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authorPaulo Zanoni <paulo.r.zanoni@intel.com>2012-10-23 18:30:05 -0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-10-26 10:24:50 +0200
commitb8fc2f6a18052194c486b407765a4f5e4dca692d (patch)
tree1a1db94b0ffb90cd25d65ae8e419acbd6673e8c7 /drivers/gpu/drm/i915/intel_ddi.c
parente6f0bfc4fb963da9e945ebc6330db9a4d756ba78 (diff)
drm/i915: set the correct eDP aux channel clock divider on DDI
The cdclk frequency is not always the same, so the value here should be adjusted to match it. Version 2: call intel_ddi_get_cdclk_freq instead of reading CDCLK_FREQ, because the register is just for earlier HW steppings. Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 7ea373ffe7a..8d49a964cb2 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1239,7 +1239,7 @@ void intel_disable_ddi(struct intel_encoder *encoder)
/* This will be needed in the future, so leave it here for now */
}
-static int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
+int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
{
if (I915_READ(HSW_FUSE_STRAP) & HSW_CDCLK_LIMIT)
return 450;