From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramalingam C Subject: Re: [PATCH v2 3/4] drm/i915: Check hdcp key loadability Date: Mon, 2 Apr 2018 14:35:42 +0530 Message-ID: <9e6e080f-48c1-bffe-4e52-021d49258d70@intel.com> References: <1522332548-15370-1-git-send-email-ramalingam.c@intel.com> <1522332548-15370-4-git-send-email-ramalingam.c@intel.com> <20180329142438.GU5453@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180329142438.GU5453@intel.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, rodrigo.vivi@intel.com List-Id: dri-devel@lists.freedesktop.org CgpPbiBUaHVyc2RheSAyOSBNYXJjaCAyMDE4IDA3OjU0IFBNLCBWaWxsZSBTeXJqw6Rsw6Qgd3Jv dGU6Cj4gT24gVGh1LCBNYXIgMjksIDIwMTggYXQgMDc6Mzk6MDdQTSArMDUzMCwgUmFtYWxpbmdh bSBDIHdyb3RlOgo+PiBIRENQMS40IGtleSBjYW4gYmUgbG9hZGVkLCBvbmx5IHdoZW4gUG93ZXIg d2VsbCAjMSBpcyBlbmFibGVkIGFuZCBjZGNsawo+PiBpcyBlbmFibGVkLiBVc2luZyB0aGUgSTkx NSBwb3dlciB3ZWxsIGluZnJhc3RydXR1cmUsIGFib3ZlIHJlcXVpcmVtZW50Cj4+IGlzIHZlcmlm aWVkLgo+Pgo+PiBUaGlzIHBhdGNoIGVuYWJsZXMgdGhlIGhkY3AgaW5pdGlhbGl6YXRpb24gZm9y IEhTVywgQkRXLCBhbmQgQlhULgo+Pgo+PiB2MjoKPj4gICAgQ2hvb3NlIHRoZSBQVyMgYmFzZWQg b24gdGhlIHBsYXRmb3JtLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBSYW1hbGluZ2FtIEMgPHJhbWFs aW5nYW0uY0BpbnRlbC5jb20+Cj4+IFJldmlld2VkLWJ5OiBTZWFuIFBhdWwgPHNlYW5wYXVsQGNo cm9taXVtLm9yZz4KPj4gLS0tCj4+ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfaGRjcC5j IHwgNDEgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tCj4+ICAgMSBmaWxl IGNoYW5nZWQsIDM5IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9oZGNwLmMKPj4gaW5kZXggZjc3ZDk1NmIyYjE4Li5kOGFmMDliNDZhNDQgMTAw NjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkY3AuYwo+PiArKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMKPj4gQEAgLTM3LDYgKzM3LDQzIEBAIHN0 YXRpYyBpbnQgaW50ZWxfaGRjcF9wb2xsX2tzdl9maWZvKHN0cnVjdCBpbnRlbF9kaWdpdGFsX3Bv cnQgKmludGVsX2RpZ19wb3J0LAo+PiAgIAlyZXR1cm4gMDsKPj4gICB9Cj4+ICAgCj4+ICtzdGF0 aWMgYm9vbCBoZGNwX2tleV9sb2FkYWJsZShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYpCj4+ICt7Cj4+ICsJc3RydWN0IGk5MTVfcG93ZXJfZG9tYWlucyAqcG93ZXJfZG9tYWlucyA9 ICZkZXZfcHJpdi0+cG93ZXJfZG9tYWluczsKPj4gKwlzdHJ1Y3QgaTkxNV9wb3dlcl93ZWxsICpw b3dlcl93ZWxsOwo+PiArCWVudW0gaTkxNV9wb3dlcl93ZWxsX2lkIGlkOwo+PiArCWJvb2wgZW5h YmxlZCA9IGZhbHNlOwo+PiArCj4+ICsJLyoKPj4gKwkgKiBPbiBIU1cgYW5kIEJEVywgRGlzcGxh eSBIVyBsb2FkcyB0aGUgS2V5IGFzIHNvb24gYXMgRGlzcGxheSByZXN1bWVzLgo+PiArCSAqIE9u IGFsbCBCWFQrLCBTVyBjYW4gbG9hZCB0aGUga2V5cyBvbmx5IHdoZW4gdGhlIFBXIzEgaXMgdHVy