Signed-off-by: Adam Jackson <[email protected]>
---
drivers/gpu/drm/i915/intel_display.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index b1b742b..889f4ed 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1983,9 +1983,12 @@ static void ironlake_crtc_dpms(struct drm_crtc *crtc,
int mode)
reg = I915_READ(trans_dp_ctl);
reg &= ~TRANS_DP_PORT_SEL_MASK;
reg = TRANS_DP_OUTPUT_ENABLE |
- TRANS_DP_ENH_FRAMING |
- TRANS_DP_VSYNC_ACTIVE_HIGH |
- TRANS_DP_HSYNC_ACTIVE_HIGH;
+ TRANS_DP_ENH_FRAMING;
+
+ 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)) {
case PCH_DP_B:
--
1.7.1.1
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