From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH 0/2] drm/i915: initialize backlight pwm frequency from vbt if needed Date: Tue, 7 Jan 2014 18:01:32 +0200 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 3414EFA80F for ; Tue, 7 Jan 2014 08:06:38 -0800 (PST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org, vathsala.nagaraju@intel.com Cc: jani.nikula@intel.com, rajneesh.bhardwaj@intel.com, naveen.m@intel.com List-Id: intel-gfx@lists.freedesktop.org Per inquiries from Vathsala et al, here's some early code for initializing the backlight PWM from VBT if it hasn't been initialized by the BIOS. I didn't have the chance to test this at all yet, just wanted to unblock others. Testing and comments welcome. Particularly the frequency in Hz to PWM register value conversions need eyeballs. BR, Jani. Jani Nikula (2): drm/i915: move intel_hrawclk() to intel_display.c drm/i915: initialize backlight max from vbt drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_display.c | 33 ++++++ drivers/gpu/drm/i915/intel_dp.c | 34 ------ drivers/gpu/drm/i915/intel_drv.h | 1 + drivers/gpu/drm/i915/intel_panel.c | 197 +++++++++++++++++++++++++++++----- 5 files changed, 204 insertions(+), 62 deletions(-) -- 1.7.10.4