drm/i915: use 120MHz refclk in PCH eDP case too
CPU eDP needs a different reference clock than PCH eDP, which uses the
standard PCH refclk of 120MHz.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d7d5900..5f00632 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3625,7 +3625,8 @@
refclk / 1000);
} else if (!IS_GEN2(dev)) {
refclk = 96000;
- if (HAS_PCH_SPLIT(dev))
+ if (HAS_PCH_SPLIT(dev) &&
+ (!has_edp_encoder || intel_encoder_is_pch_edp(&has_edp_encoder->base)))
refclk = 120000; /* 120Mhz refclk */
} else {
refclk = 48000;