drm/i915: enable LVDS on Cougarpoint
Fix the transcoder select bit for LVDS on CPT. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -3492,10 +3492,17 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
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lvds = I915_READ(lvds_reg);
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lvds = I915_READ(lvds_reg);
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lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
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lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
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if (pipe == 1)
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if (pipe == 1) {
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lvds |= LVDS_PIPEB_SELECT;
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if (HAS_PCH_CPT(dev))
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else
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lvds |= PORT_TRANS_B_SEL_CPT;
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lvds &= ~LVDS_PIPEB_SELECT;
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else
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lvds |= LVDS_PIPEB_SELECT;
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} else {
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if (HAS_PCH_CPT(dev))
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lvds &= ~PORT_TRANS_SEL_MASK;
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else
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lvds &= ~LVDS_PIPEB_SELECT;
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}
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/* set the corresponsding LVDS_BORDER bit */
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/* set the corresponsding LVDS_BORDER bit */
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lvds |= dev_priv->lvds_border_bits;
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lvds |= dev_priv->lvds_border_bits;
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/* Set the B0-B3 data pairs corresponding to whether we're going to
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/* Set the B0-B3 data pairs corresponding to whether we're going to
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