From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20110923085243.6e4b7b4c@jbarnes-x220> <1317344993-24945-1-git-send-email-keithp@keithp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1317344993-24945-1-git-send-email-keithp@keithp.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Dave Airlie Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.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