From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH v5 3/4] drm/i915/debugfs: hdcp capability of a sink Date: Tue, 23 Oct 2018 16:04:00 +0200 Message-ID: <20181023140400.GW324@phenom.ffwll.local> References: <1540286550-20399-1-git-send-email-ramalingam.c@intel.com> <1540286550-20399-4-git-send-email-ramalingam.c@intel.com> 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 BA1256E1B2 for ; Tue, 23 Oct 2018 14:04:04 +0000 (UTC) Received: by mail-ed1-x543.google.com with SMTP id v22-v6so1720684edq.13 for ; Tue, 23 Oct 2018 07:04:04 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1540286550-20399-4-git-send-email-ramalingam.c@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ramalingam C Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBPY3QgMjMsIDIwMTggYXQgMDI6NTI6MjlQTSArMDUzMCwgUmFtYWxpbmdhbSBDIHdy b3RlOgo+IEFkZCBhIGRlYnVnZnMgZW50cnkgZm9yIHByb3ZpZGluZyB0aGUgaGRjcCBjYXBhYmls aXRpZXMgb2YgdGhlIHNpbmsKPiBjb25uZWN0ZWQgdG8gdGhlIEhEQ1AgY2FwYWJsZSBjb25uZWN0 b3JzLgo+IAo+IHYyOgo+ICAgU3F1YXNoZWQgdGhlIHNpbmsncyBoZGNwIGNhcGFiaWxpdHkgaW50 byB0aGlzIHBhdGNoLiBbRGFuaWVsXQo+IAo+IFNpZ25lZC1vZmYtYnk6IFJhbWFsaW5nYW0gQyA8 cmFtYWxpbmdhbS5jQGludGVsLmNvbT4KClllYWggbGd0bS4gUmV2aWV3ZWQtYnk6IERhbmllbCBW ZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2RlYnVnZnMuYyB8IDI5ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrCj4g IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oICAgIHwgIDcgKysrKysrKwo+ICBkcml2 ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMgICB8IDI3ICsrKysrKysrKysrKysrKysrKysr Ky0tLS0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgICB8IDE2ICsrKysr KysrKysrKysrKy0KPiAgNCBmaWxlcyBjaGFuZ2VkLCA3MiBpbnNlcnRpb25zKCspLCA3IGRlbGV0 aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2RlYnVn ZnMuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdmcy5jCj4gaW5kZXggNWYzYzYz OTUyMmZhLi42ZDA5YWY2NmRhMGYgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kZWJ1Z2ZzLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2RlYnVnZnMu Ywo+IEBAIC00OTQ2LDYgKzQ5NDYsMjggQEAgc3RhdGljIGludCBpOTE1X3BhbmVsX3Nob3coc3Ry dWN0IHNlcV9maWxlICptLCB2b2lkICpkYXRhKQo+ICB9Cj4gIERFRklORV9TSE9XX0FUVFJJQlVU RShpOTE1X3BhbmVsKTsKPiAgCj4gK3N0YXRpYyBpbnQgaTkxNV9oZGNwX3NpbmtfY2FwYWJpbGl0 eV9zaG93KHN0cnVjdCBzZXFfZmlsZSAqbSwgdm9pZCAqZGF0YSkKPiArewo+ICsJc3RydWN0IGRy bV9jb25uZWN0b3IgKmNvbm5lY3RvciA9IG0tPnByaXZhdGU7Cj4gKwlzdHJ1Y3QgaW50ZWxfY29u bmVjdG9yICppbnRlbF9jb25uZWN0b3IgPSB0b19pbnRlbF9jb25uZWN0b3IoY29ubmVjdG9yKTsK PiArCj4gKwlpZiAoY29ubmVjdG9yLT5zdGF0dXMgIT0gY29ubmVjdG9yX3N0YXR1c19jb25uZWN0 ZWQpCj4gKwkJcmV0dXJuIC1FTk9ERVY7Cj4gKwo+ICsJLyogSERDUCBpcyBzdXBwb3J0ZWQgYnkg Y29ubmVjdG9yICovCj4gKwlpZiAoIWludGVsX2Nvbm5lY3Rvci0+aGRjcF9zaGltKQo+ICsJCXJl dHVybiAtRUlOVkFMOwo+ICsKPiArCXNlcV9wcmludGYobSwgIiVzOiVkIEhEQ1AgdmVyc2lvbjog IiwgY29ubmVjdG9yLT5uYW1lLAo+ICsJCSAgIGNvbm5lY3Rvci0+YmFzZS5pZCk7Cj4gKwlzZXFf cHJpbnRmKG0sICIlcyAiLCAhaW50ZWxfaGRjcF9jYXBhYmxlKGludGVsX2Nvbm5lY3RvcikgPwo+ ICsJCSAgICJOb25lIiA6ICJIRENQMS40Iik7Cj4gKwlzZXFfcHV0cyhtLCAiXG4iKTsKPiArCj4g KwlyZXR1cm4gMDsKPiArfQo+ICtERUZJTkVfU0hPV19BVFRSSUJVVEUoaTkxNV9oZGNwX3Npbmtf Y2FwYWJpbGl0eSk7Cj4gKwo+ICAvKioKPiAgICogaTkxNV9kZWJ1Z2ZzX2Nvbm5lY3Rvcl9hZGQg LSBhZGQgaTkxNSBzcGVjaWZpYyBjb25uZWN0b3IgZGVidWdmcyBmaWxlcwo+ICAgKiBAY29ubmVj dG9yOiBwb2ludGVyIHRvIGEgcmVnaXN0ZXJlZCBkcm1fY29ubmVjdG9yCj4gQEAgLTQ5NzUsNSAr NDk5NywxMiBAQCBpbnQgaTkxNV9kZWJ1Z2ZzX2Nvbm5lY3Rvcl9hZGQoc3RydWN0IGRybV9jb25u ZWN0b3IgKmNvbm5lY3RvcikKPiAgCQkJCSAgICBjb25uZWN0b3IsICZpOTE1X3Bzcl9zaW5rX3N0 YXR1c19mb3BzKTsKPiAgCX0KPiAgCj4gKwlpZiAoY29ubmVjdG9yLT5jb25uZWN0b3JfdHlwZSA9 PSBEUk1fTU9ERV9DT05ORUNUT1JfRGlzcGxheVBvcnQgfHwKPiArCSAgICBjb25uZWN0b3ItPmNv bm5lY3Rvcl90eXBlID09IERSTV9NT0RFX0NPTk5FQ1RPUl9IRE1JQSB8fAo+ICsJICAgIGNvbm5l Y3Rvci0+Y29ubmVjdG9yX3R5cGUgPT0gRFJNX01PREVfQ09OTkVDVE9SX0hETUlCKSB7Cj4gKwkJ ZGVidWdmc19jcmVhdGVfZmlsZSgiaTkxNV9oZGNwX3NpbmtfY2FwYWJpbGl0eSIsIFNfSVJVR08s IHJvb3QsCj4gKwkJCQkgICAgY29ubmVjdG9yLCAmaTkxNV9oZGNwX3NpbmtfY2FwYWJpbGl0eV9m b3BzKTsKPiArCX0KPiArCj4gIAlyZXR1cm4gMDsKPiAgfQo+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Ry di5oCj4gaW5kZXggYjJjYTlmMjc4YjM2Li4yNDliYjlkMWI1ZDAgMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcnYuaAo+IEBAIC0xMjk2LDYgKzEyOTYsMTIgQEAgZW5jX3RvX2RpZ19wb3J0KHN0 cnVjdCBkcm1fZW5jb2RlciAqZW5jb2RlcikKPiAgCQlyZXR1cm4gTlVMTDsKPiAgfQo+ICAKPiAr c3RhdGljIGlubGluZSBzdHJ1Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICoKPiArY29ubl90b19kaWdf cG9ydChzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpCj4gK3sKPiArCXJldHVybiBl bmNfdG9fZGlnX3BvcnQoJmludGVsX2F0dGFjaGVkX2VuY29kZXIoJmNvbm5lY3Rvci0+YmFzZSkt PmJhc2UpOwo+ICt9Cj4gKwo+ICBzdGF0aWMgaW5saW5lIHN0cnVjdCBpbnRlbF9kcF9tc3RfZW5j