From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 1/4] drm/vkms: Add functions to map GEM backing storage Date: Tue, 10 Jul 2018 10:00:22 +0200 Message-ID: <20180710080022.GH3008@phenom.ffwll.local> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-ed1-x543.google.com (mail-ed1-x543.google.com [IPv6:2a00:1450:4864:20::543]) by gabe.freedesktop.org (Postfix) with ESMTPS id D31A16E841 for ; Tue, 10 Jul 2018 08:00:26 +0000 (UTC) Received: by mail-ed1-x543.google.com with SMTP id t3-v6so15873836eds.3 for ; Tue, 10 Jul 2018 01:00:26 -0700 (PDT) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Haneen Mohammed Cc: rodrigosiqueiramelo@gmail.com, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBKdWwgMDksIDIwMTggYXQgMDY6NDQ6MjZQTSArMDMwMCwgSGFuZWVuIE1vaGFtbWVk IHdyb3RlOgo+IFRoaXMgcGF0Y2ggYWRkIHRoZSBuZWNlc3NhcnkgZnVuY3Rpb25zIHRvIG1hcCBH RU0KPiBiYWNraW5nIG1lbW9yeSBpbnRvIHRoZSBrZXJuZWwncyB2aXJ0dWFsIGFkZHJlc3Mgc3Bh Y2UuCj4gCj4gU2lnbmVkLW9mZi1ieTogSGFuZWVuIE1vaGFtbWVkIDxoYW1vaGFtbWVkLnNhQGdt YWlsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL3ZrbXMvdmttc19kcnYuYyB8ICAyICsr Cj4gIGRyaXZlcnMvZ3B1L2RybS92a21zL3ZrbXNfZHJ2LmggfCAgNSArKysrCj4gIGRyaXZlcnMv Z3B1L2RybS92a21zL3ZrbXNfZ2VtLmMgfCA1MCArKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysKPiAgMyBmaWxlcyBjaGFuZ2VkLCA1NyBpbnNlcnRpb25zKCspCj4gCj4gZGlmZiAtLWdp dCBhL2RyaXZlcnMvZ3B1L2RybS92a21zL3ZrbXNfZHJ2LmMgYi9kcml2ZXJzL2dwdS9kcm0vdmtt cy92a21zX2Rydi5jCj4gaW5kZXggZmU5M2Y4YzE3OTk3Li5lNDhjOGVlYjQ5NWEgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL3ZrbXMvdmttc19kcnYuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS92a21zL3ZrbXNfZHJ2LmMKPiBAQCAtNTIsOSArNTIsMTEgQEAgc3RhdGljIHN0cnVjdCBk cm1fZHJpdmVyIHZrbXNfZHJpdmVyID0gewo+ICAJLmRyaXZlcl9mZWF0dXJlcwk9IERSSVZFUl9N T0RFU0VUIHwgRFJJVkVSX0FUT01JQyB8IERSSVZFUl9HRU0sCj4gIAkucmVsZWFzZQkJPSB2a21z X3JlbGVhc2UsCj4gIAkuZm9wcwkJCT0gJnZrbXNfZHJpdmVyX2ZvcHMsCj4gKwo+ICAJLmR1bWJf Y3JlYXRlCQk9IHZrbXNfZHVtYl9jcmVhdGUsCj4gIAkuZHVtYl9tYXBfb2Zmc2V0CT0gdmttc19k dW1iX21hcCwKPiAgCS5nZW1fdm1fb3BzCQk9ICZ2a21zX2dlbV92bV9vcHMsCj4gKwkuZ2VtX2Zy ZWVfb2JqZWN0X3VubG9ja2VkID0gdmttc19nZW1fZnJlZV9vYmplY3QsCgpUaGlzIGlzIGEgc2Vw YXJhdGUgYnVnZml4LCBmaXhpbmcgYSBmYWlybHkgaHVnZSBtZW1vcnkgbGVhay4gSSB0aGluayBp dCdkCmJlIGdvb2QgdG8gY2F0Y2ggdGhpcyBpbiB0aGUgZnV0dXJlLCBieSBhZGRpbmcgYSAKCgll bHNlCgkJV0FSTigxLCAibm8gZ2VtIGZyZWUgY2FsbGJhY2ssIGxlYWtpbmcgbWVtb3J5XG4iKTsK CnRvIHRoZSBlbmQgb2YgZHJtX2dlbV9vYmplY3RfZnJlZS4gQ2FuIHlvdSBwbHMgZG8gdGhhdD8K CkFsc28gc2luY2UgdGhpcyBsaW5lIGhlcmUgaXMgYSBidWdmaXggc2VwYXJhdGUgZnJvbSB0aGUg dm1hcCBzdXBwb3J0LCBjYW4KeW91IHBscyBzcGxpdCBpdCBvdXQ/Cj4gIAo+ICAJLm5hbWUJCQk9 IERSSVZFUl9OQU1FLAo+ICAJLmRlc2MJCQk9IERSSVZFUl9ERVNDLAo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vdmttcy92a21zX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL3ZrbXMvdmtt c19kcnYuaAo+IGluZGV4IDc2ZjE3MjBmODFhNS4uZDMzOWE4MTA4ZDg1IDEwMDY0NAo+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS92a21zL3ZrbXNfZHJ2LmgKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v dmttcy92a21zX2Rydi5oCj4gQEAgLTM1LDYgKzM1LDcgQEAgc3RydWN0IHZrbXNfZ2VtX29iamVj dCB7Cj4gIAlzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgZ2VtOwo+ICAJc3RydWN0IG11dGV4IHBhZ2Vz X2xvY2s7IC8qIFBhZ2UgbG9jayB1c2VkIGluIHBhZ2UgZmF1bHQgaGFuZGxlciAqLwo+ICAJc3Ry dWN0IHBhZ2UgKipwYWdlczsKPiArCXZvaWQgKnZhZGRyOwo+ICB9Owo+ICAKPiAgaW50IHZrbXNf Y3J0Y19pbml0KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHN0cnVjdCBkcm1fY3J0YyAqY3J0YywK PiBAQCAtNTgsNCArNTksOCBAQCBpbnQgdmttc19kdW1iX2NyZWF0ZShzdHJ1Y3QgZHJtX2ZpbGUg KmZpbGUsIHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsCj4gIGludCB2a21zX2R1bWJfbWFwKHN0cnVj dCBkcm1fZmlsZSAqZmlsZSwgc3RydWN0IGRybV9kZXZpY2UgKmRldiwKPiAgCQkgIHUzMiBoYW5k bGUsIHU2NCAqb2Zmc2V0KTsKPiAgCj4gK3ZvaWQgdmttc19nZW1fZnJlZV9vYmplY3Qoc3RydWN0 IGRybV9nZW1fb2JqZWN0ICpvYmopOwo+ICsKPiArdm9pZCAqdmttc19nZW1fdm1hcChzdHJ1Y3Qg ZHJtX2dlbV9vYmplY3QgKm9iaik7Cj4gKwo+ICAjZW5kaWYgLyogX1ZLTVNfRFJWX0hfICovCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS92a21zL3ZrbXNfZ2VtLmMgYi9kcml2ZXJzL2dw dS9kcm0vdmttcy92a21zX2dlbS5jCj4gaW5kZXggOWY4MjBmNTZiOWUwLi4yNDk4NTVkZGVkNjMg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL3ZrbXMvdmttc19nZW0uYwo+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS92a21zL3ZrbXNfZ2VtLmMKPiBAQCAtMTY2LDMgKzE2Niw1MyBAQCBpbnQg dmttc19kdW1iX21hcChzdHJ1Y3QgZHJtX2ZpbGUgKmZpbGUsIHN0cnVjdCBkcm1fZGV2aWNlICpk ZXYsCj4gIAo+ICAJcmV0dXJuIHJldDsKPiAgfQo+ICsKPiArdm9pZCB2a21zX2dlbV9mcmVlX29i amVjdChzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaikKPiArewo+ICsJc3RydWN0IHZrbXNfZ2Vt X29iamVjdCAqdmttc19vYmogPSBjb250YWluZXJfb2Yob2JqLAo+ICsJCQkJCQkJc3RydWN0IHZr