From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756268Ab1I3BPG (ORCPT ); Thu, 29 Sep 2011 21:15:06 -0400 Received: from home.keithp.com ([63.227.221.253]:49799 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755983Ab1I3BKJ (ORCPT ); Thu, 29 Sep 2011 21:10:09 -0400 From: Keith Packard To: Dave Airlie Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Keith Packard Subject: [PATCH 03/21] drm/i915: Remove extra 300ms delay during eDP mode setting Date: Thu, 29 Sep 2011 18:09:35 -0700 Message-Id: <1317344993-24945-4-git-send-email-keithp@keithp.com> X-Mailer: git-send-email 1.7.6.3 In-Reply-To: <1317344993-24945-1-git-send-email-keithp@keithp.com> References: <20110923085243.6e4b7b4c@jbarnes-x220> <1317344993-24945-1-git-send-email-keithp@keithp.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There's no reason to enforce a 300ms delay during eDP mode setting. Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/intel_dp.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 44fef5e..f0cfb6b 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -903,13 +903,6 @@ static void ironlake_edp_backlight_on (struct drm_device *dev) u32 pp; DRM_DEBUG_KMS("\n"); - /* - * If we enable the backlight right away following a panel power - * on, we may see slight flicker as the panel syncs with the eDP - * link. So delay a bit to make sure the image is solid before - * allowing it to appear. - */ - msleep(300); pp = I915_READ(PCH_PP_CONTROL); pp |= EDP_BLC_ENABLE; I915_WRITE(PCH_PP_CONTROL, pp); -- 1.7.6.3