From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 2/2] drm/dp: add DPCD logging Date: Fri, 11 Dec 2015 18:41:25 +0200 Message-ID: <20151211164125.GH4437@intel.com> References: <1449696010-27449-1-git-send-email-robdclark@gmail.com> <1449696010-27449-2-git-send-email-robdclark@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id C9F466E0DB for ; Fri, 11 Dec 2015 08:41:30 -0800 (PST) Content-Disposition: inline In-Reply-To: <1449696010-27449-2-git-send-email-robdclark@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Rob Clark Cc: Dave Wysochanski , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBEZWMgMDksIDIwMTUgYXQgMDQ6MjA6MTBQTSAtMDUwMCwgUm9iIENsYXJrIHdyb3Rl Ogo+IEFkZCBhIG5ldyBkcm1fZGVidWcgYml0IGZvciB0dXJuaW5nIG9uIERQQ0QgbG9nZ2luZywg dG8gYWlkIGRlYnVnZ2luZwo+IHdpdGggdHJvdWJsZXNvbWUgbW9uaXRvcnMuCj4gCj4gdjI6IGRv bid0IHRyeSB0byBoZXhkdW1wIHRoZSB1bml2ZXJzZSBpZiBkcml2ZXIgcmV0dXJucyAtZXJybm8s IGFuZAo+IGNoYW5nZSB0aGUgInRvbyBtYW55IHJldHJpZXMiIHRyYWNlcyB0byBEUk1fRVJST1Io KQo+IAo+IFNpZ25lZC1vZmYtYnk6IFJvYiBDbGFyayA8cm9iZGNsYXJrQGdtYWlsLmNvbT4KPiAt LS0KPiAgZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYyB8IDYwICsrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKystLS0tLS0tCj4gIGluY2x1ZGUvZHJtL2RybVAuaCAgICAgICAg ICAgICAgfCAxMCArKysrKystCj4gIDIgZmlsZXMgY2hhbmdlZCwgNTkgaW5zZXJ0aW9ucygrKSwg MTEgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBf aGVscGVyLmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jCj4gaW5kZXggNzZlMDhk Yy4uM2YyN2NjOSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5j Cj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwo+IEBAIC0xNTksNiArMTU5 LDQ0IEBAIGludCBkcm1fZHBfYndfY29kZV90b19saW5rX3JhdGUodTggbGlua19idykKPiAgfQo+ ICBFWFBPUlRfU1lNQk9MKGRybV9kcF9id19jb2RlX3RvX2xpbmtfcmF0ZSk7Cj4gIAo+ICtzdGF0 