bXNfZ2VtX29iamVjdCwKPiArCQkJCQkJCWdlbSk7Cj4gKwlrdmZyZWUodmttc19vYmotPnBhZ2Vz KTsKCldlIG5lZWQgdG8gcHV0IHRoZSBwYWdlcyBoZXJlIHRvbyBpZiAtPnBhZ2VzIGV4aXN0cywg dGhlcmUncyBhIHB1dF9wYWdlcwpoZWxwZXIgZm9yIHRoYXQuCgpBbHNvIHByb2JhYmx5IGEgZ29v ZCBpZGVhIHRvIHZ1bm1hcCBoZXJlIHRvby4KCkJ1dCBJIHRoaW5rIGJvdGggY2FzZXMgKGkuZS4g dm1hcCBub3QgeWV0IHJlbGVhc2VkIGFuZCBwYWdlcyBzdGlsbCBhcm91bmQpCndvdWxkIGluZGlj YXRlIGEgYnVnIGluIHRoZSB2a21zIGRyaXZlciBvZiByZWxlYXNpbmcgdGhlIG9iamVjdCB3aGls ZSBpdCdzCnN0aWxsIGluIHVzZSBzb21ld2hlcmUuIFNvIG1heWJlIGFsc28gYWRkIGEKCglXQVJO X09OKG9iai0+cGFnZXMpOwoJV0FSTl9PTihvYmotPnZtYXApOwoKaGVyZSB0byBtYWtlIHN1cmUg dGhpcyBkb2Vzbid0IGhhcHBlbj8KLURhbmllbAoKPiArCW11dGV4X2Rlc3Ryb3koJnZrbXNfb2Jq LT5wYWdlc19sb2NrKTsKPiArCWRybV9nZW1fb2JqZWN0X3JlbGVhc2Uob2JqKTsKPiArCWtmcmVl KHZrbXNfb2JqKTsKPiArfQo+ICsKPiArc3RydWN0IHBhZ2UgKipnZXRfcGFnZXMoc3RydWN0IHZr bXNfZ2VtX29iamVjdCAqdmttc19vYmopCj4gK3sKPiArCXN0cnVjdCBkcm1fZ2VtX29iamVjdCAq Z2VtX29iaiA9ICZ2a21zX29iai0+Z2VtOwo+ICsJc3RydWN0IHBhZ2UgKipwYWdlcyA9IHZrbXNf b2JqLT5wYWdlczsKPiArCj4gKwlpZiAoIXBhZ2VzKSB7Cj4gKwkJbXV0ZXhfbG9jaygmdmttc19v YmotPnBhZ2VzX2xvY2spOwo+ICsJCXBhZ2VzID0gZHJtX2dlbV9nZXRfcGFnZXMoZ2VtX29iaik7 Cj4gKwkJaWYgKElTX0VSUihwYWdlcykpIHsKPiArCQkJbXV0ZXhfdW5sb2NrKCZ2a21zX29iai0+ cGFnZXNfbG9jayk7Cj4gKwkJCXJldHVybiBwYWdlczsKPiArCQl9Cj4gKwo+ICsJCXZrbXNfb2Jq LT5wYWdlcyA9IHBhZ2VzOwo+ICsJCW11dGV4X3VubG9jaygmdmttc19vYmotPnBhZ2VzX2xvY2sp Owo+ICsJfQo+ICsKPiArCXJldHVybiBwYWdlczsKPiArfQo+ICsKPiArdm9pZCAqdmttc19nZW1f dm1hcChzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaikKPiArewo+ICsJdm9pZCAqdmFkZHIgPSBO VUxMOwo+ICsJc3RydWN0IHZrbXNfZ2VtX29iamVjdCAqdmttc19vYmogPSBjb250YWluZXJfb2Yo b2JqLAo+ICsJCQkJCQkJc3RydWN0IHZrbXNfZ2VtX29iamVjdCwKPiArCQkJCQkJCWdlbSk7Cj4g Kwl1bnNpZ25lZCBpbnQgbl9wYWdlcyA9IG9iai0+c2l6ZSA+PiBQQUdFX1NISUZUOwo+ICsJc3Ry dWN0IHBhZ2UgKipwYWdlcyA9IGdldF9wYWdlcyh2a21zX29iaik7Cj4gKwo+ICsJaWYgKElTX0VS UihwYWdlcykpIHsKPiArCQlEUk1fSU5GTygicGFnZXMgYWxsb2NhdGlvbiBmYWlsZWQgJWxkXG4i LCBQVFJfRVJSKHBhZ2VzKSk7Cj4gKwkJcmV0dXJuIHZhZGRyOwo+ICsJfQo+ICsKPiArCXZhZGRy ID0gdm1hcChwYWdlcywgbl9wYWdlcywgVk1fTUFQLCBQQUdFX0tFUk5FTCk7Cj4gKwo+ICsJcmV0 dXJuIHZhZGRyOwo+ICt9Cj4gLS0gCj4gMi4xNy4xCj4gCgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0 d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1h aWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==