From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [RFC] drm/fb-helper: reject any changes to the fbdev Date: Wed, 12 Oct 2016 13:42:53 +0300 Message-ID: <20161012104253.GT4329@intel.com> References: <20161011231504.17688-1-stefan@agner.ch> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3040C6E385 for ; Wed, 12 Oct 2016 10:42:57 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20161011231504.17688-1-stefan@agner.ch> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Stefan Agner Cc: daniel.vetter@intel.com, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCBPY3QgMTEsIDIwMTYgYXQgMDQ6MTU6MDRQTSAtMDcwMCwgU3RlZmFuIEFnbmVyIHdy b3RlOgo+IFRoZSBjdXJyZW50IGZiZGV2IGVtdWxhdGlvbiBkb2VzIG5vdCBhbGxvdyB0byBwdXNo IGJhY2sgY2hhbmdlcyBpbgo+IHdpZHRoLCBoZWlnaHQgb3IgZGVwdGggdG8gS01TLCBoZW5jZSBy ZWplY3QgYW55IGNoYW5nZXMgd2l0aCBhbgo+IGVycm9yLiBUaGlzIG1ha2VzIHN1cmUgdGhhdCBm YmRldiBpb2N0bCdzIGZhaWwgcHJvcGVybHkgYW5kIHVzZXIKPiBzcGFjZSBkb2VzIG5vdCBhc3N1 bWUgdGhhdCBjaGFuZ2VzIHN1Y2NlZWRlZC4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBTdGVmYW4gQWdu ZXIgPHN0ZWZhbkBhZ25lci5jaD4KPiAtLS0KPiBUaGlzIHJlamVjdHMgcmVjb25maWd1cmF0aW9u IG9mIGZyYW1lYnVmZmVyIGxpa2UKPiBmYnNldCAtcmdiYSA1LDYsNSAtZGVwdGggMTYgKHdoZW4g aW4gMjQgYml0IG1vZGUgYnkgZGVmYXVsdCkKPiBmYnNldCAteHJlcyAxMjMKPiAKPiBJIHRoaW5r IGFsbCB1c2VycyBvZiBkcm1fZmJfaGVscGVyX2NoZWNrX3ZhciB1c2UgYWxzbyB0aGUgZ2VuZXJp Ywo+IGRybV9mYl9oZWxwZXJfc2V0X3BhciAob3IgZG8gb3RoZXJ3aXNlIG5vdCBzdXBwb3J0IGNo YW5naW5nIHNpemUvCj4gZGVwdGgpLiBIZW5jZSwgYWZhaWN0LCB0aGUgY2hhbmdlIHNob3VsZCBi ZSB0aGUgcmlnaHQgdGhpbmcgdG8gZG8KPiBmb3IgYWxsIGRyaXZlci4uLgo+IAo+ICBkcml2ZXJz L2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jIHwgMTMgKysrKysrKystLS0tLQo+ICAxIGZpbGUgY2hh bmdlZCwgOCBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vZHJtX2ZiX2hlbHBlci5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9mYl9o ZWxwZXIuYwo+IGluZGV4IDAzNDE0YmQuLjU5NmMwNTYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9n cHUvZHJtL2RybV9mYl9oZWxwZXIuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZmJfaGVs cGVyLmMKPiBAQCAtMTIxMSwxMSArMTIxMSwxNCBAQCBpbnQgZHJtX2ZiX2hlbHBlcl9jaGVja192 YXIoc3RydWN0IGZiX3Zhcl9zY3JlZW5pbmZvICp2YXIsCj4gIAlpZiAodmFyLT5waXhjbG9jayAh PSAwIHx8IGluX2RiZ19tYXN0ZXIoKSkKPiAgCQlyZXR1cm4gLUVJTlZBTDsKPiAgCj4gLQkvKiBO ZWVkIHRvIHJlc2l6ZSB0aGUgZmIgb2JqZWN0ICEhISAqLwo+IC0JaWYgKHZhci0+Yml0c19wZXJf cGl4ZWwgPiBmYi0+Yml0c19wZXJfcGl4ZWwgfHwKPiAtCSAgICB2YXItPnhyZXMgPiBmYi0+d2lk dGggfHwgdmFyLT55cmVzID4gZmItPmhlaWdodCB8fAo+IC0JICAgIHZhci0+eHJlc192aXJ0dWFs ID4gZmItPndpZHRoIHx8IHZhci0+eXJlc192aXJ0dWFsID4gZmItPmhlaWdodCkgewo+IC0JCURS TV9ERUJVRygiZmIgdXNlcnNwYWNlIHJlcXVlc3RlZCB3aWR0aC9oZWlnaHQvYnBwIGlzIGdyZWF0 ZXIgdGhhbiBjdXJyZW50IGZiICIKPiArCS8qCj4gKwkgKiBDaGFuZ2VzIHN0cnVjdCBmYl92YXJf c2NyZWVuaW5mbyBhcmUgY3VycmVudGx5IG5vdCBwdXNoZWQgYmFjawo+ICsJICogdG8gS01TLCBo ZW5jZSBmYWlsIGlmIGRpZmZlcmVudCBzZXR0aW5ncyBhcmUgcmVxdWVzdGVkLgo+ICsJICovCj4g KwlpZiAodmFyLT5iaXRzX3Blcl9waXhlbCAhPSBmYi0+Yml0c19wZXJfcGl4ZWwgfHwKPiArCSAg ICB2YXItPnhyZXMgIT0gZmItPndpZHRoIHx8IHZhci0+eXJlcyAhPSBmYi0+aGVpZ2h0IHx8Cj4g KwkgICAgdmFyLT54cmVzX3ZpcnR1YWwgIT0gZmItPndpZHRoIHx8IHZhci0+eXJlc192aXJ0dWFs ICE9IGZiLT5oZWlnaHQpIHsKClRoaXMgc3RpbGwgbG9va3Mgc29tZXdoYXQgaW5jb21wbGV0ZS4g U291bmRzIGxpa2Ugd2Ugc2hvdWxkIGp1c3QKcmVqZWN0IGNoYW5nZXMgdG8gZXZlcnl0aGluZyBl eGNlcHQgeG9mZnNldC95b2Zmc2V0LgoKPiArCQlEUk1fREVCVUcoImZiIHVzZXJzcGFjZSByZXF1 ZXN0ZWQgd2lkdGgvaGVpZ2h0L2JwcCBkaWZmZXJlbnQgdGhhbiBjdXJyZW50IGZiICIKPiAgCQkJ ICAicmVxdWVzdCAlZHglZC0lZCAodmlydHVhbCAlZHglZCkgPiAlZHglZC0lZFxuIiwKPiAgCQkJ ICB2YXItPnhyZXMsIHZhci0+eXJlcywgdmFyLT5iaXRzX3Blcl9waXhlbCwKPiAgCQkJICB2YXIt PnhyZXNfdmlydHVhbCwgdmFyLT55cmVzX3ZpcnR1YWwsCj4gLS0gCj4gMi4xMC4wCj4gCj4gX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBkcmktZGV2ZWwg bWFpbGluZyBsaXN0Cj4gZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCgotLSAKVmls bGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5m by9kcmktZGV2ZWwK