b2RlciAqCj4gIGVuY190b19tc3Qoc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyKQo+ICB7Cj4g QEAgLTE5NTYsNiArMTk2Miw3IEBAIGludCBpbnRlbF9oZGNwX2VuYWJsZShzdHJ1Y3QgaW50ZWxf Y29ubmVjdG9yICpjb25uZWN0b3IpOwo+ICBpbnQgaW50ZWxfaGRjcF9kaXNhYmxlKHN0cnVjdCBp bnRlbF9jb25uZWN0b3IgKmNvbm5lY3Rvcik7Cj4gIGludCBpbnRlbF9oZGNwX2NoZWNrX2xpbmso c3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKTsKPiAgYm9vbCBpc19oZGNwX3N1cHBv cnRlZChzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsIGVudW0gcG9ydCBwb3J0KTsK PiArYm9vbCBpbnRlbF9oZGNwX2NhcGFibGUoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVj dG9yKTsKPiAgCj4gIC8qIGludGVsX3Bzci5jICovCj4gICNkZWZpbmUgQ0FOX1BTUihkZXZfcHJp dikgKEhBU19QU1IoZGV2X3ByaXYpICYmIGRldl9wcml2LT5wc3Iuc2lua19zdXBwb3J0KQo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMKPiBpbmRleCAyMDkwOGZmMDE4ZTYuLjI4M2I0NTYzNjY2 OCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMKPiArKysg Yi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZGNwLmMKPiBAQCAtNTEsNiArNTEsMjcgQEAg aW50IGludGVsX2hkY3BfcmVhZF92YWxpZF9ia3N2KHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQg KmludGVsX2RpZ19wb3J0LAo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4gKy8qIElzIEhEQ1AxLjQg Y2FwYWJsZSBvbiBQbGF0Zm9ybSBhbmQgU2luayAqLwo+ICtib29sIGludGVsX2hkY3BfY2FwYWJs ZShzdHJ1Y3QgaW50ZWxfY29ubmVjdG9yICpjb25uZWN0b3IpCj4gK3sKPiArCXN0cnVjdCBpbnRl bF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0ID0gY29ubl90b19kaWdfcG9ydChjb25uZWN0 b3IpOwo+ICsJY29uc3Qgc3RydWN0IGludGVsX2hkY3Bfc2hpbSAqc2hpbSA9IGNvbm5lY3Rvci0+ aGRjcF9zaGltOwo+ICsJYm9vbCBjYXBhYmxlID0gZmFsc2U7Cj4gKwl1OCBia3N2WzVdOwo+ICsK PiArCWlmICghc2hpbSkKPiArCQlyZXR1cm4gY2FwYWJsZTsKPiArCj4gKwlpZiAoc2hpbS0+aGRj cF9jYXBhYmxlKSB7Cj4gKwkJc2hpbS0+aGRjcF9jYXBhYmxlKGludGVsX2RpZ19wb3J0LCAmY2Fw YWJsZSk7Cj4gKwl9IGVsc2Ugewo+ICsJCWlmICghaW50ZWxfaGRjcF9yZWFkX3ZhbGlkX2Jrc3Yo aW50ZWxfZGlnX3BvcnQsIHNoaW0sIGJrc3YpKQo+ICsJCQljYXBhYmxlID0gdHJ1ZTsKPiArCX0K PiArCj4gKwlyZXR1cm4gY2FwYWJsZTsKPiArfQo+ICsKPiAgc3RhdGljIGludCBpbnRlbF9oZGNw X3BvbGxfa3N2X2ZpZm8oc3RydWN0IGludGVsX2RpZ2l0YWxfcG9ydCAqaW50ZWxfZGlnX3BvcnQs Cj4gIAkJCQkgICAgY29uc3Qgc3RydWN0IGludGVsX2hkY3Bfc2hpbSAqc2hpbSkKPiAgewo+IEBA IC02MzIsMTIgKzY1Myw2IEBAIHN0YXRpYyBpbnQgaW50ZWxfaGRjcF9hdXRoKHN0cnVjdCBpbnRl bF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0LAo+ICAJcmV0dXJuIDA7Cj4gIH0KPiAgCj4g LXN0YXRpYwo+IC1zdHJ1Y3QgaW50ZWxfZGlnaXRhbF9wb3J0ICpjb25uX3RvX2RpZ19wb3J0KHN0 cnVjdCBpbnRlbF9jb25uZWN0b3IgKmNvbm5lY3RvcikKPiAtewo+IC0JcmV0dXJuIGVuY190b19k aWdfcG9ydCgmaW50ZWxfYXR0YWNoZWRfZW5jb2RlcigmY29ubmVjdG9yLT5iYXNlKS0+YmFzZSk7 Cj4gLX0KPiAtCj4gIHN0YXRpYyBpbnQgX2ludGVsX2hkY3BfZGlzYWJsZShzdHJ1Y3QgaW50ZWxf Y29ubmVjdG9yICpjb25uZWN0b3IpCj4gIHsKPiAgCXN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpk ZXZfcHJpdiA9IGNvbm5lY3Rvci0+YmFzZS5kZXYtPmRldl9wcml2YXRlOwo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9oZG1pLmMKPiBpbmRleCA4OWQ1ZTM5ODQ0NTIuLjcyZThhNzNkZmExYyAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMKPiArKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMKPiBAQCAtMjA3Miw2ICsyMDcyLDIwIEBAIHN0YXRp YyB2b2lkIGNodl9oZG1pX3ByZV9lbmFibGUoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIs Cj4gIAljaHZfcGh5X3JlbGVhc2VfY2wyX292ZXJyaWRlKGVuY29kZXIpOwo+ICB9Cj4gIAo+ICtz dGF0aWMgaW50Cj4gK2ludGVsX2hkbWlfY29ubmVjdG9yX3JlZ2lzdGVyKHN0cnVjdCBkcm1fY29u bmVjdG9yICpjb25uZWN0b3IpCj4gK3sKPiArCWludCByZXQ7Cj4gKwo+ICsJcmV0ID0gaW50ZWxf Y29ubmVjdG9yX3JlZ2lzdGVyKGNvbm5lY3Rvcik7Cj4gKwlpZiAocmV0KQo+ICsJCXJldHVybiBy ZXQ7Cj4gKwo+ICsJaTkxNV9kZWJ1Z2ZzX2Nvbm5lY3Rvcl9hZGQoY29ubmVjdG9yKTsKPiArCj4g KwlyZXR1cm4gcmV0Owo+ICt9Cj4gKwo+ICBzdGF0aWMgdm9pZCBpbnRlbF9oZG1pX2Rlc3Ryb3ko c3RydWN0IGRybV9jb25uZWN0b3IgKmNvbm5lY3RvcikKPiAgewo+ICAJaWYgKGludGVsX2F0dGFj aGVkX2hkbWkoY29ubmVjdG9yKS0+Y2VjX25vdGlmaWVyKQo+IEBAIC0yMDg2LDcgKzIxMDAsNyBA QCBzdGF0aWMgY29uc3Qgc3RydWN0IGRybV9jb25uZWN0b3JfZnVuY3MgaW50ZWxfaGRtaV9jb25u ZWN0b3JfZnVuY3MgPSB7Cj4gIAkuZmlsbF9tb2RlcyA9IGRybV9oZWxwZXJfcHJvYmVfc2luZ2xl X2Nvbm5lY3Rvcl9tb2RlcywKPiAgCS5hdG9taWNfZ2V0X3Byb3BlcnR5ID0gaW50ZWxfZGlnaXRh bF9jb25uZWN0b3JfYXRvbWljX2dldF9wcm9wZXJ0eSwKPiAgCS5hdG9taWNfc2V0X3Byb3BlcnR5 ID0gaW50ZWxfZGlnaXRhbF9jb25uZWN0b3JfYXRvbWljX3NldF9wcm9wZXJ0eSwKPiAtCS5sYXRl X3JlZ2lzdGVyID0gaW50ZWxfY29ubmVjdG9yX3JlZ2lzdGVyLAo+ICsJLmxhdGVfcmVnaXN0ZXIg PSBpbnRlbF9oZG1pX2Nvbm5lY3Rvcl9yZWdpc3RlciwKPiAgCS5lYXJseV91bnJlZ2lzdGVyID0g aW50ZWxfY29ubmVjdG9yX3VucmVnaXN0ZXIsCj4gIAkuZGVzdHJveSA9IGludGVsX2hkbWlfZGVz dHJveSwKPiAgCS5hdG9taWNfZGVzdHJveV9zdGF0ZSA9IGRybV9hdG9taWNfaGVscGVyX2Nvbm5l Y3Rvcl9kZXN0cm95X3N0YXRlLAo+IC0tIAo+IDIuNy40Cj4gCgotLSAKRGFuaWVsIFZldHRlcgpT b2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Jsb2cuZmZ3bGwuY2gK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4 IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==