICAqIHNob3VsZCBjYWxs IGRybV9mYl9oZWxwZXJfc2luZ2xlX2FkZF9hbGxfY29ubmVjdG9ycygpIGZvbGxvd2VkIGJ5Cj4g Pj4gICAqIGRybV9mYl9oZWxwZXJfaW5pdGlhbF9jb25maWcoKS4KPiA+PisgKgo+ID4+KyAqIElm IENPTkZJR19GQl9ERUZFUlJFRF9JTyBpcyBlbmFibGVkIGFuZAo+ID4+KyAqIChzdHJ1Y3QgZHJt X2ZyYW1lYnVmZmVyICopLT5mdW5jcy0+ZGlydHkgaXMgc2V0LCB0aGUKPiA+PisgKiBkcm1fZmJf aGVscGVyX3tjZmIsc3lzfV97d3JpdGUsZmlsbHJlY3QsY29weWFyZWEsaW1hZ2VibGl0fSBmdW5j dGlvbnMKPiA+PisgKiB3aWxsIGFjY3VtdWxhdGUgY2hhbmdlcyBhbmQgc2NoZWR1bGUgKHN0cnVj dCBmYl9oZWxwZXIpLmRpcnR5X3dvcmsgdG8gcnVuCj4gPj4rICogcmlnaHQgYXdheS4gVGhpcyB3 b3JrZXIgdGhlbiBjYWxscyB0aGUgZGlydHkoKSBmdW5jdGlvbiBlbnN1cmluZyB0aGF0IGl0Cj4g Pj4rICogd2lsbCBhbHdheXMgcnVuIGluIHByb2Nlc3MgY29udGV4dCBzaW5jZSB0aGUgZmJfKigp IGZ1bmN0aW9uIGNvdWxkIGJlCj4gPj4rICogcnVubmluZyBpbiBhdG9taWMgY29udGV4dC4gSWYg ZHJtX2ZiX2hlbHBlcl9kZWZlcnJlZF9pbygpIGlzIHVzZWQgYXMgdGhlCj4gPj4rICogZGVmZXJy ZWRfaW8gY2FsbGJhY2sgaXQgd2lsbCBhbHNvIHNjaGVkdWxlIGRpcnR5X3dvcmsgd2l0aCB0aGUg ZGFtYWdlCj4gPj4rICogY29sbGVjdGVkIGZyb20gdGhlIG1tYXAgcGFnZSB3cml0ZXMuCj4gPk9u ZSB0aGluZyB0byBjb25zaWRlciAoYW5kIHBlcnNvbmFsbHkgSSBkb24ndCBjYXJlIGVpdGhlciB3 YXkpIGlzIHdoZXRoZXIKPiA+d2Ugc2hvdWxkbid0IGp1c3Qgc2VsZWN0IENPTkZJR19GQl9ERUZF UlJFRF9JTyBpZiB0aGUgZmJkZXYgaGVscGVycyBhcmUKPiA+ZW5hYmxlZC4gUHVzaGluZyB0aGF0 IG91dCB0byBkcml2ZXJzIGlzIGltbyBhIGJpdCBmcmFnaWxlLgo+ID4KPiA+QnV0IGxpa2UgSSBz YWlkIEknbSBvayB3aXRoIGVpdGhlciB3YXkuCj4gCj4gTXkgY29uY2VybiB3YXMgYWRkaW5nIGNv ZGUgYW5kIGRhdGEgdGhhdCBvbmx5IGEgZmV3IGRyaXZlcnMgd291bGQKPiBhY3R1YWxseSB1c2Uu IEJ1dCBvZiBjb3Vyc2UgdGhlcmUncyB0aGUgdHJhZGVvZmYgd2l0aCBjb21wbGV4aXR5Lgo+IEkg dXNlIHRoaXMgdG8gZW5hYmxlIGl0Ogo+ICAgICAgICAgc2VsZWN0IEZCX0RFRkVSUkVEX0lPIGlm IERSTV9LTVNfRkJfSEVMUEVSCj4gCj4gSSBndWVzcyB0aGUgbWFpbnRhaW5lciBoYXMgdG8gbWFr ZSB0aGlzIGNob2ljZSBiZXR3ZWVuIHNpemUgYW5kIGNvbXBsZXhpdHkKPiA6LSkKPiBJIGNhbiBl bmFibGUgaXQgYnkgZGVmYXVsdCBpZiB5b3Ugd2FudCwgZHJtIGlzIGJvdGggaHVnZSBhbmQgY29t cGxleCBzbyBJCj4gZG9uJ3Qga25vdyB3aGF0J3MgYmVzdC4KPiAKPiBBcyBhIHNpZGVub3RlLCBJ IGhhdmUgYWxzbyBwdXQgYWxsIHRoZSBmYmRldiBjb2RlIGluIGEgZmlsZSBvZiBpdCdzIG93biB0 bwo+IG1ha2UgaXQgc2ltcGxlIHdpdGggcmVnYXJkcyB0byB0aGUgRFJNX0ZCREVWX0VNVUxBVElP TiB1c2VyIG9wdGlvbjoKPiB0aW55ZHJtLSQoQ09ORklHX0RSTV9LTVNfRkJfSEVMUEVSKSAgICAg Kz0gdGlueWRybS1mYmRldi5vCgpPaywgaWYgeW91IGFzayBtYWludGFpbmVycyB0aGVuIHBsZWFz ZSBudWtlIHRoZSAjaWZkZWYgZnJvbSAuYyBmaWxlcy4gSWYKeW91IHNlbGVjdCBDT05GSUdfRFJN X0tNU19GQl9IRUxQRVIsIHRoZW4geW91IGdldCBoZG1pLCBlZGlkLCBkcCBhdXgsIGRwCm1zdCBh bmQgd2hhdGV2ZXIgZWxzZSBoZWxwZXJzLCBldmVuIGlmIHlvdSBkb24ndCBuZWVkIHRoZW0uIEFk