From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hyungwon Hwang Subject: Re: [PATCH 2/2] drm/exynos: ipp: validate a GEM handle with multiple planes Date: Fri, 12 Jun 2015 22:02:24 +0900 Message-ID: <20150612220224.75594a95@hwh-ubuntu> References: <1434113958-15877-1-git-send-email-human.hwang@samsung.com> <1434113958-15877-18-git-send-email-human.hwang@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-reply-to: <1434113958-15877-18-git-send-email-human.hwang@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Hyungwon Hwang Cc: devicetree@vger.kernel.org, sw0312.kim@samsung.com, dri-devel@lists.freedesktop.org List-Id: devicetree@vger.kernel.org UGxlYXNlIGlnbm9yZSB0aGlzIG1haWwuIEkgZGlkbid0IGtub3cgdGhhdCAiZ2l0IHNlbmQgKiIg aW5jbHVkZXMgYWxsCmZpbGVzIGluIHRoZSBzdWJkaXJlY3Rvcmllcy4gSSBhbSB2ZXJ5IHNvcnJ5 IGZvciBkaXN0dXJiaW5nIHlvdS4KCkJlc3QgcmVnYXJkcywKSHl1bmd3b24gSHdhbmcKCk9uIEZy aSwgMTIgSnVuIDIwMTUgMjE6NTk6MTIgKzA5MDAKSHl1bmd3b24gSHdhbmcgPGh1bWFuLmh3YW5n QHNhbXN1bmcuY29tPiB3cm90ZToKCj4gRklNQyAmIEdTQyBkcml2ZXIgY2FuIGNhbGN1bGF0ZSB0 aGUgb2Zmc2V0IG9mIHBsYW5lcy4gU28gdGhlcmUgYXJlCj4gdXNlIGNhc2VzIHdoaWNoIElQUCBy ZWNlaXZlcyBqdXN0IG9uZSBHRU0gaGFuZGxlIG9mIGFuIGltYWdlIHdpdGgKPiBtdWx0aXBsZSBw bGFuZS4gVGhpcyBwYXRjaCBleHRlbmRzIGlwcF92YWxpZGF0ZV9tZW1fbm9kZSgpIHRvIHZhbGlk YXRlCj4gdGhpcyBjYXNlLgo+IAo+IFNpZ25lZC1vZmYtYnk6IEh5dW5nd29uIEh3YW5nIDxodW1h bi5od2FuZ0BzYW1zdW5nLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlu b3NfZHJtX2lwcC5jIHwgNTEKPiArKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0gMSBm aWxlIGNoYW5nZWQsIDM4IGluc2VydGlvbnMoKyksCj4gMTMgZGVsZXRpb25zKC0pCj4gCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX2RybV9pcHAuYwo+IGIvZHJp dmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJtX2lwcC5jIGluZGV4IDU0YzVjZjQuLmIzZGM3 NzgKPiAxMDA2NDQgLS0tIGEvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJtX2lwcC5j Cj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2V4eW5vcy9leHlub3NfZHJtX2lwcC5jCj4gQEAgLTQ4 Miw4ICs0ODIsOCBAQCBzdGF0aWMgaW50IGlwcF92YWxpZGF0ZV9tZW1fbm9kZShzdHJ1Y3QKPiBk cm1fZGV2aWNlICpkcm1fZGV2LCB7Cj4gIAlzdHJ1Y3QgZHJtX2V4eW5vc19pcHBfY29uZmlnICpp cHBfY2ZnOwo+ICAJdW5zaWduZWQgaW50IG51bV9wbGFuZTsKPiAtCXVuc2lnbmVkIGxvbmcgbWlu X3NpemUsIHNpemU7Cj4gLQl1bnNpZ25lZCBpbnQgYnBwOwo+ICsJdW5zaWduZWQgbG9uZyBzaXpl LCBidWZfc2l6ZSA9IDAsIHBsYW5lX3NpemUsIGltZ19zaXplID0gMDsKPiArCXVuc2lnbmVkIGlu dCBicHAsIHdpZHRoLCBoZWlnaHQ7Cj4gIAlpbnQgaTsKPiAgCj4gIAlpcHBfY2ZnID0gJmNfbm9k