From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harry Pan Subject: [PATCH] drm/i915: minor corner case fix to respect user's backlight setting Date: Fri, 27 Jan 2017 20:57:40 +0800 Message-ID: <1485521860-682-1-git-send-email-harry.pan@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: LKML Cc: airlied@linux.ie, intel-gfx@lists.freedesktop.org, Harry Pan , dri-devel@lists.freedesktop.org, daniel.vetter@intel.com, gs0622@gmail.com List-Id: intel-gfx@lists.freedesktop.org V2hlbiBlbmFibGluZyBwYW5lbCBiYWNrbGlnaHQsIGlmIHRoZSBjdXJyZW50IGJhY2tsaWdodCBs ZXZlbApzZXR0aW5nIG1hdGNoZXMgdGhlIHBhbmVsJ3MgbWluaW1hbCwgaXQgd291bGQgYXBwbHkg ZGVmYXVsdCBwb2xpY3kgdG8Kb3ZlcnJpZGUgdGhlIGN1cnJlbnQgbGV2ZWwgYnkgdGhlIHBhbmVs J3MgbWF4aW11bSB1bnRpbCBuZXh0IHJlcXVlc3QKdG8gdXBkYXRlIGJyaWdodG5lc3MsIHRoaXMg bGVhZHMgdW5leHBlY3RlZCB1c2VyIGNvbmZ1c2lvbiB3aXRoCnRlbXBvcmFyeSBmdWxsIHBvd2Vy IGJhY2tsaWdodC4KClRoaXMgb2RkIGNvdWxkIGJlIHJlcHJvZHVjZWQgYXMgY29tbWFuZHMgbGlr ZSB0aGVzZToKICQgeGJhY2tsaWdodCAtc2V0IDAKICQgc3VkbyBzaCAtYyAnZWNobyBtZW0gPiAv c3lzL3Bvd2VyL3N0YXRlJwogKHJlc3VtZSkKClRvIGZpeCB0aGlzLCBzbGlnaHRseSB0aW5rZXIg dGhlIGJhY2tsaWdodCBsZXZlbCBjb21wYXJpc29uIGZyb20KJ2xlc3MtYW5kLWVxdWFsLXRvJyB0 byAnbGVzcy10aGFuJy4KCkJlZm9yZTogKGRtZXNnIHwgZ3JlcCBiYWNrbGlnaHQgIyB3aXRoIGRy bS5kZWJ1Zz0weGUpClsgICA4Mi4yNDkyNjVdIFtkcm06aW50ZWxfYmFja2xpZ2h0X2RldmljZV91 cGRhdGVfc3RhdHVzIFtpOTE1XV0gdXBkYXRpbmcgaW50ZWxfYmFja2xpZ2h0LCBicmlnaHRuZXNz PTAvNTI3MwpbICAgODIuMjQ5MjgyXSBbZHJtOmludGVsX3BhbmVsX2FjdHVhbGx5X3NldF9iYWNr bGlnaHQgW2k5MTVdXSBzZXQgYmFja2xpZ2h0IFBXTSA9IDIwNwpbICAgODIuMjQ5MzA2XSBbZHJt OmludGVsX2VkcF9iYWNrbGlnaHRfcG93ZXIgW2k5MTVdXSBwYW5lbCBwb3dlciBjb250cm9sIGJh Y2tsaWdodCBkaXNhYmxlClsgICA5Mi4wNjYwNDFdIFtkcm06aW50ZWxfZWRwX2JhY2tsaWdodF9v ZmYgW2k5MTVdXQpbICAgOTIuMjcwNDg5XSBbZHJtOmludGVsX3BhbmVsX2FjdHVhbGx5X3NldF9i YWNrbGlnaHQgW2k5MTVdXSBzZXQgYmFja2xpZ2h0IFBXTSA9IDAKWyAgIDk0LjA4MDQzNF0gW2Ry bTppbnRlbF9lZHBfYmFja2xpZ2h0X29uLnBhcnQuMjUgW2k5MTVdXQpbICAgOTQuMDgwNDc2XSBb ZHJtOmludGVsX3BhbmVsX2VuYWJsZV9iYWNrbGlnaHQgW2k5MTVdXSBwaXBlIEEKWyAgIDk0LjA4 