drm/i915/pch: Set transcoder sync polarity for DP based on actual mode
Signed-off-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -1998,9 +1998,12 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode)
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reg = I915_READ(trans_dp_ctl);
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reg &= ~TRANS_DP_PORT_SEL_MASK;
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reg = TRANS_DP_OUTPUT_ENABLE |
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TRANS_DP_ENH_FRAMING |
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TRANS_DP_VSYNC_ACTIVE_HIGH |
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TRANS_DP_HSYNC_ACTIVE_HIGH;
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TRANS_DP_ENH_FRAMING;
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if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)
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reg |= TRANS_DP_HSYNC_ACTIVE_HIGH;
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if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)
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reg |= TRANS_DP_VSYNC_ACTIVE_HIGH;
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switch (intel_trans_dp_port_sel(crtc)) {
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case PCH_DP_B:
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