From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [Intel-gfx] [PATCH v8 1/2] drm/dp: Add a drm_aux-dev module for reading/writing dpcd registers. Date: Wed, 25 Nov 2015 15:02:50 +0200 Message-ID: <20151125130250.GN4437@intel.com> References: <1446496428-12135-1-git-send-email-rafael.antognolli@intel.com> <1446496428-12135-2-git-send-email-rafael.antognolli@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1446496428-12135-2-git-send-email-rafael.antognolli@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Rafael Antognolli Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBOb3YgMDIsIDIwMTUgYXQgMTI6MzM6NDdQTSAtMDgwMCwgUmFmYWVsIEFudG9nbm9s bGkgd3JvdGU6CjxzbmlwPgo+ICtzdGF0aWMgaW50IF9faW5pdCBkcm1fZHBfYXV4X2Rldl9pbml0 KHZvaWQpCj4gK3sKPiArCWludCByZXM7Cj4gKwo+ICsJZHJtX2RwX2F1eF9kZXZfY2xhc3MgPSBj bGFzc19jcmVhdGUoVEhJU19NT0RVTEUsICJkcm1fZHBfYXV4X2RldiIpOwo+ICsJaWYgKElTX0VS Uihkcm1fZHBfYXV4X2Rldl9jbGFzcykpIHsKPiArCQlyZXMgPSBQVFJfRVJSKGRybV9kcF9hdXhf ZGV2X2NsYXNzKTsKPiArCQlnb3RvIG91dDsKPiArCX0KPiArCWRybV9kcF9hdXhfZGV2X2NsYXNz LT5kZXZfZ3JvdXBzID0gZHJtX2RwX2F1eF9ncm91cHM7Cj4gKwo+ICsJcmVzID0gcmVnaXN0ZXJf Y2hyZGV2KDAsICJhdXgiLCAmYXV4ZGV2X2ZvcHMpOwo+ICsJaWYgKHJlcyA8IDApCj4gKwkJZ290 byBvdXQ7Cj4gKwlkcm1fZGV2X21ham9yID0gcmVzOwo+ICsKPiArCXJldHVybiAwOwo+ICtvdXQ6 Cj4gKwljbGFzc19kZXN0cm95KGRybV9kcF9hdXhfZGV2X2NsYXNzKTsKPiArCXJldHVybiByZXM7 Cj4gK30KPiArCj4gK3N0YXRpYyB2b2lkIF9fZXhpdCBkcm1fZHBfYXV4X2Rldl9leGl0KHZvaWQp Cj4gK3sKPiArCXVucmVnaXN0ZXJfY2hyZGV2KGRybV9kZXZfbWFqb3IsICJhdXgiKTsKPiArCWNs YXNzX2Rlc3Ryb3koZHJtX2RwX2F1eF9kZXZfY2xhc3MpOwo+ICt9Cj4gKwo+ICtNT0RVTEVfQVVU SE9SKCJSYWZhZWwgQW50b2dub2xsaSA8cmFmYWVsLmFudG9nbm9sbGlAaW50ZWwuY29tPiIpOwo+ ICtNT0RVTEVfREVTQ1JJUFRJT04oIkRSTSBEUCBBVVggL2RldiBlbnRyaWVzIGRyaXZlciIpOwo+ ICtNT0RVTEVfTElDRU5TRSgiR1BMIGFuZCBhZGRpdGlvbmFsIHJpZ2h0cyIpOwo+ICsKPiArbW9k dWxlX2luaXQoZHJtX2RwX2F1eF9kZXZfaW5pdCk7Cj4gK21vZHVsZV9leGl0KGRybV9kcF9hdXhf ZGV2X2V4aXQpOwoKU2luY2UgdGhpcyBpcyBubyBsb25nZXIgYSBzZXBhcmF0ZSBtb2R1bGUgdGhp cyBzdHVmZiBjYW4gY2F1c2UgYQpidWlsZCBmYWlsdXJlIGR1ZSB0byBkcm1fZmJfaGVscGVyLmMg YWxyZWFkeSBwcm92aWRpbmcgYSBtb2R1bGVfaW5pdApmb3IgdGhlIHNhbWUgbW9kdWxlLgoKU28g bWF5YmUgd2UgbmVldCB0byBoYXZlIG1vZHVsZV9pbml0L2V4aXQgZm9yIGRybV9rbXNfaGVscGVy Lm8gaW4Kc29tZSBjZW50cmFsIHBsYWNlIGFuZCBoYXZlIHRob3NlIGNhbGwgdGhlIGluaXQvZXhp dCBmdW5jdGlvbnMgZm9yCmRybV9mYl9oZWxwZXIgYW5kIGRybV9kcF9hdXhfZGV2PwoKPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9kcm1fZHBfaGVscGVyLmMKPiBpbmRleCA5NTM1YzViLi43ZDU4ZjU5IDEwMDY0NAo+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfaGVscGVyLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v ZHJtX2RwX2hlbHBlci5jCj4gQEAgLTI4LDYgKzI4LDcgQEAKPiAgI2luY2x1ZGUgPGxpbnV4L3Nj aGVkLmg+Cj4gICNpbmNsdWRlIDxsaW51eC9pMmMuaD4KPiAgI2luY2x1ZGUgPGRybS9kcm1fZHBf aGVscGVyLmg+Cj4gKyNpbmNsdWRlIDxkcm0vZHJtX2RwX2F1eF9kZXYuaD4KPiAgI2luY2x1ZGUg PGRybS9kcm1QLmg+Cj4gIAo+ICAvKioKPiBAQCAtNzU0LDYgKzc1NSw4IEBAIHN0YXRpYyBjb25z dCBzdHJ1Y3QgaTJjX2FsZ29yaXRobSBkcm1fZHBfaTJjX2FsZ28gPSB7Cj4gICAqLwo+ICBpbnQg ZHJtX2RwX2F1eF9yZWdpc3RlcihzdHJ1Y3QgZHJtX2RwX2F1eCAqYXV4KQo+ICB7Cj4gKwlpbnQg cmV0Owo+ICsKPiAgCW11dGV4X2luaXQoJmF1eC0+aHdfbXV0ZXgpOwo+ICAKPiAgCWF1eC0+ZGRj LmFsZ28gPSAmZHJtX2RwX2kyY19hbGdvOwo+IEBAIC03NjgsNyArNzcxLDE3IEBAIGludCBkcm1f ZHBfYXV4X3JlZ2lzdGVyKHN0cnVjdCBkcm1fZHBfYXV4ICphdXgpCj4gIAlzdHJsY3B5KGF1eC0+ ZGRjLm5hbWUsIGF1eC0+bmFtZSA/IGF1eC0+bmFtZSA6IGRldl9uYW1lKGF1eC0+ZGV2KSwKPiAg CQlzaXplb2YoYXV4LT5kZGMubmFtZSkpOwo+ICAKPiAtCXJldHVybiBpMmNfYWRkX2FkYXB0ZXIo JmF1eC0+ZGRjKTsKPiArCXJldCA9IGRybV9kcF9hdXhfcmVnaXN0ZXJfZGV2bm9kZShhdXgpOwo+ ICsJaWYgKHJldCkKPiArCQlyZXR1cm4gcmV0Owo+ICsKPiArCXJldCA9IGkyY19hZGRfYWRhcHRl cigmYXV4LT5kZGMpOwo+ICsJaWYgKHJldCkgewo+ICsJCWRybV9kcF9hdXhfdW5yZWdpc3Rlcl9k ZXZub2RlKGF1eCk7Cj4gKwkJcmV0dXJuIHJldDsKPiArCX0KPiArCj4gKwlyZXR1cm4gMDsKPiAg fQo+ICBFWFBPUlRfU1lNQk9MKGRybV9kcF9hdXhfcmVnaXN0ZXIpOwo+ICAKPiBAQCAtNzc4LDYg Kzc5MSw3IEBAIEVYUE9SVF9TWU1CT0woZHJtX2RwX2F1eF9yZWdpc3Rlcik7Cj4gICAqLwo+ICB2 b2lkIGRybV9kcF9hdXhfdW5yZWdpc3RlcihzdHJ1Y3QgZHJtX2RwX2F1eCAqYXV4KQo+ICB7Cj4g Kwlkcm1fZHBfYXV4X3VucmVnaXN0ZXJfZGV2bm9kZShhdXgpOwo+ICAJaTJjX2RlbF9hZGFwdGVy KCZhdXgtPmRkYyk7Cj4gIH0KPiAgRVhQT1JUX1NZTUJPTChkcm1fZHBfYXV4X3VucmVnaXN0ZXIp Owo+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2RybS9kcm1fZHBfYXV4X2Rldi5oIGIvaW5jbHVkZS9k cm0vZHJtX2RwX2F1eF9kZXYuaAo+IG5ldyBmaWxlIG1vZGUgMTAwNjQ0Cj4gaW5kZXggMDAwMDAw MC4uMzkxYTJjZgo+IC0tLSAvZGV2L251bGwKPiArKysgYi9pbmNsdWRlL2RybS9kcm1fZHBfYXV4 X2Rldi5oCj4gQEAgLTAsMCArMSw1MCBAQAo+ICsvKgo+ICsgKiBDb3B5cmlnaHQgwqkgMjAxNSBJ bnRlbCBDb3Jwb3JhdGlvbgo+ICsgKgo+ICsgKiBQZXJtaXNzaW9uIGlzIGhlcmVieSBncmFudGVk LCBmcmVlIG9mIGNoYXJnZSwgdG8gYW55IHBlcnNvbiBvYnRhaW5pbmcgYQo+ICsgKiBjb3B5IG9m IHRoaXMgc29mdHdhcmUgYW5kIGFzc29jaWF0ZWQgZG9jdW1lbnRhdGlvbiBmaWxlcyAodGhlICJT b2Z0d2FyZSIpLAo+ICsgKiB0byBkZWFsIGluIHRoZSBTb2Z0d2FyZSB3aXRob3V0IHJlc3RyaWN0 aW9uLCBpbmNsdWRpbmcgd2l0aG91dCBsaW1pdGF0aW9uCj4gKyAqIHRoZSByaWdodHMgdG8gdXNl LCBjb3B5LCBtb2RpZnksIG1lcmdlLCBwdWJsaXNoLCBkaXN0cmlidXRlLCBzdWJsaWNlbnNlLAo+ ICsgKiBhbmQvb3Igc2VsbCBjb3BpZXMgb2YgdGhlIFNvZnR3YXJlLCBhbmQgdG8gcGVybWl0IHBl cnNvbnMgdG8gd2hvbSB0aGUKPiArICogU29mdHdhcmUgaXMgZnVybmlzaGVkIHRvIGRvIHNvLCBz dWJqZWN0IHRvIHRoZSBmb2xsb3dpbmcgY29uZGl0aW9uczoKPiArICoKPiArICogVGhlIGFib3Zl IGNvcHlyaWdodCBub3RpY2UgYW5kIHRoaXMgcGVybWlzc2lvbiBub3RpY2UgKGluY2x1ZGluZyB0 aGUgbmV4dAo+ICsgKiBwYXJhZ3JhcGgpIHNoYWxsIGJlIGluY2x1ZGVkIGluIGFsbCBjb3BpZXMg b3Igc3Vic3RhbnRpYWwgcG9ydGlvbnMgb2YgdGhlCj4gKyAqIFNvZnR3YXJlLgo+ICsgKgo+ICsg KiBUSEUgU09GVFdBUkUgSVMgUFJPVklERUQgIkFTIElTIiwgV0lUSE9VVCBXQVJSQU5UWSBPRiBB TlkgS0lORCwgRVhQUkVTUyBPUgo+ICsgKiBJTVBMSUVELCBJTkNMVURJTkcgQlVUIE5PVCBMSU1J VEVEIFRPIFRIRSBXQVJSQU5USUVTIE9GIE1FUkNIQU5UQUJJTElUWSwKPiArICogRklUTkVTUyBG T1IgQSBQQVJUSUNVTEFSIFBVUlBPU0UgQU5EIE5PTklORlJJTkdFTUVOVC4gIElOIE5PIEVWRU5U IFNIQUxMCj4gKyAqIFRIRSBBVVRIT1JTIE9SIENPUFlSSUdIVCBIT0xERVJTIEJFIExJQUJMRSBG T1IgQU5ZIENMQUlNLCBEQU1BR0VTIE9SIE9USEVSCj4gKyAqIExJQUJJTElUWSwgV0hFVEhFUiBJ TiBBTiBBQ1RJT04gT0YgQ09OVFJBQ1QsIFRPUlQgT1IgT1RIRVJXSVNFLCBBUklTSU5HCj4gKyAq IEZST00sIE9VVCBPRiBPUiBJTiBDT05ORUNUSU9OIFdJVEggVEhFIFNPRlRXQVJFIE9SIFRIRSBV U0UgT1IgT1RIRVIgREVBTElOR1MKPiArICogSU4gVEhFIFNPRlRXQVJFLgo+ICsgKgo+ICsgKiBB dXRob3JzOgo+ICsgKiAgICBSYWZhZWwgQW50b2dub2xsaSA8cmFmYWVsLmFudG9nbm9sbGlAaW50 ZWwuY29tPgo+ICsgKgo+ICsgKi8KPiArCj4gKyNpZm5kZWYgRFJNX0RQX0FVWF9ERVYKPiArI2Rl ZmluZSBEUk1fRFBfQVVYX0RFVgo+ICsKPiArI2lmZGVmIENPTkZJR19EUk1fRFBfQVVYX0NIQVJE RVYKPiArCj4gK2ludCBkcm1fZHBfYXV4X3JlZ2lzdGVyX2Rldm5vZGUoc3RydWN0IGRybV9kcF9h dXggKmF1eCk7Cj4gK3ZvaWQgZHJtX2RwX2F1eF91bnJlZ2lzdGVyX2Rldm5vZGUoc3RydWN0IGRy bV9kcF9hdXggKmF1eCk7Cj4gKwo+ICsjZWxzZQo+ICsKPiArc3RhdGljIGlubGluZSBpbnQgZHJt X2RwX2F1eF9yZWdpc3Rlcl9kZXZub2RlKHN0cnVjdCBkcm1fZHBfYXV4ICphdXgpCj4gK3sKPiAr CXJldHVybiAwOwo+ICt9Cj4gKwo+ICtzdGF0aWMgaW5saW5lIHZvaWQgZHJtX2RwX2F1eF91bnJl Z2lzdGVyX2Rldm5vZGUoc3RydWN0IGRybV9kcF9hdXggKmF1eCkKPiArewo+ICsJcmV0dXJuIDA7 Cj4gK30KPiArCj4gKyNlbmRpZgo+ICsKPiArI2VuZGlmCj4gLS0gCj4gMi40LjMKPiAKPiBfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo+IEludGVsLWdmeCBt YWlsaW5nIGxpc3QKPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gaHR0cDovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAoKLS0gClZpbGxl IFN5cmrDpGzDpApJbnRlbCBPVEMKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWwK