linux-kernel - [PATCH 09/21] drm/i915: Delay DP i2c initialization until panel power timings are computed

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Message-Id: <1317344993-24945-10-git-send-email-keithp@keithp.com>
Date:	Thu, 29 Sep 2011 18:09:41 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Dave Airlie <airlied@...hat.com>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	intel-gfx@...ts.freedesktop.org, Keith Packard <keithp@...thp.com>
Subject: [PATCH 09/21] drm/i915: Delay DP i2c initialization until panel power timings are computed

On eDP, DDC requires panel power, but turning that on uses the panel
power sequencing timing values fetch from the DPCD data.

Signed-off-by: Keith Packard <keithp@...thp.com>
---
 drivers/gpu/drm/i915/intel_dp.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index b915fc3..0b462f9 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2069,8 +2069,6 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			break;
 	}
 
-	intel_dp_i2c_init(intel_dp, intel_connector, name);
-
 	/* Cache some DPCD data in the eDP case */
 	if (is_edp(intel_dp)) {
 		bool ret;
@@ -2102,6 +2100,8 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 		}
 	}
 
+	intel_dp_i2c_init(intel_dp, intel_connector, name);
+
 	intel_encoder->hot_plug = intel_dp_hot_plug;
 
 	if (is_edp(intel_dp)) {
-- 
1.7.6.3

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