bmVkIG9uLgo+PiArCSAqLwo+PiArCWlmIChJU19IQVNXRUxMKGRldl9wcml2KSB8fCBJU19CUk9B RFdFTEwoZGV2X3ByaXYpKQo+PiArCQlpZCA9IEhTV19ESVNQX1BXX0dMT0JBTDsKPj4gKwllbHNl Cj4+ICsJCWlkID0gU0tMX0RJU1BfUFdfMTsKPj4gKwo+PiArCW11dGV4X2xvY2soJnBvd2VyX2Rv bWFpbnMtPmxvY2spOwo+PiArCj4+ICsJLyogUEcxIChwb3dlciB3ZWxsICMxKSBuZWVkcyB0byBi ZSBlbmFibGVkICovCj4+ICsJZm9yX2VhY2hfcG93ZXJfd2VsbChkZXZfcHJpdiwgcG93ZXJfd2Vs bCkgewo+PiArCQlpZiAocG93ZXJfd2VsbC0+aWQgPT0gaWQpIHsKPj4gKwkJCWVuYWJsZWQgPSBw b3dlcl93ZWxsLT5vcHMtPmlzX2VuYWJsZWQoZGV2X3ByaXYsCj4+ICsJCQkJCQkJICAgICAgcG93 ZXJfd2VsbCk7Cj4+ICsJCQlicmVhazsKPj4gKwkJfQo+PiArCX0KPj4gKwltdXRleF91bmxvY2so JnBvd2VyX2RvbWFpbnMtPmxvY2spOwo+PiArCj4+ICsJLyoKPj4gKwkgKiBBbm90aGVyIHJlcSBm b3IgaGRjcCBrZXkgbG9hZGFiaWxpdHkgaXMgZW5hYmxlZCBzdGF0ZSBvZiBwbGwgZm9yCj4+ICsJ ICogY2RjbGsuIFdpdGhvdXQgYWN0aXZlIGNydGMgd2Ugd29udCBsYW5kIGhlcmUuIFNvIHdlIGFy ZSBhc3N1bWluZyB0aGF0Cj4+ICsJICogY2RjbGsgaXMgYWxyZWFkeSBvbi4KPj4gKwkgKi8KPj4g Kwo+PiArCXJldHVybiBlbmFibGVkOwo+PiArfQo+PiArCj4+ICAgc3RhdGljIHZvaWQgaW50ZWxf aGRjcF9jbGVhcl9rZXlzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPj4gICB7 Cj4+ICAgCUk5MTVfV1JJVEUoSERDUF9LRVlfQ09ORiwgSERDUF9DTEVBUl9LRVlTX1RSSUdHRVIp Owo+PiBAQCAtNjE1LDggKzY1Miw4IEBAIHN0YXRpYyBpbnQgX2ludGVsX2hkY3BfZW5hYmxlKHN0 cnVjdCBpbnRlbF9jb25uZWN0b3IgKmNvbm5lY3RvcikKPj4gICAJRFJNX0RFQlVHX0tNUygiWyVz OiVkXSBIRENQIGlzIGJlaW5nIGVuYWJsZWQuLi5cbiIsCj4+ICAgCQkgICAgICBjb25uZWN0b3It PmJhc2UubmFtZSwgY29ubmVjdG9yLT5iYXNlLmJhc2UuaWQpOwo+PiAgIAo+PiAtCWlmICghKEk5 MTVfUkVBRChTS0xfRlVTRV9TVEFUVVMpICYgU0tMX0ZVU0VfUEdfRElTVF9TVEFUVVMoMSkpKSB7 Cj4+IC0JCURSTV9FUlJPUigiUEcxIGlzIGRpc2FibGVkLCBjYW5ub3QgbG9hZCBrZXlzXG4iKTsK Pj4gKwlpZiAoIWhkY3Bfa2V5X2xvYWRhYmxlKGRldl9wcml2KSkgewo+PiArCQlEUk1fRVJST1Io IkhEQ1Aga2V5IExvYWQgaXMgbm90IHBvc3NpYmxlXG4iKTsKPj4gICAJCXJldHVybiAtRU5YSU87 Cj4+ICAgCX0KPiBJZiB5b3UgbmVlZCB0aGUgcG93ZXIgd2VsbCB0aGVuIHdoeSBhcmVuJ3QgeW91 IGdyYWJiaW5nIHRoZSBjb3JyZWN0Cj4gcG93ZXIgZG9tYWluIHJlZmVyZW5jZSBzb21ld2hlcmU/ CgpWaWxsZSwKCkFzIEhEQ1AgaXMgc3VwcG9zZWQgdG8gYmUgZW5hYmxlZCBhZnRlciB0aGUgYmFz aWMgZGlzcGxheSBpcyB1cCwgcG93ZXIgd2VsbCAjMSBpcyBzdXBwb3NlZCB0byBiZSBlbmFibGVk LgpJZiBub3QgdGhhdCBpcyBtb3N0bHkgYW4gZXJyb3Igdy5yLnQgSERDUC4KClNvIGF0IHRoaXMg cG9pbnQgd2UganVzdCB3YW50IHRvIHZlcmlmeSB3aGV0aGVyIHJlcXVpcmVkIFBXIGlzIHVwIGFu ZCBIRENQIGtleSBjYW4gYmUgbG9hZGVkIGZyb20gdGhlIEhXLiBFbHNlIGZhaWwgdGhlIEhEQ1Ag cmVxdWVzdC4KCi0tUmFtCgo+CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p bnRlbC1nZngK