From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mustamin B Mustaffa Subject: [PATCH] drm/i915: Enable VBT based BL control for DP (v3) Date: Tue, 20 Feb 2018 10:46:45 +0800 Message-ID: <1519094805-74888-1-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 mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id ECDBA89220 for ; Tue, 20 Feb 2018 02:45:54 +0000 (UTC) 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 Q3VycmVudGx5LCBCWFRfUFAgaXMgaGFyZGNvZGVkIHdpdGggdmFsdWUgJzAnLgpJdCBwcmFjdGlj YWxseSBkaXNhYmxlZCBlRFAgYmFja2xpZ2h0IG9uIE1SQiAoQlhUKSBwbGF0Zm9ybS4KClRoaXMg cGF0Y2ggd2lsbCB0ZWxsIHdoaWNoIEJYVF9QUCByZWdpc3RlcnMgKHRoZXJlIGFyZSB0d28gc2V0 IG9mIFBQX0NPTlRST0wgaW4gdGhlIHNwZWMpCnRvIGJlIHVzZWQgYXMgZGVmaW5lZCBpbiBWQlQg KFZpZGVvIEJpb3MgVGltaW5nIHRhYmxlKSBhbmQgdGhpcyB3aWxsIGVuYWJsZWQgZURQCmJhY2ts aWdodCBjb250cm9sbGVyIG9uIE1SQiAoQlhUKSBwbGF0Zm9ybS4KCnYyOgogLSBSZW1vdmUgdW5u ZWNlc3NhcnkgaW5mb3JtYXRpb24gaW4gY29tbWl0IG1lc3NhZ2UuCiAtIEFzc2lnbiB2YnQuYmFj a2xpZ2h0LmNvbnRyb2xsZXIgdG8gYSBiYWNrbGlnaHRfY29udHJvbGxlciB2YXJpYWJsZSBhbmQg cmV0dXJuCiAgIHRoZSB2YXJpYWJsZSB2YWx1ZS4KdjM6CiAtIFJlYmFzZWQgdG8gbGF0ZXN0IGNv ZGUgYmFzZS4KIC0gdXBkYXRlZCBjb21taXQgdGl0bGUuCgpTaWduZWQtb2ZmLWJ5OiBNdXN0YW1p biBCIE11c3RhZmZhIDxtdXN0YW1pbi5iLm11c3RhZmZhQGludGVsLmNvbT4KLS0tCiBkcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgMTEgKysrKy0tLS0tLS0KIDEgZmlsZSBjaGFuZ2Vk LCA0IGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMK aW5kZXggMTg2OGY3My4uZjliOTIyZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHAuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jCkBAIC02NTUs MTggKzY1NSwxNSBAQCBzdGF0aWMgZW51bSBwaXBlIHZsdl9maW5kX2ZyZWVfcHBzKHN0cnVjdCBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAq ZGV2X3ByaXYgPSB0b19pOTE1KGludGVsX2RwX3RvX2RldihpbnRlbF9kcCkpOwogCisgICAgICAg IGludCBiYWNrbGlnaHRfY29udHJvbGxlciA9IGRldl9wcml2LT52YnQuYmFja2xpZ2h0LmNvbnRy b2xsZXI7CisKIAlsb2NrZGVwX2Fzc2VydF9oZWxkKCZkZXZfcHJpdi0+cHBzX211dGV4KTsKIAog CS8qIFdlIHNob3VsZCBuZXZlciBsYW5kIGhlcmUgd2l0aCByZWd1bGFyIERQIHBvcnRzICovCiAJ V0FSTl9PTighaW50ZWxfZHBfaXNfZWRwKGludGVsX2RwKSk7CiAKLQkvKgotCSAqIFRPRE86IEJY VCBoYXMgMiBQUFMgaW5zdGFuY2VzLiBUaGUgY29ycmVjdCBwb3J0LT5QUFMgaW5zdGFuY2UKLQkg KiBtYXBwaW5nIG5lZWRzIHRvIGJlIHJldHJpZXZlZCBmcm9tIFZCVCwgZm9yIG5vdyBqdXN0IGhh cmQtY29kZSB0bwotCSAqIHVzZSBpbnN0YW5jZSAjMCBhbHdheXMuCi0JICovCiAJaWYgKCFpbnRl bF9kcC0+cHBzX3Jlc2V0KQotCQlyZXR1cm4gMDsKKwkJcmV0dXJuIGJhY2tsaWdodF9jb250cm9s bGVyOwogCiAJaW50ZWxfZHAtPnBwc19yZXNldCA9IGZhbHNlOwogCkBAIC02NzYsNyArNjczLDcg QEAgc3RhdGljIGVudW0gcGlwZSB2bHZfZmluZF9mcmVlX3BwcyhzdHJ1Y3QgZHJtX2k5MTVfcHJp dmF0ZSAqZGV2X3ByaXYpCiAJICovCiAJaW50ZWxfZHBfaW5pdF9wYW5lbF9wb3dlcl9zZXF1ZW5j ZXJfcmVnaXN0ZXJzKGludGVsX2RwLCBmYWxzZSk7CiAKLQlyZXR1cm4gMDsKKwlyZXR1cm4gYmFj a2xpZ2h0X2NvbnRyb2xsZXI7CiB9CiAKIHR5cGVkZWYgYm9vbCAoKnZsdl9waXBlX2NoZWNrKShz dHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCi0tIAoxLjkuMQoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==