From mboxrd@z Thu Jan 1 00:00:00 1970 From: shuang.he@intel.com Subject: Re: [PATCH] drm/i915: expose a fixed brightness range to Date: 12 Nov 2014 09:12:33 -0800 Message-ID: References: <1415737838-9640-1-git-send-email-ullysses.a.eoff@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id A24CA6E02C for ; Wed, 12 Nov 2014 09:21:46 -0800 (PST) In-Reply-To: <1415737838-9640-1-git-send-email-ullysses.a.eoff@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: shuang.he@intel.com, intel-gfx@lists.freedesktop.org, ullysses.a.eoff@intel.com List-Id: intel-gfx@lists.freedesktop.org VGVzdGVkLUJ5OiBQUkMgUUEgUFJUUyAoUGF0Y2ggUmVncmVzc2lvbiBUZXN0IFN5c3RlbSBDb250 YWN0OiBzaHVhbmcuaGVAaW50ZWwuY29tKQotLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tU3VtbWFyeS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KUGxhdGZv cm06IGJhc2VsaW5lX2RybV9pbnRlbF9uaWdodGx5X3Bhc3NfcmF0ZS0+cGF0Y2hfYXBwbGllZF9w YXNzX3JhdGUKQllUOiBwYXNzL3RvdGFsPTI0Ny8zNDgtPjI3Ni8zNDgKUE5WOiBwYXNzL3RvdGFs PTMyNi8zMjgtPjMyNC8zMjgKSUxLOiBwYXNzL3RvdGFsPTMyOS8zMzAtPjMyNy8zMzAKSVZCOiBw YXNzL3RvdGFsPTU0NC81NDYtPjU0NC81NDYKU05COiBwYXNzL3RvdGFsPTM4MC8zODAtPjM3OS8z ODAKSFNXOiBwYXNzL3RvdGFsPTU4Ni81OTEtPjU4OS81OTEKQkRXOiBwYXNzL3RvdGFsPTQzNS80 MzUtPjQzMy80MzUKLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLURldGFpbGVk LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQp0ZXN0X3BsYXRmb3JtOiB0ZXN0 X3N1aXRlLCB0ZXN0X2Nhc2UsIHJlc3VsdF93aXRoX2RybV9pbnRlbF9uaWdodGx5KGNvdW50LCBt YWNoaW5lX2lkLi4uKS4uLi0+cmVzdWx0X3dpdGhfcGF0Y2hfYXBwbGllZChjb3VudCwgbWFjaGlu ZV9pZCkuLi4KQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9kcnZfaGFuZ21hbl9lcnJvci1zdGF0 ZS1iYXNpYywgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1Mo MSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2Rydl9oYW5nbWFuX2Vycm9yLXN0YXRl LWNhcHR1cmUtYmx0LCBCTEFDS0xJU1QoMSwgTTMxKVBBU1MoMjQsIE0zMU0zNk0yOU0zOCkgLT4g UEFTUygxLCBNMzgpCkJZVDogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZHJ2X2hhbmdtYW5fZXJyb3It c3RhdGUtY2FwdHVyZS1ic2QsIEJMQUNLTElTVCgxLCBNMzEpUEFTUygyNCwgTTMxTTM2TTI5TTM4 KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9kcnZfaGFuZ21hbl9l cnJvci1zdGF0ZS1jYXB0dXJlLXJlbmRlciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFN MzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2Rydl9o YW5nbWFuX2Vycm9yLXN0YXRlLWRlYnVnZnMtZW50cnksIEJMQUNLTElTVCgxLCBNMzEpUEFTUygy NCwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGln dF9kcnZfaGFuZ21hbl9lcnJvci1zdGF0ZS1zeXNmcy1lbnRyeSwgQkxBQ0tMSVNUKDEsIE0zMSlQ QVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29s cywgaWd0X2dlbV9iYWRfcmVsb2NfbmVnYXRpdmUtcmVsb2MtbHV0LCBOU1BUKDEsIE0zOClQQVNT KDE1LCBNMzFNMjlNMzgpIC0+IE5TUFQoMiwgTTM4KVBBU1MoMiwgTTM4KQpCWVQ6IEludGVsX2dw dV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19iYW4tY3R4LXJlbmRlciwgQkxBQ0tMSVNUKDEs IE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4KQpCWVQ6IEludGVsX2dw dV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19iYW4tcmVuZGVyLCBCTEFDS0xJU1QoMSwgTTMx KVBBU1MoMjQsIE0zMU0zNk0yOU0zOCkgLT4gUEFTUygxLCBNMzgpCkJZVDogSW50ZWxfZ3B1X3Rv b2xzLCBpZ3RfZ2VtX3Jlc2V0X3N0YXRzX2Nsb3NlLXBlbmRpbmctYmx0LCBCTEFDS0xJU1QoMSwg TTMxKURNRVNHX1dBUk4oMTEsIE0zMU0zNk0yOSlQQVNTKDEzLCBNMzFNMzZNMzgpIC0+IFBBU1Mo MSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19jbG9zZS1w ZW5kaW5nLWJzZCwgQkxBQ0tMSVNUKDEsIE0zMSlETUVTR19XQVJOKDksIE0zNk0yOU0zMSlQQVNT KDE1LCBNMzFNMjlNMzhNMzYpIC0+IFBBU1MoMSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywg aWd0X2dlbV9yZXNldF9zdGF0c19jbG9zZS1wZW5kaW5nLWN0eC1yZW5kZXIsIEJMQUNLTElTVCgx LCBNMzEpUEFTUygyNCwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRlbF9n cHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfY2xvc2UtcGVuZGluZy1mb3JrLWJsdCwgQkxB Q0tMSVNUKDEsIE0zMSlETUVTR19XQVJOKDExLCBNMzFNMzZNMjkpUEFTUygxMywgTTMxTTM2TTI5 TTM4KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRf c3RhdHNfY2xvc2UtcGVuZGluZy1mb3JrLWJzZCwgQkxBQ0tMSVNUKDEsIE0zMSlETUVTR19XQVJO KDEyLCBNMzFNMzZNMjkpUEFTUygxMiwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0zOCkKQllU OiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfY2xvc2UtcGVuZGluZy1mb3Jr LXJlbmRlciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1Mo MSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19jbG9zZS1w ZW5kaW5nLWZvcmstcmV2ZXJzZS1ibHQsIEJMQUNLTElTVCgxLCBNMzEpUEFTUygyNCwgTTMxTTM2 TTI5TTM4KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVz ZXRfc3RhdHNfY2xvc2UtcGVuZGluZy1mb3JrLXJldmVyc2UtYnNkLCBCTEFDS0xJU1QoMSwgTTMx KVBBU1MoMjQsIE0zMU0zNk0yOU0zOCkgLT4gUEFTUygxLCBNMzgpCkJZVDogSW50ZWxfZ3B1X3Rv b2xzLCBpZ3RfZ2VtX3Jlc2V0X3N0YXRzX2Nsb3NlLXBlbmRpbmctZm9yay1yZXZlcnNlLXJlbmRl ciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4 KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19jbG9zZS1wZW5kaW5n LXJlbmRlciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1Mo MSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19wYXJhbXMs IEJMQUNLTElTVCgxLCBNMzEpUEFTUygyNCwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0zOCkK QllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfcGFyYW1zLWN0eC1yZW5k ZXIsIEJMQUNLTElTVCgxLCBNMzEpUEFTUygyNCwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0z OCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfcmVzZXQtY291bnQt Ymx0LCBCTEFDS0xJU1QoMSwgTTMxKURNRVNHX1dBUk4oMTYsIE0zMU0zNk0yOSlQQVNTKDgsIE0y OU0zOE0zNikgLT4gUEFTUygxLCBNMzgpCkJZVDogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VtX3Jl c2V0X3N0YXRzX3Jlc2V0LWNvdW50LWJzZCwgQkxBQ0tMSVNUKDEsIE0zMSlETUVTR19XQVJOKDE0 LCBNMzFNMzZNMjkpUEFTUygxMCwgTTM2TTM4TTI5KSAtPiBQQVNTKDEsIE0zOCkKQllUOiBJbnRl bF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfcmVzZXQtY291bnQtY3R4LXJlbmRlciwg QkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4KQpC WVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19yZXNldC1jb3VudC1yZW5k ZXIsIEJMQUNLTElTVCgxLCBNMzEpUEFTUygyNCwgTTMxTTM2TTI5TTM4KSAtPiBQQVNTKDEsIE0z OCkKQllUOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfcmVzZXQtc3RhdHMt Ymx0LCBCTEFDS0xJU1QoMSwgTTMxKURNRVNHX1dBUk4oOCwgTTM2TTI5TTMxKVBBU1MoMTYsIE0z MU0zNk0yOU0zOCkgLT4gUEFTUygxLCBNMzgpCkJZVDogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2Vt X3Jlc2V0X3N0YXRzX3Jlc2V0LXN0YXRzLWJzZCwgQkxBQ0tMSVNUKDEsIE0zMSlETUVTR19XQVJO KDksIE0zNk0yOU0zMSlQQVNTKDE1LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1MoMSwgTTM4KQpCWVQ6 IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c19yZXNldC1zdGF0cy1jdHgtcmVu ZGVyLCBCTEFDS0xJU1QoMSwgTTMxKVBBU1MoMjQsIE0zMU0zNk0yOU0zOCkgLT4gUEFTUygxLCBN MzgpCkJZVDogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfZ2VtX3Jlc2V0X3N0YXRzX3Jlc2V0LXN0YXRz LXJlbmRlciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+IFBBU1Mo MSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9yZXNldF9zdGF0c191bnJlbGF0 ZWQtY3R4LXJlbmRlciwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgpIC0+ IFBBU1MoMSwgTTM4KQpCWVQ6IEludGVsX2dwdV90b29scywgaWd0X2Rydl9oYW5nbWFuX3Jpbmct c3RvcC1zeXNmcy1lbnRyeSwgQkxBQ0tMSVNUKDEsIE0zMSlQQVNTKDI0LCBNMzFNMzZNMjlNMzgp IC0+IFBBU1MoMSwgTTM4KQpQTlY6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9jb25jdXJyZW50 X2JsaXRfZ3B1LWJjcy1lYXJseS1yZWFkLCBQQVNTKDcsIE0yNU0yMykgLT4gRE1FU0dfV0FSTigx LCBNMjUpUEFTUygzLCBNMjUpClBOVjogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21zX3NldG1vZGVf aW52YWxpZC1jbG9uZS1zaW5nbGUtY3J0YywgRE1FU0dfV0FSTigxLCBNMjUpVElNRU9VVCgxNSwg TTdNMjVNMjRNMjMpUEFTUygzLCBNMjQpIC0+IERNRVNHX1dBUk4oMywgTTI1KVRJTUVPVVQoMSwg TTI1KQpQTlY6IEludGVsX2dwdV90b29scywgaWd0X2dlbV9jb25jdXJyZW50X2JsaXRfZ3R0WC1i Y3MtZ3B1LXJlYWQtYWZ0ZXItd3JpdGUtaW50ZXJydXB0aWJsZSwgUEFTUyg3LCBNMjUpIC0+IERN RVNHX1dBUk4oMSwgTTI1KVBBU1MoMywgTTI1KQpJTEs6IEludGVsX2dwdV90b29scywgaWd0X2tt c18zZCwgUEFTUyg0LCBNMjYpIC0+IERNRVNHX1dBUk4oMSwgTTI2KVBBU1MoMywgTTI2KQpJTEs6 IEludGVsX2dwdV90b29scywgaWd0X2ttc19mbGlwX2ZsaXAtdnMtZXhwaXJlZC12YmxhbmssIERN RVNHX1dBUk4oMSwgTTI2KVBBU1MoMywgTTI2KSAtPiBETUVTR19XQVJOKDIsIE0yNilQQVNTKDIs IE0yNikKSUxLOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfZmxpcF9mbGlwLXZzLW1vZGVzZXQt aW50ZXJydXB0aWJsZSwgRE1FU0dfV0FSTigyLCBNMjYpUEFTUygyNiwgTTM3TTI2TTYpIC0+IERN RVNHX1dBUk4oMSwgTTI2KVBBU1MoMywgTTI2KQpJTEs6IEludGVsX2dwdV90b29scywgaWd0X2tt c19mbGlwX2ZsaXAtdnMtcm1mYiwgUEFTUyg3LCBNMjYpIC0+IERNRVNHX1dBUk4oMSwgTTI2KVBB U1MoMywgTTI2KQpJVkI6IEludGVsX2dwdV90b29scywgaWd0X2ttc19wbGFuZV9wbGFuZS1wb3Np dGlvbi1jb3ZlcmVkLXBpcGUtQS1wbGFuZS0xLCBUSU1FT1VUKDEsIE0zNClQQVNTKDI3LCBNMjFN NE0zNCkgLT4gUEFTUyg0LCBNMjEpCklWQjogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21zX3NldG1v ZGVfaW52YWxpZC1jbG9uZS1zaW5nbGUtY3J0YywgVElNRU9VVCgxNSwgTTM0TTIxTTQpUEFTUygx LCBNMzQpIC0+IFRJTUVPVVQoMSwgTTIxKVBBU1MoMywgTTIxKQpTTkI6IEludGVsX2dwdV90b29s cywgaWd0X2ttc19zZXRtb2RlX2ludmFsaWQtY2xvbmUtc2luZ2xlLWNydGMsIFRJTUVPVVQoOSwg TTM1TTIyKVBBU1MoMSwgTTM1KSAtPiBUSU1FT1VUKDEsIE0zNSlQQVNTKDMsIE0zNSkKSFNXOiBJ bnRlbF9ncHVfdG9vbHMsIGlndF9rbXNfc2V0bW9kZV9pbnZhbGlkLWNsb25lLXNpbmdsZS1jcnRj LCBQQVNTKDEsIE00MCkgLT4gVElNRU9VVCgxLCBNNDApUEFTUygzLCBNNDApCkhTVzogSW50ZWxf Z3B1X3Rvb2xzLCBpZ3RfcG1fcnBtX2xlZ2FjeS1wbGFuZXMsIFRJTUVPVVQoMSwgTTQwKSAtPiBU SU1FT1VUKDMsIE00MClQQVNTKDEsIE00MCkKSFNXOiBJbnRlbF9ncHVfdG9vbHMsIGlndF9wbV9y cG1fbGVnYWN5LXBsYW5lcy1kcG1zLCBUSU1FT1VUKDEsIE00MCkgLT4gVElNRU9VVCgzLCBNNDAp UEFTUygxLCBNNDApCkhTVzogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3RfcG1fcnBtX3VuaXZlcnNhbC1w bGFuZXMsIFRJTUVPVVQoMSwgTTQwKSAtPiBUSU1FT1VUKDIsIE00MClQQVNTKDEsIE00MCkKSFNX OiBJbnRlbF9ncHVfdG9vbHMsIGlndF9wbV9ycG1fdW5pdmVyc2FsLXBsYW5lcy1kcG1zLCBUSU1F T1VUKDEsIE00MCkgLT4gUEFTUygxLCBNNDApCkJEVzogSW50ZWxfZ3B1X3Rvb2xzLCBpZ3Rfa21z X3NldG1vZGVfaW52YWxpZC1jbG9uZS1zaW5nbGUtY3J0YywgVElNRU9VVCgxNSwgTTI4TTQyTTMw KVBBU1MoMSwgTTQyKSAtPiBUSU1FT1VUKDEsIE00MilQQVNTKDMsIE00MikKQkRXOiBJbnRlbF9n cHVfdG9vbHMsIGlndF9nZW1fcmVzZXRfc3RhdHNfYmFuLWJzZCwgUEFTUygzMSwgTTQyTTMwTTI4 KSAtPiBETUVTR19XQVJOKDEsIE00MilQQVNTKDMsIE00MikKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZngK