From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/bxt: Enable VBT based BL control for DP (v2) Date: Tue, 16 Jan 2018 12:02:54 +0200 Message-ID: <87inc22ka9.fsf@intel.com> References: <1515551113-174246-1-git-send-email-mustamin.b.mustaffa@intel.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 ESMTPS id 3E6C96E1BF for ; Tue, 16 Jan 2018 09:58:05 +0000 (UTC) In-Reply-To: <1515551113-174246-1-git-send-email-mustamin.b.mustaffa@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org Cc: Mustamin B Mustaffa List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAxMCBKYW4gMjAxOCwgTXVzdGFtaW4gQiBNdXN0YWZmYSA8bXVzdGFtaW4uYi5tdXN0 YWZmYUBpbnRlbC5jb20+IHdyb3RlOgo+IEN1cnJlbnRseSwgQlhUX1BQIGlzIGhhcmRjb2RlZCB3 aXRoIHZhbHVlICcwJy4KPiBJdCBwcmFjdGljYWxseSBkaXNhYmxlZCBlRFAgYmFja2xpZ2h0IG9u IE1SQiAoQlhUKSBwbGF0Zm9ybS4KPgo+IFRoaXMgcGF0Y2ggd2lsbCB0ZWxsIHdoaWNoIEJYVF9Q UCByZWdpc3RlcnMgKHRoZXJlIGFyZSB0d28gc2V0IG9mIFBQX0NPTlRST0wgaW4gdGhlIHNwZWMp Cj4gdG8gYmUgdXNlZCBhcyBkZWZpbmVkIGluIFZCVCAoVmlkZW8gQmlvcyBUaW1pbmcgdGFibGUp IGFuZCB0aGlzIHdpbGwgZW5hYmxlZCBlRFAKPiBiYWNrbGlnaHQgY29udHJvbGxlciBvbiBNUkIg KEJYVCkgcGxhdGZvcm0uCj4KPiB2MjoKPiAgLSBSZW1vdmUgdW5uZWNlc3NhcnkgaW5mb3JtYXRp b24gaW4gY29tbWl0IG1lc3NhZ2UKPiAgLSBBc3NpZ24gdmJ0LmJhY2tsaWdodC5jb250cm9sbGVy IHRvIGEgYmFja2xpZ2h0X2NvbnRyb2xsZXIgdmFyaWFibGUgYW5kIHJldHVybgo+ICAgIHRoZSB2 YXJpYWJsZSB2YWx1ZS4KPgo+IFNpZ25lZC1vZmYtYnk6IE11c3RhbWluIEIgTXVzdGFmZmEgPG11 c3RhbWluLmIubXVzdGFmZmFAaW50ZWwuY29tPgo+IC0tLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kcC5jIHwgMTAgKysrLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRp b25zKCspLCA3IGRlbGV0aW9ucygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2RwLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gaW5kZXgg MDlmMjc0NC4uZTAwNTY5ZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9kcC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+IEBAIC02NDAs MTkgKzY0MCwxNSBAQCBzdGF0aWMgZW51bSBwaXBlIHZsdl9maW5kX2ZyZWVfcHBzKHN0cnVjdCBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiAgCXN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQg KmludGVsX2RpZ19wb3J0ID0gZHBfdG9fZGlnX3BvcnQoaW50ZWxfZHApOwo+ICAJc3RydWN0IGRy bV9kZXZpY2UgKmRldiA9IGludGVsX2RpZ19wb3J0LT5iYXNlLmJhc2UuZGV2Owo+ICAJc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gdG9faTkxNShkZXYpOwo+ICsJaW50IGJhY2ts aWdodF9jb250cm9sbGVyID0gZGV2X3ByaXYtPnZidC5iYWNrbGlnaHQuY29udHJvbGxlcjsKCllv dSBuZWVkIHRvIGxvb2sgYXQgY29ubmVjdG9yLT5wYW5lbC0+YmFja2xpZ2h0LT5jb250cm9sbGVy Cmluc3RlYWQuIFRoaXMgZ2V0cyBpbml0aWFsaXplZCB0byB0aGUgdmJ0IHZhbHVlLCBidXQgd2Ug b25seSB1c2UgdGhlIHZidAppbmZvcm1hdGlvbiBpbiBieHRfc2V0dXBfYmFja2xpZ2h0KCkuCgpC UiwKSmFuaS4KCj4gIAo+ICAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmZGV2X3ByaXYtPnBwc19tdXRl eCk7Cj4gIAo+ICAJLyogV2Ugc2hvdWxkIG5ldmVyIGxhbmQgaGVyZSB3aXRoIHJlZ3VsYXIgRFAg cG9ydHMgKi8KPiAgCVdBUk5fT04oIWlzX2VkcChpbnRlbF9kcCkpOwo+ICAKPiAtCS8qCj4gLQkg KiBUT0RPOiBCWFQgaGFzIDIgUFBTIGluc3RhbmNlcy4gVGhlIGNvcnJlY3QgcG9ydC0+UFBTIGlu c3RhbmNlCj4gLQkgKiBtYXBwaW5nIG5lZWRzIHRvIGJlIHJldHJpZXZlZCBmcm9tIFZCVCwgZm9y IG5vdyBqdXN0IGhhcmQtY29kZSB0bwo+IC0JICogdXNlIGluc3RhbmNlICMwIGFsd2F5cy4KPiAt CSAqLwo+ICAJaWYgKCFpbnRlbF9kcC0+cHBzX3Jlc2V0KQo+IC0JCXJldHVybiAwOwo+ICsJCXJl dHVybiBiYWNrbGlnaHRfY29udHJvbGxlcjsKPiAgCj4gIAlpbnRlbF9kcC0+cHBzX3Jlc2V0ID0g ZmFsc2U7Cj4gIAo+IEBAIC02NjIsNyArNjU4LDcgQEAgc3RhdGljIGVudW0gcGlwZSB2bHZfZmlu ZF9mcmVlX3BwcyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gIAkgKi8KPiAg CWludGVsX2RwX2luaXRfcGFuZWxfcG93ZXJfc2VxdWVuY2VyX3JlZ2lzdGVycyhkZXYsIGludGVs X2RwLCBmYWxzZSk7Cj4gIAo+IC0JcmV0dXJuIDA7Cj4gKwlyZXR1cm4gYmFja2xpZ2h0X2NvbnRy b2xsZXI7Cj4gIH0KPiAgCj4gIHR5cGVkZWYgYm9vbCAoKnZsdl9waXBlX2NoZWNrKShzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4g U291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=