[Intel-gfx] [PATCH 18/20] drm/i915/dp: don't bother with DP PLL for PCH attached eDP

[Jesse Barnes]

We don't use the CPU DP PLL with PCH attached eDP panels, so don't
bother to enable it.

Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
---
 drivers/gpu/drm/i915/intel_dp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index fa24d94..19e0d65 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -775,7 +775,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
 		intel_dp->DP |= DP_PIPEB_SELECT;
 
-	if (is_edp(intel_dp)) {
+	if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) {
 		/* don't miss out required setting for eDP */
 		intel_dp->DP |= DP_PLL_ENABLE;
 		if (adjusted_mode->clock < 200000)
-- 
1.7.0.4