ZS0+cHJvcGVydHkuY29uZmlnW21fbm9kZS0+b3BzX2lkXTsKPiBAQCAtNDk3LDIwICs0OTcsNDUg QEAgc3RhdGljIGludCBpcHBfdmFsaWRhdGVfbWVtX25vZGUoc3RydWN0Cj4gZHJtX2RldmljZSAq ZHJtX2RldiwKPiAgCSAqIGJ1dCBpdCBzZWVtcyBtb3JlIHRoYW4gZW5vdWdoCj4gIAkgKi8KPiAg CWZvciAoaSA9IDA7IGkgPCBudW1fcGxhbmU7ICsraSkgewo+IC0JCWlmICghbV9ub2RlLT5idWZf aW5mby5oYW5kbGVzW2ldKSB7Cj4gLQkJCURSTV9FUlJPUigiaW52YWxpZCBoYW5kbGUgZm9yIHBs YW5lICVkXG4iLAo+IGkpOwo+IC0JCQlyZXR1cm4gLUVJTlZBTDsKPiAtCQl9Cj4gKwkJd2lkdGgg PSBpcHBfY2ZnLT5zei5oc2l6ZTsKPiArCQloZWlnaHQgPSBpcHBfY2ZnLT5zei52c2l6ZTsKPiAg CQlicHAgPSBkcm1fZm9ybWF0X3BsYW5lX2NwcChpcHBfY2ZnLT5mbXQsIGkpOwo+IC0JCW1pbl9z aXplID0gKGlwcF9jZmctPnN6LmhzaXplICogaXBwX2NmZy0+c3oudnNpemUgKgo+IGJwcCkgPj4g MzsKPiAtCQlzaXplID0gZXh5bm9zX2RybV9nZW1fZ2V0X3NpemUoZHJtX2RldiwKPiAtCj4gbV9u b2RlLT5idWZfaW5mby5oYW5kbGVzW2ldLAo+IC0JCQkJCSAgICAgICBjX25vZGUtPmZpbHApOwo+ IC0JCWlmIChtaW5fc2l6ZSA+IHNpemUpIHsKPiAtCQkJRFJNX0VSUk9SKCJpbnZhbGlkIHNpemUg Zm9yIHBsYW5lICVkXG4iLCBpKTsKPiAtCQkJcmV0dXJuIC1FSU5WQUw7Cj4gKwo+ICsJCS8qCj4g KwkJICogVGhlIHJlc3VsdCBvZiBkcm1fZm9ybWF0X3BsYW5lX2NwcCgpIGZvciBjaHJvbWEKPiBw bGFuZXMgbXVzdAo+ICsJCSAqIGJlIHVzZWQgd2l0aCBkcm1fZm9ybWF0X3h4eHhfY2hyb21hX3N1 YnNhbXBsaW5nKCkKPiBmb3IKPiArCQkgKiBjb3JyZWN0IHJlc3VsdC4KPiArCQkgKi8KPiArCQlp ZiAoaSA+IDApIHsKPiArCQkJd2lkdGggLz0gZHJtX2Zvcm1hdF9ob3J6X2Nocm9tYV9zdWJzYW1w bGluZygKPiArCj4gaXBwX2NmZy0+Zm10KTsKPiArCQkJaGVpZ2h0IC89IGRybV9mb3JtYXRfdmVy dF9jaHJvbWFfc3Vic2FtcGxpbmcoCj4gKwo+IGlwcF9jZmctPmZtdCk7IH0KPiArCQlwbGFuZV9z aXplID0gd2lkdGggKiBoZWlnaHQgKiBicHA7Cj4gKwkJaW1nX3NpemUgKz0gcGxhbmVfc2l6ZTsK PiArCj4gKwkJaWYgKG1fbm9kZS0+YnVmX2luZm8uaGFuZGxlc1tpXSkgewo+ICsJCQlzaXplID0g ZXh5bm9zX2RybV9nZW1fZ2V0X3NpemUoZHJtX2RldiwKPiArCQkJCQltX25vZGUtPmJ1Zl9pbmZv LmhhbmRsZXNbaV0sCj4gKwkJCQkJY19ub2RlLT5maWxwKTsKPiArCQkJaWYgKHBsYW5lX3NpemUg PiBzaXplKSB7Cj4gKwkJCQlEUk1fRVJST1IoCj4gKwkJCQkJImJ1ZmZlciAlZCBpcyBzbWFsbGVy IHRoYW4KPiByZXF1aXJlZFxuIiwKPiArCQkJCQlpKTsKPiArCQkJCXJldHVybiAtRUlOVkFMOwo+ ICsJCQl9Cj4gKwo+ICsJCQlidWZfc2l6ZSArPSBzaXplOwo+ICsJCX0KPiArCX0KPiArCj4gKwlp ZiAoYnVmX3NpemUgPCBpbWdfc2l6ZSkgewo+ICsJCURSTV9FUlJPUigic2l6ZSBvZiBidWZmZXJz KCVsdSkgaXMgc21hbGxlciB0aGFuCj4gaW1hZ2UoJWx1KVxuIiwKPiArCQkJYnVmX3NpemUsIGlt Z19zaXplKTsKPiArCQlyZXR1cm4gLUVJTlZBTDsKPiAgCX0KPiArCj4gIAlyZXR1cm4gMDsKPiAg fQo+ICAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRy aS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==