From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/fb_cma_helper: Implement fb_mmap callback Date: Tue, 7 Jun 2016 16:43:05 +0200 Message-ID: <20160607144305.GC3363@phenom.ffwll.local> References: <8fd95ac1440e0f01daad6d4380be3a4c8fa61055.1465301219.git.robin.murphy@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3CA1C6E7B5 for ; Tue, 7 Jun 2016 14:43:10 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id m124so23677211wme.3 for ; Tue, 07 Jun 2016 07:43:10 -0700 (PDT) Content-Disposition: inline In-Reply-To: <8fd95ac1440e0f01daad6d4380be3a4c8fa61055.1465301219.git.robin.murphy@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Robin Murphy Cc: daniel.vetter@ffwll.ch, liviu.dudau@arm.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBKdW4gMDcsIDIwMTYgYXQgMDE6MTg6MDlQTSArMDEwMCwgUm9iaW4gTXVycGh5IHdy b3RlOgo+IEluIHRoZSBhYnNlbmNlIG9mIGFuIGZiX21tYXAgY2FsbGJhY2ssIHRoZSBmYmRldiBj b2RlIGZhbGxzIGJhY2sgdG8gYQo+IG5haXZlIGltcGxlbWVudGF0aW9uIHdoaWNoIHJlbGllcyB1 cG9uIHRoZSBETUEgYWRkcmVzcyBiZWluZyB0aGUgc2FtZQo+IGFzIHRoZSBwaHlzaWNhbCBhZGRy ZXNzLCBhbmQgdGhlIGJ1ZmZlciBiZWluZyBwaHlzaWNhbGx5IGNvbnRpZ3VvdXMKPiBmcm9tIHRo ZXJlLiBXaGlsc3QgdGhpcyBvZnRlbiBob2xkcyBmb3Igc3RhbmRhcmQgQ01BIGFsbG9jYXRpb25z IHZpYQo+IHRoZSBwbGF0Zm9ybSdzIHJlZ3VsYXIgRE1BIG9wcywgaWYgdGhlIGFsbG9jYXRpb24g aXMgcHJvdmlkZWQgYnkgYW4KPiBJT01NVSB0aGVuIHN1Y2ggYXNzdW1wdGlvbnMgY2FuIGZhbGwg YXBhcnQgc3BlY3RhY3VsYXJseS4KPiAKPiBUbyByZXNvbHZlIHRoaXMsIHJlcm91dGUgdGhlIGZi X21tYXAgY2FsbCB0byB0aGUgYXBwcm9wcmlhdGUgRE1BIEFQSQo+IGltcGxlbWVudGF0aW9uLCBh cyBwZXIgdGhlIG90aGVyIGNtYV9oZWxwZXIgY2FsbHMuCj4gCj4gQWNrZWQtYnk6IERhbmllbCBW ZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gU2lnbmVkLW9mZi1ieTogUm9iaW4gTXVy cGh5IDxyb2Jpbi5tdXJwaHlAYXJtLmNvbT4KPiAtLS0KPiAKPiBSZXNlbmRpbmcgcmViYXNlZCB0 byA0LjctcmMxIHdpdGggRGFuaWVsJ3MgYWNrLiBJIGtub3cgUnVzc2VsbCByYWlzZWQKPiBzb21l IGNvbmNlcm5zIGFib3V0IHRoZSBnZW5lcmFsIHdheSBmYl9jbWFfaGVscGVyIHVzZXMgZmJfaW5m b1sxXSwgYnV0Cj4gQUZBSUNTIHRoYXQncyBhIGxvbmdzdGFuZGluZyBzZXBhcmF0ZSBwcm9ibGVt IG9ydGhvZ29uYWwgdG8gdGhpcyBwYXRjaC4KCkRvIHlvdSB3YW50IG1lIHRvIHB1bGwgdGhpcyBp biB0aHJvdWdoIGRybS1taXNjLCBvciB3aWxsIHRoaXMgbGFuZCB0aHJvdWdoCnNvbWUgZHJpdmVy IHRyZWU/IE5vdGUgdGhhdCBJJ2xsIGRvIC1taXNjIHB1bGxzIGFib3V0IGV2ZXJ5IHdlZWssIHNv