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>
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@ -775,7 +775,7 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
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if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
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if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
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intel_dp->DP |= DP_PIPEB_SELECT;
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intel_dp->DP |= DP_PIPEB_SELECT;
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if (is_edp(intel_dp)) {
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if (is_edp(intel_dp) && !is_pch_edp(intel_dp)) {
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/* don't miss out required setting for eDP */
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/* don't miss out required setting for eDP */
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intel_dp->DP |= DP_PLL_ENABLE;
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intel_dp->DP |= DP_PLL_ENABLE;
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if (adjusted_mode->clock < 200000)
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if (adjusted_mode->clock < 200000)
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