MDUzOV0gW2RybTppbnRlbF9wYW5lbF9hY3R1YWxseV9zZXRfYmFja2xpZ2h0IFtpOTE1XV0gc2V0 IGJhY2tsaWdodCBQV00gPSA1MjczCgpBZnRlcjoKWyDCoMKgNzIuODc0NDY1XSBbZHJtOmludGVs X2JhY2tsaWdodF9kZXZpY2VfdXBkYXRlX3N0YXR1cyBbaTkxNV1dIHVwZGF0aW5nIGludGVsX2Jh Y2tsaWdodCwgYnJpZ2h0bmVzcz0wLzUyNzMKWyDCoMKgNzIuODc0NDk5XSBbZHJtOmludGVsX3Bh bmVsX2FjdHVhbGx5X3NldF9iYWNrbGlnaHQgW2k5MTVdXSBzZXQgYmFja2xpZ2h0IFBXTSA9IDIw NwpbIMKgwqA3Mi44NzQ1NDBdIFtkcm06aW50ZWxfZWRwX2JhY2tsaWdodF9wb3dlciBbaTkxNV1d IHBhbmVsIHBvd2VyIGNvbnRyb2wgYmFja2xpZ2h0IGRpc2FibGUKWyDCoMKgODYuODA3OTI4XSBb ZHJtOmludGVsX2VkcF9iYWNrbGlnaHRfb2ZmIFtpOTE1XV0KWyDCoMKgODcuMDEzMjI3XSBbZHJt OmludGVsX3BhbmVsX2FjdHVhbGx5X3NldF9iYWNrbGlnaHQgW2k5MTVdXSBzZXQgYmFja2xpZ2h0 IFBXTSA9IDAKWyDCoMKgODkuMDAxODI5XSBbZHJtOmludGVsX2VkcF9iYWNrbGlnaHRfb24ucGFy dC4yNSBbaTkxNV1dClsgwqDCoDg5LjAwMTg1OV0gW2RybTppbnRlbF9wYW5lbF9lbmFibGVfYmFj a2xpZ2h0IFtpOTE1XV0gcGlwZSBBClsgwqDCoDg5LjAwMTkyNl0gW2RybTppbnRlbF9wYW5lbF9h Y3R1YWxseV9zZXRfYmFja2xpZ2h0IFtpOTE1XV0gc2V0IGJhY2tsaWdodCBQV00gPSAyMDcKCkZp eGVzOiAxM2YzZmJlODI3ZDAgKCJmaXggaW5jb25zaXN0ZW50IGJyaWdodG5lc3MgYWZ0ZXIgcmVz dW1lIikKClNpZ25lZC1vZmYtYnk6IEhhcnJ5IFBhbiA8aGFycnkucGFuQGludGVsLmNvbT4KLS0t CiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wYW5lbC5jIHwgMiArLQogMSBmaWxlIGNoYW5n ZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfcGFuZWwuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Bh bmVsLmMKaW5kZXggMDhhYjZkNy4uZTg4MjEzOSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfcGFuZWwuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9wYW5l bC5jCkBAIC0xMTA0LDcgKzExMDQsNyBAQCB2b2lkIGludGVsX3BhbmVsX2VuYWJsZV9iYWNrbGln aHQoc3RydWN0IGludGVsX2Nvbm5lY3RvciAqY29ubmVjdG9yKQogCiAJV0FSTl9PTihwYW5lbC0+ YmFja2xpZ2h0Lm1heCA9PSAwKTsKIAotCWlmIChwYW5lbC0+YmFja2xpZ2h0LmxldmVsIDw9IHBh bmVsLT5iYWNrbGlnaHQubWluKSB7CisJaWYgKHBhbmVsLT5iYWNrbGlnaHQubGV2ZWwgPCBwYW5l bC0+YmFja2xpZ2h0Lm1pbikgewogCQlwYW5lbC0+YmFja2xpZ2h0LmxldmVsID0gcGFuZWwtPmJh Y2tsaWdodC5tYXg7CiAJCWlmIChwYW5lbC0+YmFja2xpZ2h0LmRldmljZSkKIAkJCXBhbmVsLT5i YWNrbGlnaHQuZGV2aWNlLT5wcm9wcy5icmlnaHRuZXNzID0KLS0gCjIuNi42CgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK