From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clint Taylor Subject: Re: [PATCH] drm/i915/hdmi: Initialize SCDC registers according to spec Date: Mon, 15 Oct 2018 09:30:25 -0700 Message-ID: <6aacce0a-9307-b002-6ee8-a66d692a2d59@intel.com> References: <1539375285-1489-1-git-send-email-clinton.a.taylor@intel.com> <20181015134143.GY9144@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 456EE89FD3 for ; Mon, 15 Oct 2018 16:29:30 +0000 (UTC) In-Reply-To: <20181015134143.GY9144@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 List-Id: intel-gfx@lists.freedesktop.org CgpPbiAxMC8xNS8yMDE4IDA2OjQxIEFNLCBWaWxsZSBTeXJqw6Rsw6Qgd3JvdGU6Cj4gT24gRnJp LCBPY3QgMTIsIDIwMTggYXQgMDE6MTQ6NDVQTSAtMDcwMCwgY2xpbnRvbi5hLnRheWxvckBpbnRl bC5jb20gd3JvdGU6Cj4+IEZyb206IENsaW50IFRheWxvciA8Y2xpbnRvbi5hLnRheWxvckBpbnRl bC5jb20+Cj4+Cj4+IEluaXRpYWxpemUgU0NEQyBTb3VyY2UgVmVyc2lvbiBhbmQgVERNU19Db25m aWdfMCByZWdpc3RlcnMgdG8gbm9taW5hbAo+PiB2YWx1ZXMgZHVyaW5nIGludGVsX2hkbWlfZGV0 ZWN0KCkuIFRoZSBpOTE1IGRyaXZlciBjdXJyZW50bHkgZG9lc24ndAo+PiBpbXBsZW1lbnQgZmVh dHVyZXMgdGhhdCByZXF1aXJlIHBvbGxpbmcgb2YgdGhlIHN0YXR1cyB1cGRhdGUgYml0cy4gT25j ZQo+PiBGUkwsIERTQywgb3IgU291cmNlIFRlc3QgaXMgZW5hYmxlZCBpbiB0aGUgZHJpdmVyIHRo ZSBzdGF0dXMgZmxhZ3Mgd2lsbAo+PiBuZWVkIHRvIGJlIHJlYWQgYnkgdGhlIHNvdXJjZSBhY2Nv cmRpbmcgdG8gc3BlY2lmaWNhdGlvbi4KPj4KPj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUu c3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4+IFNpZ25lZC1vZmYtYnk6IENsaW50IFRheWxvciA8 Y2xpbnRvbi5hLnRheWxvckBpbnRlbC5jb20+Cj4+IC0tLQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2hkbWkuYyB8IDEyICsrKysrKysrKysrKwo+PiAgIDEgZmlsZSBjaGFuZ2VkLCAx MiBpbnNlcnRpb25zKCspCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9oZG1pLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMKPj4gaW5kZXgg MmM1M2VmYy4uYWIzZWFjNSAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfaGRtaS5jCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkbWkuYwo+PiBA QCAtMTkxMCw2ICsxOTEwLDggQEAgYm9vbCBpbnRlbF9oZG1pX2NvbXB1dGVfY29uZmlnKHN0cnVj dCBpbnRlbF9lbmNvZGVyICplbmNvZGVyLAo+PiAgIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYgPSB0b19pOTE1KGNvbm5lY3Rvci0+ZGV2KTsKPj4gICAJc3RydWN0IGludGVsX2hk bWkgKmludGVsX2hkbWkgPSBpbnRlbF9hdHRhY2hlZF9oZG1pKGNvbm5lY3Rvcik7Cj4+ICAgCXN0 cnVjdCBpbnRlbF9lbmNvZGVyICplbmNvZGVyID0gJmhkbWlfdG9fZGlnX3BvcnQoaW50ZWxfaGRt aSktPmJhc2U7Cj4+ICsJc3RydWN0IGkyY19hZGFwdGVyICphZGFwdGVyID0KPj4gKwkJaW50ZWxf Z21idXNfZ2V0X2FkYXB0ZXIoZGV2X3ByaXYsIGludGVsX2hkbWktPmRkY19idXMpOwo+PiAgIAo+ PiAgIAlEUk1fREVCVUdfS01TKCJbQ09OTkVDVE9SOiVkOiVzXVxuIiwKPj4gICAJCSAgICAgIGNv bm5lY3Rvci0+YmFzZS5pZCwgY29ubmVjdG9yLT5uYW1lKTsKPj4gQEAgLTE5MjUsNiArMTkyNywx NiBAQCBib29sIGludGVsX2hkbWlfY29tcHV0ZV9jb25maWcoc3RydWN0IGludGVsX2VuY29kZXIg KmVuY29kZXIsCj4+ICAgCWlmIChpbnRlbF9oZG1pX3NldF9lZGlkKGNvbm5lY3RvcikpCj4+ICAg CQlzdGF0dXMgPSBjb25uZWN0b3Jfc3RhdHVzX2Nvbm5lY3RlZDsKPj4gICAKPj4gKwlpZiAoY29u bmVjdG9yLT5kaXNwbGF5X2luZm8uaGRtaS5zY2RjLnN1cHBvcnRlZCkgewo+PiArCQkvKiBTQ0RD IHNvdXJjZSB2ZXJzaW9uIEhETUkgMi4xIFNlYy4gMTAuNC4xLjIgKi8KPj4gKwkJaWYgKGRybV9z Y2RjX3dyaXRlYihhZGFwdGVyLCBTQ0RDX1NPVVJDRV9WRVJTSU9OLCAweDAxKSA8IDApCj4+ICsJ CQlEUk1fREVCVUdfS01TKCJVbmFibGUgdG8gc2V0IFNDREMgU291cmNlIFZlcnNpb24gcmVnaXN0 ZXJcbiIpOwo+PiArCj4+ICsJCS8qIENsZWFyIFNDREMgQ09ORklHXzAgSERNSSAyLjEgU2VjLiAx MC40LjEuNiAtIFJSX0VuYWJsZSBQb2xsaW5nIE9ubHkgKi8KPj4gKwkJaWYgKGRybV9zY2RjX3dy aXRlYihhZGFwdGVyLCBTQ0RDX0NPTkZJR18wLCAweDAwKSA8IDApCj4+ICsJCQlEUk1fREVCVUdf S01TKCJVbmFibGUgdG8gc2V0IFNDREMgQ09ORklHXzAgcmVnaXN0ZXJcbiIpOwo+PiArCX0KPiBJ J2QgcHJvYmFibHkgcHV0IHRoaXMgaW50byBpbnRlbF9oZG1pX3NldF9lZGlkKCkgc28gdGhhdCB3 ZSdsbCBkbyBpdCBmb3IKPiB0aGUgLT5mb3JjZSgpIHBhdGggYXMgd2VsbC4gT3IgbWF5YmUgYSBz ZXBhcmF0ZSBmdW5jdGlvbiBjYWxsZWQgZnJvbQo+IGJvdGggcGxhY2VzLgppbnRlbF9oZG1pX3Nl dF9lZGlkKCkgZG9lc24ndCBhY3R1YWxseSBkZWNvZGUgdGhlIGVkaWQgYmxvY2sgdGhhdCBpdCAK cmVhZHMuIFRoaXMgbWVhbnMKZGlzcGxheV9pbmZvLmhkbWkuc2NkYy5zdXBwb3J0ZWQgaXNuJ3Qg ZnJvbSB0aGUgbmV3IEVESUQgYmxvY2suIEkgaGF2ZSBhIApwYXRjaCBpbiBteSBzYW5kYm94IHRv IHNlbmQgdGhlIG5ldyBFRElEIGJsb2NrIHRvIERSTSB0byBiZSBkZWNvZGVkLgoKLUNsaW50Cgo+ PiArCj4+ICAgb3V0Ogo+PiAgIAlpbnRlbF9kaXNwbGF5X3Bvd2VyX3B1dChkZXZfcHJpdiwgUE9X RVJfRE9NQUlOX0dNQlVTKTsKPj4gICAKPj4gLS0gCj4+IDEuOS4xCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0Cklu dGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK