From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/backlight: setup backlight pwm alternate increment on backlight enable Date: Mon, 19 Sep 2016 11:25:07 +0300 Message-ID: <87poo0nvoc.fsf@intel.com> References: <1474273390-31621-1-git-send-email-jani.nikula@intel.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1474273390-31621-1-git-send-email-jani.nikula@intel.com> Sender: stable-owner@vger.kernel.org To: intel-gfx@lists.freedesktop.org Cc: Shawn Lee , Cooper Chiou , Wei Shun Chen , Gary C Wang , stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org On Mon, 19 Sep 2016, Jani Nikula wrote: > From: Shawn Lee > > Backlight enable is supposed to do a full setup of the backlight. We > were missing the PWM alternate increment bit in the south chicken > registers on lpt+ pch. This potentially caused a PWM frequency change > when the chicken register value was lost e.g. on suspend. > > v2 by Jani, rebase on the patch caching alt increment Fat fingered this one, please ignore, and look at the two patches in reply to this one. Sorry. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center