drm/i915/hdmi: Set sync polarity based on actual mode
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 83bd764..197887e 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -54,10 +54,11 @@
struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
u32 sdvox;
- sdvox = SDVO_ENCODING_HDMI |
- SDVO_BORDER_ENABLE |
- SDVO_VSYNC_ACTIVE_HIGH |
- SDVO_HSYNC_ACTIVE_HIGH;
+ sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
+ sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
+ if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
+ sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
if (hdmi_priv->has_hdmi_sink) {
sdvox |= SDVO_AUDIO_ENABLE;