提交 d567b07f 编写于 作者: P Paulo Zanoni 提交者: Daniel Vetter

drm/i915: fix intel_ddi_get_cdclk_freq for ULT machines

For now, this code is just used by the eDP AUX channel frequency.
Signed-off-by: NPaulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: NDamien Lespiau <damien.lespiau@intel.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
上级 54075a7d
......@@ -1161,6 +1161,8 @@ struct drm_i915_file_private {
#define IS_VALLEYVIEW(dev) (INTEL_INFO(dev)->is_valleyview)
#define IS_HASWELL(dev) (INTEL_INFO(dev)->is_haswell)
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_ULT(dev) (IS_HASWELL(dev) && \
((dev)->pci_device & 0xFF00) == 0x0A00)
/*
* The genX designation typically refers to the render engine, so render
......
......@@ -1309,6 +1309,8 @@ int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv)
else if ((I915_READ(LCPLL_CTL) & LCPLL_CLK_FREQ_MASK) ==
LCPLL_CLK_FREQ_450)
return 450;
else if (IS_ULT(dev_priv->dev))
return 338;
else
return 540;
}
......
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