ZGluZyAzCmZ1bmN0aW9ucyBmb3IgZGVmaW8gd2hlbiB5b3Ugc2VsZWN0IGZiZGV2IGhlbHBlcnMg YW5kIG1heWJlIGRvbid0IG5lZWQKdGhlbSBpcyB0b3RhbGx5IGhhcm1sZXNzLiBBbmQgcmVtb3Zp bmcgdGhlICNpZmRlZiB3aWxsIGxvb2sgc28gbXVjaCBiZXR0ZXIKOy0pCgo+IAo+ID4+ICAgKi8K PiA+Pgo+ID4+ICAvKioKPiA+PkBAIC00MDEsMTEgKzQxNiwxNCBAQCBiYWNrb2ZmOgo+ID4+ICBz dGF0aWMgaW50IHJlc3RvcmVfZmJkZXZfbW9kZShzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqZmJfaGVs cGVyKQo+ID4+ICB7Cj4gPj4gIAlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gZmJfaGVscGVyLT5k ZXY7Cj4gPj4rCXN0cnVjdCBmYl9pbmZvICppbmZvID0gZmJfaGVscGVyLT5mYmRldjsKPiA+PiAg CXN0cnVjdCBkcm1fcGxhbmUgKnBsYW5lOwo+ID4+ICAJaW50IGk7Cj4gPj4KPiA+PiAgCWRybV93 YXJuX29uX21vZGVzZXRfbm90X2FsbF9sb2NrZWQoZGV2KTsKPiA+Pgo+ID4+Kwlkcm1fZmJfaGVs cGVyX2RpcnR5KGluZm8sIDAsIDAsIGluZm8tPnZhci54cmVzLCBpbmZvLT52YXIueXJlcyk7Cj4g PldoeSBpcyB0aGlzIG5lZWRlZD8gSWYgeW91IGRvIGEgbW9kZXNldCAob3IgcGFnZWZsaXAgb3Ig d2hhdGV2ZXIpIGRyaXZlcnMKPiA+YXJlIHN1cHBvc2VkIHRvIHJlLXVwbG9hZCB0aGUgZW50aXJl IHNjcmVlbi4gV2UndmUgdGFsa2VkIGFib3V0IGFkZGluZyBhCj4gPmRpcnR5IHJlY3RhbmdsZSB0 byBhdG9taWMgdG8gYWxsb3cgdXNlcnNwYWNlIHRvIG9wdGltaXplIHRoaXMsIGJ1dCB0aGVyZQo+ ID5zaG91bGQgX25ldmVyXyBiZSBhIG5lZWQgdG8gZG8gYSBkaXJ0eWZiIGNhbGwgYXJvdW5kIGEg bW9kZXNldC4gUHJvYmFibHkKPiA+anVzdCBhIGRyaXZlciBidWcgaW4geW91ciBwYW5lbCBkcm0g ZHJpdmVycz8KPiAKPiBPaywgaW4gdGlueWRybSBJIG5vdyBzZXQgYSBmbGFnIGluICZkcm1fc2lt cGxlX2Rpc3BsYXlfcGlwZV9mdW5jcwo+IC0+cGxhbmVfdXBkYXRlIHRvIGluZGljYXRlIHRoYXQg dGhlIG5leHQgZGlydHkoKSBzaG91bGQgZG8gdGhlIHdob2xlCj4gZnJhbWVidWZmZXIgd2hpY2gg c2VlbXMgdG8gd29yayBmaW5lLgo+IFNob3VsZCBJIGFjdHVhbGx5IHBlcmZvcm0gdGhlIHVwZGF0 ZSBhcyB3ZWxsPwo+IElmIHNvIEkgd291bGQgbmVlZCB0byBhZGQgYSB3b3JrZXIgaW4gdGlueWRy bSB0byBkbyB0aGF0LgoKWWVzLCBwbGFuZSB1cGRhdGUgc2hvdWxkIGFsd2F5cyBkbyBhIGZ1bGwg dXBkYXRlLiBOb3Qgc3VyZSBob3cgeW91IGdldAphd2F5IHdpdGggZGVsYXlpbmcgdGhhdCB0byAt PmRpcnR5LCBtYXliZSBtb2Rlc2V0dGluZyBpc24ndApkb3VibGUtYnVmZmVyaW5nIHdoZW4geW91 IGRvbid0IGhhdmUgYSBHTCB0aGF0IGNvdWxkIGRvIGdsYW1vdXIuCgotPmRpcnR5IGlzIF9vbmx5 XyBmb3IgZnJvbnRidWZmZXIgcmVuZGVyaW5nLCBub3QgZm9yIHBhZ2UtZmxpcHBpbmcgdG8gYW4K ZW50aXJlbHkgbmV3IGJ1ZmZlci4gSW4gc2hvcnQgaWYgc29tZW9uZSBjYWxscyAtPmRpcnR5IG9u IGEgYnVmZmVyIHdoaWNoCmlzIGN1cnJlbnRseSBub3QgYmVpbmcgZGlzcGxheWVkIHRoYW4gYSkg dGhleSdyZSBzaWxseSBiKSBkcml2ZXJzIHNob3VsZAp0cmVhdCBpdCBhcyBhIG5vLW9wLiBNYXli ZSB3ZSBuZWVkIGEgaGVscGVyIHRvIGRvIHRoYXQgLi4uCi1EYW5pZWwKLS0gCkRhbmllbCBWZXR0 ZXIKU29mdHdhcmUgRW5naW5lZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xs LmNoCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1k ZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=