From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Mustaffa, Mustamin B" Subject: Re: [V4] drm/i915: Enable VBT based BL control for DP Date: Thu, 22 Feb 2018 01:36:52 +0000 Message-ID: <605678218D4AE343AA40E888647A6D691AEAF2B5@PGSMSX111.gar.corp.intel.com> References: <1519109569-13211-1-git-send-email-mustamin.b.mustaffa@intel.com> <1519119779-144332-1-git-send-email-mustamin.b.mustaffa@intel.com> <20180220142608.GF5453@intel.com> <605678218D4AE343AA40E888647A6D691AEAEE60@PGSMSX111.gar.corp.intel.com> <20180221131907.GL5453@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id C0E7B6E6A9 for ; Thu, 22 Feb 2018 01:36:55 +0000 (UTC) In-Reply-To: <20180221131907.GL5453@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: =?iso-8859-1?Q?Ville_Syrj=E4l=E4?= Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org SGkgVmlsbGUsIAoKSSBhbHJlYWR5IHJlc3VibWl0IHRoZSBwYXRjaCBodHRwczovL3BhdGNod29y ay5mcmVlZGVza3RvcC5vcmcvcGF0Y2gvMjA1ODIzLyAKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwpp bmRleCAxODY4ZjczZjczMGMuLmI5MDY4YmQxOTQzZiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaW50ZWxfZHAuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5j CkBAIC02NTUsMTggKzY1NSwxNiBAQCAgYnh0X3Bvd2VyX3NlcXVlbmNlcl9pZHgoc3RydWN0IGlu dGVsX2RwICppbnRlbF9kcCkKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYg PSB0b19pOTE1KGludGVsX2RwX3RvX2RldihpbnRlbF9kcCkpOwogCisJaW50IGJhY2tsaWdodF9j b250cm9sbGVyID0KKwkJaW50ZWxfZHAtPmF0dGFjaGVkX2Nvbm5lY3Rvci0+cGFuZWwuYmFja2xp Z2h0LmNvbnRyb2xsZXI7CisKCkJlc3QgcmVnYXJkIAoKTXVzdGFtaW4KCgotLS0tLU9yaWdpbmFs IE1lc3NhZ2UtLS0tLQpGcm9tOiBWaWxsZSBTeXJqw6Rsw6QgW21haWx0bzp2aWxsZS5zeXJqYWxh QGxpbnV4LmludGVsLmNvbV0gClNlbnQ6IFdlZG5lc2RheSwgRmVicnVhcnkgMjEsIDIwMTggOTox OSBQTQpUbzogTXVzdGFmZmEsIE11c3RhbWluIEIgPG11c3RhbWluLmIubXVzdGFmZmFAaW50ZWwu Y29tPgpDYzogaW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpTdWJqZWN0OiBSZTogW0lu dGVsLWdmeF0gW1Y0XSBkcm0vaTkxNTogRW5hYmxlIFZCVCBiYXNlZCBCTCBjb250cm9sIGZvciBE UAoKT24gV2VkLCBGZWIgMjEsIDIwMTggYXQgMTI6MDQ6NDNBTSArMDAwMCwgTXVzdGFmZmEsIE11 c3RhbWluIEIgd3JvdGU6Cj4gSGkgVmlsbGUsCj4gCj4gQ2FuIHlvdSBwb2ludCBvdXQgd2hhdCBt YWtlcyB5b3Ugc2F5cyB0aGUgZ2l0IGRpZmYgaXMgYnJva2VuPyAKPiAKPiBCZXN0IHJlZ2FyZAo+ IAo+IE11c3RhbWluCj4gCj4gCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPiBGcm9tOiBW aWxsZSBTeXJqw6Rsw6QgW21haWx0bzp2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbV0KPiBT ZW50OiBUdWVzZGF5LCBGZWJydWFyeSAyMCwgMjAxOCAxMDoyNiBQTQo+IFRvOiBNdXN0YWZmYSwg TXVzdGFtaW4gQiA8bXVzdGFtaW4uYi5tdXN0YWZmYUBpbnRlbC5jb20+Cj4gQ2M6IGludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKPiBTdWJqZWN0OiBSZTogW0ludGVsLWdmeF0gW1Y0XSBk cm0vaTkxNTogRW5hYmxlIFZCVCBiYXNlZCBCTCBjb250cm9sIAo+IGZvciBEUAo+IAo+IE9uIFR1 ZSwgRmViIDIwLCAyMDE4IGF0IDA1OjQyOjU5UE0gKzA4MDAsIE11c3RhbWluIEIgTXVzdGFmZmEg d3JvdGU6Cj4gPiBDdXJyZW50bHksIEJYVF9QUCBpcyBoYXJkY29kZWQgd2l0aCB2YWx1ZSAnMCcu Cj4gPiBJdCBwcmFjdGljYWxseSBkaXNhYmxlZCBlRFAgYmFja2xpZ2h0IG9uIE1SQiAoQlhUKSBw bGF0Zm9ybS4KPiA+IAo+ID4gVGhpcyBwYXRjaCB3aWxsIHRlbGwgd2hpY2ggQlhUX1BQIHJlZ2lz dGVycyAodGhlcmUgYXJlIHR3byBzZXQgb2YgCj4gPiBQUF9DT05UUk9MIGluIHRoZSBzcGVjKSB0 byBiZSB1c2VkIGFzIGRlZmluZWQgaW4gVkJUIChWaWRlbyBCaW9zIAo+ID4gVGltaW5nCj4gPiB0 YWJsZSkgYW5kIHRoaXMgd2lsbCBlbmFibGVkIGVEUCBiYWNrbGlnaHQgY29udHJvbGxlciBvbiBN UkIgKEJYVCkgCj4gPiBwbGF0Zm9ybS4KPiA+IAo+ID4gdjI6Cj4gPiAgLSBSZW1vdmUgdW5uZWNl c3NhcnkgaW5mb3JtYXRpb24gaW4gY29tbWl0IG1lc3NhZ2UuCj4gPiAgLSBBc3NpZ24gdmJ0LmJh Y2tsaWdodC5jb250cm9sbGVyIHRvIGEgYmFja2xpZ2h0X2NvbnRyb2xsZXIgdmFyaWFibGUgYW5k Cj4gPiAgICByZXR1cm4gdGhlIHZhcmlhYmxlIHZhbHVlLgo+ID4gdjM6Cj4gPiAgLSBSZWJhc2Vk IHRvIGxhdGVzdCBjb2RlIGJhc2UuCj4gPiAgLSB1cGRhdGVkIGNvbW1pdCB0aXRsZS4KPiA+IFY0 Ogo+ID4gIC0gVXNlIHNhbml0aXplZCBwYW5lbCBiYWNrbGlnaHQgY29udHJvbGxlciBpbnN0ZWFk IG9mIHZidCBiYWNrbGlnaHQKPiA+ICAgIGNvbnRyb2xsZXIKPiA+IAo+ID4gU2lnbmVkLW9mZi1i eTogTXVzdGFtaW4gQiBNdXN0YWZmYSA8bXVzdGFtaW4uYi5tdXN0YWZmYUBpbnRlbC5jb20+Cj4g PiAtLS0KPiA+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIHwgMTEgKysrKy0tLS0t LS0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQo+ ID4gCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyAKPiA+ IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYyBpbmRleCAxODY4ZjczLi5mOWI5MjJk IDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ID4gKysr IGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ID4gQEAgLTY1NSwxOCArNjU1LDE1 