From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757361Ab1I3BL4 (ORCPT ); Thu, 29 Sep 2011 21:11:56 -0400 Received: from home.keithp.com ([63.227.221.253]:49879 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756466Ab1I3BK0 (ORCPT ); Thu, 29 Sep 2011 21:10:26 -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 12/21] drm/i915: Ensure eDP powered up during DP_SET_POWER operation in dp_prepare Date: Thu, 29 Sep 2011 18:09:44 -0700 Message-Id: <1317344993-24945-13-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 Any call to intel_dp_sink_dpms must ensure that the panel has power so that the DP_SET_POWER operation will be correctly received. The only one missing this was in intel_dp_prepare. Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/intel_dp.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 414aef7..a091a18 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1028,7 +1028,9 @@ static void intel_dp_prepare(struct drm_encoder *encoder) struct drm_device *dev = encoder->dev; /* Wake up the sink first */ + ironlake_edp_panel_vdd_on(intel_dp); intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + ironlake_edp_panel_vdd_off(intel_dp); if (is_edp(intel_dp)) { ironlake_edp_backlight_off(dev); -- 1.7.6.3