drm/i915/sdvo: 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_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 76993ac..8b2bfc0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1237,9 +1237,11 @@
/* Set the SDVO control regs. */
if (IS_I965G(dev)) {
- sdvox |= SDVO_BORDER_ENABLE |
- SDVO_VSYNC_ACTIVE_HIGH |
- SDVO_HSYNC_ACTIVE_HIGH;
+ sdvox |= 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;
} else {
sdvox |= I915_READ(sdvo_priv->sdvo_reg);
switch (sdvo_priv->sdvo_reg) {