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drm/i915/dp: don't bother with DP PLL for PCH attached eDP 

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@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Jesse Barnes 2010-10-07 16:01:23 -07:00 committed by Chris Wilson
parent 869184a675
commit 895692befa
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_dp.c
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@ -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)