From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] [V4] drm/i915: Enable VBT based BL control for DP Date: Wed, 21 Feb 2018 09:38:06 +0200 Message-ID: <87d10ydc81.fsf@intel.com> References: <1519119779-144332-1-git-send-email-mustamin.b.mustaffa@intel.com> <20180221064304.29228-1-mustamin.b.mustaffa@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by gabe.freedesktop.org (Postfix) with ESMTPS id AF16B6E518 for ; Wed, 21 Feb 2018 07:38:37 +0000 (UTC) In-Reply-To: <20180221064304.29228-1-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 T24gV2VkLCAyMSBGZWIgMjAxOCwgTXVzdGFtaW4gQiBNdXN0YWZmYSA8bXVzdGFtaW4uYi5tdXN0 YWZmYUBpbnRlbC5jb20+IHdyb3RlOgo+IEN1cnJlbnRseSwgQlhUX1BQIGlzIGhhcmRjb2RlZCB3 aXRoIHZhbHVlICcwJy4KPiBJdCBwcmFjdGljYWxseSBkaXNhYmxlZCBlRFAgYmFja2xpZ2h0IG9u IE1SQiAoQlhUKSBwbGF0Zm9ybS4KPgo+IFRoaXMgcGF0Y2ggd2lsbCB0ZWxsIHdoaWNoIEJYVF9Q UCByZWdpc3RlcnMgKHRoZXJlIGFyZSB0d28gc2V0IG9mCj4gUFBfQ09OVFJPTCBpbiB0aGUgc3Bl YykgdG8gYmUgdXNlZCBhcyBkZWZpbmVkIGluIFZCVCAoVmlkZW8gQmlvcyBUaW1pbmcKPiB0YWJs ZSkgYW5kIHRoaXMgd2lsbCBlbmFibGVkIGVEUCBiYWNrbGlnaHQgY29udHJvbGxlciBvbiBNUkIg KEJYVCkKPiBwbGF0Zm9ybS4KPgo+IHYyOgo+ICAtIFJlbW92ZSB1bm5lY2Vzc2FyeSBpbmZvcm1h dGlvbiBpbiBjb21taXQgbWVzc2FnZS4KPiAgLSBBc3NpZ24gdmJ0LmJhY2tsaWdodC5jb250cm9s bGVyIHRvIGEgYmFja2xpZ2h0X2NvbnRyb2xsZXIgdmFyaWFibGUgYW5kCj4gICAgcmV0dXJuIHRo ZSB2YXJpYWJsZSB2YWx1ZS4KPiB2MzoKPiAgLSBSZWJhc2VkIHRvIGxhdGVzdCBjb2RlIGJhc2Uu Cj4gIC0gdXBkYXRlZCBjb21taXQgdGl0bGUuCj4gVjQ6Cj4gIC0gVXNlIHNhbml0aXplZCBwYW5l bCBiYWNrbGlnaHQgY29udHJvbGxlciBpbnN0ZWFkIG9mIHZidCBiYWNrbGlnaHQKPiAgICBjb250 cm9sbGVyCgpJIHRob3VnaHQgd2UgY29uY2x1ZGVkIGluIHRoZSBlYXJsaWVyIHRocmVhZCBhbHJl YWR5IHRoYXQgaXQgd2lsbCBub3QgYmUKc2FuaXRpemVkIG9yIGluaXRpYWxpemVkIHdoZW4geW91 IGFjdHVhbGx5IG5lZWQgaXQuCgpCUiwKSmFuaS4KCgoKPgo+IFNpZ25lZC1vZmYtYnk6IE11c3Rh bWluIEIgTXVzdGFmZmEgPG11c3RhbWluLmIubXVzdGFmZmFAaW50ZWwuY29tPgo+IC0tLQo+ICBk cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgMTIgKysrKystLS0tLS0tCj4gIDEgZmls ZSBjaGFuZ2VkLCA1IGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMKPiBpbmRleCAxODY4ZjczZjczMGMuLmI5MDY4YmQxOTQzZiAxMDA2NDQKPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZHAuYwo+IEBAIC02NTUsMTggKzY1NSwxNiBAQCBieHRfcG93ZXJfc2Vx dWVuY2VyX2lkeChzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICB7Cj4gIAlzdHJ1Y3QgZHJt X2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSB0b19pOTE1KGludGVsX2RwX3RvX2RldihpbnRlbF9k cCkpOwo+ICAKPiArCWludCBiYWNrbGlnaHRfY29udHJvbGxlciA9Cj4gKwkJaW50ZWxfZHAtPmF0 dGFjaGVkX2Nvbm5lY3Rvci0+cGFuZWwuYmFja2xpZ2h0LmNvbnRyb2xsZXI7Cj4gKwo+ICAJbG9j a2RlcF9hc3NlcnRfaGVsZCgmZGV2X3ByaXYtPnBwc19tdXRleCk7Cj4gIAo+ICAJLyogV2Ugc2hv dWxkIG5ldmVyIGxhbmQgaGVyZSB3aXRoIHJlZ3VsYXIgRFAgcG9ydHMgKi8KPiAgCVdBUk5fT04o IWludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkpOwo+ICAKPiAtCS8qCj4gLQkgKiBUT0RPOiBCWFQg aGFzIDIgUFBTIGluc3RhbmNlcy4gVGhlIGNvcnJlY3QgcG9ydC0+UFBTIGluc3RhbmNlCj4gLQkg KiBtYXBwaW5nIG5lZWRzIHRvIGJlIHJldHJpZXZlZCBmcm9tIFZCVCwgZm9yIG5vdyBqdXN0IGhh cmQtY29kZSB0bwo+IC0JICogdXNlIGluc3RhbmNlICMwIGFsd2F5cy4KPiAtCSAqLwo+ICAJaWYg KCFpbnRlbF9kcC0+cHBzX3Jlc2V0KQo+IC0JCXJldHVybiAwOwo+ICsJCXJldHVybiBiYWNrbGln aHRfY29udHJvbGxlcjsKPiAgCj4gIAlpbnRlbF9kcC0+cHBzX3Jlc2V0ID0gZmFsc2U7Cj4gIAo+ IEBAIC02NzYsNyArNjc0LDcgQEAgYnh0X3Bvd2VyX3NlcXVlbmNlcl9pZHgoc3RydWN0IGludGVs X2RwICppbnRlbF9kcCkKPiAgCSAqLwo+ICAJaW50ZWxfZHBfaW5pdF9wYW5lbF9wb3dlcl9zZXF1 ZW5jZXJfcmVnaXN0ZXJzKGludGVsX2RwLCBmYWxzZSk7Cj4gIAo+IC0JcmV0dXJuIDA7Cj4gKwly ZXR1cm4gYmFja2xpZ2h0X2NvbnRyb2xsZXI7Cj4gIH0KPiAgCj4gIHR5cGVkZWYgYm9vbCAoKnZs dl9waXBlX2NoZWNrKShzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCgotLSAKSmFu aSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxp c3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=