From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [RFC PATCH 2/2] drm/i915: respect the VBT minimum backlight brightness Date: Thu, 5 Jun 2014 09:30:57 -0700 Message-ID: <20140605093057.6babd8c5@jbarnes-desktop> References: <1398803449-27148-1-git-send-email-jani.nikula@intel.com> <1398803449-27148-2-git-send-email-jani.nikula@intel.com> <8738flf39r.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pb0-f53.google.com (mail-pb0-f53.google.com [209.85.160.53]) by gabe.freedesktop.org (Postfix) with ESMTP id 861D26E98E for ; Thu, 5 Jun 2014 09:30:57 -0700 (PDT) Received: by mail-pb0-f53.google.com with SMTP id md12so1312944pbc.26 for ; Thu, 05 Jun 2014 09:30:57 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: =?UTF-8?B?U3TDqXBoYW5l?= Marchesin Cc: Jani Nikula , Matthew Garrett , intel-gfx , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCA0IEp1biAyMDE0IDA4OjA0OjUzIC0wNzAwClN0w6lwaGFuZSBNYXJjaGVzaW4gPG1h cmNoZXVAY2hyb21pdW0ub3JnPiB3cm90ZToKCj4gPiBXZSBjb3VsZCBoYXZlIGRwbXMgc3RhbmRi eSBtZWFuIGJhY2tsaWdodCBvZmYsIGV2ZXJ5dGhpbmcgZWxzZSBvbiwKPiA+IHNpbWlsYXJseSB0 byB3aGF0IHlvdSB3YW50IGJ5IDAgYmFja2xpZ2h0IG1lYW5pbmcgb2ZmLiBTbyB5b3UgY291bGQK PiA+IHN3aXRjaCBiZXR3ZWVuIGRwbXMgb24vc3RhbmRieSBtb3JlIHF1aWNrbHkuIFRoZSBwb2lu dCBpbiB0aGF0IGlzIHRoYXQKPiA+IGl0J3MgdGhlIHJpZ2h0IEFQSSBmb3IgZG9pbmcgcGFuZWwg cG93ZXIgc2VxdWVuY2luZy4KPiA+Cj4gPiBZb3Ugc2VlLCBldmVuIHdpdGggZGVmaW5pbmcgYmFj a2xpZ2h0IDAgPSBvZmYsIHdlJ2QgaGF2ZSB0byByZXNwZWN0IHRoZQo+ID4gcGFuZWwgc2VxdWVu Y2luZyBhbmQgZGVsYXlzIGZvciBiYWNrbGlnaHQgKGFkbWl0dGVkbHkgd2UgY3VycmVudGx5IGRv bid0Cj4gPiBkbyB0aGF0LCB3aGljaCBpcyB3aHkgaXQncyBmYXN0IC0gYW5kIGJyb2tlbikuICAK PiAKPiBUaGVyZSBhcmUgbXVsdGlwbGUgZGVsYXlzIGF0IHBsYXkgaGVyZSwgYW5kIHR5cGljYWxs eSB0aGUgbG9uZ2VzdAo+IHBhbmVsIGRlbGF5cyBoYXZlIG5vdGhpbmcgdG8gZG8gd2l0aCB0aGUg YmFja2xpZ2h0IGJ1dCB0aGV5IGFyZSB0aGUKPiBkZWxheXMgZm9yIHR1cm5pbmcgdGhlIHBhbmVs IG9uL29mZiAodXN1YWxseSB0aGUgcGFuZWwgb24vb2ZmIGRlbGF5cwo+IGFyZSBtdWNoIGJpZ2dl ciwgdXAgdG8gNTAwbXMgb24gc29tZSBwYW5lbHMpLiBUaGVzZSBhcmUgdGhlIGRlbGF5cyBJJ20K PiB0cnlpbmcgdG8gYXZvaWQuCj4gCj4gPiBEb2luZyB0aGUgcGFuZWwKPiA+IHNlcXVlbmNpbmcg cHJvcGVybHkgZnJvbSB0aGUgYmFja2xpZ2h0IGludGVyZmFjZSBnZXRzICptdWNoKiBoYXJkZXIK PiA+IGJlY2F1c2UgaXQncyBhbGwgYmFja3dhcmRzIGluIHRoZSBzdGFjayB0aGVuLiAgCj4gCj4g SWYgeW91IGltcGxlbWVudCBzb21lIGludGVyZmFjZSB3aGljaCBkb2VzICJzZXQgYmFja2xpZ2h0 IHRvIDAgb24KPiBwbGF0Zm9ybXMgd2hpY2ggc3VwcG9ydCBpdCwgYW5kIGRvIHBhbmVsIG9mZiBv biBvdGhlciBwbGF0Zm9ybXMiLAo+IHRoYXQncyBmaW5lIGJ5IG1lOyBob3dldmVyIEkgZG9uJ3Qg d2FudCB0byByZWdyZXNzIGFsbCB0aGUgb3RoZXIKPiBwbGF0Zm9ybXMganVzdCBiZWNhdXNlIEJZ VCBoYXMgaXNzdWVzLiBJbiB0aGUgY3VycmVudCBzdGF0ZSBvZiB0aGluZ3MsCj4gdGhlIGZ1bmN0 aW9uYWxpdHkgc2V0IHdoaWNoIGlzIG1hZGUgYXZhaWxhYmxlIHRvIHVzZXIgc3BhY2UgaGFwcGVu cyB0bwo+IHNocmluayB3aXRoIHlvdXIgcGF0Y2guCgpBY2NvcmRpbmcgdG8gdGhlIExWRFMgYW5k IGVEUCB0aW1pbmcgc3BlY3MsIHdlICpvdWdodCogdG8gYmUgYWJsZSB0bwpkaXNhYmxlIHRoZSBi YWNrbGlnaHQgYW5kIHRoZW4gdGhlIFBXTSBzb3VyY2UgYW5kIGxlYXZlIGV2ZXJ5dGhpbmcgZWxz ZQphbG9uZSwgYXMgbG9uZyBhcyB3ZSBhcHBseSB0aGUgYXBwcm9wcmlhdGUgZGVsYXlzIGJldHdl ZW4gYmFja2xpZ2h0IG9mZgphbmQgUFdNIG9mZiwgYW5kIHRoZW4gYWdhaW4gd2hlbiB3ZSB0dXJu IHRoZW0gYmFjayBvbiAoUFdNIGZpcnN0LApkZWxheSwgdGhlbiBiYWNrbGlnaHQgb24pLgoKSUlS QyB0aGUgaXNzdWUgb24gQllUIHdhcyB0aGF0IHdlIHNhdyB0aGUgcGFuZWwgcG93ZXIgbGluZSBn byBkb3duIHdoZW4Kd2UgZGlzYWJsZWQgdGhlIGJhY2tsaWdodCBhbmQgUFdNIHdoaWNoIHdvdWxk IG9idmlvdXNseSBjYXVzZSBhbGwKc29ydHMgb2YgcHJvYmxlbXMuICBCdXQgdGhhdCBjb3VsZCBo YXZlIGJlZW4gdXNlciBlcnJvciBvbiB0aGUgc2NvcGUsCnNvIHdlIHNob3VsZCBjb25maXJtIHRo YXQgYmVmb3JlIGJha2luZyBhIGZ1bGwgRFBNUyBjeWNsZSBpbnRvIHRoZSBCWVQKaW1wbGVtZW50 YXRpb24gb3IgdGhlIGludGVyZmFjZSBpbiBnZW5lcmFsLgoKLS0gCkplc3NlIEJhcm5lcywgSW50 ZWwgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9pbnRlbC1nZngK