aWMgc3NpemVfdCBhdXhfdHJhbnNmZXIoc3RydWN0IGRybV9kcF9hdXggKmF1eCwgc3RydWN0IGRy bV9kcF9hdXhfbXNnICptc2cpCj4gK3sKPiArCXNzaXplX3QgcmV0Owo+ICsKPiArCURSTV9ERUJV R19EUENEKCIlczogcmVxPTB4JTAyeCwgYWRkcmVzcz0weCUwNXgsIHNpemU9JXp1XG4iLCBhdXgt Pm5hbWUsCj4gKwkJCW1zZy0+cmVxdWVzdCwgbXNnLT5hZGRyZXNzLCBtc2ctPnNpemUpOwo+ICsK PiArCWlmICh1bmxpa2VseShkcm1fZGVidWcgJiBEUk1fVVRfRFBDRCkpIHsKPiArCQlzd2l0Y2gg KG1zZy0+cmVxdWVzdCAmIH5EUF9BVVhfSTJDX01PVCkgewo+ICsJCWNhc2UgRFBfQVVYX05BVElW RV9XUklURToKPiArCQljYXNlIERQX0FVWF9JMkNfV1JJVEU6CgpNaXNzaW5nIERQX0FVWF9JMkNf V1JJVEVfU1RBVFVTX1VQREFURSBvbiBwdXJwb3NlPwoKPiArCQkJcHJpbnRfaGV4X2R1bXAoS0VS Tl9ERUJVRywgIkRQQ0Q6ICIsIERVTVBfUFJFRklYX09GRlNFVCwKPiArCQkJCQkxNiwgMSwgbXNn LT5idWZmZXIsIG1zZy0+c2l6ZSwgZmFsc2UpOwoKaTJjICE9IGRwY2QKClNvIG1pZ2h0IGJlIGl0 IHNob3VsZCBiZSBjYWxsZWQgRFJNX1VUX0FVWCBldGMuIAoKCj4gKwkJCWJyZWFrOwo+ICsJCWRl ZmF1bHQ6Cj4gKwkJCWJyZWFrOwo+ICsJCX0KPiArCX0KPiArCj4gKwlyZXQgPSBhdXgtPnRyYW5z ZmVyKGF1eCwgbXNnKTsKPiArCj4gKwlEUk1fREVCVUdfRFBDRCgiJXM6IHJlcGx5PTB4JTAyeCwg c2l6ZT0lemRcbiIsIGF1eC0+bmFtZSwgbXNnLT5yZXBseSwgcmV0KTsKCkkgd2FzIHRoaW5raW5n IHRoZSByZXBseSBtaWdodCBjb250YWluIHJhbmRvbSBnYXJiYWdlIG9uIGVycm9yLCBidXQgYXQK bGVhc3Qgd2UgbWVtc2V0IHRoZSB3aG9sZSB0aGluZyB0byB6ZXJvIGluaXRpYWxseSwgc28gSSBn dWVzcyBpdCBvdWdodAp0byBiZSBnb29kIGVub3VnaC4KCj4gKwo+ICsJaWYgKHVubGlrZWx5KGRy bV9kZWJ1ZyAmIERSTV9VVF9EUENEKSAmJiAocmV0ID4gMCkpIHsKPiArCQlzd2l0Y2ggKG1zZy0+ cmVxdWVzdCAmIH5EUF9BVVhfSTJDX01PVCkgewo+ICsJCWNhc2UgRFBfQVVYX05BVElWRV9SRUFE Ogo+ICsJCWNhc2UgRFBfQVVYX0kyQ19SRUFEOgo+ICsJCQlwcmludF9oZXhfZHVtcChLRVJOX0RF QlVHLCAiRFBDRDogIiwgRFVNUF9QUkVGSVhfT0ZGU0VULAo+ICsJCQkJCTE2LCAxLCBtc2ctPmJ1 ZmZlciwgcmV0LCBmYWxzZSk7Cj4gKwkJCWJyZWFrOwo+ICsJCWRlZmF1bHQ6Cj4gKwkJCWJyZWFr Owo+ICsJCX0KPiArCX0KPiArCj4gKwlyZXR1cm4gcmV0Owo+ICt9Cj4gKwo+ICAjZGVmaW5lIEFV WF9SRVRSWV9JTlRFUlZBTCA1MDAgLyogdXMgKi8KPiAgCj4gIC8qKgo+IEBAIC0xOTYsNyArMjM0 LDcgQEAgc3RhdGljIGludCBkcm1fZHBfZHBjZF9hY2Nlc3Moc3RydWN0IGRybV9kcF9hdXggKmF1 eCwgdTggcmVxdWVzdCwKPiAgCSAqLwo+ICAJZm9yIChyZXRyeSA9IDA7IHJldHJ5IDwgMzI7IHJl dHJ5KyspIHsKPiAgCj4gLQkJZXJyID0gYXV4LT50cmFuc2ZlcihhdXgsICZtc2cpOwo+ICsJCWVy ciA9IGF1eF90cmFuc2ZlcihhdXgsICZtc2cpOwo+ICAJCWlmIChlcnIgPCAwKSB7Cj4gIAkJCWlm IChlcnIgPT0gLUVCVVNZKQo+ICAJCQkJY29udGludWU7Cj4gQEAgLTIxMiwxNiArMjUwLDE4IEBA IHN0YXRpYyBpbnQgZHJtX2RwX2RwY2RfYWNjZXNzKHN0cnVjdCBkcm1fZHBfYXV4ICphdXgsIHU4 IHJlcXVlc3QsCj4gIAkJCWdvdG8gdW5sb2NrOwo+ICAKPiAgCQljYXNlIERQX0FVWF9OQVRJVkVf UkVQTFlfTkFDSzoKPiArCQkJRFJNX0RFQlVHX0RQQ0QoIm5hdGl2ZSBuYWNrIChyZXN1bHQ9JWQs IHNpemU9JXp1KVxuIiwgZXJyLCBtc2cuc2l6ZSk7Cj4gIAkJCWVyciA9IC1FSU87Cj4gIAkJCWdv dG8gdW5sb2NrOwo+ICAKPiAgCQljYXNlIERQX0FVWF9OQVRJVkVfUkVQTFlfREVGRVI6Cj4gKwkJ CURSTV9ERUJVR19EUENEKCJuYXRpdmUgZGVmZXJcbiIpOwo+ICAJCQl1c2xlZXBfcmFuZ2UoQVVY X1JFVFJZX0lOVEVSVkFMLCBBVVhfUkVUUllfSU5URVJWQUwgKyAxMDApOwo+ICAJCQlicmVhazsK PiAgCQl9Cj4gIAl9Cj4gIAo+IC0JRFJNX0RFQlVHX0tNUygidG9vIG1hbnkgcmV0cmllcywgZ2l2 aW5nIHVwXG4iKTsKPiArCURSTV9FUlJPUigiRFBDRDogdG9vIG1hbnkgcmV0cmllcywgZ2l2aW5n IHVwIVxuIik7Cj4gIAllcnIgPSAtRUlPOwo+ICAKPiAgdW5sb2NrOgo+IEBAIC01NTAsMTIgKzU5 MCwxMiBAQCBzdGF0aWMgaW50IGRybV9kcF9pMmNfZG9fbXNnKHN0cnVjdCBkcm1fZHBfYXV4ICph dXgsIHN0cnVjdCBkcm1fZHBfYXV4X21zZyAqbXNnKQo+ICAJV0FSTl9PTighbXV0ZXhfaXNfbG9j a2VkKCZhdXgtPmh3X211dGV4KSk7Cj4gIAo+ICAJZm9yIChyZXRyeSA9IDAsIGRlZmVyX2kyYyA9 IDA7IHJldHJ5IDwgKG1heF9yZXRyaWVzICsgZGVmZXJfaTJjKTsgcmV0cnkrKykgewo+IC0JCXJl dCA9IGF1eC0+dHJhbnNmZXIoYXV4LCBtc2cpOwo+ICsJCXJldCA9IGF1eF90cmFuc2ZlcihhdXgs IG1zZyk7Cj4gIAkJaWYgKHJldCA8IDApIHsKPiAgCQkJaWYgKHJldCA9PSAtRUJVU1kpCj4gIAkJ CQljb250aW51ZTsKPiAgCj4gLQkJCURSTV9ERUJVR19LTVMoInRyYW5zYWN0aW9uIGZhaWxlZDog