From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] [V3] drm/i915: Enable VBT based BL control for DP Date: Wed, 28 Feb 2018 11:42:10 +0200 Message-ID: <87h8q1v4b1.fsf@intel.com> References: <20180227024702.5985-1-mustamin.b.mustaffa@intel.com> <20180227030734.37901-1-mustamin.b.mustaffa@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id EF46A6E092 for ; Wed, 28 Feb 2018 09:41:12 +0000 (UTC) In-Reply-To: <20180227030734.37901-1-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 T24gVHVlLCAyNyBGZWIgMjAxOCwgTXVzdGFtaW4gQiBNdXN0YWZmYSA8bXVzdGFtaW4uYi5tdXN0 YWZmYUBpbnRlbC5jb20+IHdyb3RlOgo+IEN1cnJlbnRseSwgQlhUX1BQIGlzIGhhcmRjb2RlZCB3 aXRoIHZhbHVlICcwJy4KPiBJdCBwcmFjdGljYWxseSBkaXNhYmxlZCBlRFAgYmFja2xpZ2h0IG9u IE1SQiAoQlhUKSBwbGF0Zm9ybS4KPgo+IFRoaXMgcGF0Y2ggd2lsbCB0ZWxsIHdoaWNoIEJYVF9Q UCByZWdpc3RlcnMgKHRoZXJlIGFyZSB0d28gc2V0IG9mCj4gUFBfQ09OVFJPTCBpbiB0aGUgc3Bl YykgdG8gYmUgdXNlZCBhcyBkZWZpbmVkIGluIFZCVCAoVmlkZW8gQmlvcyBUaW1pbmcKPiB0YWJs ZSkgYW5kIHRoaXMgd2lsbCBlbmFibGVkIGVEUCBiYWNrbGlnaHQgY29udHJvbGxlciBvbiBNUkIg KEJYVCkKPiBwbGF0Zm9ybS4KPgo+IHYyOgo+ICAtIFJlbW92ZSB1bm5lY2Vzc2FyeSBpbmZvcm1h dGlvbiBpbiBjb21taXQgbWVzc2FnZS4KPiAgLSBBc3NpZ24gdmJ0LmJhY2tsaWdodC5jb250cm9s bGVyIHRvIGEgYmFja2xpZ2h0X2NvbnRyb2xsZXIgdmFyaWFibGUgYW5kCj4gICAgcmV0dXJuIHRo ZSB2YXJpYWJsZSB2YWx1ZS4KPiB2MzoKPiAgLSBSZWJhc2VkIHRvIGxhdGVzdCBjb2RlIGJhc2Uu Cj4gIC0gdXBkYXRlZCBjb21taXQgdGl0bGUuCj4KPiBTaWduZWQtb2ZmLWJ5OiBNdXN0YW1pbiBC IE11c3RhZmZhIDxtdXN0YW1pbi5iLm11c3RhZmZhQGludGVsLmNvbT4KClB1c2hlZCB0byBkaW5x LCB0aGFua3MgZm9yIHRoZSBwYXRjaC4KCkJSLApKYW5pLgoKPiAtLS0KPiAgZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZHAuYyB8IDExICsrKystLS0tLS0tCj4gIDEgZmlsZSBjaGFuZ2VkLCA0 IGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMK PiBpbmRleCA0NzVhMTlkNzZhNDkuLjIwZTNmY2QyYmY3ZSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfZHAuYwo+IEBAIC02NTUsMTggKzY1NSwxNSBAQCBieHRfcG93ZXJfc2VxdWVuY2VyX2lkeChz dHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICB7Cj4gIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0 ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGludGVsX2RwX3RvX2RldihpbnRlbF9kcCkpOwo+ICAKPiAr CWludCBiYWNrbGlnaHRfY29udHJvbGxlciA9IGRldl9wcml2LT52YnQuYmFja2xpZ2h0LmNvbnRy b2xsZXI7Cj4gKwo+ICAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmZGV2X3ByaXYtPnBwc19tdXRleCk7 Cj4gIAo+ICAJLyogV2Ugc2hvdWxkIG5ldmVyIGxhbmQgaGVyZSB3aXRoIHJlZ3VsYXIgRFAgcG9y dHMgKi8KPiAgCVdBUk5fT04oIWludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkpOwo+ICAKPiAtCS8q Cj4gLQkgKiBUT0RPOiBCWFQgaGFzIDIgUFBTIGluc3RhbmNlcy4gVGhlIGNvcnJlY3QgcG9ydC0+ UFBTIGluc3RhbmNlCj4gLQkgKiBtYXBwaW5nIG5lZWRzIHRvIGJlIHJldHJpZXZlZCBmcm9tIFZC VCwgZm9yIG5vdyBqdXN0IGhhcmQtY29kZSB0bwo+IC0JICogdXNlIGluc3RhbmNlICMwIGFsd2F5 cy4KPiAtCSAqLwo+ICAJaWYgKCFpbnRlbF9kcC0+cHBzX3Jlc2V0KQo+IC0JCXJldHVybiAwOwo+ ICsJCXJldHVybiBiYWNrbGlnaHRfY29udHJvbGxlcjsKPiAgCj4gIAlpbnRlbF9kcC0+cHBzX3Jl c2V0ID0gZmFsc2U7Cj4gIAo+IEBAIC02NzYsNyArNjczLDcgQEAgYnh0X3Bvd2VyX3NlcXVlbmNl cl9pZHgoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiAgCSAqLwo+ICAJaW50ZWxfZHBfaW5p dF9wYW5lbF9wb3dlcl9zZXF1ZW5jZXJfcmVnaXN0ZXJzKGludGVsX2RwLCBmYWxzZSk7Cj4gIAo+ IC0JcmV0dXJuIDA7Cj4gKwlyZXR1cm4gYmFja2xpZ2h0X2NvbnRyb2xsZXI7Cj4gIH0KPiAgCj4g IHR5cGVkZWYgYm9vbCAoKnZsdl9waXBlX2NoZWNrKShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYsCgotLSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kg Q2VudGVyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklu dGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=