IGlmCnlvdSBkb24ndCBzZW5kIHlvdXIgcHVsbCB0aGlzIHdlZWsgSSdkIGxpa2UgdG8gcHVsbCBp dCBpbiB0byBhdm9pZApoaWxhcml0eV5XIG5lZWRsZXNzIGNvbmZsaWN0cy4KLURhbmllbAoKPiAK PiBSb2Jpbi4KPiAKPiBbMV06aHR0cDovL3RocmVhZC5nbWFuZS5vcmcvZ21hbmUuY29tcC52aWRl by5kcmkuZGV2ZWwvMTQ5Mjg4Cj4gCj4gIGRyaXZlcnMvZ3B1L2RybS9kcm1fZmJfY21hX2hlbHBl ci5jIHwgOCArKysrKysrKwo+ICAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspCj4gCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZmJfY21hX2hlbHBlci5jIGIvZHJpdmVy cy9ncHUvZHJtL2RybV9mYl9jbWFfaGVscGVyLmMKPiBpbmRleCAxNzJjYWZlMTFjNzEuLmEyNWFm YzA2OGQzZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2NtYV9oZWxwZXIu Ywo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZmJfY21hX2hlbHBlci5jCj4gQEAgLTIzLDYg KzIzLDcgQEAKPiAgI2luY2x1ZGUgPGRybS9kcm1fY3J0Y19oZWxwZXIuaD4KPiAgI2luY2x1ZGUg PGRybS9kcm1fZ2VtX2NtYV9oZWxwZXIuaD4KPiAgI2luY2x1ZGUgPGRybS9kcm1fZmJfY21hX2hl bHBlci5oPgo+ICsjaW5jbHVkZSA8bGludXgvZG1hLW1hcHBpbmcuaD4KPiAgI2luY2x1ZGUgPGxp bnV4L21vZHVsZS5oPgo+ICAKPiAgI2RlZmluZSBERUZBVUxUX0ZCREVGSU9fREVMQVlfTVMgNTAK PiBAQCAtMjk3LDYgKzI5OCwxMiBAQCBpbnQgZHJtX2ZiX2NtYV9kZWJ1Z2ZzX3Nob3coc3RydWN0 IHNlcV9maWxlICptLCB2b2lkICphcmcpCj4gIEVYUE9SVF9TWU1CT0xfR1BMKGRybV9mYl9jbWFf ZGVidWdmc19zaG93KTsKPiAgI2VuZGlmCj4gIAo+ICtzdGF0aWMgaW50IGRybV9mYl9jbWFfbW1h cChzdHJ1Y3QgZmJfaW5mbyAqaW5mbywgc3RydWN0IHZtX2FyZWFfc3RydWN0ICp2bWEpCj4gK3sK PiArCXJldHVybiBkbWFfbW1hcF93cml0ZWNvbWJpbmUoaW5mby0+ZGV2aWNlLCB2bWEsIGluZm8t PnNjcmVlbl9iYXNlLAo+ICsJCQkJICAgICBpbmZvLT5maXguc21lbV9zdGFydCwgaW5mby0+Zml4 LnNtZW1fbGVuKTsKPiArfQo+ICsKPiAgc3RhdGljIHN0cnVjdCBmYl9vcHMgZHJtX2ZiZGV2X2Nt YV9vcHMgPSB7Cj4gIAkub3duZXIJCT0gVEhJU19NT0RVTEUsCj4gIAkuZmJfZmlsbHJlY3QJPSBk cm1fZmJfaGVscGVyX3N5c19maWxscmVjdCwKPiBAQCAtMzA3LDYgKzMxNCw3IEBAIHN0YXRpYyBz dHJ1Y3QgZmJfb3BzIGRybV9mYmRldl9jbWFfb3BzID0gewo+ICAJLmZiX2JsYW5rCT0gZHJtX2Zi X2hlbHBlcl9ibGFuaywKPiAgCS5mYl9wYW5fZGlzcGxheQk9IGRybV9mYl9oZWxwZXJfcGFuX2Rp c3BsYXksCj4gIAkuZmJfc2V0Y21hcAk9IGRybV9mYl9oZWxwZXJfc2V0Y21hcCwKPiArCS5mYl9t bWFwCT0gZHJtX2ZiX2NtYV9tbWFwLAo+ICB9Owo+ICAKPiAgc3RhdGljIGludCBkcm1fZmJkZXZf Y21hX2RlZmVycmVkX2lvX21tYXAoc3RydWN0IGZiX2luZm8gKmluZm8sCj4gLS0gCj4gMi44LjEu ZGlydHkKPiAKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jw b3JhdGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9kcmktZGV2ZWwK