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Commit d6d95268 authored by Adam Jackson's avatar Adam Jackson Committed by Eric Anholt
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drm/i915/pch: Set transcoder sync polarity for DP based on actual mode 



Signed-off-by: default avatarAdam Jackson <ajax@redhat.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent cb0953d7

drivers/gpu/drm/i915/intel_display.c

+6 −3
Original line number Original line Diff line number Diff line
@@ -1998,9 +1998,12 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc, int mode) 
				reg = I915_READ(trans_dp_ctl);

				reg = I915_READ(trans_dp_ctl);

				reg &= ~TRANS_DP_PORT_SEL_MASK;

				reg &= ~TRANS_DP_PORT_SEL_MASK;

				reg = TRANS_DP_OUTPUT_ENABLE |

				reg = TRANS_DP_OUTPUT_ENABLE |

				      TRANS_DP_ENH_FRAMING |

				      TRANS_DP_ENH_FRAMING;

				      TRANS_DP_VSYNC_ACTIVE_HIGH |



				      TRANS_DP_HSYNC_ACTIVE_HIGH;

				if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC)

				      reg |= TRANS_DP_HSYNC_ACTIVE_HIGH;

				if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC)

				      reg |= TRANS_DP_VSYNC_ACTIVE_HIGH;





				switch (intel_trans_dp_port_sel(crtc)) {

				switch (intel_trans_dp_port_sel(crtc)) {

				case PCH_DP_B:

				case PCH_DP_B: