i915: Modify for pineview clock source

Commit Message

Bryan Freed Dec. 14, 2010, 7:40 p.m. UTC

None

Patch

Index: drivers/gpu/drm/i915/intel_bios.c
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 943bbad066af79d6fc62891014f15479213aa34e..e2f3629b46a028077aee214bbc323a1b3ca9ca8f 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -506,6 +506,14 @@  init_vbt_defaults(struct drm_i915_private *dev_priv)
 	dev_priv->int_tv_support = 1;
 	dev_priv->int_crt_support = 1;
 
+	if (IS_PINEVIEW(dev_priv->dev)) {
+		/* On Pineview flip default to use SSC (VBT can override) */
+		dev_priv->lvds_use_ssc = 1;
+		/* The ssc pin gets 100MHz downspread from timing gen */
+		dev_priv->lvds_ssc_freq = 100;
+	} else {
+		dev_priv->lvds_use_ssc = 0;
+	}
 	/* Set the Panel Power On/Off timings if uninitialized. */
 	if ((I915_READ(PP_ON_DELAYS) == 0) && (I915_READ(PP_OFF_DELAYS) == 0)) {
 		/* Set T2 to 40ms and T5 to 200ms */