linux-kernel - [PATCH 1/2] drm/i915: Select correct pipe during TV detect

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Date:	Thu, 12 May 2011 17:10:57 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	Dave Airlie <airlied@...hat.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
	Keith Packard <keithp@...thp.com>
Subject: [PATCH 1/2] drm/i915: Select correct pipe during TV detect

Signed-off-by: Keith Packard <keithp@...thp.com>
---
 drivers/gpu/drm/i915/intel_tv.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 6b22c1d..876064c 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -1236,6 +1236,8 @@ intel_tv_detect_type (struct intel_tv *intel_tv,
 		      struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = &intel_tv->base.base;
+	struct drm_crtc *crtc = encoder->crtc;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	unsigned long irqflags;
@@ -1258,6 +1260,10 @@ intel_tv_detect_type (struct intel_tv *intel_tv,
 	/* Poll for TV detection */
 	tv_ctl &= ~(TV_ENC_ENABLE | TV_TEST_MODE_MASK);
 	tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
+	if (intel_crtc->pipe == 1)
+		tv_ctl |= TV_ENC_PIPEB_SELECT;
+	else
+		tv_ctl &= ~TV_ENC_PIPEB_SELECT;
 
 	tv_dac &= ~(TVDAC_SENSE_MASK | DAC_A_MASK | DAC_B_MASK | DAC_C_MASK);
 	tv_dac |= (TVDAC_STATE_CHG_EN |
-- 
1.7.5.1

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