JWRcbiIsIHJldCk7Cj4gKwkJCURSTV9ERUJVR19EUENEKCJ0cmFuc2FjdGlvbiBmYWlsZWQ6ICVk XG4iLCByZXQpOwo+ICAJCQlyZXR1cm4gcmV0Owo+ICAJCX0KPiAgCj4gQEAgLTU2OSwxMSArNjA5 LDExIEBAIHN0YXRpYyBpbnQgZHJtX2RwX2kyY19kb19tc2coc3RydWN0IGRybV9kcF9hdXggKmF1 eCwgc3RydWN0IGRybV9kcF9hdXhfbXNnICptc2cpCj4gIAkJCWJyZWFrOwo+ICAKPiAgCQljYXNl IERQX0FVWF9OQVRJVkVfUkVQTFlfTkFDSzoKPiAtCQkJRFJNX0RFQlVHX0tNUygibmF0aXZlIG5h Y2sgKHJlc3VsdD0lZCwgc2l6ZT0lenUpXG4iLCByZXQsIG1zZy0+c2l6ZSk7Cj4gKwkJCURSTV9E RUJVR19EUENEKCJuYXRpdmUgbmFjayAocmVzdWx0PSVkLCBzaXplPSV6dSlcbiIsIHJldCwgbXNn LT5zaXplKTsKPiAgCQkJcmV0dXJuIC1FUkVNT1RFSU87Cj4gIAo+ICAJCWNhc2UgRFBfQVVYX05B VElWRV9SRVBMWV9ERUZFUjoKPiAtCQkJRFJNX0RFQlVHX0tNUygibmF0aXZlIGRlZmVyXG4iKTsK PiArCQkJRFJNX0RFQlVHX0RQQ0QoIm5hdGl2ZSBkZWZlclxuIik7Cj4gIAkJCS8qCj4gIAkJCSAq IFdlIGNvdWxkIGNoZWNrIGZvciBJMkMgYml0IHJhdGUgY2FwYWJpbGl0aWVzIGFuZCBpZgo+ICAJ CQkgKiBhdmFpbGFibGUgYWRqdXN0IHRoaXMgaW50ZXJ2YWwuIFdlIGNvdWxkIGFsc28gYmUKPiBA QCAtNjAyLDEyICs2NDIsMTIgQEAgc3RhdGljIGludCBkcm1fZHBfaTJjX2RvX21zZyhzdHJ1Y3Qg ZHJtX2RwX2F1eCAqYXV4LCBzdHJ1Y3QgZHJtX2RwX2F1eF9tc2cgKm1zZykKPiAgCQkJcmV0dXJu IHJldDsKPiAgCj4gIAkJY2FzZSBEUF9BVVhfSTJDX1JFUExZX05BQ0s6Cj4gLQkJCURSTV9ERUJV R19LTVMoIkkyQyBuYWNrIChyZXN1bHQ9JWQsIHNpemU9JXp1XG4iLCByZXQsIG1zZy0+c2l6ZSk7 Cj4gKwkJCURSTV9ERUJVR19EUENEKCJJMkMgbmFjayAocmVzdWx0PSVkLCBzaXplPSV6dVxuIiwg cmV0LCBtc2ctPnNpemUpOwogICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBeCgpNaWdodCBhcyB3ZWxsIGFkZCB0aGUgbWlz c2luZyBwYXJlbnRoZXNpcyB3aGlsZSB0b3VjaGluZyB0aGlzLgpBbmQgeWVzLCBpdCB3YXMgbWUg d2hvIG1lc3NlZCBpdCB1cCBvcmlnaW5hbGx5LgogCj4gIAkJCWF1eC0+aTJjX25hY2tfY291bnQr KzsKPiAgCQkJcmV0dXJuIC1FUkVNT1RFSU87Cj4gIAo+ICAJCWNhc2UgRFBfQVVYX0kyQ19SRVBM WV9ERUZFUjoKPiAtCQkJRFJNX0RFQlVHX0tNUygiSTJDIGRlZmVyXG4iKTsKPiArCQkJRFJNX0RF QlVHX0RQQ0QoIkkyQyBkZWZlclxuIik7Cj4gIAkJCS8qIERQIENvbXBsaWFuY2UgVGVzdCA0LjIu Mi41IFJlcXVpcmVtZW50Ogo+ICAJCQkgKiBNdXN0IGhhdmUgYXQgbGVhc3QgNyByZXRyaWVzIGZv ciBJMkMgZGVmZXJzIG9uIHRoZQo+ICAJCQkgKiB0cmFuc2FjdGlvbiB0byBwYXNzIHRoaXMgdGVz dAo+IEBAIC02MjYsNyArNjY2LDcgQEAgc3RhdGljIGludCBkcm1fZHBfaTJjX2RvX21zZyhzdHJ1 Y3QgZHJtX2RwX2F1eCAqYXV4LCBzdHJ1Y3QgZHJtX2RwX2F1eF9tc2cgKm1zZykKPiAgCQl9Cj4g IAl9Cj4gIAo+IC0JRFJNX0RFQlVHX0tNUygidG9vIG1hbnkgcmV0cmllcywgZ2l2aW5nIHVwXG4i KTsKPiArCURSTV9FUlJPUigiSTJDOiB0b28gbWFueSByZXRyaWVzLCBnaXZpbmcgdXBcbiIpOwo+ ICAJcmV0dXJuIC1FUkVNT1RFSU87Cj4gIH0KPiAgCj4gQEAgLTY1NCw3ICs2OTQsNyBAQCBzdGF0 aWMgaW50IGRybV9kcF9pMmNfZHJhaW5fbXNnKHN0cnVjdCBkcm1fZHBfYXV4ICphdXgsIHN0cnVj dCBkcm1fZHBfYXV4X21zZyAqbwo+ICAJCQlyZXR1cm4gZXJyID09IDAgPyAtRVBST1RPIDogZXJy Owo+ICAKPiAgCQlpZiAoZXJyIDwgbXNnLnNpemUgJiYgZXJyIDwgcmV0KSB7Cj4gLQkJCURSTV9E RUJVR19LTVMoIlBhcnRpYWwgSTJDIHJlcGx5OiByZXF1ZXN0ZWQgJXp1IGJ5dGVzIGdvdCAlZCBi eXRlc1xuIiwKPiArCQkJRFJNX0RFQlVHX0RQQ0QoIlBhcnRpYWwgSTJDIHJlcGx5OiByZXF1ZXN0 ZWQgJXp1IGJ5dGVzIGdvdCAlZCBieXRlc1xuIiwKPiAgCQkJCSAgICAgIG1zZy5zaXplLCBlcnIp Owo+ICAJCQlyZXQgPSBlcnI7Cj4gIAkJfQo+IGRpZmYgLS1naXQgYS9pbmNsdWRlL2RybS9kcm1Q LmggYi9pbmNsdWRlL2RybS9kcm1QLmgKPiBpbmRleCAwYTI3MWNhLi5hYzRkNjIyIDEwMDY0NAo+ IC0tLSBhL2luY2x1ZGUvZHJtL2RybVAuaAo+ICsrKyBiL2luY2x1ZGUvZHJtL2RybVAuaAo+IEBA IC0xMTAsNiArMTEwLDggQEAgc3RydWN0IGRtYV9idWZfYXR0YWNobWVudDsKPiAgICogVkJMOiB1 c2VkIGZvciB2ZXJib3NlIGRlYnVnIG1lc3NhZ2UgaW4gdGhlIHZibGFuayBjb2RlCj4gICAqCSAg VGhpcyBpcyB0aGUgY2F0ZWdvcnkgdXNlZCBieSB0aGUgRFJNX0RFQlVHX1ZCTCgpIG1hY3JvLgo+ ICAgKgo+ICsgKiBEUENEOiB1c2VkIHRvIGxvZyAoZGlzcGxheXBvcnQpIERQQ0QgbWVzc2FnZXMK PiArICoKPiAgICogRW5hYmxpbmcgdmVyYm9zZSBkZWJ1ZyBtZXNzYWdlcyBpcyBkb25lIHRocm91 Z2ggdGhlIGRybS5kZWJ1ZyBwYXJhbWV0ZXIsCj4gICAqIGVhY2ggY2F0ZWdvcnkgYmVpbmcgZW5h YmxlZCBieSBhIGJpdC4KPiAgICoKPiBAQCAtMTE3LDcgKzExOSw3IEBAIHN0cnVjdCBkbWFfYnVm X2F0dGFjaG1lbnQ7Cj4gICAqIGRybS5kZWJ1Zz0weDIgd2lsbCBlbmFibGUgRFJJVkVSIG1lc3Nh Z2VzCj4gICAqIGRybS5kZWJ1Zz0weDMgd2lsbCBlbmFibGUgQ09SRSBhbmQgRFJJVkVSIG1lc3Nh Z2VzCj4gICAqIC4uLgo+IC0gKiBkcm0uZGVidWc9MHgzZiB3aWxsIGVuYWJsZSBhbGwgbWVzc2Fn ZXMKPiArICogZHJtLmRlYnVnPTB4N2Ygd2lsbCBlbmFibGUgYWxsIG1lc3NhZ2VzCj4gICAqCj4g ICAqIEFuIGludGVyZXN0aW5nIGZlYXR1cmUgaXMgdGhhdCBpdCdzIHBvc3NpYmxlIHRvIGVuYWJs ZSB2ZXJib3NlIGxvZ2dpbmcgYXQKPiAgICogcnVuLXRpbWUgYnkgZWNob2luZyB0aGUgZGVidWcg dmFsdWUgaW4gaXRzIHN5c2ZzIG5vZGU6Cj4gQEAgLTEyOSw2ICsxMzEsNyBAQCBzdHJ1Y3QgZG1h X2J1Zl9hdHRhY2htZW50Owo+ICAjZGVmaW5lIERSTV9VVF9QUklNRQkJMHgwOAo+ICAjZGVmaW5l IERSTV9VVF9BVE9NSUMJCTB4MTAKPiAgI2RlZmluZSBEUk1fVVRfVkJMCQkweDIwCj4gKyNkZWZp bmUgRFJNX1VUX0RQQ0QJCTB4NDAKPiAgCj4gIGV4dGVybiBfX3ByaW50ZigyLCAzKQo+ICB2b2lk IGRybV91dF9kZWJ1Z19wcmludGsoY29uc3QgY2hhciAqZnVuY3Rpb25fbmFtZSwKPiBAQCAtMjI2 LDYgKzIyOSwxMSBAQCB2b2lkIGRybV9lcnIoY29uc3QgY2hhciAqZm9ybWF0LCAuLi4pOwo+ICAJ CWlmICh1bmxpa2VseShkcm1fZGVidWcgJiBEUk1fVVRfVkJMKSkJCQlcCj4gIAkJCWRybV91dF9k ZWJ1Z19wcmludGsoX19mdW5jX18sIGZtdCwgIyNhcmdzKTsJXAo+ICAJfSB3aGlsZSAoMCkKPiAr I2RlZmluZSBEUk1fREVCVUdfRFBDRChmbXQsIGFyZ3MuLi4pCQkJCQlcCj4gKwlkbyB7CQkJCQkJ CQlcCj4gKwkJaWYgKHVubGlrZWx5KGRybV9kZWJ1ZyAmIERSTV9VVF9EUENEKSkJCQlcCj4gKwkJ CWRybV91dF9kZWJ1Z19wcmludGsoX19mdW5jX18sIGZtdCwgIyNhcmdzKTsJXAo+ICsJfSB3aGls ZSAoMCkKPiAgCj4gIC8qQH0qLwo+ICAKPiAtLSAKPiAyLjUuMAo+IAo+IF9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gZHJpLWRldmVsIG1haWxpbmcgbGlz dAo+IGRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBodHRwOi8vbGlzdHMuZnJlZWRl c2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCgotLSAKVmlsbGUgU3lyasOkbMOk CkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=