IEBAIHN0YXRpYyBlbnVtIHBpcGUgdmx2X2ZpbmRfZnJlZV9wcHMoc3RydWN0CiAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBeXl5eXl5eXl5eXl5eXl5eXgoKVGhhdCBp cyBub3QgdGhlIGZ1bmN0aW9uIHlvdSdyZSBwYXRjaGluZyBoZXJlLgoKPiA+IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2KQo+IAo+IFlvdXIgZ2l0IGRpZmYgaXMgY2xlYXJseSBicm9rZW4uIFRo aXMgbWFrZXMgcGF0Y2ggcmV2aWV3IGhhcmRlciB0aGFuIGl0IGhhcyB0byBiZS4gUGxlYXNlIGNv bnNpZGVyIHVwZGF0aW5nIHRvIGEgbm9uLWJyb2tlbiB2ZXJzaW9uLgo+IAo+ID4gIHsKPiA+ICAJ c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gCj4gPiB0b19pOTE1KGludGVsX2Rw X3RvX2RldihpbnRlbF9kcCkpOwo+ID4gIAo+ID4gKwlpbnQgYmFja2xpZ2h0X2NvbnRyb2xsZXIg PSAKPiA+ICtpbnRlbF9kcC0+YXR0YWNoZWRfY29ubmVjdG9yLT5wYW5lbC5iYWNrbGlnaHQuY29u dHJvbGxlcjsKPiA+ICsKPiA+ICAJbG9ja2RlcF9hc3NlcnRfaGVsZCgmZGV2X3ByaXYtPnBwc19t dXRleCk7Cj4gPiAgCj4gPiAgCS8qIFdlIHNob3VsZCBuZXZlciBsYW5kIGhlcmUgd2l0aCByZWd1 bGFyIERQIHBvcnRzICovCj4gPiAgCVdBUk5fT04oIWludGVsX2RwX2lzX2VkcChpbnRlbF9kcCkp Owo+ID4gIAo+ID4gLQkvKgo+ID4gLQkgKiBUT0RPOiBCWFQgaGFzIDIgUFBTIGluc3RhbmNlcy4g VGhlIGNvcnJlY3QgcG9ydC0+UFBTIGluc3RhbmNlCj4gPiAtCSAqIG1hcHBpbmcgbmVlZHMgdG8g YmUgcmV0cmlldmVkIGZyb20gVkJULCBmb3Igbm93IGp1c3QgaGFyZC1jb2RlIHRvCj4gPiAtCSAq IHVzZSBpbnN0YW5jZSAjMCBhbHdheXMuCj4gPiAtCSAqLwo+ID4gIAlpZiAoIWludGVsX2RwLT5w cHNfcmVzZXQpCj4gPiAtCQlyZXR1cm4gMDsKPiA+ICsJCXJldHVybiBiYWNrbGlnaHRfY29udHJv bGxlcjsKPiA+ICAKPiA+ICAJaW50ZWxfZHAtPnBwc19yZXNldCA9IGZhbHNlOwo+ID4gIAo+ID4g QEAgLTY3Niw3ICs2NzMsNyBAQCBzdGF0aWMgZW51bSBwaXBlIHZsdl9maW5kX2ZyZWVfcHBzKHN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdikKPiA+ICAJICovCj4gPiAgCWludGVsX2Rw X2luaXRfcGFuZWxfcG93ZXJfc2VxdWVuY2VyX3JlZ2lzdGVycyhpbnRlbF9kcCwgZmFsc2UpOwo+ ID4gIAo+ID4gLQlyZXR1cm4gMDsKPiA+ICsJcmV0dXJuIGJhY2tsaWdodF9jb250cm9sbGVyOwo+ ID4gIH0KPiA+ICAKPiA+ICB0eXBlZGVmIGJvb2wgKCp2bHZfcGlwZV9jaGVjaykoc3RydWN0IGRy bV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ID4gLS0KPiA+IDEuOS4xCj4gPiAKPiA+IF9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gPiBJbnRlbC1nZngg bWFpbGluZyBsaXN0Cj4gPiBJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gPiBodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo+IAo+ IC0tCj4gVmlsbGUgU3lyasOkbMOkCj4gSW50ZWwgT1RDCgotLSAKVmlsbGUgU3lyasOkbMOkCklu dGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK